/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2011 Uwe Hermann <uwe@hermann-uwe.de>
*
#include <stdlib.h>
#include <string.h>
#include <glib.h>
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "output/chronovu-la8: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
struct context {
unsigned int num_enabled_probes;
unsigned int unitsize;
- char *probelist[SR_MAX_NUM_PROBES + 1];
uint64_t trigger_point;
uint64_t samplerate;
};
* Check if the given samplerate is supported by the LA8 hardware.
*
* @param samplerate The samplerate (in Hz) to check.
+ *
* @return 1 if the samplerate is supported/valid, 0 otherwise.
*/
static int is_valid_samplerate(uint64_t samplerate)
return 1;
}
- sr_warn("la8 out: %s: invalid samplerate (%" PRIu64 "Hz)",
+ sr_warn("%s: invalid samplerate (%" PRIu64 "Hz)",
__func__, samplerate);
return 0;
* Max. value for divcount: 0xfe (2550ns sample period, 392.15kHz samplerate).
*
* @param samplerate The samplerate in Hz.
+ *
* @return The divcount value as needed by the hardware, or 0xff upon errors.
*/
static uint8_t samplerate_to_divcount(uint64_t samplerate)
{
if (samplerate == 0) {
- sr_warn("la8 out: %s: samplerate was 0", __func__);
+ sr_warn("%s: samplerate was 0", __func__);
return 0xff;
}
if (!is_valid_samplerate(samplerate)) {
- sr_warn("la8 out: %s: can't get divcount, samplerate invalid",
- __func__);
+ sr_warn("%s: can't get divcount, samplerate invalid", __func__);
return 0xff;
}
struct context *ctx;
struct sr_probe *probe;
GSList *l;
- int num_probes;
- uint64_t samplerate;
+ GVariant *gvar;
if (!o) {
- sr_warn("la8 out: %s: o was NULL", __func__);
+ sr_warn("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
- if (!o->device) {
- sr_warn("la8 out: %s: o->device was NULL", __func__);
+ if (!o->sdi) {
+ sr_warn("%s: o->sdi was NULL", __func__);
return SR_ERR_ARG;
}
- if (!o->device->plugin) {
- sr_warn("la8 out: %s: o->device->plugin was NULL", __func__);
- return SR_ERR_ARG;
- }
-
- if (!(ctx = calloc(1, sizeof(struct context)))) {
- sr_warn("la8 out: %s: ctx calloc failed", __func__);
+ if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
+ sr_warn("%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->device->probes; l; l = l->next) {
+ /* Get the unitsize. */
+ for (l = o->sdi->probes; l; l = l->next) {
probe = l->data;
if (!probe->enabled)
continue;
- ctx->probelist[ctx->num_enabled_probes++] = probe->name;
+ ctx->num_enabled_probes++;
}
- ctx->probelist[ctx->num_enabled_probes] = 0;
ctx->unitsize = (ctx->num_enabled_probes + 7) / 8;
- num_probes = g_slist_length(o->device->probes);
-
- 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));
- /* TODO: Error checks. */
- } else {
- samplerate = 0; /* TODO: Error or set some value? */
- }
- ctx->samplerate = samplerate;
+ if (sr_config_get(o->sdi->driver, SR_CONF_SAMPLERATE, &gvar,
+ o->sdi) == SR_OK) {
+ ctx->samplerate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
+ } else
+ ctx->samplerate = 0;
- return 0; /* TODO: SR_OK? */
+ return SR_OK;
}
-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;
- char *outbuf;
+ uint8_t *outbuf;
if (!o) {
- sr_warn("la8 out: %s: o was NULL", __func__);
+ sr_warn("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
if (!(ctx = o->internal)) {
- sr_warn("la8 out: %s: o->internal was NULL", __func__);
+ sr_warn("%s: o->internal was NULL", __func__);
return SR_ERR_ARG;
}
if (!data_out) {
- sr_warn("la8 out: %s: data_out was NULL", __func__);
+ sr_warn("%s: data_out was NULL", __func__);
return SR_ERR_ARG;
}
switch (event_type) {
case SR_DF_TRIGGER:
- sr_dbg("la8 out: %s: SR_DF_TRIGGER event", __func__);
+ sr_dbg("%s: SR_DF_TRIGGER event", __func__);
/* Save the trigger point for later (SR_DF_END). */
ctx->trigger_point = 0; /* TODO: Store _actual_ value. */
break;
case SR_DF_END:
- sr_dbg("la8 out: %s: SR_DF_END event", __func__);
- if (!(outbuf = malloc(4 + 1))) {
+ sr_dbg("%s: SR_DF_END event", __func__);
+ if (!(outbuf = g_try_malloc(4 + 1))) {
sr_warn("la8 out: %s: outbuf malloc failed", __func__);
return SR_ERR_MALLOC;
}
/* One byte for the 'divcount' value. */
outbuf[0] = samplerate_to_divcount(ctx->samplerate);
// if (outbuf[0] == 0xff) {
- // sr_warn("la8 out: %s: invalid divcount", __func__);
+ // sr_warn("%s: invalid divcount", __func__);
// return SR_ERR;
// }
*data_out = outbuf;
*length_out = 4 + 1;
- free(o->internal);
+ g_free(o->internal);
o->internal = NULL;
break;
default:
- sr_warn("la8 out: %s: unsupported event type: %d", __func__,
+ sr_warn("%s: unsupported event type: %d", __func__,
event_type);
*data_out = NULL;
*length_out = 0;
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;
- char *outbuf;
+ uint8_t *outbuf;
if (!o) {
- sr_warn("la8 out: %s: o was NULL", __func__);
+ sr_warn("%s: o was NULL", __func__);
return SR_ERR_ARG;
}
if (!(ctx = o->internal)) {
- sr_warn("la8 out: %s: o->internal was NULL", __func__);
+ sr_warn("%s: o->internal was NULL", __func__);
return SR_ERR_ARG;
}
if (!data_in) {
- sr_warn("la8 out: %s: data_in was NULL", __func__);
+ sr_warn("%s: data_in was NULL", __func__);
return SR_ERR_ARG;
}
- if (!(outbuf = calloc(1, length_in))) {
- sr_warn("la8 out: %s: outbuf calloc failed", __func__);
+ if (!(outbuf = g_try_malloc0(length_in))) {
+ sr_warn("%s: outbuf malloc failed", __func__);
return SR_ERR_MALLOC;
}
return SR_OK;
}
-struct sr_output_format output_chronovu_la8 = {
+SR_PRIV struct sr_output_format output_chronovu_la8 = {
.id = "chronovu-la8",
.description = "ChronoVu LA8",
.df_type = SR_DF_LOGIC,