X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fcsv.c;h=f892311205869ba0f65b4f9fa041a671b4e8b2a9;hb=HEAD;hp=18d5c420bb406235f979c356600e1213f78fc1af;hpb=bb7ef79377ae617e1275373e0b631beb7f909d73;p=libsigrok.git diff --git a/output/csv.c b/output/csv.c deleted file mode 100644 index 18d5c420..00000000 --- a/output/csv.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * This file is part of the sigrok 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" -#include "sigrok.h" -#include "sigrok-internal.h" - -struct context { - unsigned int num_enabled_probes; - unsigned int unitsize; - char *probelist[SR_MAX_NUM_PROBES + 1]; - uint64_t samplerate; - GString *header; - char separator; -}; - -/* - * 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 - * probe LAs) as ASCII/hex etc. etc. - * - Trigger support. - */ - -static int init(struct sr_output *o) -{ - struct context *ctx; - struct sr_probe *probe; - GSList *l; - int num_probes; - uint64_t samplerate; - time_t t; - unsigned int i; - - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!o->dev) { - sr_err("csv out: %s: o->dev was NULL", __func__); - return SR_ERR_ARG; - } - - if (!o->dev->plugin) { - sr_err("csv out: %s: o->dev->plugin was NULL", __func__); - return SR_ERR_ARG; - } - - if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("csv out: %s: ctx malloc failed", __func__); - return SR_ERR_MALLOC; - } - - o->internal = ctx; - - /* Get the number of probes, their names, and the unitsize. */ - /* TODO: Error handling. */ - for (l = o->dev->probes; l; l = l->next) { - probe = l->data; - if (!probe->enabled) - continue; - ctx->probelist[ctx->num_enabled_probes++] = probe->name; - } - ctx->probelist[ctx->num_enabled_probes] = 0; - ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; - - num_probes = g_slist_length(o->dev->probes); - - if (sr_dev_has_hwcap(o->dev, SR_HWCAP_SAMPLERATE)) { - samplerate = *((uint64_t *) o->dev->plugin->get_dev_info( - o->dev->plugin_index, SR_DI_CUR_SAMPLERATE)); - /* TODO: Error checks. */ - } else { - samplerate = 0; /* TODO: Error or set some value? */ - } - ctx->samplerate = samplerate; - - ctx->separator = ','; - - ctx->header = g_string_sized_new(512); - - t = time(NULL); - - /* Some metadata */ - g_string_append_printf(ctx->header, "; CSV, generated by %s on %s", - PACKAGE_STRING, ctime(&t)); - g_string_append_printf(ctx->header, "; Samplerate: %"PRIu64"\n", - ctx->samplerate); - - /* Columns / channels */ - g_string_append_printf(ctx->header, "; Channels (%d/%d): ", - ctx->num_enabled_probes, num_probes); - for (i = 0; i < ctx->num_enabled_probes; i++) - g_string_append_printf(ctx->header, "%s, ", ctx->probelist[i]); - g_string_append_printf(ctx->header, "\n"); - - return 0; /* TODO: SR_OK? */ -} - -static int event(struct sr_output *o, int event_type, char **data_out, - uint64_t *length_out) -{ - struct context *ctx; - - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!(ctx = o->internal)) { - sr_err("csv out: %s: o->internal was NULL", __func__); - return SR_ERR_ARG; - } - - if (!data_out) { - sr_err("csv out: %s: data_out was NULL", __func__); - return SR_ERR_ARG; - } - - switch (event_type) { - case SR_DF_TRIGGER: - sr_dbg("csv out: %s: SR_DF_TRIGGER event", __func__); - /* TODO */ - *data_out = NULL; - *length_out = 0; - break; - case SR_DF_END: - sr_dbg("csv out: %s: SR_DF_END event", __func__); - /* TODO */ - *data_out = NULL; - *length_out = 0; - g_free(o->internal); - o->internal = NULL; - break; - default: - sr_err("csv out: %s: unsupported event type: %d", __func__, - event_type); - *data_out = NULL; - *length_out = 0; - break; - } - - return SR_OK; -} - -static int data(struct sr_output *o, const char *data_in, uint64_t length_in, - char **data_out, uint64_t *length_out) -{ - struct context *ctx; - GString *outstr; - uint64_t sample, i; - int j; - - if (!o) { - sr_err("csv out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!(ctx = o->internal)) { - sr_err("csv out: %s: o->internal was NULL", __func__); - return SR_ERR_ARG; - } - - if (!data_in) { - sr_err("csv out: %s: data_in was NULL", __func__); - return SR_ERR_ARG; - } - - if (ctx->header) { - /* First data packet. */ - outstr = ctx->header; - ctx->header = NULL; - } else { - outstr = g_string_sized_new(512); - } - - for (i = 0; i <= length_in - ctx->unitsize; i += ctx->unitsize) { - memcpy(&sample, data_in + i, ctx->unitsize); - for (j = ctx->num_enabled_probes - 1; j >= 0; j--) { - g_string_append_printf(outstr, "%d%c", - (int)((sample & (1 << j)) >> j), - ctx->separator); - } - g_string_append_printf(outstr, "\n"); - } - - *data_out = outstr->str; - *length_out = outstr->len; - g_string_free(outstr, FALSE); - - return SR_OK; -} - -SR_PRIV struct sr_output_format output_csv = { - .id = "csv", - .description = "Comma-separated values (CSV)", - .df_type = SR_DF_LOGIC, - .init = init, - .data = data, - .event = event, -};