X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fcsv.c;fp=output%2Fcsv.c;h=0000000000000000000000000000000000000000;hb=155b680da482cea2381becb73c51cfb838bff31e;hp=d17969e8279db59b83599b179e5c818193b1f0a9;hpb=43cd4637285833706f8a404ca027bcf0ee75b9ae;p=libsigrok.git diff --git a/output/csv.c b/output/csv.c deleted file mode 100644 index d17969e8..00000000 --- a/output/csv.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2011 Uwe Hermann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include "config.h" /* Needed for PACKAGE_STRING and others. */ -#include "libsigrok.h" -#include "libsigrok-internal.h" - -#define LOG_PREFIX "output/csv" - -struct context { - unsigned int num_enabled_channels; - uint64_t samplerate; - char separator; - gboolean header_done; - int *channel_index; -}; - -/* - * TODO: - * - Option to specify delimiter character and/or string. - * - Option to (not) print metadata as comments. - * - Option to specify the comment character(s), e.g. # or ; or C/C++-style. - * - Option to (not) print samplenumber / time as extra column. - * - Option to "compress" output (only print changed samples, VCD-like). - * - Option to print comma-separated bits, or whole bytes/words (for 8/16 - * channel LAs) as ASCII/hex etc. etc. - * - Trigger support. - */ - -static int init(struct sr_output *o) -{ - struct context *ctx; - struct sr_channel *ch; - GSList *l; - int i; - - if (!o || !o->sdi) - return SR_ERR_ARG; - - ctx = g_malloc0(sizeof(struct context)); - o->internal = ctx; - ctx->separator = ','; - - /* Get the number of channels, and the unitsize. */ - for (l = o->sdi->channels; l; l = l->next) { - ch = l->data; - if (ch->type != SR_CHANNEL_LOGIC) - continue; - if (!ch->enabled) - continue; - ctx->num_enabled_channels++; - } - ctx->channel_index = g_malloc(sizeof(int) * ctx->num_enabled_channels); - - /* Once more to map the enabled channels. */ - for (i = 0, l = o->sdi->channels; l; l = l->next) { - ch = l->data; - if (ch->type != SR_CHANNEL_LOGIC) - continue; - if (!ch->enabled) - continue; - ctx->channel_index[i++] = ch->index; - } - - return SR_OK; -} - -static GString *gen_header(struct sr_output *o) -{ - struct context *ctx; - struct sr_channel *ch; - GVariant *gvar; - GString *header; - GSList *l; - time_t t; - int num_channels, i; - char *samplerate_s; - - ctx = o->internal; - header = g_string_sized_new(512); - - /* Some metadata */ - t = time(NULL); - g_string_append_printf(header, "; CSV, generated by %s on %s", - PACKAGE_STRING, ctime(&t)); - - /* Columns / channels */ - num_channels = g_slist_length(o->sdi->channels); - g_string_append_printf(header, "; Channels (%d/%d):", - ctx->num_enabled_channels, num_channels); - for (i = 0, l = o->sdi->channels; l; l = l->next, i++) { - ch = l->data; - if (ch->type != SR_CHANNEL_LOGIC) - continue; - if (!ch->enabled) - continue; - g_string_append_printf(header, " %s,", ch->name); - } - if (o->sdi->channels) - /* Drop last separator. */ - g_string_truncate(header, header->len - 1); - g_string_append_printf(header, "\n"); - - if (ctx->samplerate == 0) { - 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 (ctx->samplerate != 0) { - samplerate_s = sr_samplerate_string(ctx->samplerate); - g_string_append_printf(header, "; Samplerate: %s\n", samplerate_s); - g_free(samplerate_s); - } - - return header; -} - -static int receive(struct sr_output *o, const struct sr_datafeed_packet *packet, - GString **out) -{ - const struct sr_datafeed_meta *meta; - const struct sr_datafeed_logic *logic; - const struct sr_config *src; - GSList *l; - struct context *ctx; - int idx; - uint64_t i, j; - gchar *p, c; - - *out = NULL; - if (!o || !o->sdi) - return SR_ERR_ARG; - if (!(ctx = o->internal)) - return SR_ERR_ARG; - - switch (packet->type) { - case SR_DF_META: - meta = packet->payload; - for (l = meta->config; l; l = l->next) { - src = l->data; - if (src->key != SR_CONF_SAMPLERATE) - continue; - ctx->samplerate = g_variant_get_uint64(src->data); - } - break; - case SR_DF_LOGIC: - logic = packet->payload; - if (!ctx->header_done) { - *out = gen_header(o); - ctx->header_done = TRUE; - } else { - *out = g_string_sized_new(512); - } - - for (i = 0; i <= logic->length - logic->unitsize; i += logic->unitsize) { - for (j = 0; j < ctx->num_enabled_channels; j++) { - idx = ctx->channel_index[j]; - p = logic->data + i + idx / 8; - c = *p & (1 << (idx % 8)); - g_string_append_c(*out, c ? '1' : '0'); - g_string_append_c(*out, ctx->separator); - } - if (j) { - /* Drop last separator. */ - g_string_truncate(*out, (*out)->len - 1); - } - g_string_append_printf(*out, "\n"); - } - break; - } - - return SR_OK; -} - -static int cleanup(struct sr_output *o) -{ - struct context *ctx; - - if (!o || !o->sdi) - return SR_ERR_ARG; - - if (o->internal) { - ctx = o->internal; - g_free(ctx->channel_index); - g_free(o->internal); - o->internal = NULL; - } - - return SR_OK; -} - -SR_PRIV struct sr_output_format output_csv = { - .id = "csv", - .description = "Comma-separated values (CSV)", - .init = init, - .receive = receive, - .cleanup = cleanup, -};