]> sigrok.org Git - sigrok-cli.git/blobdiff - decode.c
README: Drop trailing whitespace.
[sigrok-cli.git] / decode.c
index cadd5ea74807092a6e2e1ec652403057f7b04db8..2bcc0ae13f53306a2743abc7e692695523a5eff9 100644 (file)
--- a/decode.c
+++ b/decode.c
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
 #include "sigrok-cli.h"
-#include "config.h"
 
 #ifdef HAVE_SRD
 static GHashTable *pd_ann_visible = NULL;
@@ -109,26 +109,20 @@ static GHashTable *extract_channel_map(struct srd_decoder *dec, GHashTable *hash
        return channel_map;
 }
 
-/*
- * 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 *opt_pds, char *opt_pd_annotations)
+static int register_pd(char *opt_pds, char *opt_pd_annotations)
 {
+       int ret;
        struct srd_decoder *dec;
+       struct srd_decoder_inst *di, *di_prior;
+       char **pdtokens, **pdtok, *pd_name;
        GHashTable *pd_opthash, *options, *channels;
        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_str_equal,
-                                              g_free, NULL);
        ret = 0;
        pd_name = NULL;
-       pd_opthash = options = channels = pd_channel_maps = NULL;
+       di_prior = NULL;
+       pd_opthash = options = channels = NULL;
+
        pdtokens = g_strsplit(opt_pds, ",", 0);
        for (pdtok = pdtokens; *pdtok; pdtok++) {
                if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
@@ -175,8 +169,6 @@ int register_pds(const char *opt_pds, char *opt_pd_annotations)
                         * Save the channel setup for later, but only on the
                         * first decoder (stacked decoders don't get channels).
                         */
-                       pd_channel_maps = g_hash_table_new_full(g_str_hash,
-                                       g_str_equal, g_free, (GDestroyNotify)g_hash_table_destroy);
                        g_hash_table_insert(pd_channel_maps, g_strdup(di->inst_id), channels);
                        channels = NULL;
                }
@@ -186,20 +178,57 @@ int register_pds(const char *opt_pds, char *opt_pd_annotations)
                 * 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),
+               if (!opt_pd_annotations) {
+                       g_hash_table_insert(pd_ann_visible, g_strdup(di->decoder->id),
                                        g_slist_append(NULL, GINT_TO_POINTER(-1)));
+               }
+               if (di_prior) {
+                       if (srd_inst_stack(srd_sess, di_prior, di) != SRD_OK) {
+                               g_critical("Failed to stack %s -> %s.",
+                                       di_prior->inst_id, di->inst_id);
+                               ret = 1;
+                               break;
+                       }
+                       /* Remove annotations from prior levels. */
+                       if (!opt_pd_annotations)
+                               g_hash_table_remove(pd_ann_visible, di_prior->inst_id);
+               }
+               di_prior = di;
+               g_free(pd_name);
+               g_hash_table_destroy(pd_opthash);
+               g_hash_table_destroy(options);
+               pd_opthash = options = NULL;
        }
 
-       g_strfreev(pdtokens);
        if (pd_opthash)
                g_hash_table_destroy(pd_opthash);
        if (options)
                g_hash_table_destroy(options);
        if (channels)
                g_hash_table_destroy(channels);
-       if (pd_name)
-               g_free(pd_name);
+
+       g_strfreev(pdtokens);
+
+       return ret;
+}
+
+/*
+ * Register all the PDs from all stacks.
+ *
+ * Each PD string is a single stack such as "uart:baudrate=19200,modbus".
+ */
+int register_pds(gchar **all_pds, char *opt_pd_annotations)
+{
+       int ret;
+
+       ret = 0;
+       pd_ann_visible = g_hash_table_new_full(g_str_hash, g_str_equal,
+                                              g_free, NULL);
+       pd_channel_maps = g_hash_table_new_full(g_str_hash,
+               g_str_equal, g_free, (GDestroyNotify)g_hash_table_destroy);
+
+       for (int i = 0; all_pds[i]; i++)
+               ret += register_pd(all_pds[i], opt_pd_annotations);
 
        return ret;
 }
@@ -215,7 +244,6 @@ static void map_pd_inst_channels(void *key, void *value, void *user_data)
        void *channel_target;
        struct sr_channel *ch;
        GHashTableIter iter;
-       int num_channels;
 
        channel_map = value;
        channel_list = user_data;
@@ -246,8 +274,8 @@ static void map_pd_inst_channels(void *key, void *value, void *user_data)
                g_hash_table_insert(channel_indices, g_strdup(channel_id), var);
        }
 
-       num_channels = g_slist_length(channel_list);
-       srd_inst_channel_set_all(di, channel_indices, (num_channels + 7) / 8);
+       srd_inst_channel_set_all(di, channel_indices);
+       g_hash_table_destroy(channel_indices);
 }
 
 void map_pd_channels(struct sr_dev_inst *sdi)
@@ -264,65 +292,6 @@ void map_pd_channels(struct sr_dev_inst *sdi)
        }
 }
 
-int setup_pd_stack(char *opt_pds, char *opt_pd_stack, char *opt_pd_annotations)
-{
-       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(char *opt_pd_annotations)
 {
        GSList *l, *l_ann;
@@ -461,10 +430,11 @@ void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
        if (!pd_ann_visible)
                return;
 
-       if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
-                       NULL, (void **)&ann_list))
+       if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->decoder->id,
+                       NULL, (void **)&ann_list)) {
                /* Not in the list of PDs whose annotations we're showing. */
                return;
+       }
 
        dec = pdata->pdo->di->decoder;
        pda = pdata->data;
@@ -481,12 +451,12 @@ void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
 
        if (opt_loglevel <= SR_LOG_WARN) {
                /* Show only the longest annotation. */
-               printf("%s", pda->ann_text[0]);
+               printf("%s: %s", pdata->pdo->proto_id, pda->ann_text[0]);
        } else if (opt_loglevel >= SR_LOG_INFO) {
                /* Sample numbers and quotes around the longest annotation. */
                printf("%"PRIu64"-%"PRIu64"", pdata->start_sample, pdata->end_sample);
                if (opt_loglevel == SR_LOG_INFO) {
-                       printf(" \"%s\"", pda->ann_text[0]);
+                       printf(" %s \"%s\"", pdata->pdo->proto_id, pda->ann_text[0]);
                } else {
                        /* Protocol decoder id, annotation class,
                         * all annotation strings. */