]> sigrok.org Git - libsigrok.git/blobdiff - output/text/text.c
Rename 'struct sr_probe' to 'struct sr_channel' everywhere.
[libsigrok.git] / output / text / text.c
index 84e41e45b7ce7fc757dcd78308959b51faa30979..54350b88ffcc5de394108eb4f56cff824d5b15f3 100644 (file)
@@ -1,7 +1,7 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
- * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
  * Copyright (C) 2011 HÃ¥vard Espeland <gus@ping.uio.no>
  *
  * This program is free software: you can redistribute it and/or modify
 #include <stdio.h>
 #include <string.h>
 #include <glib.h>
-#include <sigrok.h>
-#include "config.h"
+#include "config.h" /* Needed for PACKAGE_STRING and others. */
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
 #include "text.h"
 
+#define LOG_PREFIX "output/text"
 
-void flush_linebufs(struct context *ctx, char *outbuf)
+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++) {
-               sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len,
-                       ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len);
+       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,
+                       probe_name, ctx->linebuf + i * ctx->linebuf_len);
        }
 
        /* Mark trigger with a ^ character. */
@@ -57,110 +64,157 @@ void flush_linebufs(struct context *ctx, char *outbuf)
                if (ctx->mode == MODE_ASCII)
                        space_offset = 0;
 
-               sprintf(outbuf + strlen(outbuf), "T:%*s^\n",
-                       ctx->mark_trigger + space_offset, "");
+               sprintf((char *)outbuf + strlen((const char *)outbuf),
+                       "T:%*s^\n", ctx->mark_trigger + space_offset, "");
        }
 
        memset(ctx->linebuf, 0, i * ctx->linebuf_len);
 }
 
-int init(struct output *o, int default_spl, enum outputmode mode)
+SR_PRIV int init(struct sr_output *o, int default_spl, enum outputmode mode)
 {
        struct context *ctx;
-       struct probe *probe;
+       struct sr_channel *probe;
        GSList *l;
+       GVariant *gvar;
        uint64_t samplerate;
-       int num_probes;
+       int num_probes, ret;
        char *samplerate_s;
 
-       if (!(ctx = calloc(1, sizeof(struct context))))
-               return SIGROK_ERR_MALLOC;
+       if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
+               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->device->probes; l; l = l->next) {
+       for (l = o->sdi->probes; l; l = l->next) {
                probe = l->data;
+               if (probe->type != SR_PROBE_LOGIC)
+                       continue;
                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;
        ctx->mark_trigger = -1;
        ctx->mode = mode;
 
+       ret = SR_OK;
        if (o->param && o->param[0]) {
                ctx->samples_per_line = strtoul(o->param, NULL, 10);
-               if (ctx->samples_per_line < 1)
-                       return SIGROK_ERR;
+               if (ctx->samples_per_line < 1) {
+                       ret = SR_ERR;
+                       goto err;
+               }
        } else
                ctx->samples_per_line = default_spl;
 
-       if (!(ctx->header = malloc(512))) {
-               free(ctx);
-               return SIGROK_ERR_MALLOC;
+       if (!(ctx->header = g_try_malloc0(512))) {
+               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->device->probes);
-       if (o->device->plugin) {
-               samplerate = *((uint64_t *) o->device->plugin->get_device_info(
-                               o->device->plugin_index, DI_CUR_SAMPLERATE));
-               if (!(samplerate_s = sigrok_samplerate_string(samplerate))) {
-                       free(ctx->header);
-                       free(ctx);
-                       return SIGROK_ERR;
+       num_probes = g_slist_length(o->sdi->probes);
+       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;
                }
                snprintf(ctx->header + strlen(ctx->header),
                         511 - strlen(ctx->header),
                         "Acquisition with %d/%d probes at %s\n",
                         ctx->num_enabled_probes, num_probes, samplerate_s);
-               free(samplerate_s);
+               g_free(samplerate_s);
        }
 
        ctx->linebuf_len = ctx->samples_per_line * 2 + 4;
-       if (!(ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len))) {
-               free(ctx->header);
-               free(ctx);
-               return SIGROK_ERR_MALLOC;
+       if (!(ctx->linebuf = g_try_malloc0(num_probes * ctx->linebuf_len))) {
+               sr_err("%s: ctx->linebuf malloc failed", __func__);
+               ret = SR_ERR_MALLOC;
+               goto err;
+       }
+
+       if (!(ctx->linevalues = g_try_malloc0(num_probes))) {
+               sr_err("%s: ctx->linevalues malloc failed", __func__);
+               ret = SR_ERR_MALLOC;
        }
-       if (!(ctx->linevalues = calloc(1, num_probes))) {
-               free(ctx->header);
-               free(ctx);
-               return SIGROK_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;
+       }
+
+err:
+       if (ret != SR_OK) {
+               g_free(ctx->header);
+               g_free(ctx);
        }
 
-       return SIGROK_OK;
+       return ret;
+}
+
+SR_PRIV int text_cleanup(struct sr_output *o)
+{
+       struct context *ctx;
+
+       if (!o)
+               return SR_ERR_ARG;
+
+       ctx = o->internal;
+
+       g_free(ctx->header);
+       g_free(ctx->linebuf);
+       g_free(ctx->linevalues);
+
+       if (ctx->prevsample)
+               g_free(ctx->prevsample);
+
+       g_slist_free(ctx->probenames);
+
+       g_free(ctx);
+
+       o->internal = NULL;
+
+       return SR_OK;
 }
 
-int event(struct output *o, int event_type, char **data_out,
-                uint64_t *length_out)
+SR_PRIV int event(struct sr_output *o, int event_type, uint8_t **data_out,
+                 uint64_t *length_out)
 {
        struct context *ctx;
        int outsize;
-       char *outbuf;
+       uint8_t *outbuf;
 
        ctx = o->internal;
        switch (event_type) {
-       case DF_TRIGGER:
+       case SR_DF_TRIGGER:
                ctx->mark_trigger = ctx->spl_cnt;
                *data_out = NULL;
                *length_out = 0;
                break;
-       case DF_END:
+       case SR_DF_END:
                outsize = ctx->num_enabled_probes
                                * (ctx->samples_per_line + 20) + 512;
-               if (!(outbuf = calloc(1, outsize)))
-                       return SIGROK_ERR_MALLOC;
+               if (!(outbuf = g_try_malloc0(outsize))) {
+                       sr_err("%s: outbuf malloc failed", __func__);
+                       return SR_ERR_MALLOC;
+               }
                flush_linebufs(ctx, outbuf);
                *data_out = outbuf;
-               *length_out = strlen(outbuf);
-               free(o->internal);
-               o->internal = NULL;
+               *length_out = strlen((const char *)outbuf);
                break;
        default:
                *data_out = NULL;
@@ -168,6 +222,5 @@ int event(struct output *o, int event_type, char **data_out,
                break;
        }
 
-       return SIGROK_OK;
+       return SR_OK;
 }
-