X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=input%2Fvcd.c;h=73096b596451375ca7f9cda60eaeb06413406635;hb=695d0e1efa819dc98914ce1baec388c8734e98a7;hp=a9963f7e7682dc136575f785f9471f2e439b7d61;hpb=4afdfd4628e9955af02a3ea619ecdfe469f9a9e2;p=libsigrok.git diff --git a/input/vcd.c b/input/vcd.c index a9963f7e..73096b59 100644 --- a/input/vcd.c +++ b/input/vcd.c @@ -1,5 +1,5 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * * Copyright (C) 2012 Petteri Aimonen * @@ -173,18 +173,20 @@ struct context int downsample; unsigned compress; int64_t skip; - struct probe probes[SR_MAX_NUM_PROBES]; + GSList *probes; }; +static void free_probe(void *data) +{ + struct probe *probe = data; + g_free(probe->name); + g_free(probe->identifier); + g_free(probe); +} + static void release_context(struct context *ctx) { - int i; - for (i = 0; i < ctx->probecount; i++) - { - g_free(ctx->probes[i].name); ctx->probes[i].name = NULL; - g_free(ctx->probes[i].identifier); ctx->probes[i].identifier = NULL; - } - + g_slist_free_full(ctx->probes, free_probe); g_free(ctx); } @@ -211,8 +213,10 @@ static void remove_empty_parts(gchar **parts) */ static gboolean parse_header(FILE *file, struct context *ctx) { + uint64_t p, q; gchar *name = NULL, *contents = NULL; gboolean status = FALSE; + struct probe *probe; while (parse_section(file, &name, &contents)) { @@ -227,15 +231,14 @@ static gboolean parse_header(FILE *file, struct context *ctx) { /* The standard allows for values 1, 10 or 100 * and units s, ms, us, ns, ps and fs. */ - struct sr_rational period; - if (sr_parse_period(contents, &period) == SR_OK) + if (sr_parse_period(contents, &p, &q) == SR_OK) { - ctx->samplerate = period.q / period.p; - if (period.q % period.p != 0) + ctx->samplerate = q / p; + if (q % p != 0) { /* Does not happen unless time value is non-standard */ sr_warn("Inexact rounding of samplerate, %" PRIu64 " / %" PRIu64 " to %" PRIu64 " Hz.", - period.q, period.p, ctx->samplerate); + q, p, ctx->samplerate); } sr_dbg("Samplerate: %" PRIu64, ctx->samplerate); @@ -270,8 +273,10 @@ static gboolean parse_header(FILE *file, struct context *ctx) else { sr_info("Probe %d is '%s' identified by '%s'.", ctx->probecount, parts[3], parts[2]); - ctx->probes[ctx->probecount].identifier = g_strdup(parts[2]); - ctx->probes[ctx->probecount].name = g_strdup(parts[3]); + probe = g_malloc(sizeof(struct probe)); + probe->identifier = g_strdup(parts[2]); + probe->name = g_strdup(parts[3]); + ctx->probes = g_slist_append(ctx->probes, probe); ctx->probecount++; } @@ -311,7 +316,7 @@ static int format_match(const char *filename) return status; } -static int init(struct sr_input *in) +static int init(struct sr_input *in, const char *filename) { struct sr_probe *probe; int num_probes, i; @@ -319,6 +324,8 @@ static int init(struct sr_input *in) char *param; struct context *ctx; + (void)filename; + if (!(ctx = g_try_malloc0(sizeof(*ctx)))) { sr_err("Input format context malloc failed."); return SR_ERR_MALLOC; @@ -497,6 +504,9 @@ static void parse_contents(FILE *file, const struct sr_dev_inst *sdi, struct con { /* A new 1-bit sample value */ int i, bit; + GSList *l; + struct probe *probe; + bit = (token->str[0] == '1'); g_string_erase(token, 0, 1); @@ -509,9 +519,11 @@ static void parse_contents(FILE *file, const struct sr_dev_inst *sdi, struct con read_until(file, token, 'W'); } - for (i = 0; i < ctx->probecount; i++) + for (i = 0, l = ctx->probes; i < ctx->probecount && l; i++, l = l->next) { - if (g_strcmp0(token->str, ctx->probes[i].identifier) == 0) + probe = l->data; + + if (g_strcmp0(token->str, probe->identifier) == 0) { sr_dbg("Probe %d new value %d.", i, bit); @@ -569,9 +581,10 @@ static int loadfile(struct sr_input *in, const char *filename) packet.type = SR_DF_META; packet.payload = &meta; samplerate = ctx->samplerate / ctx->downsample; - src = sr_config_make(SR_CONF_SAMPLERATE, (const void *)&samplerate); + src = sr_config_new(SR_CONF_SAMPLERATE, g_variant_new_uint64(samplerate)); meta.config = g_slist_append(NULL, src); sr_session_send(in->sdi, &packet); + sr_config_free(src); /* Parse the contents of the VCD file */ parse_contents(file, in->sdi, ctx);