X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Fgnuplot.c;h=33a3ee0af305c6810b81c1f8ccb19072d854014a;hb=HEAD;hp=765f84eb744981e9490b34a7afbe3de08dd15321;hpb=45c59c8bdd01954f9214fe7b869d92c55415d109;p=libsigrok.git diff --git a/output/gnuplot.c b/output/gnuplot.c deleted file mode 100644 index 765f84eb..00000000 --- a/output/gnuplot.c +++ /dev/null @@ -1,434 +0,0 @@ -/* - * This file is part of the sigrok project. - * - * Copyright (C) 2010 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 "libsigrok.h" -#include "libsigrok-internal.h" - -struct context { - unsigned int num_enabled_probes; - unsigned int unitsize; - char *probelist[SR_MAX_NUM_PROBES + 1]; - char *header; -}; - -#define MAX_HEADER_LEN \ - (1024 + (SR_MAX_NUM_PROBES * (SR_MAX_PROBENAME_LEN + 10))) - -static const char *gnuplot_header = "\ -# Sample data in space-separated columns format usable by gnuplot\n\ -#\n\ -# Generated by: %s on %s%s\ -# Period: %s\n\ -#\n\ -# Column\tProbe\n\ -# -------------------------------------\ -----------------------------------------\n\ -# 0\t\tSample counter (for internal gnuplot purposes)\n%s\n"; - -static const char *gnuplot_header_comment = "\ -# Comment: Acquisition with %d/%d probes at %s\n"; - -static int init(struct sr_output *o) -{ - struct context *ctx; - struct sr_probe *probe; - GSList *l; - uint64_t samplerate; - unsigned int i; - int b, num_probes; - char *c, *frequency_s; - char wbuf[1000], comment[128]; - time_t t; - - if (!o) { - sr_err("gnuplot out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!o->dev) { - sr_err("gnuplot out: %s: o->dev was NULL", __func__); - return SR_ERR_ARG; - } - - if (!o->dev->driver) { - sr_err("gnuplot out: %s: o->dev->driver was NULL", __func__); - return SR_ERR_ARG; - } - - if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("gnuplot out: %s: ctx malloc failed", __func__); - return SR_ERR_MALLOC; - } - - if (!(ctx->header = g_try_malloc0(MAX_HEADER_LEN + 1))) { - sr_err("gnuplot out: %s: ctx->header malloc failed", __func__); - g_free(ctx); - return SR_ERR_MALLOC; - } - - o->internal = ctx; - ctx->num_enabled_probes = 0; - for (l = o->dev->probes; l; l = l->next) { - probe = l->data; /* TODO: Error checks. */ - 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); - comment[0] = '\0'; - if (sr_dev_has_hwcap(o->dev, SR_HWCAP_SAMPLERATE)) { - samplerate = *((uint64_t *) o->dev->driver->dev_info_get( - o->dev->driver_index, SR_DI_CUR_SAMPLERATE)); - if (!(frequency_s = sr_samplerate_string(samplerate))) { - sr_err("gnuplot out: %s: sr_samplerate_string failed", - __func__); - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - snprintf(comment, 127, gnuplot_header_comment, - ctx->num_enabled_probes, num_probes, frequency_s); - g_free(frequency_s); - } - - /* Columns / channels */ - wbuf[0] = '\0'; - for (i = 0; i < ctx->num_enabled_probes; i++) { - c = (char *)&wbuf + strlen((const char *)&wbuf); - sprintf(c, "# %d\t\t%s\n", i + 1, ctx->probelist[i]); - } - - if (!(frequency_s = sr_period_string(samplerate))) { - sr_err("gnuplot out: %s: sr_period_string failed", __func__); - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - - t = time(NULL); - b = snprintf(ctx->header, MAX_HEADER_LEN, gnuplot_header, - PACKAGE_STRING, ctime(&t), comment, frequency_s, - (char *)&wbuf); - g_free(frequency_s); - - if (b < 0) { - sr_err("gnuplot out: %s: sprintf failed", __func__); - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - - return 0; -} - -static int event(struct sr_output *o, int event_type, uint8_t **data_out, - uint64_t *length_out) -{ - if (!o) { - sr_err("gnuplot out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!data_out) { - sr_err("gnuplot out: %s: data_out was NULL", __func__); - return SR_ERR_ARG; - } - - if (!length_out) { - sr_err("gnuplot out: %s: length_out was NULL", __func__); - return SR_ERR_ARG; - } - - switch (event_type) { - case SR_DF_TRIGGER: - /* TODO: Can a trigger mark be in a gnuplot data file? */ - break; - case SR_DF_END: - g_free(o->internal); - o->internal = NULL; - break; - default: - sr_err("gnuplot out: %s: unsupported event type: %d", - __func__, event_type); - break; - } - - *data_out = NULL; - *length_out = 0; - - return SR_OK; -} - -static int data(struct sr_output *o, const uint8_t *data_in, - uint64_t length_in, uint8_t **data_out, uint64_t *length_out) -{ - struct context *ctx; - unsigned int max_linelen, outsize, p, curbit, i; - uint64_t sample; - static uint64_t samplecount = 0, old_sample = 0; - uint8_t *outbuf, *c; - - if (!o) { - sr_err("gnuplot out: %s: o was NULL", __func__); - return SR_ERR_ARG; - } - - if (!o->internal) { - sr_err("gnuplot out: %s: o->internal was NULL", __func__); - return SR_ERR_ARG; - } - - if (!data_in) { - sr_err("gnuplot out: %s: data_in was NULL", __func__); - return SR_ERR_ARG; - } - - if (!data_out) { - sr_err("gnuplot out: %s: data_out was NULL", __func__); - return SR_ERR_ARG; - } - - if (!length_out) { - sr_err("gnuplot out: %s: length_out was NULL", __func__); - return SR_ERR_ARG; - } - - ctx = o->internal; - max_linelen = 16 + ctx->num_enabled_probes * 2; - outsize = length_in / ctx->unitsize * max_linelen; - if (ctx->header) - outsize += strlen(ctx->header); - - if (!(outbuf = g_try_malloc0(outsize))) { - sr_err("gnuplot out: %s: outbuf malloc failed", __func__); - return SR_ERR_MALLOC; - } - - outbuf[0] = '\0'; - if (ctx->header) { - /* The header is still here, this must be the first packet. */ - strncpy((char *)outbuf, ctx->header, outsize); - g_free(ctx->header); - ctx->header = NULL; - } - - for (i = 0; i <= length_in - ctx->unitsize; i += ctx->unitsize) { - - memcpy(&sample, data_in + i, ctx->unitsize); - - /* - * Don't output the same samples multiple times. However, make - * sure to output at least the first and last sample. - */ - if (samplecount++ != 0 && sample == old_sample) { - if (i != (length_in - ctx->unitsize)) - continue; - } - old_sample = sample; - - /* The first column is a counter (needed for gnuplot). */ - c = outbuf + strlen((const char *)outbuf); - sprintf((char *)c, "%" PRIu64 "\t", samplecount++); - - /* The next columns are the values of all channels. */ - for (p = 0; p < ctx->num_enabled_probes; p++) { - curbit = (sample & ((uint64_t) (1 << p))) >> p; - c = outbuf + strlen((const char *)outbuf); - sprintf((char *)c, "%d ", curbit); - } - - c = outbuf + strlen((const char *)outbuf); - sprintf((char *)c, "\n"); - } - - *data_out = outbuf; - *length_out = strlen((const char *)outbuf); - - return SR_OK; -} - -SR_PRIV struct sr_output_format output_gnuplot = { - .id = "gnuplot", - .description = "Gnuplot", - .df_type = SR_DF_LOGIC, - .init = init, - .data = data, - .event = event, -}; - -/* Temporarily disabled. */ -#if 0 -static int analog_init(struct sr_output *o) -{ - struct context *ctx; - struct sr_probe *probe; - GSList *l; - uint64_t samplerate; - unsigned int i; - int b, num_probes; - char *c, *frequency_s; - char wbuf[1000], comment[128]; - time_t t; - - if (!(ctx = g_try_malloc0(sizeof(struct context)))) { - sr_err("gnuplot out: %s: ctx malloc failed", __func__); - return SR_ERR_MALLOC; - } - - if (!(ctx->header = g_try_malloc0(MAX_HEADER_LEN + 1))) { - g_free(ctx); - sr_err("gnuplot out: %s: ctx->header malloc failed", __func__); - return SR_ERR_MALLOC; - } - - o->internal = ctx; - ctx->num_enabled_probes = 0; - 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; - ctx->unitsize = sizeof(struct sr_analog_sample) + - (ctx->num_enabled_probes * sizeof(struct sr_analog_probe)); - - num_probes = g_slist_length(o->dev->probes); - comment[0] = '\0'; - if (o->dev->driver && sr_dev_has_hwcap(o->dev, SR_HWCAP_SAMPLERATE)) { - samplerate = *((uint64_t *) o->dev->driver->dev_info_get( - o->dev->driver_index, SR_DI_CUR_SAMPLERATE)); - if (!(frequency_s = sr_samplerate_string(samplerate))) { - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - snprintf(comment, 127, gnuplot_header_comment, - ctx->num_enabled_probes, num_probes, frequency_s); - g_free(frequency_s); - } - - /* Columns / channels */ - wbuf[0] = '\0'; - for (i = 0; i < ctx->num_enabled_probes; i++) { - c = (char *)&wbuf + strlen((char *)&wbuf); - sprintf(c, "# %d\t\t%s\n", i + 1, ctx->probelist[i]); - } - - if (!(frequency_s = sr_period_string(samplerate))) { - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - t = time(NULL); - b = snprintf(ctx->header, MAX_HEADER_LEN, gnuplot_header, - PACKAGE_STRING, ctime(&t), comment, frequency_s, - (char *)&wbuf); - g_free(frequency_s); - - if (b < 0) { - g_free(ctx->header); - g_free(ctx); - return SR_ERR; - } - - return 0; -} - -static int analog_data(struct sr_output *o, uint8_t *data_in, - uint64_t length_in, uint8_t **data_out, - uint64_t *length_out) -{ - struct context *ctx; - unsigned int max_linelen, outsize, p, /* curbit, */ i; -// uint64_t sample; - static uint64_t samplecount = 0; - uint8_t *outbuf, *c; - struct sr_analog_sample *sample; - - ctx = o->internal; -// max_linelen = 16 + ctx->num_enabled_probes * 2; - max_linelen = 16 + ctx->num_enabled_probes * 30; - outsize = length_in / ctx->unitsize * max_linelen; - if (ctx->header) - outsize += strlen(ctx->header); - - if (!(outbuf = g_try_malloc0(outsize))) { - sr_err("gnuplot out: %s: outbuf malloc failed", __func__); - return SR_ERR_MALLOC; - } - - outbuf[0] = '\0'; - if (ctx->header) { - /* The header is still here, this must be the first packet. */ - strncpy(outbuf, ctx->header, outsize); - g_free(ctx->header); - ctx->header = NULL; - } - - for (i = 0; i <= length_in - ctx->unitsize; i += ctx->unitsize) { -// memcpy(&sample, data_in + i, ctx->unitsize); - sample = (struct sr_analog_sample *) (data_in + i); - - /* The first column is a counter (needed for gnuplot). */ - c = outbuf + strlen(outbuf); - sprintf(c, "%" PRIu64 "\t", samplecount++); - - /* The next columns are the values of all channels. */ - for (p = 0; p < ctx->num_enabled_probes; p++) { -// curbit = (sample & ((uint64_t) (1 << p))) >> p; - c = outbuf + strlen(outbuf); -// sprintf(c, "%d ", curbit); - /* - * FIXME: Should be doing proper raw->voltage conversion - * here, casting to int16_t isn't it. Remember that if - * res = 1 conversion isn't necessary. - */ - sprintf(c, "%f ", (double) ((int16_t) (sample->probes[p].val & - ((1 << sample->probes[p].res) - 1)))); - } - - c = outbuf + strlen(outbuf); - sprintf(c, "\n"); - } - - *data_out = outbuf; - *length_out = strlen(outbuf); - - return SR_OK; -} - -struct sr_output_format output_analog_gnuplot = { - .id = "analog_gnuplot", - .description = "Gnuplot analog", - .df_type = SR_DF_ANALOG, - .init = analog_init, - .data = analog_data, - .event = event, -}; -#endif