#include <stdlib.h>
#include <string.h>
#include <glib.h>
-#include "config.h"
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "config.h" /* Needed for PACKAGE_STRING and others. */
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+/* Message logging helpers with driver-specific prefix string. */
+#define DRIVER_LOG_DOMAIN "output/gnuplot: "
+#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)
struct context {
unsigned int num_enabled_probes;
struct context *ctx;
struct sr_probe *probe;
GSList *l;
- uint64_t samplerate;
+ uint64_t *samplerate;
unsigned int i;
int b, num_probes;
char *c, *frequency_s;
time_t t;
if (!o) {
- sr_warn("gnuplot out: %s: o was NULL", __func__);
+ sr_err("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
- if (!o->device) {
- sr_warn("gnuplot out: %s: o->device was NULL", __func__);
+ if (!o->sdi) {
+ sr_err("%s: o->sdi was NULL", __func__);
return SR_ERR_ARG;
}
- if (!o->device->plugin) {
- sr_warn("gnuplot out: %s: o->device->plugin was NULL",
- __func__);
+ if (!o->sdi->driver) {
+ sr_err("%s: o->sdi->driver was NULL", __func__);
return SR_ERR_ARG;
}
- if (!(ctx = calloc(1, sizeof(struct context)))) {
- sr_warn("gnuplot out: %s: ctx calloc failed", __func__);
+ if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
+ sr_err("%s: ctx malloc failed", __func__);
return SR_ERR_MALLOC;
}
- if (!(ctx->header = calloc(1, MAX_HEADER_LEN + 1))) {
- sr_warn("gnuplot out: %s: ctx->header calloc failed",
- __func__);
- free(ctx);
+ if (!(ctx->header = g_try_malloc0(MAX_HEADER_LEN + 1))) {
+ sr_err("%s: ctx->header malloc failed", __func__);
+ g_free(ctx);
return SR_ERR_MALLOC;
}
o->internal = ctx;
ctx->num_enabled_probes = 0;
- for (l = o->device->probes; l; l = l->next) {
+ for (l = o->sdi->probes; l; l = l->next) {
probe = l->data; /* TODO: Error checks. */
if (!probe->enabled)
continue;
ctx->probelist[ctx->num_enabled_probes] = 0;
ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
- num_probes = g_slist_length(o->device->probes);
+ num_probes = g_slist_length(o->sdi->probes);
comment[0] = '\0';
- if (sr_device_has_hwcap(o->device, SR_HWCAP_SAMPLERATE)) {
- samplerate = *((uint64_t *) o->device->plugin->get_device_info(
- o->device->plugin_index, SR_DI_CUR_SAMPLERATE));
- if (!(frequency_s = sr_samplerate_string(samplerate))) {
- sr_warn("gnuplot out: %s: sr_samplerate_string failed",
- __func__);
- free(ctx->header);
- free(ctx);
+ if (sr_dev_has_option(o->sdi, SR_CONF_SAMPLERATE)) {
+ o->sdi->driver->config_get(SR_CONF_SAMPLERATE,
+ (const void **)&samplerate, o->sdi);
+ if (!(frequency_s = sr_samplerate_string(*samplerate))) {
+ sr_err("%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);
- free(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);
+ 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_warn("gnuplot out: %s: sr_period_string failed", __func__);
- free(ctx->header);
- free(ctx);
+ if (!(frequency_s = sr_period_string(*samplerate))) {
+ sr_err("%s: sr_period_string failed", __func__);
+ g_free(ctx->header);
+ g_free(ctx);
return SR_ERR;
}
b = snprintf(ctx->header, MAX_HEADER_LEN, gnuplot_header,
PACKAGE_STRING, ctime(&t), comment, frequency_s,
(char *)&wbuf);
- free(frequency_s);
+ g_free(frequency_s);
if (b < 0) {
- sr_warn("gnuplot out: %s: sprintf failed", __func__);
- free(ctx->header);
- free(ctx);
+ sr_err("%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, char **data_out,
+static int event(struct sr_output *o, int event_type, uint8_t **data_out,
uint64_t *length_out)
{
- struct context *ctx;
-
if (!o) {
- sr_warn("gnuplot out: %s: o was NULL", __func__);
+ sr_err("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
if (!data_out) {
- sr_warn("gnuplot out: %s: data_out was NULL", __func__);
+ sr_err("%s: data_out was NULL", __func__);
return SR_ERR_ARG;
}
if (!length_out) {
- sr_warn("gnuplot out: %s: length_out was NULL", __func__);
+ sr_err("%s: length_out was NULL", __func__);
return SR_ERR_ARG;
}
- ctx = o->internal;
-
switch (event_type) {
case SR_DF_TRIGGER:
/* TODO: Can a trigger mark be in a gnuplot data file? */
break;
case SR_DF_END:
- free(o->internal);
+ g_free(o->internal);
o->internal = NULL;
break;
default:
- sr_warn("gnuplot out: %s: unsupported event type: %d",
- __func__, event_type);
+ sr_err("%s: unsupported event type: %d", __func__, event_type);
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)
+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;
- char *outbuf, *c;
+ uint8_t *outbuf, *c;
if (!o) {
- sr_warn("gnuplot out: %s: o was NULL", __func__);
+ sr_err("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
if (!o->internal) {
- sr_warn("gnuplot out: %s: o->internal was NULL", __func__);
+ sr_err("%s: o->internal was NULL", __func__);
return SR_ERR_ARG;
}
if (!data_in) {
- sr_warn("gnuplot out: %s: data_in was NULL", __func__);
+ sr_err("%s: data_in was NULL", __func__);
return SR_ERR_ARG;
}
if (!data_out) {
- sr_warn("gnuplot out: %s: data_out was NULL", __func__);
+ sr_err("%s: data_out was NULL", __func__);
return SR_ERR_ARG;
}
if (!length_out) {
- sr_warn("gnuplot out: %s: length_out was NULL", __func__);
+ sr_err("%s: length_out was NULL", __func__);
return SR_ERR_ARG;
}
if (ctx->header)
outsize += strlen(ctx->header);
- if (!(outbuf = calloc(1, outsize))) {
- sr_warn("gnuplot out: %s: outbuf calloc failed", __func__);
+ if (!(outbuf = g_try_malloc0(outsize))) {
+ sr_err("%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);
- free(ctx->header);
+ strncpy((char *)outbuf, ctx->header, outsize);
+ g_free(ctx->header);
ctx->header = NULL;
}
old_sample = sample;
/* The first column is a counter (needed for gnuplot). */
- c = outbuf + strlen(outbuf);
- sprintf(c, "%" PRIu64 "\t", samplecount++);
+ 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(outbuf);
- sprintf(c, "%d ", curbit);
+ c = outbuf + strlen((const char *)outbuf);
+ sprintf((char *)c, "%d ", curbit);
}
- c = outbuf + strlen(outbuf);
- sprintf(c, "\n");
+ c = outbuf + strlen((const char *)outbuf);
+ sprintf((char *)c, "\n");
}
*data_out = outbuf;
- *length_out = strlen(outbuf);
+ *length_out = strlen((const char *)outbuf);
return SR_OK;
}
-struct sr_output_format output_gnuplot = {
+SR_PRIV struct sr_output_format output_gnuplot = {
.id = "gnuplot",
.description = "Gnuplot",
.df_type = SR_DF_LOGIC,
.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 = calloc(1, sizeof(struct context))))
- return SR_ERR_MALLOC;
-
- if (!(ctx->header = calloc(1, MAX_HEADER_LEN + 1))) {
- free(ctx);
- return SR_ERR_MALLOC;
- }
-
- o->internal = ctx;
- ctx->num_enabled_probes = 0;
- for (l = o->device->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->device->probes);
- comment[0] = '\0';
- if (o->device->plugin && sr_device_has_hwcap(o->device, SR_HWCAP_SAMPLERATE)) {
- samplerate = *((uint64_t *) o->device->plugin->get_device_info(
- o->device->plugin_index, SR_DI_CUR_SAMPLERATE));
- if (!(frequency_s = sr_samplerate_string(samplerate))) {
- free(ctx->header);
- free(ctx);
- return SR_ERR;
- }
- snprintf(comment, 127, gnuplot_header_comment,
- ctx->num_enabled_probes, num_probes, frequency_s);
- 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))) {
- free(ctx->header);
- 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);
- free(frequency_s);
-
- if (b < 0) {
- free(ctx->header);
- free(ctx);
- return SR_ERR;
- }
-
- return 0;
-}
-
-static int analog_data(struct sr_output *o, char *data_in, uint64_t length_in,
- char **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;
- char *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 = calloc(1, outsize)))
- 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);
- 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