probe_groups: API changes required to implement probe groups.

[libsigrok.git] / output / text / text.c

diff --git a/output/text/text.c b/output/text/text.c
index 6462cb9edb34d739f0523e71fb9d50d08cc4f958..9be3397400f41c56c384c9bc8874d23337946ab0 100644 (file)
--- a/output/text/text.c
+++ b/output/text/text.c
@@ -1,7 +1,7 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
  * Copyright (C) 2011 Håvard Espeland <gus@ping.uio.no>
  *
  * This program is free software: you can redistribute it and/or modify
@@ -22,32 +22,45 @@
 #include <stdio.h>
 #include <string.h>
 #include <glib.h>
-#include "config.h"
+#include "config.h" /* Needed for PACKAGE_STRING and others. */
 #include "libsigrok.h"
 #include "libsigrok-internal.h"
 #include "text.h"
 
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "output/text: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+
 SR_PRIV void flush_linebufs(struct context *ctx, uint8_t *outbuf)
 {
        static int max_probename_len = 0;
        int len, i;
+       GSList *l;
+       char *probe_name;
 
        if (ctx->linebuf[0] == 0)
                return;
 
        if (max_probename_len == 0) {
                /* First time through... */
-               for (i = 0; ctx->probelist[i]; i++) {
-                       len = strlen(ctx->probelist[i]);
+               for (l = ctx->probenames; l; l = l->next) {
+                       probe_name = l->data;
+                       len = strlen(probe_name);
                        if (len > max_probename_len)
                                max_probename_len = len;
                }
        }
 
-       for (i = 0; ctx->probelist[i]; i++) {
+       for (i = 0, l = ctx->probenames; l; l = l->next, i++) {
+               probe_name = l->data;
                sprintf((char *)outbuf + strlen((const char *)outbuf),
                        "%*s:%s\n", max_probename_len,
-                       ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len);
+                       probe_name, ctx->linebuf + i * ctx->linebuf_len);
        }
 
        /* Mark trigger with a ^ character. */
@@ -70,26 +83,28 @@ SR_PRIV int init(struct sr_output *o, int default_spl, enum outputmode mode)
        struct context *ctx;
        struct sr_probe *probe;
        GSList *l;
-       uint64_t *samplerate;
+       GVariant *gvar;
+       uint64_t samplerate;
        int num_probes, ret;
        char *samplerate_s;
 
        if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
-               sr_err("text out: %s: ctx malloc failed", __func__);
+               sr_err("%s: ctx malloc failed", __func__);
                return SR_ERR_MALLOC;
        }
 
        o->internal = ctx;
        ctx->num_enabled_probes = 0;
+       ctx->probenames = NULL;
 
        for (l = o->sdi->probes; l; l = l->next) {
                probe = l->data;
                if (!probe->enabled)
                        continue;
-               ctx->probelist[ctx->num_enabled_probes++] = probe->name;
+               ctx->probenames = g_slist_append(ctx->probenames, probe->name);
+               ctx->num_enabled_probes++;
        }
 
-       ctx->probelist[ctx->num_enabled_probes] = 0;
        ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
        ctx->line_offset = 0;
        ctx->spl_cnt = 0;
@@ -107,19 +122,18 @@ SR_PRIV int init(struct sr_output *o, int default_spl, enum outputmode mode)
                ctx->samples_per_line = default_spl;
 
        if (!(ctx->header = g_try_malloc0(512))) {
-               sr_err("text out: %s: ctx->header malloc failed", __func__);
+               sr_err("%s: ctx->header malloc failed", __func__);
                ret = SR_ERR_MALLOC;
                goto err;
        }
 
        snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING);
        num_probes = g_slist_length(o->sdi->probes);
-       if (o->sdi->driver || sr_dev_has_hwcap(o->sdi, SR_HWCAP_SAMPLERATE)) {
-               ret = o->sdi->driver->info_get(SR_DI_CUR_SAMPLERATE,
-                               (const void **)&samplerate, o->sdi);
-               if (ret != SR_OK)
-                       goto err;
-               if (!(samplerate_s = sr_samplerate_string(*samplerate))) {
+       if (sr_config_get(o->sdi->driver, o->sdi, NULL, SR_CONF_SAMPLERATE,
+                       &gvar) == SR_OK) {
+               samplerate = g_variant_get_uint64(gvar);
+               g_variant_unref(gvar);
+               if (!(samplerate_s = sr_samplerate_string(samplerate))) {
                        ret = SR_ERR;
                        goto err;
                }
@@ -132,13 +146,19 @@ SR_PRIV int init(struct sr_output *o, int default_spl, enum outputmode mode)
 
        ctx->linebuf_len = ctx->samples_per_line * 2 + 4;
        if (!(ctx->linebuf = g_try_malloc0(num_probes * ctx->linebuf_len))) {
-               sr_err("text out: %s: ctx->linebuf malloc failed", __func__);
+               sr_err("%s: ctx->linebuf malloc failed", __func__);
                ret = SR_ERR_MALLOC;
                goto err;
        }
 
        if (!(ctx->linevalues = g_try_malloc0(num_probes))) {
-               sr_err("text out: %s: ctx->linevalues malloc failed", __func__);
+               sr_err("%s: ctx->linevalues malloc failed", __func__);
+               ret = SR_ERR_MALLOC;
+       }
+
+       if (mode == MODE_ASCII &&
+                       !(ctx->prevsample = g_try_malloc0(num_probes / 8))) {
+               sr_err("%s: ctx->prevsample malloc failed", __func__);
                ret = SR_ERR_MALLOC;
        }
 
@@ -169,7 +189,7 @@ SR_PRIV int event(struct sr_output *o, int event_type, uint8_t **data_out,
                outsize = ctx->num_enabled_probes
                                * (ctx->samples_per_line + 20) + 512;
                if (!(outbuf = g_try_malloc0(outsize))) {
-                       sr_err("text out: %s: outbuf malloc failed", __func__);
+                       sr_err("%s: outbuf malloc failed", __func__);
                        return SR_ERR_MALLOC;
                }
                flush_linebufs(ctx, outbuf);