]> sigrok.org Git - sigrok-cli.git/commitdiff
Refactor main source into separate files
authorBert Vermeulen <redacted>
Sun, 17 Nov 2013 12:15:38 +0000 (13:15 +0100)
committerBert Vermeulen <redacted>
Sun, 17 Nov 2013 14:39:15 +0000 (15:39 +0100)
Makefile.am
decode.c [new file with mode: 0644]
device.c [new file with mode: 0644]
input.c [new file with mode: 0644]
main.c [new file with mode: 0644]
parsers.c
session.c [new file with mode: 0644]
show.c [new file with mode: 0644]
sigrok-cli.c [deleted file]
sigrok-cli.h

index 253475039148606046066b4d51aa5876a2fe5a43..f273aef194e24d546e7ffe807b54be72e7e3a1f0 100644 (file)
@@ -1,7 +1,7 @@
 ##
 ## This file is part of the sigrok-cli project.
 ##
-## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
+## Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
 ##
 ## This program is free software: you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
@@ -23,7 +23,16 @@ SUBDIRS = contrib doc
 
 bin_PROGRAMS = sigrok-cli
 
-sigrok_cli_SOURCES = sigrok-cli.c sigrok-cli.h parsers.c anykey.c
+sigrok_cli_SOURCES = \
+       main.c \
+       show.c \
+       device.c \
+       session.c \
+       input.c \
+       decode.c \
+       sigrok-cli.h \
+       parsers.c \
+       anykey.c
 
 MAINTAINERCLEANFILES = ChangeLog
 
diff --git a/decode.c b/decode.c
new file mode 100644 (file)
index 0000000..19112a9
--- /dev/null
+++ b/decode.c
@@ -0,0 +1,463 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#ifdef HAVE_SRD
+#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#endif
+#include "sigrok-cli.h"
+
+#ifdef HAVE_SRD
+static GHashTable *pd_ann_visible = NULL;
+static GHashTable *pd_meta_visible = NULL;
+static GHashTable *pd_binary_visible = NULL;
+
+extern struct srd_session *srd_sess;
+extern gint opt_loglevel;
+extern gchar *opt_pds;
+extern gchar *opt_pd_stack;
+extern gchar *opt_pd_annotations;
+extern gchar *opt_pd_meta;
+extern gchar *opt_pd_binary;
+
+
+static int opts_to_gvar(struct srd_decoder *dec, GHashTable *hash,
+               GHashTable **options)
+{
+       struct srd_decoder_option *o;
+       GSList *optl;
+       GVariant *gvar;
+       gint64 val_int;
+       int ret;
+       char *val_str, *conv;
+
+       ret = TRUE;
+       *options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+                       (GDestroyNotify)g_variant_unref);
+
+       for (optl = dec->options; optl; optl = optl->next) {
+               o = optl->data;
+               if (!(val_str = g_hash_table_lookup(hash, o->id)))
+                       /* Not specified. */
+                       continue;
+               if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_STRING)) {
+                       gvar = g_variant_new_string(val_str);
+               } else if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_INT64)) {
+                       val_int = strtoll(val_str, &conv, 0);
+                       if (!conv || conv == val_str) {
+                               g_critical("Protocol decoder '%s' option '%s' "
+                                               "requires a number.", dec->name, o->id);
+                               ret = FALSE;
+                               break;
+                       }
+                       gvar = g_variant_new_int64(val_int);
+               } else {
+                       g_critical("Unsupported type for option '%s' (%s)",
+                                       o->id, g_variant_get_type_string(o->def));
+                       ret = FALSE;
+                       break;
+               }
+               g_variant_ref_sink(gvar);
+               g_hash_table_insert(*options, g_strdup(o->id), gvar);
+               g_hash_table_remove(hash, o->id);
+       }
+
+       return ret;
+}
+
+static int probes_to_gvar(struct srd_decoder *dec, GHashTable *hash,
+               GHashTable **probes)
+{
+       struct srd_probe *p;
+       GSList *all_probes, *l;
+       GVariant *gvar;
+       gint32 val_int;
+       int ret;
+       char *val_str, *conv;
+
+       ret = TRUE;
+       *probes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+                       (GDestroyNotify)g_variant_unref);
+
+       all_probes = g_slist_copy(dec->probes);
+       all_probes = g_slist_concat(all_probes, g_slist_copy(dec->opt_probes));
+       for (l = all_probes; l; l = l->next) {
+               p = l->data;
+               if (!(val_str = g_hash_table_lookup(hash, p->id)))
+                       /* Not specified. */
+                       continue;
+               val_int = strtoll(val_str, &conv, 10);
+               if (!conv || conv == val_str) {
+                       g_critical("Protocol decoder '%s' probes '%s' "
+                                       "is not a number.", dec->name, p->id);
+                       ret = FALSE;
+                       break;
+               }
+               gvar = g_variant_new_int32(val_int);
+               g_variant_ref_sink(gvar);
+               g_hash_table_insert(*probes, g_strdup(p->id), gvar);
+               g_hash_table_remove(hash, p->id);
+       }
+       g_slist_free(all_probes);
+
+       return ret;
+}
+
+/* Register the given PDs for this session.
+ * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
+ * That will instantiate two SPI decoders on the clock but different data
+ * lines.
+ */
+int register_pds(const char *pdstring)
+{
+       struct srd_decoder *dec;
+       GHashTable *pd_opthash, *options, *probes;
+       GList *leftover, *l;
+       struct srd_decoder_inst *di;
+       int ret;
+       char **pdtokens, **pdtok, *pd_name;
+
+       pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
+                       g_free, NULL);
+       ret = 0;
+       pd_name = NULL;
+       pd_opthash = options = probes = NULL;
+       pdtokens = g_strsplit(pdstring, ",", 0);
+       for (pdtok = pdtokens; *pdtok; pdtok++) {
+               if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
+                       g_critical("Invalid protocol decoder option '%s'.", *pdtok);
+                       break;
+               }
+
+               pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
+               g_hash_table_remove(pd_opthash, "sigrok_key");
+               if (srd_decoder_load(pd_name) != SRD_OK) {
+                       g_critical("Failed to load protocol decoder %s.", pd_name);
+                       ret = 1;
+                       break;
+               }
+               dec = srd_decoder_get_by_id(pd_name);
+
+               /* Convert decoder option and probe values to GVariant. */
+               if (!opts_to_gvar(dec, pd_opthash, &options)) {
+                       ret = 1;
+                       break;
+               }
+               if (!probes_to_gvar(dec, pd_opthash, &probes)) {
+                       ret = 1;
+                       break;
+               }
+               if (g_hash_table_size(pd_opthash) > 0) {
+                       leftover = g_hash_table_get_keys(pd_opthash);
+                       for (l = leftover; l; l = l->next)
+                               g_critical("Unknown option or probe '%s'", (char *)l->data);
+                       g_list_free(leftover);
+                       break;
+               }
+
+               if (!(di = srd_inst_new(srd_sess, pd_name, options))) {
+                       g_critical("Failed to instantiate protocol decoder %s.", pd_name);
+                       ret = 1;
+                       break;
+               }
+
+               /* If no annotation list was specified, add them all in now.
+                * This will be pared down later to leave only the last PD
+                * in the stack.
+                */
+               if (!opt_pd_annotations)
+                       g_hash_table_insert(pd_ann_visible,
+                                           g_strdup(di->inst_id), GINT_TO_POINTER(-1));
+
+               /* Remap the probes if needed. */
+               if (srd_inst_probe_set_all(di, probes) != SRD_OK) {
+                       ret = 1;
+                       break;
+               }
+       }
+
+       g_strfreev(pdtokens);
+       if (pd_opthash)
+               g_hash_table_destroy(pd_opthash);
+       if (options)
+               g_hash_table_destroy(options);
+       if (probes)
+               g_hash_table_destroy(probes);
+       if (pd_name)
+               g_free(pd_name);
+
+       return ret;
+}
+
+int setup_pd_stack(void)
+{
+       struct srd_decoder_inst *di_from, *di_to;
+       int ret, i;
+       char **pds, **ids;
+
+       /* Set up the protocol decoder stack. */
+       pds = g_strsplit(opt_pds, ",", 0);
+       if (g_strv_length(pds) > 1) {
+               if (opt_pd_stack) {
+                       /* A stack setup was specified, use that. */
+                       g_strfreev(pds);
+                       pds = g_strsplit(opt_pd_stack, ",", 0);
+                       if (g_strv_length(pds) < 2) {
+                               g_strfreev(pds);
+                               g_critical("Specify at least two protocol decoders to stack.");
+                               return 1;
+                       }
+               }
+
+               /* First PD goes at the bottom of the stack. */
+               ids = g_strsplit(pds[0], ":", 0);
+               if (!(di_from = srd_inst_find_by_id(srd_sess, ids[0]))) {
+                       g_strfreev(ids);
+                       g_critical("Cannot stack protocol decoder '%s': "
+                                       "instance not found.", pds[0]);
+                       return 1;
+               }
+               g_strfreev(ids);
+
+               /* Every subsequent PD goes on top. */
+               for (i = 1; pds[i]; i++) {
+                       ids = g_strsplit(pds[i], ":", 0);
+                       if (!(di_to = srd_inst_find_by_id(srd_sess, ids[0]))) {
+                               g_strfreev(ids);
+                               g_critical("Cannot stack protocol decoder '%s': "
+                                               "instance not found.", pds[i]);
+                               return 1;
+                       }
+                       g_strfreev(ids);
+                       if ((ret = srd_inst_stack(srd_sess, di_from, di_to)) != SRD_OK)
+                               return 1;
+
+                       /* Don't show annotation from this PD. Only the last PD in
+                        * the stack will be left on the annotation list (unless
+                        * the annotation list was specifically provided).
+                        */
+                       if (!opt_pd_annotations)
+                               g_hash_table_remove(pd_ann_visible,
+                                                   di_from->inst_id);
+
+                       di_from = di_to;
+               }
+       }
+       g_strfreev(pds);
+
+       return 0;
+}
+
+int setup_pd_annotations(void)
+{
+       GSList *l;
+       struct srd_decoder *dec;
+       int ann_class;
+       char **pds, **pdtok, **keyval, **ann_descr;
+
+       /* Set up custom list of PDs and annotations to show. */
+       pds = g_strsplit(opt_pd_annotations, ",", 0);
+       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
+               keyval = g_strsplit(*pdtok, "=", 0);
+               if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
+                       g_critical("Protocol decoder '%s' not found.", keyval[0]);
+                       return 1;
+               }
+               if (!dec->annotations) {
+                       g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
+                       return 1;
+               }
+               ann_class = 0;
+               if (g_strv_length(keyval) == 2) {
+                       for (l = dec->annotations; l; l = l->next, ann_class++) {
+                               ann_descr = l->data;
+                               if (!canon_cmp(ann_descr[0], keyval[1]))
+                                       /* Found it. */
+                                       break;
+                       }
+                       if (!l) {
+                               g_critical("Annotation '%s' not found "
+                                               "for protocol decoder '%s'.", keyval[1], keyval[0]);
+                               return 1;
+                       }
+                       g_debug("cli: Showing protocol decoder %s annotation "
+                                       "class %d (%s).", keyval[0], ann_class, ann_descr[0]);
+               } else {
+                       /* No class specified: show all of them. */
+                       ann_class = -1;
+                       g_debug("cli: Showing all annotation classes for protocol "
+                                       "decoder %s.", keyval[0]);
+               }
+               g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann_class));
+               g_strfreev(keyval);
+       }
+       g_strfreev(pds);
+
+       return 0;
+}
+
+int setup_pd_meta(void)
+{
+       struct srd_decoder *dec;
+       char **pds, **pdtok;
+
+       pd_meta_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
+                       g_free, NULL);
+       pds = g_strsplit(opt_pd_meta, ",", 0);
+       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
+               if (!(dec = srd_decoder_get_by_id(*pdtok))) {
+                       g_critical("Protocol decoder '%s' not found.", *pdtok);
+                       return 1;
+               }
+               g_debug("cli: Showing protocol decoder meta output from '%s'.", *pdtok);
+               g_hash_table_insert(pd_meta_visible, g_strdup(*pdtok), NULL);
+       }
+       g_strfreev(pds);
+
+       return 0;
+}
+
+int setup_pd_binary(void)
+{
+       GSList *l;
+       struct srd_decoder *dec;
+       int bin_class;
+       char **pds, **pdtok, **keyval, *bin_name;
+
+       pd_binary_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
+                       g_free, NULL);
+       pds = g_strsplit(opt_pd_binary, ",", 0);
+       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
+               keyval = g_strsplit(*pdtok, "=", 0);
+               if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
+                       g_critical("Protocol decoder '%s' not found.", keyval[0]);
+                       return 1;
+               }
+               if (!dec->binary) {
+                       g_critical("Protocol decoder '%s' has no binary output.", keyval[0]);
+                       return 1;
+               }
+               bin_class = 0;
+               if (g_strv_length(keyval) == 2) {
+                       for (l = dec->binary; l; l = l->next, bin_class++) {
+                               bin_name = l->data;
+                               if (!canon_cmp(bin_name, keyval[1]))
+                                       /* Found it. */
+                                       break;
+                       }
+                       if (!l) {
+                               g_critical("binary output '%s' not found "
+                                               "for protocol decoder '%s'.", keyval[1], keyval[0]);
+                               return 1;
+                       }
+                       g_debug("cli: Showing protocol decoder %s binary class "
+                                       "%d (%s).", keyval[0], bin_class, bin_name);
+               } else {
+                       /* No class specified: output all of them. */
+                       bin_class = -1;
+                       g_debug("cli: Showing all binary classes for protocol "
+                                       "decoder %s.", keyval[0]);
+               }
+               g_hash_table_insert(pd_binary_visible, g_strdup(keyval[0]), GINT_TO_POINTER(bin_class));
+               g_strfreev(keyval);
+       }
+       g_strfreev(pds);
+
+       return 0;
+}
+
+void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
+{
+       struct srd_proto_data_annotation *pda;
+       gpointer ann_format;
+       int format;
+
+       /* 'cb_data' is not used in this specific callback. */
+       (void)cb_data;
+
+       if (!pd_ann_visible)
+               return;
+
+       if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
+                       NULL, &ann_format))
+               /* Not in the list of PDs whose annotations we're showing. */
+               return;
+
+       format = GPOINTER_TO_INT(ann_format);
+       pda = pdata->data;
+       if (format != -1 && pda->ann_format != format)
+               /* We don't want this particular format from the PD. */
+               return;
+
+       if (opt_loglevel > SR_LOG_WARN)
+               printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
+       printf("%s: ", pdata->pdo->proto_id);
+       /* Show only the longest annotation. */
+       printf("\"%s\" ", pda->ann_text[0]);
+       printf("\n");
+       fflush(stdout);
+}
+
+void show_pd_meta(struct srd_proto_data *pdata, void *cb_data)
+{
+
+       /* 'cb_data' is not used in this specific callback. */
+       (void)cb_data;
+
+       if (!g_hash_table_lookup_extended(pd_meta_visible,
+                       pdata->pdo->di->decoder->id, NULL, NULL))
+               /* Not in the list of PDs whose meta output we're showing. */
+               return;
+
+       if (opt_loglevel > SR_LOG_WARN)
+               printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
+       printf("%s: ", pdata->pdo->proto_id);
+       printf("%s: %s", pdata->pdo->meta_name, g_variant_print(pdata->data, FALSE));
+       printf("\n");
+       fflush(stdout);
+}
+
+void show_pd_binary(struct srd_proto_data *pdata, void *cb_data)
+{
+       struct srd_proto_data_binary *pdb;
+       gpointer classp;
+       int class;
+
+       /* 'cb_data' is not used in this specific callback. */
+       (void)cb_data;
+
+       if (!g_hash_table_lookup_extended(pd_binary_visible,
+                       pdata->pdo->di->decoder->id, NULL, (void **)&classp))
+               /* Not in the list of PDs whose meta output we're showing. */
+               return;
+
+       class = GPOINTER_TO_INT(classp);
+       pdb = pdata->data;
+       if (class != -1 && class != pdb->bin_class)
+               /* Not showing this binary class. */
+               return;
+
+       /* Just send the binary output to stdout, no embellishments. */
+       fwrite(pdb->data, pdb->size, 1, stdout);
+       fflush(stdout);
+}
+#endif
+
diff --git a/device.c b/device.c
new file mode 100644 (file)
index 0000000..2dc8308
--- /dev/null
+++ b/device.c
@@ -0,0 +1,147 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "sigrok-cli.h"
+
+extern struct sr_context *sr_ctx;
+extern gchar *opt_drv;
+extern gchar *opt_probe_group;
+
+/* Convert driver options hash to GSList of struct sr_config. */
+static GSList *hash_to_hwopt(GHashTable *hash)
+{
+       const struct sr_config_info *srci;
+       struct sr_config *src;
+       GList *gl, *keys;
+       GSList *opts;
+       char *key, *value;
+
+       keys = g_hash_table_get_keys(hash);
+       opts = NULL;
+       for (gl = keys; gl; gl = gl->next) {
+               key = gl->data;
+               if (!(srci = sr_config_info_name_get(key))) {
+                       g_critical("Unknown option %s", key);
+                       return NULL;
+               }
+               src = g_try_malloc(sizeof(struct sr_config));
+               src->key = srci->key;
+               value = g_hash_table_lookup(hash, key);
+               src->data = g_variant_new_string(value);
+               opts = g_slist_append(opts, src);
+       }
+       g_list_free(keys);
+
+       return opts;
+}
+
+static void free_drvopts(struct sr_config *src)
+{
+       g_variant_unref(src->data);
+       g_free(src);
+}
+
+GSList *device_scan(void)
+{
+       struct sr_dev_driver **drivers, *driver;
+       GHashTable *drvargs;
+       GSList *drvopts, *devices, *tmpdevs, *l;
+       int i;
+       char *drvname;
+
+       if (opt_drv) {
+               drvargs = parse_generic_arg(opt_drv, TRUE);
+               drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
+               g_hash_table_remove(drvargs, "sigrok_key");
+               driver = NULL;
+               drivers = sr_driver_list();
+               for (i = 0; drivers[i]; i++) {
+                       if (strcmp(drivers[i]->name, drvname))
+                               continue;
+                       driver = drivers[i];
+               }
+               if (!driver) {
+                       g_critical("Driver %s not found.", drvname);
+                       g_hash_table_destroy(drvargs);
+                       g_free(drvname);
+                       return NULL;
+               }
+               g_free(drvname);
+               if (sr_driver_init(sr_ctx, driver) != SR_OK) {
+                       g_critical("Failed to initialize driver.");
+                       g_hash_table_destroy(drvargs);
+                       return NULL;
+               }
+               drvopts = NULL;
+               if (g_hash_table_size(drvargs) > 0) {
+                       if (!(drvopts = hash_to_hwopt(drvargs))) {
+                               /* Unknown options, already logged. */
+                               g_hash_table_destroy(drvargs);
+                               return NULL;
+                       }
+               }
+               g_hash_table_destroy(drvargs);
+               devices = sr_driver_scan(driver, drvopts);
+               g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
+       } else {
+               /* No driver specified, let them all scan on their own. */
+               devices = NULL;
+               drivers = sr_driver_list();
+               for (i = 0; drivers[i]; i++) {
+                       driver = drivers[i];
+                       if (sr_driver_init(sr_ctx, driver) != SR_OK) {
+                               g_critical("Failed to initialize driver.");
+                               return NULL;
+                       }
+                       tmpdevs = sr_driver_scan(driver, NULL);
+                       for (l = tmpdevs; l; l = l->next)
+                               devices = g_slist_append(devices, l->data);
+                       g_slist_free(tmpdevs);
+               }
+       }
+
+       return devices;
+}
+
+struct sr_probe_group *select_probe_group(struct sr_dev_inst *sdi)
+{
+       struct sr_probe_group *pg;
+       GSList *l;
+
+       if (!opt_probe_group)
+               return NULL;
+
+       if (!sdi->probe_groups) {
+               g_critical("This device does not have any probe groups.");
+               return NULL;
+       }
+
+       for (l = sdi->probe_groups; l; l = l->next) {
+               pg = l->data;
+               if (!strcasecmp(opt_probe_group, pg->name)) {
+                       return pg;
+               }
+       }
+
+       return NULL;
+}
+
diff --git a/input.c b/input.c
new file mode 100644 (file)
index 0000000..7ef694d
--- /dev/null
+++ b/input.c
@@ -0,0 +1,165 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "sigrok-cli.h"
+
+extern gchar *opt_input_file;
+extern gchar *opt_input_format;
+extern gchar *opt_probes;
+
+
+/**
+ * Return the input file format which the CLI tool should use.
+ *
+ * If the user specified -I / --input-format, use that one. Otherwise, try to
+ * autodetect the format as good as possible. Failing that, return NULL.
+ *
+ * @param filename The filename of the input file. Must not be NULL.
+ * @param opt The -I / --input-file option the user specified (or NULL).
+ *
+ * @return A pointer to the 'struct sr_input_format' that should be used,
+ *         or NULL if no input format was selected or auto-detected.
+ */
+static struct sr_input_format *determine_input_file_format(
+                       const char *filename, const char *opt)
+{
+       int i;
+       struct sr_input_format **inputs;
+
+       /* If there are no input formats, return NULL right away. */
+       inputs = sr_input_list();
+       if (!inputs) {
+               g_critical("No supported input formats available.");
+               return NULL;
+       }
+
+       /* If the user specified -I / --input-format, use that one. */
+       if (opt) {
+               for (i = 0; inputs[i]; i++) {
+                       if (strcasecmp(inputs[i]->id, opt))
+                               continue;
+                       g_debug("Using user-specified input file format '%s'.",
+                                       inputs[i]->id);
+                       return inputs[i];
+               }
+
+               /* The user specified an unknown input format, return NULL. */
+               g_critical("Error: specified input file format '%s' is "
+                       "unknown.", opt);
+               return NULL;
+       }
+
+       /* Otherwise, try to find an input module that can handle this file. */
+       for (i = 0; inputs[i]; i++) {
+               if (inputs[i]->format_match(filename))
+                       break;
+       }
+
+       /* Return NULL if no input module wanted to touch this. */
+       if (!inputs[i]) {
+               g_critical("Error: no matching input module found.");
+               return NULL;
+       }
+
+       g_debug("cli: Autodetected '%s' input format for file '%s'.",
+               inputs[i]->id, filename);
+
+       return inputs[i];
+}
+
+static void load_input_file_format(void)
+{
+       GHashTable *fmtargs = NULL;
+       struct stat st;
+       struct sr_input *in;
+       struct sr_input_format *input_format;
+       char *fmtspec = NULL;
+
+       if (opt_input_format) {
+               fmtargs = parse_generic_arg(opt_input_format, TRUE);
+               fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
+       }
+
+       if (!(input_format = determine_input_file_format(opt_input_file,
+                                                  fmtspec))) {
+               /* The exact cause was already logged. */
+               return;
+       }
+
+       if (fmtargs)
+               g_hash_table_remove(fmtargs, "sigrok_key");
+
+       if (stat(opt_input_file, &st) == -1) {
+               g_critical("Failed to load %s: %s", opt_input_file,
+                       strerror(errno));
+               exit(1);
+       }
+
+       /* Initialize the input module. */
+       if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
+               g_critical("Failed to allocate input module.");
+               exit(1);
+       }
+       in->format = input_format;
+       in->param = fmtargs;
+       if (in->format->init) {
+               if (in->format->init(in, opt_input_file) != SR_OK) {
+                       g_critical("Input format init failed.");
+                       exit(1);
+               }
+       }
+
+       if (select_probes(in->sdi) > 0)
+               return;
+
+       sr_session_new();
+       sr_session_datafeed_callback_add(datafeed_in, NULL);
+       if (sr_session_dev_add(in->sdi) != SR_OK) {
+               g_critical("Failed to use device.");
+               sr_session_destroy();
+               return;
+       }
+
+       input_format->loadfile(in, opt_input_file);
+
+       sr_session_destroy();
+
+       if (fmtargs)
+               g_hash_table_destroy(fmtargs);
+}
+
+void load_input_file(void)
+{
+
+       if (sr_session_load(opt_input_file) == SR_OK) {
+               /* sigrok session file */
+               sr_session_datafeed_callback_add(datafeed_in, NULL);
+               sr_session_start();
+               sr_session_run();
+               sr_session_stop();
+       }
+       else {
+               /* fall back on input modules */
+               load_input_file_format();
+       }
+}
+
diff --git a/main.c b/main.c
new file mode 100644 (file)
index 0000000..50826a5
--- /dev/null
+++ b/main.c
@@ -0,0 +1,297 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#ifdef HAVE_SRD
+#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#endif
+#include "sigrok-cli.h"
+
+struct sr_context *sr_ctx = NULL;
+#ifdef HAVE_SRD
+struct srd_session *srd_sess = NULL;
+#endif
+
+static gboolean opt_version = FALSE;
+gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings by default. */
+static gboolean opt_scan_devs = FALSE;
+gboolean opt_wait_trigger = FALSE;
+gchar *opt_input_file = NULL;
+gchar *opt_output_file = NULL;
+gchar *opt_drv = NULL;
+gchar *opt_config = NULL;
+static gchar *opt_probes = NULL;
+gchar *opt_probe_group = NULL;
+gchar *opt_triggers = NULL;
+gchar *opt_pds = NULL;
+#ifdef HAVE_SRD
+gchar *opt_pd_stack = NULL;
+gchar *opt_pd_annotations = NULL;
+gchar *opt_pd_meta = NULL;
+gchar *opt_pd_binary = NULL;
+#endif
+gchar *opt_input_format = NULL;
+gchar *opt_output_format = NULL;
+static gchar *opt_show = NULL;
+gchar *opt_time = NULL;
+gchar *opt_samples = NULL;
+gchar *opt_frames = NULL;
+gchar *opt_continuous = NULL;
+static gchar *opt_set = NULL;
+
+static GOptionEntry optargs[] = {
+       {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
+                       "Show version and support list", NULL},
+       {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
+                       "Set loglevel (5 is most verbose)", NULL},
+       {"driver", 'd', 0, G_OPTION_ARG_STRING, &opt_drv,
+                       "The driver to use", NULL},
+       {"config", 'c', 0, G_OPTION_ARG_STRING, &opt_config,
+                       "Specify device configuration options", NULL},
+       {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
+                       "Load input from file", NULL},
+       {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
+                       "Input format", NULL},
+       {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
+                       "Save output to file", NULL},
+       {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
+                       "Output format", NULL},
+       {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
+                       "Probes to use", NULL},
+       {"probe-group", 'g', 0, G_OPTION_ARG_STRING, &opt_probe_group,
+                       "Probe groups", NULL},
+       {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
+                       "Trigger configuration", NULL},
+       {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
+                       "Wait for trigger", NULL},
+#ifdef HAVE_SRD
+       {"protocol-decoders", 'P', 0, G_OPTION_ARG_STRING, &opt_pds,
+                       "Protocol decoders to run", NULL},
+       {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
+                       "Protocol decoder stack", NULL},
+       {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
+                       "Protocol decoder annotation(s) to show", NULL},
+       {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_STRING, &opt_pd_meta,
+                       "Protocol decoder meta output to show", NULL},
+       {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_STRING, &opt_pd_binary,
+                       "Protocol decoder binary output to show", NULL},
+#endif
+       {"scan", 0, 0, G_OPTION_ARG_NONE, &opt_scan_devs,
+                       "Scan for devices", NULL},
+       {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
+                       "Show device detail", NULL},
+       {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
+                       "How long to sample (ms)", NULL},
+       {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
+                       "Number of samples to acquire", NULL},
+       {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
+                       "Number of frames to acquire", NULL},
+       {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
+                       "Sample continuously", NULL},
+       {"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL},
+       {NULL, 0, 0, 0, NULL, NULL, NULL}
+};
+
+
+static void logger(const gchar *log_domain, GLogLevelFlags log_level,
+                  const gchar *message, gpointer cb_data)
+{
+       (void)log_domain;
+       (void)cb_data;
+
+       /*
+        * All messages, warnings, errors etc. go to stderr (not stdout) in
+        * order to not mess up the CLI tool data output, e.g. VCD output.
+        */
+       if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
+                       || opt_loglevel > SR_LOG_WARN) {
+               fprintf(stderr, "%s\n", message);
+               fflush(stderr);
+       }
+
+       if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
+               exit(1);
+
+}
+
+int select_probes(struct sr_dev_inst *sdi)
+{
+       struct sr_probe *probe;
+       GSList *selected_probes, *l;
+
+       if (!opt_probes)
+               return SR_OK;
+
+       if (!(selected_probes = parse_probestring(sdi, opt_probes)))
+               return SR_ERR;
+
+       for (l = sdi->probes; l; l = l->next) {
+               probe = l->data;
+               if (g_slist_find(selected_probes, probe))
+                       probe->enabled = TRUE;
+               else
+                       probe->enabled = FALSE;
+       }
+       g_slist_free(selected_probes);
+
+       return SR_OK;
+}
+
+static void set_options(void)
+{
+       struct sr_dev_inst *sdi;
+       GSList *devices;
+       GHashTable *devargs;
+
+       if (!opt_config) {
+               g_critical("No setting specified.");
+               return;
+       }
+
+       if (!(devargs = parse_generic_arg(opt_config, FALSE)))
+               return;
+
+       if (!(devices = device_scan())) {
+               g_critical("No devices found.");
+               return;
+       }
+       sdi = devices->data;
+
+       if (sr_dev_open(sdi) != SR_OK) {
+               g_critical("Failed to open device.");
+               return;
+       }
+
+       set_dev_options(sdi, devargs);
+
+       sr_dev_close(sdi);
+       g_slist_free(devices);
+       g_hash_table_destroy(devargs);
+
+}
+
+int main(int argc, char **argv)
+{
+       GOptionContext *context;
+       GError *error;
+       int ret;
+       char *help;
+
+       g_log_set_default_handler(logger, NULL);
+
+       context = g_option_context_new(NULL);
+       g_option_context_add_main_entries(context, optargs, NULL);
+
+       ret = 1;
+       error = NULL;
+       if (!g_option_context_parse(context, &argc, &argv, &error)) {
+               g_critical("%s", error->message);
+               goto done;
+       }
+
+       /* Set the loglevel (amount of messages to output) for libsigrok. */
+       if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
+               goto done;
+
+       if (sr_init(&sr_ctx) != SR_OK)
+               goto done;
+
+#ifdef HAVE_SRD
+       /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
+       if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
+               goto done;
+
+       if (opt_pds) {
+               if (srd_init(NULL) != SRD_OK)
+                       goto done;
+               if (srd_session_new(&srd_sess) != SRD_OK) {
+                       g_critical("Failed to create new decode session.");
+                       goto done;
+               }
+               if (register_pds(opt_pds) != 0)
+                       goto done;
+               if (setup_pd_stack() != 0)
+                       goto done;
+
+               /* Only one output type is ever shown. */
+               if (opt_pd_binary) {
+                       if (setup_pd_binary() != 0)
+                               goto done;
+                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
+                                       show_pd_binary, NULL) != SRD_OK)
+                               goto done;
+               } else if (opt_pd_meta) {
+                       if (setup_pd_meta() != 0)
+                               goto done;
+                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
+                                       show_pd_meta, NULL) != SRD_OK)
+                               goto done;
+               } else {
+                       if (opt_pd_annotations)
+                               if (setup_pd_annotations() != 0)
+                                       goto done;
+                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
+                                       show_pd_annotations, NULL) != SRD_OK)
+                               goto done;
+               }
+       }
+#endif
+
+       if (setup_output_format() != 0)
+               goto done;
+
+       if (opt_version)
+               show_version();
+       else if (opt_scan_devs)
+               show_dev_list();
+#ifdef HAVE_SRD
+       else if (opt_pds && opt_show)
+               show_pd_detail();
+#endif
+       else if (opt_show)
+               show_dev_detail();
+       else if (opt_input_file)
+               load_input_file();
+       else if (opt_set)
+               set_options();
+       else if (opt_samples || opt_time || opt_frames || opt_continuous)
+               run_session();
+       else {
+               help = g_option_context_get_help(context, TRUE, NULL);
+               printf("%s", help);
+               g_free(help);
+       }
+
+#ifdef HAVE_SRD
+       if (opt_pds)
+               srd_exit();
+#endif
+
+       ret = 0;
+
+done:
+       if (sr_ctx)
+               sr_exit(sr_ctx);
+
+       g_option_context_free(context);
+
+       return ret;
+}
index e94041764c36bc5ccf7034a7afe6f16b611aefd7..059d33930d6ce373147dce663e8df91171cdb850 100644 (file)
--- a/parsers.c
+++ b/parsers.c
@@ -25,7 +25,7 @@
 #include <libsigrok/libsigrok.h>
 #include "sigrok-cli.h"
 
-struct sr_probe *find_probe(GSList *probelist, const char *probename)
+static struct sr_probe *find_probe(GSList *probelist, const char *probename)
 {
        struct sr_probe *probe;
        GSList *l;
@@ -183,7 +183,7 @@ GHashTable *parse_generic_arg(const char *arg, gboolean sep_first)
        return hash;
 }
 
-char *strcanon(const char *str)
+static char *strcanon(const char *str)
 {
        int p0, p1;
        char *s;
diff --git a/session.c b/session.c
new file mode 100644 (file)
index 0000000..82fea55
--- /dev/null
+++ b/session.c
@@ -0,0 +1,660 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <libsigrok/libsigrok.h>
+#ifdef HAVE_SRD
+#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#endif
+#include "sigrok-cli.h"
+
+static struct sr_output_format *output_format = NULL;
+static int default_output_format = FALSE;
+static char *output_format_param = NULL;
+static GByteArray *savebuf;
+static uint64_t limit_samples = 0;
+static uint64_t limit_frames = 0;
+
+extern gchar *opt_output_file;
+extern gchar *opt_output_format;
+extern gchar *opt_pds;
+extern gboolean opt_wait_trigger;
+extern gchar *opt_time;
+extern gchar *opt_samples;
+extern gchar *opt_frames;
+extern gchar *opt_continuous;
+extern gchar *opt_config;
+extern gchar *opt_triggers;
+#ifdef HAVE_SRD
+extern struct srd_session *srd_sess;
+#endif
+
+
+static GArray *get_enabled_logic_probes(const struct sr_dev_inst *sdi)
+{
+       struct sr_probe *probe;
+       GArray *probes;
+       GSList *l;
+
+       probes = g_array_new(FALSE, FALSE, sizeof(int));
+       for (l = sdi->probes; l; l = l->next) {
+               probe = l->data;
+               if (probe->type != SR_PROBE_LOGIC)
+                       continue;
+               if (probe->enabled != TRUE)
+                       continue;
+               g_array_append_val(probes, probe->index);
+       }
+
+       return probes;
+}
+
+static int set_limit_time(const struct sr_dev_inst *sdi)
+{
+       GVariant *gvar;
+       uint64_t time_msec;
+       uint64_t samplerate;
+
+       if (!(time_msec = sr_parse_timestring(opt_time))) {
+               g_critical("Invalid time '%s'", opt_time);
+               return SR_ERR;
+       }
+
+       if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
+               gvar = g_variant_new_uint64(time_msec);
+               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
+                       g_critical("Failed to configure time limit.");
+                       return SR_ERR;
+               }
+       } else if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
+               /* Convert to samples based on the samplerate.  */
+               sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
+               samplerate = g_variant_get_uint64(gvar);
+               g_variant_unref(gvar);
+               limit_samples = (samplerate) * time_msec / (uint64_t)1000;
+               if (limit_samples == 0) {
+                       g_critical("Not enough time at this samplerate.");
+                       return SR_ERR;
+               }
+               gvar = g_variant_new_uint64(limit_samples);
+               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
+                       g_critical("Failed to configure time-based sample limit.");
+                       return SR_ERR;
+               }
+       } else {
+               g_critical("This device does not support time limits.");
+               return SR_ERR;
+       }
+
+       return SR_OK;
+}
+
+int setup_output_format(void)
+{
+       GHashTable *fmtargs;
+       GHashTableIter iter;
+       gpointer key, value;
+       struct sr_output_format **outputs;
+       int i;
+       char *fmtspec;
+
+       if (opt_output_format && !strcmp(opt_output_format, "sigrok")) {
+               /* Doesn't really exist as an output module - this is
+                * the session save mode. */
+               g_free(opt_output_format);
+               opt_output_format = NULL;
+       }
+
+       if (!opt_output_format) {
+               opt_output_format = DEFAULT_OUTPUT_FORMAT;
+               /* we'll need to remember this so when saving to a file
+                * later, sigrok session format will be used.
+                */
+               default_output_format = TRUE;
+       }
+
+       fmtargs = parse_generic_arg(opt_output_format, TRUE);
+       fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
+       if (!fmtspec) {
+               g_critical("Invalid output format.");
+               return 1;
+       }
+       outputs = sr_output_list();
+       for (i = 0; outputs[i]; i++) {
+               if (strcmp(outputs[i]->id, fmtspec))
+                       continue;
+               g_hash_table_remove(fmtargs, "sigrok_key");
+               output_format = outputs[i];
+               g_hash_table_iter_init(&iter, fmtargs);
+               while (g_hash_table_iter_next(&iter, &key, &value)) {
+                       /* only supporting one parameter per output module
+                        * for now, and only its value */
+                       output_format_param = g_strdup(value);
+                       break;
+               }
+               break;
+       }
+       if (!output_format) {
+               g_critical("Invalid output format %s.", opt_output_format);
+               return 1;
+       }
+       g_hash_table_destroy(fmtargs);
+
+       return 0;
+}
+
+void datafeed_in(const struct sr_dev_inst *sdi,
+               const struct sr_datafeed_packet *packet, void *cb_data)
+{
+       const struct sr_datafeed_meta *meta;
+       const struct sr_datafeed_logic *logic;
+       const struct sr_datafeed_analog *analog;
+       struct sr_config *src;
+       static struct sr_output *o = NULL;
+       static GArray *logic_probelist = NULL;
+       static uint64_t received_samples = 0;
+       static int unitsize = 0;
+       static int triggered = 0;
+       static FILE *outfile = NULL;
+       GSList *l;
+       GString *out;
+       int sample_size, ret;
+       uint64_t samplerate, output_len, filter_out_len, end_sample;
+       uint8_t *output_buf, *filter_out;
+
+       (void) cb_data;
+
+       /* If the first packet to come in isn't a header, don't even try. */
+       if (packet->type != SR_DF_HEADER && o == NULL)
+               return;
+
+       sample_size = -1;
+       switch (packet->type) {
+       case SR_DF_HEADER:
+               g_debug("cli: Received SR_DF_HEADER");
+               /* Initialize the output module. */
+               if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
+                       g_critical("Output module malloc failed.");
+                       exit(1);
+               }
+               o->format = output_format;
+               o->sdi = (struct sr_dev_inst *)sdi;
+               o->param = output_format_param;
+               if (o->format->init) {
+                       if (o->format->init(o) != SR_OK) {
+                               g_critical("Output format initialization failed.");
+                               exit(1);
+                       }
+               }
+
+               /* Prepare non-stdout output. */
+               outfile = stdout;
+               if (opt_output_file) {
+                       if (default_output_format) {
+                               /* output file is in session format, so we'll
+                                * keep a copy of everything as it comes in
+                                * and save from there after the session. */
+                               outfile = NULL;
+                               savebuf = g_byte_array_new();
+                       } else {
+                               /* saving to a file in whatever format was set
+                                * with --format, so all we need is a filehandle */
+                               outfile = g_fopen(opt_output_file, "wb");
+                       }
+               }
+
+               /* Prepare for logic data. */
+               logic_probelist = get_enabled_logic_probes(sdi);
+               /* How many bytes we need to store the packed samples. */
+               unitsize = (logic_probelist->len + 7) / 8;
+
+#ifdef HAVE_SRD
+               GVariant *gvar;
+               if (opt_pds && logic_probelist->len) {
+                       if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
+                                       &gvar) == SR_OK) {
+                               samplerate = g_variant_get_uint64(gvar);
+                               g_variant_unref(gvar);
+                               if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
+                                               g_variant_new_uint64(samplerate)) != SRD_OK) {
+                                       g_critical("Failed to configure decode session.");
+                                       break;
+                               }
+                       }
+                       if (srd_session_start(srd_sess) != SRD_OK) {
+                               g_critical("Failed to start decode session.");
+                               break;
+                       }
+               }
+#endif
+               break;
+
+       case SR_DF_META:
+               g_debug("cli: received SR_DF_META");
+               meta = packet->payload;
+               for (l = meta->config; l; l = l->next) {
+                       src = l->data;
+                       switch (src->key) {
+                       case SR_CONF_SAMPLERATE:
+                               samplerate = g_variant_get_uint64(src->data);
+                               g_debug("cli: got samplerate %"PRIu64" Hz", samplerate);
+#ifdef HAVE_SRD
+                               if (opt_pds) {
+                                       if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
+                                                       g_variant_new_uint64(samplerate)) != SRD_OK) {
+                                               g_critical("Failed to pass samplerate to decoder.");
+                                       }
+                               }
+#endif
+                               break;
+                       case SR_CONF_SAMPLE_INTERVAL:
+                               samplerate = g_variant_get_uint64(src->data);
+                               g_debug("cli: got sample interval %"PRIu64" ms", samplerate);
+                               break;
+                       default:
+                               /* Unknown metadata is not an error. */
+                               break;
+                       }
+               }
+               break;
+
+       case SR_DF_TRIGGER:
+               g_debug("cli: received SR_DF_TRIGGER");
+               if (o->format->event)
+                       o->format->event(o, SR_DF_TRIGGER, &output_buf,
+                                        &output_len);
+               triggered = 1;
+               break;
+
+       case SR_DF_LOGIC:
+               logic = packet->payload;
+               g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
+               sample_size = logic->unitsize;
+               if (logic->length == 0)
+                       break;
+
+               /* Don't store any samples until triggered. */
+               if (opt_wait_trigger && !triggered)
+                       break;
+
+               if (limit_samples && received_samples >= limit_samples)
+                       break;
+
+               ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
+                               logic->data, logic->length,
+                               &filter_out, &filter_out_len);
+               if (ret != SR_OK)
+                       break;
+
+               /*
+                * What comes out of the filter is guaranteed to be packed into the
+                * minimum size needed to support the number of samples at this sample
+                * size. however, the driver may have submitted too much. Cut off
+                * the buffer of the last packet according to the sample limit.
+                */
+               if (limit_samples && (received_samples + logic->length / sample_size >
+                               limit_samples * sample_size))
+                       filter_out_len = limit_samples * sample_size - received_samples;
+
+               if (opt_output_file && default_output_format) {
+                       /* Saving to a session file. */
+                       g_byte_array_append(savebuf, filter_out, filter_out_len);
+               } else {
+                       if (opt_pds) {
+#ifdef HAVE_SRD
+                               end_sample = received_samples + filter_out_len / unitsize;
+                               if (srd_session_send(srd_sess, received_samples, end_sample,
+                                               (uint8_t*)filter_out, filter_out_len) != SRD_OK)
+                                       sr_session_stop();
+#endif
+                       } else {
+                               output_len = 0;
+                               if (o->format->data && packet->type == o->format->df_type)
+                                       o->format->data(o, filter_out, filter_out_len,
+                                                       &output_buf, &output_len);
+                               if (output_len) {
+                                       fwrite(output_buf, 1, output_len, outfile);
+                                       fflush(outfile);
+                                       g_free(output_buf);
+                               }
+                       }
+               }
+               g_free(filter_out);
+
+               received_samples += logic->length / sample_size;
+               break;
+
+       case SR_DF_ANALOG:
+               analog = packet->payload;
+               g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
+               if (analog->num_samples == 0)
+                       break;
+
+               if (limit_samples && received_samples >= limit_samples)
+                       break;
+
+               if (o->format->data && packet->type == o->format->df_type) {
+                       o->format->data(o, (const uint8_t *)analog->data,
+                                       analog->num_samples * sizeof(float),
+                                       &output_buf, &output_len);
+                       if (output_buf) {
+                               fwrite(output_buf, 1, output_len, outfile);
+                               fflush(outfile);
+                               g_free(output_buf);
+                       }
+               }
+
+               received_samples += analog->num_samples;
+               break;
+
+       case SR_DF_FRAME_BEGIN:
+               g_debug("cli: received SR_DF_FRAME_BEGIN");
+               if (o->format->event) {
+                       o->format->event(o, SR_DF_FRAME_BEGIN, &output_buf,
+                                        &output_len);
+                       if (output_buf) {
+                               fwrite(output_buf, 1, output_len, outfile);
+                               fflush(outfile);
+                               g_free(output_buf);
+                       }
+               }
+               break;
+
+       case SR_DF_FRAME_END:
+               g_debug("cli: received SR_DF_FRAME_END");
+               if (o->format->event) {
+                       o->format->event(o, SR_DF_FRAME_END, &output_buf,
+                                        &output_len);
+                       if (output_buf) {
+                               fwrite(output_buf, 1, output_len, outfile);
+                               fflush(outfile);
+                               g_free(output_buf);
+                       }
+               }
+               break;
+
+       default:
+               break;
+       }
+
+       if (o && o->format->receive) {
+               if (o->format->receive(o, sdi, packet, &out) == SR_OK && out) {
+                       fwrite(out->str, 1, out->len, outfile);
+                       fflush(outfile);
+                       g_string_free(out, TRUE);
+               }
+       }
+
+       /* SR_DF_END needs to be handled after the output module's receive()
+        * is called, so it can properly clean up that module etc. */
+       if (packet->type == SR_DF_END) {
+               g_debug("cli: Received SR_DF_END");
+
+               if (o->format->event) {
+                       o->format->event(o, SR_DF_END, &output_buf, &output_len);
+                       if (output_buf) {
+                               if (outfile)
+                                       fwrite(output_buf, 1, output_len, outfile);
+                               g_free(output_buf);
+                               output_len = 0;
+                       }
+               }
+
+               if (limit_samples && received_samples < limit_samples)
+                       g_warning("Device only sent %" PRIu64 " samples.",
+                              received_samples);
+
+               if (opt_continuous)
+                       g_warning("Device stopped after %" PRIu64 " samples.",
+                              received_samples);
+
+               g_array_free(logic_probelist, TRUE);
+
+               if (o->format->cleanup)
+                       o->format->cleanup(o);
+               g_free(o);
+               o = NULL;
+
+               if (outfile && outfile != stdout)
+                       fclose(outfile);
+
+               if (opt_output_file && default_output_format && savebuf->len) {
+                       if (sr_session_save(opt_output_file, sdi, savebuf->data,
+                                       unitsize, savebuf->len / unitsize) != SR_OK)
+                               g_critical("Failed to save session.");
+                       g_byte_array_free(savebuf, FALSE);
+               }
+       }
+
+}
+
+int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
+{
+       const struct sr_config_info *srci;
+       struct sr_probe_group *pg;
+       GHashTableIter iter;
+       gpointer key, value;
+       int ret;
+       double tmp_double;
+       uint64_t tmp_u64, p, q, low, high;
+       gboolean tmp_bool;
+       GVariant *val, *rational[2], *range[2];
+
+       g_hash_table_iter_init(&iter, args);
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
+               if (!(srci = sr_config_info_name_get(key))) {
+                       g_critical("Unknown device option '%s'.", (char *) key);
+                       return SR_ERR;
+               }
+
+               if ((value == NULL) &&
+                       (srci->datatype != SR_T_BOOL)) {
+                       g_critical("Option '%s' needs a value.", (char *)key);
+                       return SR_ERR;
+               }
+               val = NULL;
+               switch (srci->datatype) {
+               case SR_T_UINT64:
+                       ret = sr_parse_sizestring(value, &tmp_u64);
+                       if (ret != SR_OK)
+                               break;
+                       val = g_variant_new_uint64(tmp_u64);
+                       break;
+               case SR_T_CHAR:
+                       val = g_variant_new_string(value);
+                       break;
+               case SR_T_BOOL:
+                       if (!value)
+                               tmp_bool = TRUE;
+                       else
+                               tmp_bool = sr_parse_boolstring(value);
+                       val = g_variant_new_boolean(tmp_bool);
+                       break;
+               case SR_T_FLOAT:
+                       tmp_double = strtof(value, NULL);
+                       val = g_variant_new_double(tmp_double);
+                       break;
+               case SR_T_RATIONAL_PERIOD:
+                       if ((ret = sr_parse_period(value, &p, &q)) != SR_OK)
+                               break;
+                       rational[0] = g_variant_new_uint64(p);
+                       rational[1] = g_variant_new_uint64(q);
+                       val = g_variant_new_tuple(rational, 2);
+                       break;
+               case SR_T_RATIONAL_VOLT:
+                       if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK)
+                               break;
+                       rational[0] = g_variant_new_uint64(p);
+                       rational[1] = g_variant_new_uint64(q);
+                       val = g_variant_new_tuple(rational, 2);
+                       break;
+               case SR_T_UINT64_RANGE:
+                       if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) {
+                               ret = SR_ERR;
+                               break;
+                       } else {
+                               range[0] = g_variant_new_uint64(low);
+                               range[1] = g_variant_new_uint64(high);
+                               val = g_variant_new_tuple(range, 2);
+                       }
+                       break;
+               default:
+                       ret = SR_ERR;
+               }
+               if (val) {
+                       pg = select_probe_group(sdi);
+                       ret = sr_config_set(sdi, pg, srci->key, val);
+               }
+               if (ret != SR_OK) {
+                       g_critical("Failed to set device option '%s'.", (char *)key);
+                       return ret;
+               }
+       }
+
+       return SR_OK;
+}
+
+void run_session(void)
+{
+       GSList *devices;
+       GHashTable *devargs;
+       GVariant *gvar;
+       struct sr_dev_inst *sdi;
+       int max_probes, i;
+       char **triggerlist;
+
+       devices = device_scan();
+       if (!devices) {
+               g_critical("No devices found.");
+               return;
+       }
+       if (g_slist_length(devices) > 1) {
+               g_critical("sigrok-cli only supports one device for capturing.");
+               return;
+       }
+       sdi = devices->data;
+
+       sr_session_new();
+       sr_session_datafeed_callback_add(datafeed_in, NULL);
+
+       if (sr_dev_open(sdi) != SR_OK) {
+               g_critical("Failed to open device.");
+               return;
+       }
+
+       if (sr_session_dev_add(sdi) != SR_OK) {
+               g_critical("Failed to add device to session.");
+               sr_session_destroy();
+               return;
+       }
+
+       if (opt_config) {
+               if ((devargs = parse_generic_arg(opt_config, FALSE))) {
+                       if (set_dev_options(sdi, devargs) != SR_OK)
+                               return;
+                       g_hash_table_destroy(devargs);
+               }
+       }
+
+       if (select_probes(sdi) != SR_OK) {
+               g_critical("Failed to set probes.");
+               sr_session_destroy();
+               return;
+       }
+
+       if (opt_triggers) {
+               if (!(triggerlist = sr_parse_triggerstring(sdi, opt_triggers))) {
+                       sr_session_destroy();
+                       return;
+               }
+               max_probes = g_slist_length(sdi->probes);
+               for (i = 0; i < max_probes; i++) {
+                       if (triggerlist[i]) {
+                               sr_dev_trigger_set(sdi, i, triggerlist[i]);
+                               g_free(triggerlist[i]);
+                       }
+               }
+               g_free(triggerlist);
+       }
+
+       if (opt_continuous) {
+               if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
+                       g_critical("This device does not support continuous sampling.");
+                       sr_session_destroy();
+                       return;
+               }
+       }
+
+       if (opt_time) {
+               if (set_limit_time(sdi) != SR_OK) {
+                       sr_session_destroy();
+                       return;
+               }
+       }
+
+       if (opt_samples) {
+               if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
+                       g_critical("Invalid sample limit '%s'.", opt_samples);
+                       sr_session_destroy();
+                       return;
+               }
+               gvar = g_variant_new_uint64(limit_samples);
+               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
+                       g_critical("Failed to configure sample limit.");
+                       sr_session_destroy();
+                       return;
+               }
+       }
+
+       if (opt_frames) {
+               if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
+                       g_critical("Invalid sample limit '%s'.", opt_samples);
+                       sr_session_destroy();
+                       return;
+               }
+               gvar = g_variant_new_uint64(limit_frames);
+               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
+                       g_critical("Failed to configure frame limit.");
+                       sr_session_destroy();
+                       return;
+               }
+       }
+
+       if (sr_session_start() != SR_OK) {
+               g_critical("Failed to start session.");
+               sr_session_destroy();
+               return;
+       }
+
+       if (opt_continuous)
+               add_anykey();
+
+       sr_session_run();
+
+       if (opt_continuous)
+               clear_anykey();
+
+       sr_session_datafeed_callback_remove_all();
+       sr_session_destroy();
+       g_slist_free(devices);
+
+}
+
diff --git a/show.c b/show.c
new file mode 100644 (file)
index 0000000..07341c9
--- /dev/null
+++ b/show.c
@@ -0,0 +1,504 @@
+/*
+ * This file is part of the sigrok-cli project.
+ *
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#ifdef HAVE_SRD
+#include <libsigrokdecode/libsigrokdecode.h>
+#endif
+#include "sigrok-cli.h"
+
+extern gint opt_loglevel;
+extern gchar *opt_pds;
+
+void show_version(void)
+{
+       struct sr_dev_driver **drivers;
+       struct sr_input_format **inputs;
+       struct sr_output_format **outputs;
+       int i;
+#ifdef HAVE_SRD
+       struct srd_decoder *dec;
+       const GSList *l;
+#endif
+
+       printf("sigrok-cli %s\n\n", VERSION);
+
+       printf("Using libsigrok %s (lib version %s).\n",
+              sr_package_version_string_get(), sr_lib_version_string_get());
+#ifdef HAVE_SRD
+       printf("Using libsigrokdecode %s (lib version %s).\n\n",
+              srd_package_version_string_get(), srd_lib_version_string_get());
+#endif
+
+       printf("Supported hardware drivers:\n");
+       drivers = sr_driver_list();
+       for (i = 0; drivers[i]; i++) {
+               printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
+       }
+       printf("\n");
+
+       printf("Supported input formats:\n");
+       inputs = sr_input_list();
+       for (i = 0; inputs[i]; i++)
+               printf("  %-20s %s\n", inputs[i]->id, inputs[i]->description);
+       printf("\n");
+
+       printf("Supported output formats:\n");
+       outputs = sr_output_list();
+       for (i = 0; outputs[i]; i++)
+               printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
+       printf("  %-20s %s\n", "sigrok", "Default file output format");
+       printf("\n");
+
+#ifdef HAVE_SRD
+       if (srd_init(NULL) == SRD_OK) {
+               printf("Supported protocol decoders:\n");
+               srd_decoder_load_all();
+               for (l = srd_decoder_list(); l; l = l->next) {
+                       dec = l->data;
+                       printf("  %-20s %s\n", dec->id, dec->longname);
+                       /* Print protocol description upon "-l 3" or higher. */
+                       if (opt_loglevel >= SR_LOG_INFO)
+                               printf("  %-20s %s\n", "", dec->desc);
+               }
+               srd_exit();
+       }
+       printf("\n");
+#endif
+}
+
+static void print_dev_line(const struct sr_dev_inst *sdi)
+{
+       struct sr_probe *probe;
+       GSList *l;
+       GString *s;
+       GVariant *gvar;
+
+       s = g_string_sized_new(128);
+       g_string_assign(s, sdi->driver->name);
+       if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
+               g_string_append(s, ":conn=");
+               g_string_append(s, g_variant_get_string(gvar, NULL));
+               g_variant_unref(gvar);
+       }
+       g_string_append(s, " - ");
+       if (sdi->vendor && sdi->vendor[0])
+               g_string_append_printf(s, "%s ", sdi->vendor);
+       if (sdi->model && sdi->model[0])
+               g_string_append_printf(s, "%s ", sdi->model);
+       if (sdi->version && sdi->version[0])
+               g_string_append_printf(s, "%s ", sdi->version);
+       if (sdi->probes) {
+               if (g_slist_length(sdi->probes) == 1) {
+                       probe = sdi->probes->data;
+                       g_string_append_printf(s, "with 1 probe: %s", probe->name);
+               } else {
+                       g_string_append_printf(s, "with %d probes:", g_slist_length(sdi->probes));
+                       for (l = sdi->probes; l; l = l->next) {
+                               probe = l->data;
+                               g_string_append_printf(s, " %s", probe->name);
+                       }
+               }
+       }
+       g_string_append_printf(s, "\n");
+       printf("%s", s->str);
+       g_string_free(s, TRUE);
+
+}
+
+void show_dev_list(void)
+{
+       struct sr_dev_inst *sdi;
+       GSList *devices, *l;
+
+       if (!(devices = device_scan()))
+               return;
+
+       printf("The following devices were found:\n");
+       for (l = devices; l; l = l->next) {
+               sdi = l->data;
+               print_dev_line(sdi);
+       }
+       g_slist_free(devices);
+
+}
+
+void show_dev_detail(void)
+{
+       struct sr_dev_inst *sdi;
+       const struct sr_config_info *srci;
+       struct sr_probe *probe;
+       struct sr_probe_group *probe_group, *pg;
+       GSList *devices, *pgl, *prl;
+       GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
+       gsize num_opts, num_elements;
+       const uint64_t *uint64, p, q, low, high;
+       uint64_t cur_low, cur_high;
+       const int32_t *opts;
+       unsigned int num_devices, o, i;
+       char *tmp_str;
+       char *s;
+       const char *charopts, **stropts;
+
+       if (!(devices = device_scan())) {
+               g_critical("No devices found.");
+               return;
+       }
+
+       num_devices = g_slist_length(devices);
+       if (num_devices > 1) {
+               g_critical("%d devices found. Use --scan to show them, "
+                               "and select one to show.", num_devices);
+               return;
+       }
+
+       sdi = devices->data;
+       print_dev_line(sdi);
+
+       if (sr_dev_open(sdi) != SR_OK) {
+               g_critical("Failed to open device.");
+               return;
+       }
+
+       if ((sr_config_list(sdi->driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
+                       &gvar_opts) == SR_OK)) {
+               opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
+                               sizeof(int32_t));
+               printf("Supported driver options:\n");
+               for (i = 0; i < num_elements; i++) {
+                       if (!(srci = sr_config_info_get(opts[i])))
+                               continue;
+                       printf("    %s\n", srci->id);
+               }
+               g_variant_unref(gvar_opts);
+       }
+
+       probe_group = select_probe_group(sdi);
+       if ((sr_config_list(sdi->driver, sdi, probe_group, SR_CONF_DEVICE_OPTIONS,
+                       &gvar_opts)) != SR_OK)
+               /* Driver supports no device instance options. */
+               return;
+
+       if (sdi->probe_groups) {
+               printf("Probe groups:\n");
+               for (pgl = sdi->probe_groups; pgl; pgl = pgl->next) {
+                       pg = pgl->data;
+                       printf("    %s: channel%s", pg->name,
+                                       g_slist_length(pg->probes) > 1 ? "s" : "");
+                       for (prl = pg->probes; prl; prl = prl->next) {
+                               probe = prl->data;
+                               printf(" %s", probe->name);
+                       }
+                       printf("\n");
+               }
+       }
+
+       printf("Supported configuration options");
+       if (sdi->probe_groups) {
+               if (!probe_group)
+                       printf(" across all probe groups");
+               else
+                       printf(" on probe group %s", probe_group->name);
+       }
+       printf(":\n");
+       opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(int32_t));
+       for (o = 0; o < num_opts; o++) {
+               if (!(srci = sr_config_info_get(opts[o])))
+                       continue;
+
+               if (srci->key == SR_CONF_TRIGGER_TYPE) {
+                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
+                                       &gvar) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+                       charopts = g_variant_get_string(gvar, NULL);
+                       printf("    Supported triggers: ");
+                       while (*charopts) {
+                               printf("%c ", *charopts);
+                               charopts++;
+                       }
+                       printf("\n");
+                       g_variant_unref(gvar);
+
+               } else if (srci->key == SR_CONF_PATTERN_MODE) {
+                       /* Pattern generator modes */
+                       printf("    %s", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
+                                       &gvar) == SR_OK) {
+                               printf(" - supported patterns:\n");
+                               stropts = g_variant_get_strv(gvar, &num_elements);
+                               for (i = 0; i < num_elements; i++)
+                                       printf("      %s\n", stropts[i]);
+                               g_variant_unref(gvar);
+                       } else {
+                               printf("\n");
+                       }
+
+               } else if (srci->key == SR_CONF_SAMPLERATE) {
+                       /* Supported samplerates */
+                       printf("    %s", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group, SR_CONF_SAMPLERATE,
+                                       &gvar_dict) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+                       if ((gvar_list = g_variant_lookup_value(gvar_dict,
+                                       "samplerates", G_VARIANT_TYPE("at")))) {
+                               uint64 = g_variant_get_fixed_array(gvar_list,
+                                               &num_elements, sizeof(uint64_t));
+                               printf(" - supported samplerates:\n");
+                               for (i = 0; i < num_elements; i++) {
+                                       if (!(s = sr_samplerate_string(uint64[i])))
+                                               continue;
+                                       printf("      %s\n", s);
+                                       g_free(s);
+                               }
+                               g_variant_unref(gvar_list);
+                       } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
+                                       "samplerate-steps", G_VARIANT_TYPE("at")))) {
+                               uint64 = g_variant_get_fixed_array(gvar_list,
+                                               &num_elements, sizeof(uint64_t));
+                               /* low */
+                               if (!(s = sr_samplerate_string(uint64[0])))
+                                       continue;
+                               printf(" (%s", s);
+                               g_free(s);
+                               /* high */
+                               if (!(s = sr_samplerate_string(uint64[1])))
+                                       continue;
+                               printf(" - %s", s);
+                               g_free(s);
+                               /* step */
+                               if (!(s = sr_samplerate_string(uint64[2])))
+                                       continue;
+                               printf(" in steps of %s)\n", s);
+                               g_free(s);
+                               g_variant_unref(gvar_list);
+                       }
+                       g_variant_unref(gvar_dict);
+
+               } else if (srci->key == SR_CONF_BUFFERSIZE) {
+                       /* Supported buffer sizes */
+                       printf("    %s", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group,
+                                       SR_CONF_BUFFERSIZE, &gvar_list) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+                       uint64 = g_variant_get_fixed_array(gvar_list,
+                                       &num_elements, sizeof(uint64_t));
+                       printf(" - supported buffer sizes:\n");
+                       for (i = 0; i < num_elements; i++)
+                               printf("      %"PRIu64"\n", uint64[i]);
+                       g_variant_unref(gvar_list);
+
+               } else if (srci->key == SR_CONF_TIMEBASE) {
+                       /* Supported time bases */
+                       printf("    %s", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group,
+                                       SR_CONF_TIMEBASE, &gvar_list) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+                       printf(" - supported time bases:\n");
+                       num_elements = g_variant_n_children(gvar_list);
+                       for (i = 0; i < num_elements; i++) {
+                               gvar = g_variant_get_child_value(gvar_list, i);
+                               g_variant_get(gvar, "(tt)", &p, &q);
+                               s = sr_period_string(p * q);
+                               printf("      %s\n", s);
+                               g_free(s);
+                       }
+                       g_variant_unref(gvar_list);
+
+               } else if (srci->key == SR_CONF_VDIV) {
+                       /* Supported volts/div values */
+                       printf("    %s", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group,
+                                       SR_CONF_VDIV, &gvar_list) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+                       printf(" - supported volts/div:\n");
+                       num_elements = g_variant_n_children(gvar_list);
+                       for (i = 0; i < num_elements; i++) {
+                               gvar = g_variant_get_child_value(gvar_list, i);
+                               g_variant_get(gvar, "(tt)", &p, &q);
+                               s = sr_voltage_string(p, q);
+                               printf("      %s\n", s);
+                               g_free(s);
+                       }
+                       g_variant_unref(gvar_list);
+
+               } else if (srci->datatype == SR_T_CHAR) {
+                       printf("    %s: ", srci->id);
+                       if (sr_config_get(sdi->driver, sdi, probe_group, srci->key,
+                                       &gvar) == SR_OK) {
+                               tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
+                               g_variant_unref(gvar);
+                       } else
+                               tmp_str = NULL;
+
+                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
+                                       &gvar) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+
+                       stropts = g_variant_get_strv(gvar, &num_elements);
+                       for (i = 0; i < num_elements; i++) {
+                               if (i)
+                                       printf(", ");
+                               printf("%s", stropts[i]);
+                               if (tmp_str && !strcmp(tmp_str, stropts[i]))
+                                       printf(" (current)");
+                       }
+                       printf("\n");
+                       g_free(stropts);
+                       g_free(tmp_str);
+                       g_variant_unref(gvar);
+
+               } else if (srci->datatype == SR_T_UINT64_RANGE) {
+                       printf("    %s: ", srci->id);
+                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
+                                       &gvar_list) != SR_OK) {
+                               printf("\n");
+                               continue;
+                       }
+
+                       if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
+                               g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
+                               g_variant_unref(gvar);
+                       } else {
+                               cur_low = 0;
+                               cur_high = 0;
+                       }
+
+                       num_elements = g_variant_n_children(gvar_list);
+                       for (i = 0; i < num_elements; i++) {
+                               gvar = g_variant_get_child_value(gvar_list, i);
+                               g_variant_get(gvar, "(tt)", &low, &high);
+                               g_variant_unref(gvar);
+                               if (i)
+                                       printf(", ");
+                               printf("%"PRIu64"-%"PRIu64, low, high);
+                               if (low == cur_low && high == cur_high)
+                                       printf(" (current)");
+                       }
+                       printf("\n");
+                       g_variant_unref(gvar_list);
+
+               } else if (srci->datatype == SR_T_BOOL) {
+                       printf("    %s: ", srci->id);
+                       if (sr_config_get(sdi->driver, sdi, NULL, srci->key,
+                                       &gvar) == SR_OK) {
+                               if (g_variant_get_boolean(gvar))
+                                       printf("on (current), off\n");
+                               else
+                                       printf("on, off (current)\n");
+                               g_variant_unref(gvar);
+                       } else
+                               printf("on, off\n");
+
+               } else {
+
+                       /* Everything else */
+                       printf("    %s\n", srci->id);
+               }
+       }
+       g_variant_unref(gvar_opts);
+
+       sr_dev_close(sdi);
+       g_slist_free(devices);
+
+}
+
+#ifdef HAVE_SRD
+void show_pd_detail(void)
+{
+       GSList *l;
+       struct srd_decoder *dec;
+       struct srd_decoder_option *o;
+       char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
+       struct srd_probe *p;
+
+       pdtokens = g_strsplit(opt_pds, ",", -1);
+       for (pdtok = pdtokens; *pdtok; pdtok++) {
+               /* Strip options. */
+               if ((optsep = strchr(*pdtok, ':')))
+                       *optsep = '\0';
+               if (!(dec = srd_decoder_get_by_id(*pdtok))) {
+                       g_critical("Protocol decoder %s not found.", *pdtok);
+                       return;
+               }
+               printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
+                               dec->id, dec->name, dec->longname, dec->desc);
+               printf("License: %s\n", dec->license);
+               printf("Annotations:\n");
+               if (dec->annotations) {
+                       for (l = dec->annotations; l; l = l->next) {
+                               ann = l->data;
+                               printf("- %s\n  %s\n", ann[0], ann[1]);
+                       }
+               } else {
+                       printf("None.\n");
+               }
+               printf("Required probes:\n");
+               if (dec->probes) {
+                       for (l = dec->probes; l; l = l->next) {
+                               p = l->data;
+                               printf("- %s (%s): %s\n",
+                                      p->name, p->id, p->desc);
+                       }
+               } else {
+                       printf("None.\n");
+               }
+               printf("Optional probes:\n");
+               if (dec->opt_probes) {
+                       for (l = dec->opt_probes; l; l = l->next) {
+                               p = l->data;
+                               printf("- %s (%s): %s\n",
+                                      p->name, p->id, p->desc);
+                       }
+               } else {
+                       printf("None.\n");
+               }
+               if (dec->options) {
+                       printf("Options:\n");
+                       for (l = dec->options; l; l = l->next) {
+                               o = l->data;
+                               val = g_variant_print(o->def, FALSE);
+                               printf("- %s: %s (default %s)\n", o->id, o->desc, val);
+                               g_free(val);
+                       }
+               }
+               if ((doc = srd_decoder_doc_get(dec))) {
+                       printf("Documentation:\n%s\n",
+                              doc[0] == '\n' ? doc + 1 : doc);
+                       g_free(doc);
+               }
+       }
+
+       g_strfreev(pdtokens);
+}
+#endif
+
diff --git a/sigrok-cli.c b/sigrok-cli.c
deleted file mode 100644 (file)
index ac84e1d..0000000
+++ /dev/null
@@ -1,2084 +0,0 @@
-/*
- * This file is part of the sigrok-cli project.
- *
- * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-#ifdef HAVE_SRD
-#include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <time.h>
-#include <sys/time.h>
-#include <inttypes.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <glib.h>
-#include <glib/gstdio.h>
-#include <libsigrok/libsigrok.h>
-#include "sigrok-cli.h"
-
-#define DEFAULT_OUTPUT_FORMAT "bits:width=64"
-
-static struct sr_context *sr_ctx = NULL;
-
-static uint64_t limit_samples = 0;
-static uint64_t limit_frames = 0;
-static struct sr_output_format *output_format = NULL;
-static int default_output_format = FALSE;
-static char *output_format_param = NULL;
-#ifdef HAVE_SRD
-static struct srd_session *srd_sess = NULL;
-static GHashTable *pd_ann_visible = NULL;
-static GHashTable *pd_meta_visible = NULL;
-static GHashTable *pd_binary_visible = NULL;
-#endif
-static GByteArray *savebuf;
-
-static gboolean opt_version = FALSE;
-static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
-static gboolean opt_scan_devs = FALSE;
-static gboolean opt_wait_trigger = FALSE;
-static gchar *opt_input_file = NULL;
-static gchar *opt_output_file = NULL;
-static gchar *opt_drv = NULL;
-static gchar *opt_config = NULL;
-static gchar *opt_probes = NULL;
-static gchar *opt_probe_group = NULL;
-static gchar *opt_triggers = NULL;
-static gchar *opt_pds = NULL;
-#ifdef HAVE_SRD
-static gchar *opt_pd_stack = NULL;
-static gchar *opt_pd_annotations = NULL;
-static gchar *opt_pd_meta = NULL;
-static gchar *opt_pd_binary = NULL;
-#endif
-static gchar *opt_input_format = NULL;
-static gchar *opt_output_format = NULL;
-static gchar *opt_show = NULL;
-static gchar *opt_time = NULL;
-static gchar *opt_samples = NULL;
-static gchar *opt_frames = NULL;
-static gchar *opt_continuous = NULL;
-static gchar *opt_set = NULL;
-
-static GOptionEntry optargs[] = {
-       {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
-                       "Show version and support list", NULL},
-       {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
-                       "Set loglevel (5 is most verbose)", NULL},
-       {"driver", 'd', 0, G_OPTION_ARG_STRING, &opt_drv,
-                       "The driver to use", NULL},
-       {"config", 'c', 0, G_OPTION_ARG_STRING, &opt_config,
-                       "Specify device configuration options", NULL},
-       {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
-                       "Load input from file", NULL},
-       {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
-                       "Input format", NULL},
-       {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
-                       "Save output to file", NULL},
-       {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
-                       "Output format", NULL},
-       {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
-                       "Probes to use", NULL},
-       {"probe-group", 'g', 0, G_OPTION_ARG_STRING, &opt_probe_group,
-                       "Probe groups", NULL},
-       {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
-                       "Trigger configuration", NULL},
-       {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
-                       "Wait for trigger", NULL},
-#ifdef HAVE_SRD
-       {"protocol-decoders", 'P', 0, G_OPTION_ARG_STRING, &opt_pds,
-                       "Protocol decoders to run", NULL},
-       {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
-                       "Protocol decoder stack", NULL},
-       {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
-                       "Protocol decoder annotation(s) to show", NULL},
-       {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_STRING, &opt_pd_meta,
-                       "Protocol decoder meta output to show", NULL},
-       {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_STRING, &opt_pd_binary,
-                       "Protocol decoder binary output to show", NULL},
-#endif
-       {"scan", 0, 0, G_OPTION_ARG_NONE, &opt_scan_devs,
-                       "Scan for devices", NULL},
-       {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
-                       "Show device detail", NULL},
-       {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
-                       "How long to sample (ms)", NULL},
-       {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
-                       "Number of samples to acquire", NULL},
-       {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
-                       "Number of frames to acquire", NULL},
-       {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
-                       "Sample continuously", NULL},
-       {"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL},
-       {NULL, 0, 0, 0, NULL, NULL, NULL}
-};
-
-
-/* Convert driver options hash to GSList of struct sr_config. */
-static GSList *hash_to_hwopt(GHashTable *hash)
-{
-       const struct sr_config_info *srci;
-       struct sr_config *src;
-       GList *gl, *keys;
-       GSList *opts;
-       char *key, *value;
-
-       keys = g_hash_table_get_keys(hash);
-       opts = NULL;
-       for (gl = keys; gl; gl = gl->next) {
-               key = gl->data;
-               if (!(srci = sr_config_info_name_get(key))) {
-                       g_critical("Unknown option %s", key);
-                       return NULL;
-               }
-               src = g_try_malloc(sizeof(struct sr_config));
-               src->key = srci->key;
-               value = g_hash_table_lookup(hash, key);
-               src->data = g_variant_new_string(value);
-               opts = g_slist_append(opts, src);
-       }
-       g_list_free(keys);
-
-       return opts;
-}
-
-static struct sr_probe_group *select_probe_group(struct sr_dev_inst *sdi)
-{
-       struct sr_probe_group *pg;
-       GSList *l;
-
-       if (!opt_probe_group)
-               return NULL;
-
-       if (!sdi->probe_groups) {
-               g_critical("This device does not have any probe groups.");
-               return NULL;
-       }
-
-       for (l = sdi->probe_groups; l; l = l->next) {
-               pg = l->data;
-               if (!strcasecmp(opt_probe_group, pg->name)) {
-                       return pg;
-               }
-       }
-
-       return NULL;
-}
-
-static void free_drvopts(struct sr_config *src)
-{
-       g_variant_unref(src->data);
-       g_free(src);
-}
-
-static GSList *device_scan(void)
-{
-       struct sr_dev_driver **drivers, *driver;
-       GHashTable *drvargs;
-       GSList *drvopts, *devices, *tmpdevs, *l;
-       int i;
-       char *drvname;
-
-       if (opt_drv) {
-               drvargs = parse_generic_arg(opt_drv, TRUE);
-               drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
-               g_hash_table_remove(drvargs, "sigrok_key");
-               driver = NULL;
-               drivers = sr_driver_list();
-               for (i = 0; drivers[i]; i++) {
-                       if (strcmp(drivers[i]->name, drvname))
-                               continue;
-                       driver = drivers[i];
-               }
-               if (!driver) {
-                       g_critical("Driver %s not found.", drvname);
-                       g_hash_table_destroy(drvargs);
-                       g_free(drvname);
-                       return NULL;
-               }
-               g_free(drvname);
-               if (sr_driver_init(sr_ctx, driver) != SR_OK) {
-                       g_critical("Failed to initialize driver.");
-                       g_hash_table_destroy(drvargs);
-                       return NULL;
-               }
-               drvopts = NULL;
-               if (g_hash_table_size(drvargs) > 0) {
-                       if (!(drvopts = hash_to_hwopt(drvargs))) {
-                               /* Unknown options, already logged. */
-                               g_hash_table_destroy(drvargs);
-                               return NULL;
-                       }
-               }
-               g_hash_table_destroy(drvargs);
-               devices = sr_driver_scan(driver, drvopts);
-               g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
-       } else {
-               /* No driver specified, let them all scan on their own. */
-               devices = NULL;
-               drivers = sr_driver_list();
-               for (i = 0; drivers[i]; i++) {
-                       driver = drivers[i];
-                       if (sr_driver_init(sr_ctx, driver) != SR_OK) {
-                               g_critical("Failed to initialize driver.");
-                               return NULL;
-                       }
-                       tmpdevs = sr_driver_scan(driver, NULL);
-                       for (l = tmpdevs; l; l = l->next)
-                               devices = g_slist_append(devices, l->data);
-                       g_slist_free(tmpdevs);
-               }
-       }
-
-       return devices;
-}
-
-static void show_version(void)
-{
-       struct sr_dev_driver **drivers;
-       struct sr_input_format **inputs;
-       struct sr_output_format **outputs;
-       int i;
-#ifdef HAVE_SRD
-       struct srd_decoder *dec;
-       const GSList *l;
-#endif
-
-       printf("sigrok-cli %s\n\n", VERSION);
-
-       printf("Using libsigrok %s (lib version %s).\n",
-              sr_package_version_string_get(), sr_lib_version_string_get());
-#ifdef HAVE_SRD
-       printf("Using libsigrokdecode %s (lib version %s).\n\n",
-              srd_package_version_string_get(), srd_lib_version_string_get());
-#endif
-
-       printf("Supported hardware drivers:\n");
-       drivers = sr_driver_list();
-       for (i = 0; drivers[i]; i++) {
-               printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
-       }
-       printf("\n");
-
-       printf("Supported input formats:\n");
-       inputs = sr_input_list();
-       for (i = 0; inputs[i]; i++)
-               printf("  %-20s %s\n", inputs[i]->id, inputs[i]->description);
-       printf("\n");
-
-       printf("Supported output formats:\n");
-       outputs = sr_output_list();
-       for (i = 0; outputs[i]; i++)
-               printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
-       printf("  %-20s %s\n", "sigrok", "Default file output format");
-       printf("\n");
-
-#ifdef HAVE_SRD
-       if (srd_init(NULL) == SRD_OK) {
-               printf("Supported protocol decoders:\n");
-               srd_decoder_load_all();
-               for (l = srd_decoder_list(); l; l = l->next) {
-                       dec = l->data;
-                       printf("  %-20s %s\n", dec->id, dec->longname);
-                       /* Print protocol description upon "-l 3" or higher. */
-                       if (opt_loglevel >= SR_LOG_INFO)
-                               printf("  %-20s %s\n", "", dec->desc);
-               }
-               srd_exit();
-       }
-       printf("\n");
-#endif
-}
-
-static void print_dev_line(const struct sr_dev_inst *sdi)
-{
-       struct sr_probe *probe;
-       GSList *l;
-       GString *s;
-       GVariant *gvar;
-
-       s = g_string_sized_new(128);
-       g_string_assign(s, sdi->driver->name);
-       if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
-               g_string_append(s, ":conn=");
-               g_string_append(s, g_variant_get_string(gvar, NULL));
-               g_variant_unref(gvar);
-       }
-       g_string_append(s, " - ");
-       if (sdi->vendor && sdi->vendor[0])
-               g_string_append_printf(s, "%s ", sdi->vendor);
-       if (sdi->model && sdi->model[0])
-               g_string_append_printf(s, "%s ", sdi->model);
-       if (sdi->version && sdi->version[0])
-               g_string_append_printf(s, "%s ", sdi->version);
-       if (sdi->probes) {
-               if (g_slist_length(sdi->probes) == 1) {
-                       probe = sdi->probes->data;
-                       g_string_append_printf(s, "with 1 probe: %s", probe->name);
-               } else {
-                       g_string_append_printf(s, "with %d probes:", g_slist_length(sdi->probes));
-                       for (l = sdi->probes; l; l = l->next) {
-                               probe = l->data;
-                               g_string_append_printf(s, " %s", probe->name);
-                       }
-               }
-       }
-       g_string_append_printf(s, "\n");
-       printf("%s", s->str);
-       g_string_free(s, TRUE);
-
-}
-
-static void show_dev_list(void)
-{
-       struct sr_dev_inst *sdi;
-       GSList *devices, *l;
-
-       if (!(devices = device_scan()))
-               return;
-
-       printf("The following devices were found:\n");
-       for (l = devices; l; l = l->next) {
-               sdi = l->data;
-               print_dev_line(sdi);
-       }
-       g_slist_free(devices);
-
-}
-
-static void show_dev_detail(void)
-{
-       struct sr_dev_inst *sdi;
-       const struct sr_config_info *srci;
-       struct sr_probe *probe;
-       struct sr_probe_group *probe_group, *pg;
-       GSList *devices, *pgl, *prl;
-       GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
-       gsize num_opts, num_elements;
-       const uint64_t *uint64, p, q, low, high;
-       uint64_t cur_low, cur_high;
-       const int32_t *opts;
-       unsigned int num_devices, o, i;
-       char *tmp_str;
-       char *s;
-       const char *charopts, **stropts;
-
-       if (!(devices = device_scan())) {
-               g_critical("No devices found.");
-               return;
-       }
-
-       num_devices = g_slist_length(devices);
-       if (num_devices > 1) {
-               g_critical("%d devices found. Use --scan to show them, "
-                               "and select one to show.", num_devices);
-               return;
-       }
-
-       sdi = devices->data;
-       print_dev_line(sdi);
-
-       if (sr_dev_open(sdi) != SR_OK) {
-               g_critical("Failed to open device.");
-               return;
-       }
-
-       if ((sr_config_list(sdi->driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
-                       &gvar_opts) == SR_OK)) {
-               opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
-                               sizeof(int32_t));
-               printf("Supported driver options:\n");
-               for (i = 0; i < num_elements; i++) {
-                       if (!(srci = sr_config_info_get(opts[i])))
-                               continue;
-                       printf("    %s\n", srci->id);
-               }
-               g_variant_unref(gvar_opts);
-       }
-
-       probe_group = select_probe_group(sdi);
-       if ((sr_config_list(sdi->driver, sdi, probe_group, SR_CONF_DEVICE_OPTIONS,
-                       &gvar_opts)) != SR_OK)
-               /* Driver supports no device instance options. */
-               return;
-
-       if (sdi->probe_groups) {
-               printf("Probe groups:\n");
-               for (pgl = sdi->probe_groups; pgl; pgl = pgl->next) {
-                       pg = pgl->data;
-                       printf("    %s: channel%s", pg->name,
-                                       g_slist_length(pg->probes) > 1 ? "s" : "");
-                       for (prl = pg->probes; prl; prl = prl->next) {
-                               probe = prl->data;
-                               printf(" %s", probe->name);
-                       }
-                       printf("\n");
-               }
-       }
-
-       printf("Supported configuration options");
-       if (sdi->probe_groups) {
-               if (!probe_group)
-                       printf(" across all probe groups");
-               else
-                       printf(" on probe group %s", probe_group->name);
-       }
-       printf(":\n");
-       opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(int32_t));
-       for (o = 0; o < num_opts; o++) {
-               if (!(srci = sr_config_info_get(opts[o])))
-                       continue;
-
-               if (srci->key == SR_CONF_TRIGGER_TYPE) {
-                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
-                                       &gvar) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-                       charopts = g_variant_get_string(gvar, NULL);
-                       printf("    Supported triggers: ");
-                       while (*charopts) {
-                               printf("%c ", *charopts);
-                               charopts++;
-                       }
-                       printf("\n");
-                       g_variant_unref(gvar);
-
-               } else if (srci->key == SR_CONF_PATTERN_MODE) {
-                       /* Pattern generator modes */
-                       printf("    %s", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
-                                       &gvar) == SR_OK) {
-                               printf(" - supported patterns:\n");
-                               stropts = g_variant_get_strv(gvar, &num_elements);
-                               for (i = 0; i < num_elements; i++)
-                                       printf("      %s\n", stropts[i]);
-                               g_variant_unref(gvar);
-                       } else {
-                               printf("\n");
-                       }
-
-               } else if (srci->key == SR_CONF_SAMPLERATE) {
-                       /* Supported samplerates */
-                       printf("    %s", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group, SR_CONF_SAMPLERATE,
-                                       &gvar_dict) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-                       if ((gvar_list = g_variant_lookup_value(gvar_dict,
-                                       "samplerates", G_VARIANT_TYPE("at")))) {
-                               uint64 = g_variant_get_fixed_array(gvar_list,
-                                               &num_elements, sizeof(uint64_t));
-                               printf(" - supported samplerates:\n");
-                               for (i = 0; i < num_elements; i++) {
-                                       if (!(s = sr_samplerate_string(uint64[i])))
-                                               continue;
-                                       printf("      %s\n", s);
-                                       g_free(s);
-                               }
-                               g_variant_unref(gvar_list);
-                       } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
-                                       "samplerate-steps", G_VARIANT_TYPE("at")))) {
-                               uint64 = g_variant_get_fixed_array(gvar_list,
-                                               &num_elements, sizeof(uint64_t));
-                               /* low */
-                               if (!(s = sr_samplerate_string(uint64[0])))
-                                       continue;
-                               printf(" (%s", s);
-                               g_free(s);
-                               /* high */
-                               if (!(s = sr_samplerate_string(uint64[1])))
-                                       continue;
-                               printf(" - %s", s);
-                               g_free(s);
-                               /* step */
-                               if (!(s = sr_samplerate_string(uint64[2])))
-                                       continue;
-                               printf(" in steps of %s)\n", s);
-                               g_free(s);
-                               g_variant_unref(gvar_list);
-                       }
-                       g_variant_unref(gvar_dict);
-
-               } else if (srci->key == SR_CONF_BUFFERSIZE) {
-                       /* Supported buffer sizes */
-                       printf("    %s", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group,
-                                       SR_CONF_BUFFERSIZE, &gvar_list) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-                       uint64 = g_variant_get_fixed_array(gvar_list,
-                                       &num_elements, sizeof(uint64_t));
-                       printf(" - supported buffer sizes:\n");
-                       for (i = 0; i < num_elements; i++)
-                               printf("      %"PRIu64"\n", uint64[i]);
-                       g_variant_unref(gvar_list);
-
-               } else if (srci->key == SR_CONF_TIMEBASE) {
-                       /* Supported time bases */
-                       printf("    %s", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group,
-                                       SR_CONF_TIMEBASE, &gvar_list) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-                       printf(" - supported time bases:\n");
-                       num_elements = g_variant_n_children(gvar_list);
-                       for (i = 0; i < num_elements; i++) {
-                               gvar = g_variant_get_child_value(gvar_list, i);
-                               g_variant_get(gvar, "(tt)", &p, &q);
-                               s = sr_period_string(p * q);
-                               printf("      %s\n", s);
-                               g_free(s);
-                       }
-                       g_variant_unref(gvar_list);
-
-               } else if (srci->key == SR_CONF_VDIV) {
-                       /* Supported volts/div values */
-                       printf("    %s", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group,
-                                       SR_CONF_VDIV, &gvar_list) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-                       printf(" - supported volts/div:\n");
-                       num_elements = g_variant_n_children(gvar_list);
-                       for (i = 0; i < num_elements; i++) {
-                               gvar = g_variant_get_child_value(gvar_list, i);
-                               g_variant_get(gvar, "(tt)", &p, &q);
-                               s = sr_voltage_string(p, q);
-                               printf("      %s\n", s);
-                               g_free(s);
-                       }
-                       g_variant_unref(gvar_list);
-
-               } else if (srci->datatype == SR_T_CHAR) {
-                       printf("    %s: ", srci->id);
-                       if (sr_config_get(sdi->driver, sdi, probe_group, srci->key,
-                                       &gvar) == SR_OK) {
-                               tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
-                               g_variant_unref(gvar);
-                       } else
-                               tmp_str = NULL;
-
-                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
-                                       &gvar) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-
-                       stropts = g_variant_get_strv(gvar, &num_elements);
-                       for (i = 0; i < num_elements; i++) {
-                               if (i)
-                                       printf(", ");
-                               printf("%s", stropts[i]);
-                               if (tmp_str && !strcmp(tmp_str, stropts[i]))
-                                       printf(" (current)");
-                       }
-                       printf("\n");
-                       g_free(stropts);
-                       g_free(tmp_str);
-                       g_variant_unref(gvar);
-
-               } else if (srci->datatype == SR_T_UINT64_RANGE) {
-                       printf("    %s: ", srci->id);
-                       if (sr_config_list(sdi->driver, sdi, probe_group, srci->key,
-                                       &gvar_list) != SR_OK) {
-                               printf("\n");
-                               continue;
-                       }
-
-                       if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
-                               g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
-                               g_variant_unref(gvar);
-                       } else {
-                               cur_low = 0;
-                               cur_high = 0;
-                       }
-
-                       num_elements = g_variant_n_children(gvar_list);
-                       for (i = 0; i < num_elements; i++) {
-                               gvar = g_variant_get_child_value(gvar_list, i);
-                               g_variant_get(gvar, "(tt)", &low, &high);
-                               g_variant_unref(gvar);
-                               if (i)
-                                       printf(", ");
-                               printf("%"PRIu64"-%"PRIu64, low, high);
-                               if (low == cur_low && high == cur_high)
-                                       printf(" (current)");
-                       }
-                       printf("\n");
-                       g_variant_unref(gvar_list);
-
-               } else if (srci->datatype == SR_T_BOOL) {
-                       printf("    %s: ", srci->id);
-                       if (sr_config_get(sdi->driver, sdi, NULL, srci->key,
-                                       &gvar) == SR_OK) {
-                               if (g_variant_get_boolean(gvar))
-                                       printf("on (current), off\n");
-                               else
-                                       printf("on, off (current)\n");
-                               g_variant_unref(gvar);
-                       } else
-                               printf("on, off\n");
-
-               } else {
-
-                       /* Everything else */
-                       printf("    %s\n", srci->id);
-               }
-       }
-       g_variant_unref(gvar_opts);
-
-       sr_dev_close(sdi);
-       g_slist_free(devices);
-
-}
-
-#ifdef HAVE_SRD
-static void show_pd_detail(void)
-{
-       GSList *l;
-       struct srd_decoder *dec;
-       struct srd_decoder_option *o;
-       char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
-       struct srd_probe *p;
-
-       pdtokens = g_strsplit(opt_pds, ",", -1);
-       for (pdtok = pdtokens; *pdtok; pdtok++) {
-               /* Strip options. */
-               if ((optsep = strchr(*pdtok, ':')))
-                       *optsep = '\0';
-               if (!(dec = srd_decoder_get_by_id(*pdtok))) {
-                       g_critical("Protocol decoder %s not found.", *pdtok);
-                       return;
-               }
-               printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
-                               dec->id, dec->name, dec->longname, dec->desc);
-               printf("License: %s\n", dec->license);
-               printf("Annotations:\n");
-               if (dec->annotations) {
-                       for (l = dec->annotations; l; l = l->next) {
-                               ann = l->data;
-                               printf("- %s\n  %s\n", ann[0], ann[1]);
-                       }
-               } else {
-                       printf("None.\n");
-               }
-               printf("Required probes:\n");
-               if (dec->probes) {
-                       for (l = dec->probes; l; l = l->next) {
-                               p = l->data;
-                               printf("- %s (%s): %s\n",
-                                      p->name, p->id, p->desc);
-                       }
-               } else {
-                       printf("None.\n");
-               }
-               printf("Optional probes:\n");
-               if (dec->opt_probes) {
-                       for (l = dec->opt_probes; l; l = l->next) {
-                               p = l->data;
-                               printf("- %s (%s): %s\n",
-                                      p->name, p->id, p->desc);
-                       }
-               } else {
-                       printf("None.\n");
-               }
-               if (dec->options) {
-                       printf("Options:\n");
-                       for (l = dec->options; l; l = l->next) {
-                               o = l->data;
-                               val = g_variant_print(o->def, FALSE);
-                               printf("- %s: %s (default %s)\n", o->id, o->desc, val);
-                               g_free(val);
-                       }
-               }
-               if ((doc = srd_decoder_doc_get(dec))) {
-                       printf("Documentation:\n%s\n",
-                              doc[0] == '\n' ? doc + 1 : doc);
-                       g_free(doc);
-               }
-       }
-
-       g_strfreev(pdtokens);
-}
-#endif
-
-static GArray *get_enabled_logic_probes(const struct sr_dev_inst *sdi)
-{
-       struct sr_probe *probe;
-       GArray *probes;
-       GSList *l;
-
-       probes = g_array_new(FALSE, FALSE, sizeof(int));
-       for (l = sdi->probes; l; l = l->next) {
-               probe = l->data;
-               if (probe->type != SR_PROBE_LOGIC)
-                       continue;
-               if (probe->enabled != TRUE)
-                       continue;
-               g_array_append_val(probes, probe->index);
-       }
-
-       return probes;
-}
-
-static void datafeed_in(const struct sr_dev_inst *sdi,
-               const struct sr_datafeed_packet *packet, void *cb_data)
-{
-       const struct sr_datafeed_meta *meta;
-       const struct sr_datafeed_logic *logic;
-       const struct sr_datafeed_analog *analog;
-       struct sr_config *src;
-       static struct sr_output *o = NULL;
-       static GArray *logic_probelist = NULL;
-       static uint64_t received_samples = 0;
-       static int unitsize = 0;
-       static int triggered = 0;
-       static FILE *outfile = NULL;
-       GSList *l;
-       GString *out;
-       int sample_size, ret;
-       uint64_t samplerate, output_len, filter_out_len, end_sample;
-       uint8_t *output_buf, *filter_out;
-
-       (void) cb_data;
-
-       /* If the first packet to come in isn't a header, don't even try. */
-       if (packet->type != SR_DF_HEADER && o == NULL)
-               return;
-
-       sample_size = -1;
-       switch (packet->type) {
-       case SR_DF_HEADER:
-               g_debug("cli: Received SR_DF_HEADER");
-               /* Initialize the output module. */
-               if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
-                       g_critical("Output module malloc failed.");
-                       exit(1);
-               }
-               o->format = output_format;
-               o->sdi = (struct sr_dev_inst *)sdi;
-               o->param = output_format_param;
-               if (o->format->init) {
-                       if (o->format->init(o) != SR_OK) {
-                               g_critical("Output format initialization failed.");
-                               exit(1);
-                       }
-               }
-
-               /* Prepare non-stdout output. */
-               outfile = stdout;
-               if (opt_output_file) {
-                       if (default_output_format) {
-                               /* output file is in session format, so we'll
-                                * keep a copy of everything as it comes in
-                                * and save from there after the session. */
-                               outfile = NULL;
-                               savebuf = g_byte_array_new();
-                       } else {
-                               /* saving to a file in whatever format was set
-                                * with --format, so all we need is a filehandle */
-                               outfile = g_fopen(opt_output_file, "wb");
-                       }
-               }
-
-               /* Prepare for logic data. */
-               logic_probelist = get_enabled_logic_probes(sdi);
-               /* How many bytes we need to store the packed samples. */
-               unitsize = (logic_probelist->len + 7) / 8;
-
-#ifdef HAVE_SRD
-               GVariant *gvar;
-               if (opt_pds && logic_probelist->len) {
-                       if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
-                                       &gvar) == SR_OK) {
-                               samplerate = g_variant_get_uint64(gvar);
-                               g_variant_unref(gvar);
-                               if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
-                                               g_variant_new_uint64(samplerate)) != SRD_OK) {
-                                       g_critical("Failed to configure decode session.");
-                                       break;
-                               }
-                       }
-                       if (srd_session_start(srd_sess) != SRD_OK) {
-                               g_critical("Failed to start decode session.");
-                               break;
-                       }
-               }
-#endif
-               break;
-
-       case SR_DF_META:
-               g_debug("cli: received SR_DF_META");
-               meta = packet->payload;
-               for (l = meta->config; l; l = l->next) {
-                       src = l->data;
-                       switch (src->key) {
-                       case SR_CONF_SAMPLERATE:
-                               samplerate = g_variant_get_uint64(src->data);
-                               g_debug("cli: got samplerate %"PRIu64" Hz", samplerate);
-#ifdef HAVE_SRD
-                               if (opt_pds) {
-                                       if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE,
-                                                       g_variant_new_uint64(samplerate)) != SRD_OK) {
-                                               g_critical("Failed to pass samplerate to decoder.");
-                                       }
-                               }
-#endif
-                               break;
-                       case SR_CONF_SAMPLE_INTERVAL:
-                               samplerate = g_variant_get_uint64(src->data);
-                               g_debug("cli: got sample interval %"PRIu64" ms", samplerate);
-                               break;
-                       default:
-                               /* Unknown metadata is not an error. */
-                               break;
-                       }
-               }
-               break;
-
-       case SR_DF_TRIGGER:
-               g_debug("cli: received SR_DF_TRIGGER");
-               if (o->format->event)
-                       o->format->event(o, SR_DF_TRIGGER, &output_buf,
-                                        &output_len);
-               triggered = 1;
-               break;
-
-       case SR_DF_LOGIC:
-               logic = packet->payload;
-               g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
-               sample_size = logic->unitsize;
-               if (logic->length == 0)
-                       break;
-
-               /* Don't store any samples until triggered. */
-               if (opt_wait_trigger && !triggered)
-                       break;
-
-               if (limit_samples && received_samples >= limit_samples)
-                       break;
-
-               ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
-                               logic->data, logic->length,
-                               &filter_out, &filter_out_len);
-               if (ret != SR_OK)
-                       break;
-
-               /*
-                * What comes out of the filter is guaranteed to be packed into the
-                * minimum size needed to support the number of samples at this sample
-                * size. however, the driver may have submitted too much. Cut off
-                * the buffer of the last packet according to the sample limit.
-                */
-               if (limit_samples && (received_samples + logic->length / sample_size >
-                               limit_samples * sample_size))
-                       filter_out_len = limit_samples * sample_size - received_samples;
-
-               if (opt_output_file && default_output_format) {
-                       /* Saving to a session file. */
-                       g_byte_array_append(savebuf, filter_out, filter_out_len);
-               } else {
-                       if (opt_pds) {
-#ifdef HAVE_SRD
-                               end_sample = received_samples + filter_out_len / unitsize;
-                               if (srd_session_send(srd_sess, received_samples, end_sample,
-                                               (uint8_t*)filter_out, filter_out_len) != SRD_OK)
-                                       sr_session_stop();
-#endif
-                       } else {
-                               output_len = 0;
-                               if (o->format->data && packet->type == o->format->df_type)
-                                       o->format->data(o, filter_out, filter_out_len,
-                                                       &output_buf, &output_len);
-                               if (output_len) {
-                                       fwrite(output_buf, 1, output_len, outfile);
-                                       fflush(outfile);
-                                       g_free(output_buf);
-                               }
-                       }
-               }
-               g_free(filter_out);
-
-               received_samples += logic->length / sample_size;
-               break;
-
-       case SR_DF_ANALOG:
-               analog = packet->payload;
-               g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
-               if (analog->num_samples == 0)
-                       break;
-
-               if (limit_samples && received_samples >= limit_samples)
-                       break;
-
-               if (o->format->data && packet->type == o->format->df_type) {
-                       o->format->data(o, (const uint8_t *)analog->data,
-                                       analog->num_samples * sizeof(float),
-                                       &output_buf, &output_len);
-                       if (output_buf) {
-                               fwrite(output_buf, 1, output_len, outfile);
-                               fflush(outfile);
-                               g_free(output_buf);
-                       }
-               }
-
-               received_samples += analog->num_samples;
-               break;
-
-       case SR_DF_FRAME_BEGIN:
-               g_debug("cli: received SR_DF_FRAME_BEGIN");
-               if (o->format->event) {
-                       o->format->event(o, SR_DF_FRAME_BEGIN, &output_buf,
-                                        &output_len);
-                       if (output_buf) {
-                               fwrite(output_buf, 1, output_len, outfile);
-                               fflush(outfile);
-                               g_free(output_buf);
-                       }
-               }
-               break;
-
-       case SR_DF_FRAME_END:
-               g_debug("cli: received SR_DF_FRAME_END");
-               if (o->format->event) {
-                       o->format->event(o, SR_DF_FRAME_END, &output_buf,
-                                        &output_len);
-                       if (output_buf) {
-                               fwrite(output_buf, 1, output_len, outfile);
-                               fflush(outfile);
-                               g_free(output_buf);
-                       }
-               }
-               break;
-
-       default:
-               break;
-       }
-
-       if (o && o->format->receive) {
-               if (o->format->receive(o, sdi, packet, &out) == SR_OK && out) {
-                       fwrite(out->str, 1, out->len, outfile);
-                       fflush(outfile);
-                       g_string_free(out, TRUE);
-               }
-       }
-
-       /* SR_DF_END needs to be handled after the output module's receive()
-        * is called, so it can properly clean up that module etc. */
-       if (packet->type == SR_DF_END) {
-               g_debug("cli: Received SR_DF_END");
-
-               if (o->format->event) {
-                       o->format->event(o, SR_DF_END, &output_buf, &output_len);
-                       if (output_buf) {
-                               if (outfile)
-                                       fwrite(output_buf, 1, output_len, outfile);
-                               g_free(output_buf);
-                               output_len = 0;
-                       }
-               }
-
-               if (limit_samples && received_samples < limit_samples)
-                       g_warning("Device only sent %" PRIu64 " samples.",
-                              received_samples);
-
-               if (opt_continuous)
-                       g_warning("Device stopped after %" PRIu64 " samples.",
-                              received_samples);
-
-               g_array_free(logic_probelist, TRUE);
-
-               if (o->format->cleanup)
-                       o->format->cleanup(o);
-               g_free(o);
-               o = NULL;
-
-               if (outfile && outfile != stdout)
-                       fclose(outfile);
-
-               if (opt_output_file && default_output_format && savebuf->len) {
-                       if (sr_session_save(opt_output_file, sdi, savebuf->data,
-                                       unitsize, savebuf->len / unitsize) != SR_OK)
-                               g_critical("Failed to save session.");
-                       g_byte_array_free(savebuf, FALSE);
-               }
-       }
-
-}
-
-#ifdef HAVE_SRD
-static int opts_to_gvar(struct srd_decoder *dec, GHashTable *hash,
-               GHashTable **options)
-{
-       struct srd_decoder_option *o;
-       GSList *optl;
-       GVariant *gvar;
-       gint64 val_int;
-       int ret;
-       char *val_str, *conv;
-
-       ret = TRUE;
-       *options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                       (GDestroyNotify)g_variant_unref);
-
-       for (optl = dec->options; optl; optl = optl->next) {
-               o = optl->data;
-               if (!(val_str = g_hash_table_lookup(hash, o->id)))
-                       /* Not specified. */
-                       continue;
-               if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_STRING)) {
-                       gvar = g_variant_new_string(val_str);
-               } else if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_INT64)) {
-                       val_int = strtoll(val_str, &conv, 0);
-                       if (!conv || conv == val_str) {
-                               g_critical("Protocol decoder '%s' option '%s' "
-                                               "requires a number.", dec->name, o->id);
-                               ret = FALSE;
-                               break;
-                       }
-                       gvar = g_variant_new_int64(val_int);
-               } else {
-                       g_critical("Unsupported type for option '%s' (%s)",
-                                       o->id, g_variant_get_type_string(o->def));
-                       ret = FALSE;
-                       break;
-               }
-               g_variant_ref_sink(gvar);
-               g_hash_table_insert(*options, g_strdup(o->id), gvar);
-               g_hash_table_remove(hash, o->id);
-       }
-
-       return ret;
-}
-
-static int probes_to_gvar(struct srd_decoder *dec, GHashTable *hash,
-               GHashTable **probes)
-{
-       struct srd_probe *p;
-       GSList *all_probes, *l;
-       GVariant *gvar;
-       gint32 val_int;
-       int ret;
-       char *val_str, *conv;
-
-       ret = TRUE;
-       *probes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
-                       (GDestroyNotify)g_variant_unref);
-
-       all_probes = g_slist_copy(dec->probes);
-       all_probes = g_slist_concat(all_probes, g_slist_copy(dec->opt_probes));
-       for (l = all_probes; l; l = l->next) {
-               p = l->data;
-               if (!(val_str = g_hash_table_lookup(hash, p->id)))
-                       /* Not specified. */
-                       continue;
-               val_int = strtoll(val_str, &conv, 10);
-               if (!conv || conv == val_str) {
-                       g_critical("Protocol decoder '%s' probes '%s' "
-                                       "is not a number.", dec->name, p->id);
-                       ret = FALSE;
-                       break;
-               }
-               gvar = g_variant_new_int32(val_int);
-               g_variant_ref_sink(gvar);
-               g_hash_table_insert(*probes, g_strdup(p->id), gvar);
-               g_hash_table_remove(hash, p->id);
-       }
-       g_slist_free(all_probes);
-
-       return ret;
-}
-
-/* Register the given PDs for this session.
- * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
- * That will instantiate two SPI decoders on the clock but different data
- * lines.
- */
-static int register_pds(struct sr_dev *dev, const char *pdstring)
-{
-       struct srd_decoder *dec;
-       GHashTable *pd_opthash, *options, *probes;
-       GList *leftover, *l;
-       struct srd_decoder_inst *di;
-       int ret;
-       char **pdtokens, **pdtok, *pd_name;
-
-       (void)dev;
-
-       pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
-                       g_free, NULL);
-       ret = 0;
-       pd_name = NULL;
-       pd_opthash = options = probes = NULL;
-       pdtokens = g_strsplit(pdstring, ",", 0);
-       for (pdtok = pdtokens; *pdtok; pdtok++) {
-               if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
-                       g_critical("Invalid protocol decoder option '%s'.", *pdtok);
-                       break;
-               }
-
-               pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
-               g_hash_table_remove(pd_opthash, "sigrok_key");
-               if (srd_decoder_load(pd_name) != SRD_OK) {
-                       g_critical("Failed to load protocol decoder %s.", pd_name);
-                       ret = 1;
-                       break;
-               }
-               dec = srd_decoder_get_by_id(pd_name);
-
-               /* Convert decoder option and probe values to GVariant. */
-               if (!opts_to_gvar(dec, pd_opthash, &options)) {
-                       ret = 1;
-                       break;
-               }
-               if (!probes_to_gvar(dec, pd_opthash, &probes)) {
-                       ret = 1;
-                       break;
-               }
-               if (g_hash_table_size(pd_opthash) > 0) {
-                       leftover = g_hash_table_get_keys(pd_opthash);
-                       for (l = leftover; l; l = l->next)
-                               g_critical("Unknown option or probe '%s'", (char *)l->data);
-                       g_list_free(leftover);
-                       break;
-               }
-
-               if (!(di = srd_inst_new(srd_sess, pd_name, options))) {
-                       g_critical("Failed to instantiate protocol decoder %s.", pd_name);
-                       ret = 1;
-                       break;
-               }
-
-               /* If no annotation list was specified, add them all in now.
-                * This will be pared down later to leave only the last PD
-                * in the stack.
-                */
-               if (!opt_pd_annotations)
-                       g_hash_table_insert(pd_ann_visible,
-                                           g_strdup(di->inst_id), GINT_TO_POINTER(-1));
-
-               /* Remap the probes if needed. */
-               if (srd_inst_probe_set_all(di, probes) != SRD_OK) {
-                       ret = 1;
-                       break;
-               }
-       }
-
-       g_strfreev(pdtokens);
-       if (pd_opthash)
-               g_hash_table_destroy(pd_opthash);
-       if (options)
-               g_hash_table_destroy(options);
-       if (probes)
-               g_hash_table_destroy(probes);
-       if (pd_name)
-               g_free(pd_name);
-
-       return ret;
-}
-
-int setup_pd_stack(void)
-{
-       struct srd_decoder_inst *di_from, *di_to;
-       int ret, i;
-       char **pds, **ids;
-
-       /* Set up the protocol decoder stack. */
-       pds = g_strsplit(opt_pds, ",", 0);
-       if (g_strv_length(pds) > 1) {
-               if (opt_pd_stack) {
-                       /* A stack setup was specified, use that. */
-                       g_strfreev(pds);
-                       pds = g_strsplit(opt_pd_stack, ",", 0);
-                       if (g_strv_length(pds) < 2) {
-                               g_strfreev(pds);
-                               g_critical("Specify at least two protocol decoders to stack.");
-                               return 1;
-                       }
-               }
-
-               /* First PD goes at the bottom of the stack. */
-               ids = g_strsplit(pds[0], ":", 0);
-               if (!(di_from = srd_inst_find_by_id(srd_sess, ids[0]))) {
-                       g_strfreev(ids);
-                       g_critical("Cannot stack protocol decoder '%s': "
-                                       "instance not found.", pds[0]);
-                       return 1;
-               }
-               g_strfreev(ids);
-
-               /* Every subsequent PD goes on top. */
-               for (i = 1; pds[i]; i++) {
-                       ids = g_strsplit(pds[i], ":", 0);
-                       if (!(di_to = srd_inst_find_by_id(srd_sess, ids[0]))) {
-                               g_strfreev(ids);
-                               g_critical("Cannot stack protocol decoder '%s': "
-                                               "instance not found.", pds[i]);
-                               return 1;
-                       }
-                       g_strfreev(ids);
-                       if ((ret = srd_inst_stack(srd_sess, di_from, di_to)) != SRD_OK)
-                               return 1;
-
-                       /* Don't show annotation from this PD. Only the last PD in
-                        * the stack will be left on the annotation list (unless
-                        * the annotation list was specifically provided).
-                        */
-                       if (!opt_pd_annotations)
-                               g_hash_table_remove(pd_ann_visible,
-                                                   di_from->inst_id);
-
-                       di_from = di_to;
-               }
-       }
-       g_strfreev(pds);
-
-       return 0;
-}
-
-int setup_pd_annotations(void)
-{
-       GSList *l;
-       struct srd_decoder *dec;
-       int ann_class;
-       char **pds, **pdtok, **keyval, **ann_descr;
-
-       /* Set up custom list of PDs and annotations to show. */
-       pds = g_strsplit(opt_pd_annotations, ",", 0);
-       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
-               keyval = g_strsplit(*pdtok, "=", 0);
-               if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
-                       g_critical("Protocol decoder '%s' not found.", keyval[0]);
-                       return 1;
-               }
-               if (!dec->annotations) {
-                       g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
-                       return 1;
-               }
-               ann_class = 0;
-               if (g_strv_length(keyval) == 2) {
-                       for (l = dec->annotations; l; l = l->next, ann_class++) {
-                               ann_descr = l->data;
-                               if (!canon_cmp(ann_descr[0], keyval[1]))
-                                       /* Found it. */
-                                       break;
-                       }
-                       if (!l) {
-                               g_critical("Annotation '%s' not found "
-                                               "for protocol decoder '%s'.", keyval[1], keyval[0]);
-                               return 1;
-                       }
-                       g_debug("cli: Showing protocol decoder %s annotation "
-                                       "class %d (%s).", keyval[0], ann_class, ann_descr[0]);
-               } else {
-                       /* No class specified: show all of them. */
-                       ann_class = -1;
-                       g_debug("cli: Showing all annotation classes for protocol "
-                                       "decoder %s.", keyval[0]);
-               }
-               g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann_class));
-               g_strfreev(keyval);
-       }
-       g_strfreev(pds);
-
-       return 0;
-}
-
-int setup_pd_meta(void)
-{
-       struct srd_decoder *dec;
-       char **pds, **pdtok;
-
-       pd_meta_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
-                       g_free, NULL);
-       pds = g_strsplit(opt_pd_meta, ",", 0);
-       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
-               if (!(dec = srd_decoder_get_by_id(*pdtok))) {
-                       g_critical("Protocol decoder '%s' not found.", *pdtok);
-                       return 1;
-               }
-               g_debug("cli: Showing protocol decoder meta output from '%s'.", *pdtok);
-               g_hash_table_insert(pd_meta_visible, g_strdup(*pdtok), NULL);
-       }
-       g_strfreev(pds);
-
-       return 0;
-}
-
-int setup_pd_binary(void)
-{
-       GSList *l;
-       struct srd_decoder *dec;
-       int bin_class;
-       char **pds, **pdtok, **keyval, *bin_name;
-
-       pd_binary_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
-                       g_free, NULL);
-       pds = g_strsplit(opt_pd_binary, ",", 0);
-       for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
-               keyval = g_strsplit(*pdtok, "=", 0);
-               if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
-                       g_critical("Protocol decoder '%s' not found.", keyval[0]);
-                       return 1;
-               }
-               if (!dec->binary) {
-                       g_critical("Protocol decoder '%s' has no binary output.", keyval[0]);
-                       return 1;
-               }
-               bin_class = 0;
-               if (g_strv_length(keyval) == 2) {
-                       for (l = dec->binary; l; l = l->next, bin_class++) {
-                               bin_name = l->data;
-                               if (!canon_cmp(bin_name, keyval[1]))
-                                       /* Found it. */
-                                       break;
-                       }
-                       if (!l) {
-                               g_critical("binary output '%s' not found "
-                                               "for protocol decoder '%s'.", keyval[1], keyval[0]);
-                               return 1;
-                       }
-                       g_debug("cli: Showing protocol decoder %s binary class "
-                                       "%d (%s).", keyval[0], bin_class, bin_name);
-               } else {
-                       /* No class specified: output all of them. */
-                       bin_class = -1;
-                       g_debug("cli: Showing all binary classes for protocol "
-                                       "decoder %s.", keyval[0]);
-               }
-               g_hash_table_insert(pd_binary_visible, g_strdup(keyval[0]), GINT_TO_POINTER(bin_class));
-               g_strfreev(keyval);
-       }
-       g_strfreev(pds);
-
-       return 0;
-}
-
-void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
-{
-       struct srd_proto_data_annotation *pda;
-       gpointer ann_format;
-       int format;
-
-       /* 'cb_data' is not used in this specific callback. */
-       (void)cb_data;
-
-       if (!pd_ann_visible)
-               return;
-
-       if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
-                       NULL, &ann_format))
-               /* Not in the list of PDs whose annotations we're showing. */
-               return;
-
-       format = GPOINTER_TO_INT(ann_format);
-       pda = pdata->data;
-       if (format != -1 && pda->ann_format != format)
-               /* We don't want this particular format from the PD. */
-               return;
-
-       if (opt_loglevel > SR_LOG_WARN)
-               printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
-       printf("%s: ", pdata->pdo->proto_id);
-       /* Show only the longest annotation. */
-       printf("\"%s\" ", pda->ann_text[0]);
-       printf("\n");
-       fflush(stdout);
-}
-
-void show_pd_meta(struct srd_proto_data *pdata, void *cb_data)
-{
-
-       /* 'cb_data' is not used in this specific callback. */
-       (void)cb_data;
-
-       if (!g_hash_table_lookup_extended(pd_meta_visible,
-                       pdata->pdo->di->decoder->id, NULL, NULL))
-               /* Not in the list of PDs whose meta output we're showing. */
-               return;
-
-       if (opt_loglevel > SR_LOG_WARN)
-               printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
-       printf("%s: ", pdata->pdo->proto_id);
-       printf("%s: %s", pdata->pdo->meta_name, g_variant_print(pdata->data, FALSE));
-       printf("\n");
-       fflush(stdout);
-}
-
-void show_pd_binary(struct srd_proto_data *pdata, void *cb_data)
-{
-       struct srd_proto_data_binary *pdb;
-       gpointer classp;
-       int class;
-
-       /* 'cb_data' is not used in this specific callback. */
-       (void)cb_data;
-
-       if (!g_hash_table_lookup_extended(pd_binary_visible,
-                       pdata->pdo->di->decoder->id, NULL, (void **)&classp))
-               /* Not in the list of PDs whose meta output we're showing. */
-               return;
-
-       class = GPOINTER_TO_INT(classp);
-       pdb = pdata->data;
-       if (class != -1 && class != pdb->bin_class)
-               /* Not showing this binary class. */
-               return;
-
-       /* Just send the binary output to stdout, no embellishments. */
-       fwrite(pdb->data, pdb->size, 1, stdout);
-       fflush(stdout);
-}
-#endif
-
-int setup_output_format(void)
-{
-       GHashTable *fmtargs;
-       GHashTableIter iter;
-       gpointer key, value;
-       struct sr_output_format **outputs;
-       int i;
-       char *fmtspec;
-
-       if (opt_output_format && !strcmp(opt_output_format, "sigrok")) {
-               /* Doesn't really exist as an output module - this is
-                * the session save mode. */
-               g_free(opt_output_format);
-               opt_output_format = NULL;
-       }
-
-       if (!opt_output_format) {
-               opt_output_format = DEFAULT_OUTPUT_FORMAT;
-               /* we'll need to remember this so when saving to a file
-                * later, sigrok session format will be used.
-                */
-               default_output_format = TRUE;
-       }
-
-       fmtargs = parse_generic_arg(opt_output_format, TRUE);
-       fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
-       if (!fmtspec) {
-               g_critical("Invalid output format.");
-               return 1;
-       }
-       outputs = sr_output_list();
-       for (i = 0; outputs[i]; i++) {
-               if (strcmp(outputs[i]->id, fmtspec))
-                       continue;
-               g_hash_table_remove(fmtargs, "sigrok_key");
-               output_format = outputs[i];
-               g_hash_table_iter_init(&iter, fmtargs);
-               while (g_hash_table_iter_next(&iter, &key, &value)) {
-                       /* only supporting one parameter per output module
-                        * for now, and only its value */
-                       output_format_param = g_strdup(value);
-                       break;
-               }
-               break;
-       }
-       if (!output_format) {
-               g_critical("Invalid output format %s.", opt_output_format);
-               return 1;
-       }
-       g_hash_table_destroy(fmtargs);
-
-       return 0;
-}
-
-static int select_probes(struct sr_dev_inst *sdi)
-{
-       struct sr_probe *probe;
-       GSList *selected_probes, *l;
-
-       if (!opt_probes)
-               return SR_OK;
-
-       if (!(selected_probes = parse_probestring(sdi, opt_probes)))
-               return SR_ERR;
-
-       for (l = sdi->probes; l; l = l->next) {
-               probe = l->data;
-               if (g_slist_find(selected_probes, probe))
-                       probe->enabled = TRUE;
-               else
-                       probe->enabled = FALSE;
-       }
-       g_slist_free(selected_probes);
-
-       return SR_OK;
-}
-
-/**
- * Return the input file format which the CLI tool should use.
- *
- * If the user specified -I / --input-format, use that one. Otherwise, try to
- * autodetect the format as good as possible. Failing that, return NULL.
- *
- * @param filename The filename of the input file. Must not be NULL.
- * @param opt The -I / --input-file option the user specified (or NULL).
- *
- * @return A pointer to the 'struct sr_input_format' that should be used,
- *         or NULL if no input format was selected or auto-detected.
- */
-static struct sr_input_format *determine_input_file_format(
-                       const char *filename, const char *opt)
-{
-       int i;
-       struct sr_input_format **inputs;
-
-       /* If there are no input formats, return NULL right away. */
-       inputs = sr_input_list();
-       if (!inputs) {
-               g_critical("No supported input formats available.");
-               return NULL;
-       }
-
-       /* If the user specified -I / --input-format, use that one. */
-       if (opt) {
-               for (i = 0; inputs[i]; i++) {
-                       if (strcasecmp(inputs[i]->id, opt))
-                               continue;
-                       g_debug("Using user-specified input file format '%s'.",
-                                       inputs[i]->id);
-                       return inputs[i];
-               }
-
-               /* The user specified an unknown input format, return NULL. */
-               g_critical("Error: specified input file format '%s' is "
-                       "unknown.", opt);
-               return NULL;
-       }
-
-       /* Otherwise, try to find an input module that can handle this file. */
-       for (i = 0; inputs[i]; i++) {
-               if (inputs[i]->format_match(filename))
-                       break;
-       }
-
-       /* Return NULL if no input module wanted to touch this. */
-       if (!inputs[i]) {
-               g_critical("Error: no matching input module found.");
-               return NULL;
-       }
-
-       g_debug("cli: Autodetected '%s' input format for file '%s'.",
-               inputs[i]->id, filename);
-               
-       return inputs[i];
-}
-
-static void load_input_file_format(void)
-{
-       GHashTable *fmtargs = NULL;
-       struct stat st;
-       struct sr_input *in;
-       struct sr_input_format *input_format;
-       char *fmtspec = NULL;
-
-       if (opt_input_format) {
-               fmtargs = parse_generic_arg(opt_input_format, TRUE);
-               fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
-       }
-
-       if (!(input_format = determine_input_file_format(opt_input_file,
-                                                  fmtspec))) {
-               /* The exact cause was already logged. */
-               return;
-       }
-
-       if (fmtargs)
-               g_hash_table_remove(fmtargs, "sigrok_key");
-
-       if (stat(opt_input_file, &st) == -1) {
-               g_critical("Failed to load %s: %s", opt_input_file,
-                       strerror(errno));
-               exit(1);
-       }
-
-       /* Initialize the input module. */
-       if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
-               g_critical("Failed to allocate input module.");
-               exit(1);
-       }
-       in->format = input_format;
-       in->param = fmtargs;
-       if (in->format->init) {
-               if (in->format->init(in, opt_input_file) != SR_OK) {
-                       g_critical("Input format init failed.");
-                       exit(1);
-               }
-       }
-
-       if (select_probes(in->sdi) > 0)
-               return;
-
-       sr_session_new();
-       sr_session_datafeed_callback_add(datafeed_in, NULL);
-       if (sr_session_dev_add(in->sdi) != SR_OK) {
-               g_critical("Failed to use device.");
-               sr_session_destroy();
-               return;
-       }
-
-       input_format->loadfile(in, opt_input_file);
-
-       sr_session_destroy();
-
-       if (fmtargs)
-               g_hash_table_destroy(fmtargs);
-}
-
-static void load_input_file(void)
-{
-
-       if (sr_session_load(opt_input_file) == SR_OK) {
-               /* sigrok session file */
-               sr_session_datafeed_callback_add(datafeed_in, NULL);
-               sr_session_start();
-               sr_session_run();
-               sr_session_stop();
-       }
-       else {
-               /* fall back on input modules */
-               load_input_file_format();
-       }
-}
-
-static int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
-{
-       const struct sr_config_info *srci;
-       struct sr_probe_group *pg;
-       GHashTableIter iter;
-       gpointer key, value;
-       int ret;
-       double tmp_double;
-       uint64_t tmp_u64, p, q, low, high;
-       gboolean tmp_bool;
-       GVariant *val, *rational[2], *range[2];
-
-       g_hash_table_iter_init(&iter, args);
-       while (g_hash_table_iter_next(&iter, &key, &value)) {
-               if (!(srci = sr_config_info_name_get(key))) {
-                       g_critical("Unknown device option '%s'.", (char *) key);
-                       return SR_ERR;
-               }
-
-               if ((value == NULL) &&
-                       (srci->datatype != SR_T_BOOL)) {
-                       g_critical("Option '%s' needs a value.", (char *)key);
-                       return SR_ERR;
-               }
-               val = NULL;
-               switch (srci->datatype) {
-               case SR_T_UINT64:
-                       ret = sr_parse_sizestring(value, &tmp_u64);
-                       if (ret != SR_OK)
-                               break;
-                       val = g_variant_new_uint64(tmp_u64);
-                       break;
-               case SR_T_CHAR:
-                       val = g_variant_new_string(value);
-                       break;
-               case SR_T_BOOL:
-                       if (!value)
-                               tmp_bool = TRUE;
-                       else
-                               tmp_bool = sr_parse_boolstring(value);
-                       val = g_variant_new_boolean(tmp_bool);
-                       break;
-               case SR_T_FLOAT:
-                       tmp_double = strtof(value, NULL);
-                       val = g_variant_new_double(tmp_double);
-                       break;
-               case SR_T_RATIONAL_PERIOD:
-                       if ((ret = sr_parse_period(value, &p, &q)) != SR_OK)
-                               break;
-                       rational[0] = g_variant_new_uint64(p);
-                       rational[1] = g_variant_new_uint64(q);
-                       val = g_variant_new_tuple(rational, 2);
-                       break;
-               case SR_T_RATIONAL_VOLT:
-                       if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK)
-                               break;
-                       rational[0] = g_variant_new_uint64(p);
-                       rational[1] = g_variant_new_uint64(q);
-                       val = g_variant_new_tuple(rational, 2);
-                       break;
-               case SR_T_UINT64_RANGE:
-                       if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) {
-                               ret = SR_ERR;
-                               break;
-                       } else {
-                               range[0] = g_variant_new_uint64(low);
-                               range[1] = g_variant_new_uint64(high);
-                               val = g_variant_new_tuple(range, 2);
-                       }
-                       break;
-               default:
-                       ret = SR_ERR;
-               }
-               if (val) {
-                       pg = select_probe_group(sdi);
-                       ret = sr_config_set(sdi, pg, srci->key, val);
-               }
-               if (ret != SR_OK) {
-                       g_critical("Failed to set device option '%s'.", (char *)key);
-                       return ret;
-               }
-       }
-
-       return SR_OK;
-}
-
-static void set_options(void)
-{
-       struct sr_dev_inst *sdi;
-       GSList *devices;
-       GHashTable *devargs;
-
-       if (!opt_config) {
-               g_critical("No setting specified.");
-               return;
-       }
-
-       if (!(devargs = parse_generic_arg(opt_config, FALSE)))
-               return;
-
-       if (!(devices = device_scan())) {
-               g_critical("No devices found.");
-               return;
-       }
-       sdi = devices->data;
-
-       if (sr_dev_open(sdi) != SR_OK) {
-               g_critical("Failed to open device.");
-               return;
-       }
-
-       set_dev_options(sdi, devargs);
-
-       sr_dev_close(sdi);
-       g_slist_free(devices);
-       g_hash_table_destroy(devargs);
-
-}
-
-static int set_limit_time(const struct sr_dev_inst *sdi)
-{
-       GVariant *gvar;
-       uint64_t time_msec;
-       uint64_t samplerate;
-
-       if (!(time_msec = sr_parse_timestring(opt_time))) {
-               g_critical("Invalid time '%s'", opt_time);
-               return SR_ERR;
-       }
-
-       if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
-               gvar = g_variant_new_uint64(time_msec);
-               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) {
-                       g_critical("Failed to configure time limit.");
-                       return SR_ERR;
-               }
-       } else if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
-               /* Convert to samples based on the samplerate.  */
-               sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar);
-               samplerate = g_variant_get_uint64(gvar);
-               g_variant_unref(gvar);
-               limit_samples = (samplerate) * time_msec / (uint64_t)1000;
-               if (limit_samples == 0) {
-                       g_critical("Not enough time at this samplerate.");
-                       return SR_ERR;
-               }
-               gvar = g_variant_new_uint64(limit_samples);
-               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
-                       g_critical("Failed to configure time-based sample limit.");
-                       return SR_ERR;
-               }
-       } else {
-               g_critical("This device does not support time limits.");
-               return SR_ERR;
-       }
-
-       return SR_OK;
-}
-
-static void run_session(void)
-{
-       GSList *devices;
-       GHashTable *devargs;
-       GVariant *gvar;
-       struct sr_dev_inst *sdi;
-       int max_probes, i;
-       char **triggerlist;
-
-       devices = device_scan();
-       if (!devices) {
-               g_critical("No devices found.");
-               return;
-       }
-       if (g_slist_length(devices) > 1) {
-               g_critical("sigrok-cli only supports one device for capturing.");
-               return;
-       }
-       sdi = devices->data;
-
-       sr_session_new();
-       sr_session_datafeed_callback_add(datafeed_in, NULL);
-
-       if (sr_dev_open(sdi) != SR_OK) {
-               g_critical("Failed to open device.");
-               return;
-       }
-
-       if (sr_session_dev_add(sdi) != SR_OK) {
-               g_critical("Failed to add device to session.");
-               sr_session_destroy();
-               return;
-       }
-
-       if (opt_config) {
-               if ((devargs = parse_generic_arg(opt_config, FALSE))) {
-                       if (set_dev_options(sdi, devargs) != SR_OK)
-                               return;
-                       g_hash_table_destroy(devargs);
-               }
-       }
-
-       if (select_probes(sdi) != SR_OK) {
-               g_critical("Failed to set probes.");
-               sr_session_destroy();
-               return;
-       }
-
-       if (opt_triggers) {
-               if (!(triggerlist = sr_parse_triggerstring(sdi, opt_triggers))) {
-                       sr_session_destroy();
-                       return;
-               }
-               max_probes = g_slist_length(sdi->probes);
-               for (i = 0; i < max_probes; i++) {
-                       if (triggerlist[i]) {
-                               sr_dev_trigger_set(sdi, i, triggerlist[i]);
-                               g_free(triggerlist[i]);
-                       }
-               }
-               g_free(triggerlist);
-       }
-
-       if (opt_continuous) {
-               if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
-                       g_critical("This device does not support continuous sampling.");
-                       sr_session_destroy();
-                       return;
-               }
-       }
-
-       if (opt_time) {
-               if (set_limit_time(sdi) != SR_OK) {
-                       sr_session_destroy();
-                       return;
-               }
-       }
-
-       if (opt_samples) {
-               if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
-                       g_critical("Invalid sample limit '%s'.", opt_samples);
-                       sr_session_destroy();
-                       return;
-               }
-               gvar = g_variant_new_uint64(limit_samples);
-               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
-                       g_critical("Failed to configure sample limit.");
-                       sr_session_destroy();
-                       return;
-               }
-       }
-
-       if (opt_frames) {
-               if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
-                       g_critical("Invalid sample limit '%s'.", opt_samples);
-                       sr_session_destroy();
-                       return;
-               }
-               gvar = g_variant_new_uint64(limit_frames);
-               if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
-                       g_critical("Failed to configure frame limit.");
-                       sr_session_destroy();
-                       return;
-               }
-       }
-
-       if (sr_session_start() != SR_OK) {
-               g_critical("Failed to start session.");
-               sr_session_destroy();
-               return;
-       }
-
-       if (opt_continuous)
-               add_anykey();
-
-       sr_session_run();
-
-       if (opt_continuous)
-               clear_anykey();
-
-       sr_session_datafeed_callback_remove_all();
-       sr_session_destroy();
-       g_slist_free(devices);
-
-}
-
-static void logger(const gchar *log_domain, GLogLevelFlags log_level,
-                  const gchar *message, gpointer cb_data)
-{
-       (void)log_domain;
-       (void)cb_data;
-
-       /*
-        * All messages, warnings, errors etc. go to stderr (not stdout) in
-        * order to not mess up the CLI tool data output, e.g. VCD output.
-        */
-       if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
-                       || opt_loglevel > SR_LOG_WARN) {
-               fprintf(stderr, "%s\n", message);
-               fflush(stderr);
-       }
-
-       if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL))
-               exit(1);
-
-}
-
-int main(int argc, char **argv)
-{
-       GOptionContext *context;
-       GError *error;
-       int ret;
-       char *help;
-
-       g_log_set_default_handler(logger, NULL);
-
-       context = g_option_context_new(NULL);
-       g_option_context_add_main_entries(context, optargs, NULL);
-
-       ret = 1;
-       error = NULL;
-       if (!g_option_context_parse(context, &argc, &argv, &error)) {
-               g_critical("%s", error->message);
-               goto done;
-       }
-
-       /* Set the loglevel (amount of messages to output) for libsigrok. */
-       if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
-               goto done;
-
-       if (sr_init(&sr_ctx) != SR_OK)
-               goto done;
-
-#ifdef HAVE_SRD
-       /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
-       if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
-               goto done;
-
-       if (opt_pds) {
-               if (srd_init(NULL) != SRD_OK)
-                       goto done;
-               if (srd_session_new(&srd_sess) != SRD_OK) {
-                       g_critical("Failed to create new decode session.");
-                       goto done;
-               }
-               if (register_pds(NULL, opt_pds) != 0)
-                       goto done;
-               if (setup_pd_stack() != 0)
-                       goto done;
-
-               /* Only one output type is ever shown. */
-               if (opt_pd_binary) {
-                       if (setup_pd_binary() != 0)
-                               goto done;
-                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_BINARY,
-                                       show_pd_binary, NULL) != SRD_OK)
-                               goto done;
-               } else if (opt_pd_meta) {
-                       if (setup_pd_meta() != 0)
-                               goto done;
-                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_META,
-                                       show_pd_meta, NULL) != SRD_OK)
-                               goto done;
-               } else {
-                       if (opt_pd_annotations)
-                               if (setup_pd_annotations() != 0)
-                                       goto done;
-                       if (srd_pd_output_callback_add(srd_sess, SRD_OUTPUT_ANN,
-                                       show_pd_annotations, NULL) != SRD_OK)
-                               goto done;
-               }
-       }
-#endif
-
-       if (setup_output_format() != 0)
-               goto done;
-
-       if (opt_version)
-               show_version();
-       else if (opt_scan_devs)
-               show_dev_list();
-#ifdef HAVE_SRD
-       else if (opt_pds && opt_show)
-               show_pd_detail();
-#endif
-       else if (opt_show)
-               show_dev_detail();
-       else if (opt_input_file)
-               load_input_file();
-       else if (opt_set)
-               set_options();
-       else if (opt_samples || opt_time || opt_frames || opt_continuous)
-               run_session();
-       else {
-               help = g_option_context_get_help(context, TRUE, NULL);
-               printf("%s", help);
-               g_free(help);
-       }
-
-#ifdef HAVE_SRD
-       if (opt_pds)
-               srd_exit();
-#endif
-
-       ret = 0;
-
-done:
-       if (sr_ctx)
-               sr_exit(sr_ctx);
-
-       g_option_context_free(context);
-
-       return ret;
-}
index 3b72791e4774267eeaac2826475dbf72648d086b..32981e3b13949d421e630e1edc1bb84fea0f84dc 100644 (file)
 #ifndef SIGROK_CLI_SIGROK_CLI_H
 #define SIGROK_CLI_SIGROK_CLI_H
 
-/* sigrok-cli.c */
-int num_real_devs(void);
+#include "config.h"
+#include <libsigrok/libsigrok.h>
+#ifdef HAVE_SRD
+#include <libsigrokdecode/libsigrokdecode.h>
+#endif
+
+#define DEFAULT_OUTPUT_FORMAT "bits:width=64"
+
+/* main.c */
+int select_probes(struct sr_dev_inst *sdi);
+
+/* show.c */
+void show_version(void);
+void show_dev_list(void);
+void show_dev_detail(void);
+void show_pd_detail(void);
+
+/* device.c */
+GSList *device_scan(void);
+struct sr_probe_group *select_probe_group(struct sr_dev_inst *sdi);
+
+/* session.c */
+int setup_output_format(void);
+void datafeed_in(const struct sr_dev_inst *sdi,
+               const struct sr_datafeed_packet *packet, void *cb_data);
+int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args);
+void run_session(void);
+
+/* input.c */
+void load_input_file(void);
+
+/* decode.c */
+int register_pds(const char *pdstring);
+int setup_pd_stack(void);
+int setup_pd_annotations(void);
+int setup_pd_meta(void);
+int setup_pd_binary(void);
+void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data);
+void show_pd_meta(struct srd_proto_data *pdata, void *cb_data);
+void show_pd_binary(struct srd_proto_data *pdata, void *cb_data);
 
 /* parsers.c */
 GSList *parse_probestring(struct sr_dev_inst *sdi, const char *probestring);
 GHashTable *parse_generic_arg(const char *arg, gboolean sep_first);
-struct sr_dev *parse_devstring(const char *devstring);
-uint64_t sr_parse_timestring(const char *timestring);
-char *strcanon(const char *str);
 int canon_cmp(const char *str1, const char *str2);
 
 /* anykey.c */