X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fvcd.c;h=44a12dec37a8c2e2265ea499d4410d61443d5ac3;hb=2b399703d10dedfbed1f6b13070e0c3f5fd9938b;hp=90493f05b88540e3f5e976c544b6b2fc6a5d95bc;hpb=a1be7b6c3f1f00644bdae96317f14b99fe31cf3d;p=libsigrok.git diff --git a/output/vcd.c b/output/vcd.c index 90493f05..44a12dec 100644 --- a/output/vcd.c +++ b/output/vcd.c @@ -26,14 +26,7 @@ #include "libsigrok.h" #include "libsigrok-internal.h" -/* Message logging helpers with driver-specific prefix string. */ -#define DRIVER_LOG_DOMAIN "output/vcd: " -#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) -#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) -#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) -#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) -#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) -#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) +#define LOG_PREFIX "output/vcd" struct context { int num_enabled_probes; @@ -69,6 +62,8 @@ static int init(struct sr_output *o) for (l = o->sdi->probes; l; l = l->next) { probe = l->data; + if (probe->type != SR_PROBE_LOGIC) + continue; if (!probe->enabled) continue; ctx->probeindices = g_array_append_val( @@ -95,19 +90,18 @@ static int init(struct sr_output *o) g_string_append_printf(ctx->header, "$version %s %s $end\n", PACKAGE, PACKAGE_VERSION); - if (o->sdi->driver && sr_dev_has_option(o->sdi, SR_CONF_SAMPLERATE)) { - o->sdi->driver->config_get(SR_CONF_SAMPLERATE, &gvar, o->sdi); + if (sr_config_get(o->sdi->driver, o->sdi, NULL, SR_CONF_SAMPLERATE, + &gvar) == SR_OK) { ctx->samplerate = g_variant_get_uint64(gvar); + g_variant_unref(gvar); if (!((samplerate_s = sr_samplerate_string(ctx->samplerate)))) { g_string_free(ctx->header, TRUE); g_free(ctx); - g_variant_unref(gvar); return SR_ERR; } g_string_append_printf(ctx->header, vcd_header_comment, ctx->num_enabled_probes, num_probes, samplerate_s); g_free(samplerate_s); - g_variant_unref(gvar); } /* timescale */ @@ -132,6 +126,8 @@ static int init(struct sr_output *o) /* Wires / channels */ for (i = 0, l = o->sdi->probes; l; l = l->next, i++) { probe = l->data; + if (probe->type != SR_PROBE_LOGIC) + continue; if (!probe->enabled) continue; g_string_append_printf(ctx->header, "$var wire 1 %c %s $end\n", @@ -151,12 +147,11 @@ static int init(struct sr_output *o) return SR_OK; } -static GString *receive(struct sr_output *o, const struct sr_dev_inst *sdi, - const struct sr_datafeed_packet *packet) +static int receive(struct sr_output *o, const struct sr_dev_inst *sdi, + const struct sr_datafeed_packet *packet, GString **out) { const struct sr_datafeed_logic *logic; struct context *ctx; - GString *text; unsigned int i; int p, curbit, prevbit, index; uint8_t *sample; @@ -164,23 +159,23 @@ static GString *receive(struct sr_output *o, const struct sr_dev_inst *sdi, (void)sdi; + *out = NULL; if (!o || !o->internal) - return NULL; + return SR_ERR_ARG; ctx = o->internal; if (packet->type == SR_DF_END) { - text = g_string_sized_new(16); - g_string_printf(text, "$dumpoff\n$end\n"); - return text; + *out = g_string_new("$dumpoff\n$end\n"); + return SR_OK; } else if (packet->type != SR_DF_LOGIC) - return NULL; + return SR_OK; if (ctx->header) { /* The header is still here, this must be the first packet. */ - text = ctx->header; + *out = ctx->header; ctx->header = NULL; } else { - text = g_string_sized_new(512); + *out = g_string_sized_new(512); } logic = packet->payload; @@ -192,14 +187,14 @@ static GString *receive(struct sr_output *o, const struct sr_dev_inst *sdi, for (p = 0; p < ctx->num_enabled_probes; p++) { index = g_array_index(ctx->probeindices, int, p); curbit = (sample[p / 8] & (((uint8_t) 1) << index)) >> index; - prevbit = (ctx->prevsample[p / 8] & (((uint64_t) 1) << index)) >> index; + prevbit = (ctx->prevsample[p / 8] & (((uint8_t) 1) << index)) >> index; /* VCD only contains deltas/changes of signals. */ if (prevbit == curbit) continue; /* Output which signal changed to which value. */ - g_string_append_printf(text, "#%" PRIu64 "\n%i%c\n", + g_string_append_printf(*out, "#%" PRIu64 "\n%i%c\n", (uint64_t)(((float)samplecount / ctx->samplerate) * ctx->period), curbit, (char)('!' + p)); } @@ -207,7 +202,7 @@ static GString *receive(struct sr_output *o, const struct sr_dev_inst *sdi, memcpy(ctx->prevsample, sample, ctx->unitsize); } - return text; + return SR_OK; } static int cleanup(struct sr_output *o) @@ -228,6 +223,6 @@ struct sr_output_format output_vcd = { .description = "Value Change Dump (VCD)", .df_type = SR_DF_LOGIC, .init = init, - .recv = receive, + .receive = receive, .cleanup = cleanup, };