static struct sr_context *sr_ctx;
struct config_device {
- char *name;
- char *driver;
- char *conn;
- char *serialcomm;
- struct sr_dev_inst *sdi;
- cdtime_t min_dispatch_interval;
- cdtime_t last_dispatch;
+ char *name;
+ char *driver;
+ char *conn;
+ char *serialcomm;
+ struct sr_dev_inst *sdi;
+ cdtime_t min_dispatch_interval;
+ cdtime_t last_dispatch;
};
+static int sigrok_log_callback(void *cb_data __attribute__((unused)),
+ int msg_loglevel, const char *format,
+ va_list args) {
+ char s[512];
-static int sigrok_log_callback(void*cb_data __attribute__((unused)),
- int msg_loglevel, const char *format, va_list args)
-{
- char s[512];
+ if (msg_loglevel <= loglevel) {
+ vsnprintf(s, 512, format, args);
+ plugin_log(LOG_INFO, "sigrok plugin: %s", s);
+ }
- if (msg_loglevel <= loglevel) {
- vsnprintf(s, 512, format, args);
- plugin_log(LOG_INFO, "sigrok plugin: %s", s);
- }
-
- return 0;
+ return 0;
}
-static int sigrok_config_device(oconfig_item_t *ci)
-{
- struct config_device *cfdev;
-
- if (!(cfdev = calloc(1, sizeof(*cfdev)))) {
- ERROR("sigrok plugin: calloc failed.");
- return -1;
- }
- if (cf_util_get_string(ci, &cfdev->name)) {
- free(cfdev);
- WARNING("sigrok plugin: Invalid device name.");
- return -1;
- }
- cfdev->min_dispatch_interval = DEFAULT_MIN_DISPATCH_INTERVAL;
-
- for (int i = 0; i < ci->children_num; i++) {
- oconfig_item_t *item = ci->children + i;
- if (!strcasecmp(item->key, "driver"))
- cf_util_get_string(item, &cfdev->driver);
- else if (!strcasecmp(item->key, "conn"))
- cf_util_get_string(item, &cfdev->conn);
- else if (!strcasecmp(item->key, "serialcomm"))
- cf_util_get_string(item, &cfdev->serialcomm);
- else if (!strcasecmp(item->key, "minimuminterval"))
- cf_util_get_cdtime(item, &cfdev->min_dispatch_interval);
- else
- WARNING("sigrok plugin: Invalid keyword \"%s\".",
- item->key);
- }
-
- config_devices = g_slist_append(config_devices, cfdev);
-
- return 0;
+static int sigrok_config_device(oconfig_item_t *ci) {
+ struct config_device *cfdev;
+
+ if (!(cfdev = calloc(1, sizeof(*cfdev)))) {
+ ERROR("sigrok plugin: calloc failed.");
+ return -1;
+ }
+ if (cf_util_get_string(ci, &cfdev->name)) {
+ free(cfdev);
+ WARNING("sigrok plugin: Invalid device name.");
+ return -1;
+ }
+ cfdev->min_dispatch_interval = DEFAULT_MIN_DISPATCH_INTERVAL;
+
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *item = ci->children + i;
+ if (!strcasecmp(item->key, "driver"))
+ cf_util_get_string(item, &cfdev->driver);
+ else if (!strcasecmp(item->key, "conn"))
+ cf_util_get_string(item, &cfdev->conn);
+ else if (!strcasecmp(item->key, "serialcomm"))
+ cf_util_get_string(item, &cfdev->serialcomm);
+ else if (!strcasecmp(item->key, "minimuminterval"))
+ cf_util_get_cdtime(item, &cfdev->min_dispatch_interval);
+ else
+ WARNING("sigrok plugin: Invalid keyword \"%s\".", item->key);
+ }
+
+ config_devices = g_slist_append(config_devices, cfdev);
+
+ return 0;
}
-static int sigrok_config(oconfig_item_t *ci)
-{
- for (int i = 0; i < ci->children_num; i++) {
- oconfig_item_t *item = ci->children + i;
- if (strcasecmp("LogLevel", item->key) == 0) {
- int status;
- int tmp = -1;
-
- status = cf_util_get_int (item, &tmp);
- if (status != 0)
- continue;
- else if ((tmp < 0) || (tmp > 5)) {
- ERROR ("sigrok plugin: The \"LogLevel\" "
- "configuration option expects "
- "an integer between 0 and 5 "
- "(inclusive); you provided %i.",
- tmp);
- continue;
- }
- loglevel = tmp;
- } else if (!strcasecmp(item->key, "Device"))
- sigrok_config_device(item);
- else
- WARNING("sigrok plugin: Invalid keyword \"%s\".",
- item->key);
- }
-
- return 0;
+static int sigrok_config(oconfig_item_t *ci) {
+ for (int i = 0; i < ci->children_num; i++) {
+ oconfig_item_t *item = ci->children + i;
+ if (strcasecmp("LogLevel", item->key) == 0) {
+ int status;
+ int tmp = -1;
+
+ status = cf_util_get_int(item, &tmp);
+ if (status != 0)
+ continue;
+ else if ((tmp < 0) || (tmp > 5)) {
+ ERROR("sigrok plugin: The \"LogLevel\" "
+ "configuration option expects "
+ "an integer between 0 and 5 "
+ "(inclusive); you provided %i.",
+ tmp);
+ continue;
+ }
+ loglevel = tmp;
+ } else if (!strcasecmp(item->key, "Device"))
+ sigrok_config_device(item);
+ else
+ WARNING("sigrok plugin: Invalid keyword \"%s\".", item->key);
+ }
+
+ return 0;
}
-static const char *sigrok_value_type(const struct sr_datafeed_analog *analog)
-{
- const char *s;
-
- if (analog->mq == SR_MQ_VOLTAGE)
- s = "voltage";
- else if (analog->mq == SR_MQ_CURRENT)
- s = "current";
- else if (analog->mq == SR_MQ_FREQUENCY)
- s = "frequency";
- else if (analog->mq == SR_MQ_POWER)
- s = "power";
- else if (analog->mq == SR_MQ_TEMPERATURE)
- s = "temperature";
- else if (analog->mq == SR_MQ_RELATIVE_HUMIDITY)
- s = "humidity";
- else if (analog->mq == SR_MQ_SOUND_PRESSURE_LEVEL)
- s = "spl";
- else
- s = "gauge";
-
- return s;
+static const char *sigrok_value_type(const struct sr_datafeed_analog *analog) {
+ const char *s;
+
+ if (analog->mq == SR_MQ_VOLTAGE)
+ s = "voltage";
+ else if (analog->mq == SR_MQ_CURRENT)
+ s = "current";
+ else if (analog->mq == SR_MQ_FREQUENCY)
+ s = "frequency";
+ else if (analog->mq == SR_MQ_POWER)
+ s = "power";
+ else if (analog->mq == SR_MQ_TEMPERATURE)
+ s = "temperature";
+ else if (analog->mq == SR_MQ_RELATIVE_HUMIDITY)
+ s = "humidity";
+ else if (analog->mq == SR_MQ_SOUND_PRESSURE_LEVEL)
+ s = "spl";
+ else
+ s = "gauge";
+
+ return s;
}
static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
- const struct sr_datafeed_packet *packet, void *cb_data)
-{
- const struct sr_datafeed_analog *analog;
- struct config_device *cfdev;
- value_t value;
- value_list_t vl = VALUE_LIST_INIT;
-
- /* Find this device's configuration. */
- cfdev = NULL;
- for (GSList *l = config_devices; l; l = l->next) {
- cfdev = l->data;
- if (cfdev->sdi == sdi) {
- /* Found it. */
- break;
- }
- cfdev = NULL;
- }
-
- if (!cfdev) {
- ERROR("sigrok plugin: Received data from driver \"%s\" but "
- "can't find a configuration / device matching "
- "it.", sdi->driver->name);
- return;
- }
-
- if (packet->type == SR_DF_END) {
- /* TODO: try to restart acquisition after a delay? */
- WARNING("sigrok plugin: acquisition for \"%s\" ended.",
- cfdev->name);
- return;
- }
-
- if (packet->type != SR_DF_ANALOG)
- return;
-
- if ((cfdev->min_dispatch_interval != 0)
- && ((cdtime() - cfdev->last_dispatch)
- < cfdev->min_dispatch_interval))
- return;
-
- /* Ignore all but the first sample on the first probe. */
- analog = packet->payload;
- value.gauge = analog->data[0];
- vl.values = &value;
- vl.values_len = 1;
- sstrncpy(vl.host, hostname_g, sizeof(vl.host));
- sstrncpy(vl.plugin, "sigrok", sizeof(vl.plugin));
- ssnprintf(vl.plugin_instance, sizeof(vl.plugin_instance),
- "%s", cfdev->name);
- sstrncpy(vl.type, sigrok_value_type(analog), sizeof(vl.type));
-
- plugin_dispatch_values(&vl);
- cfdev->last_dispatch = cdtime();
+ const struct sr_datafeed_packet *packet,
+ void *cb_data) {
+ const struct sr_datafeed_analog *analog;
+ struct config_device *cfdev;
+ value_list_t vl = VALUE_LIST_INIT;
+
+ /* Find this device's configuration. */
+ cfdev = NULL;
+ for (GSList *l = config_devices; l; l = l->next) {
+ cfdev = l->data;
+ if (cfdev->sdi == sdi) {
+ /* Found it. */
+ break;
+ }
+ cfdev = NULL;
+ }
+
+ if (!cfdev) {
+ ERROR("sigrok plugin: Received data from driver \"%s\" but "
+ "can't find a configuration / device matching "
+ "it.",
+ sdi->driver->name);
+ return;
+ }
+
+ if (packet->type == SR_DF_END) {
+ /* TODO: try to restart acquisition after a delay? */
+ WARNING("sigrok plugin: acquisition for \"%s\" ended.", cfdev->name);
+ return;
+ }
+
+ if (packet->type != SR_DF_ANALOG)
+ return;
+
+ if ((cfdev->min_dispatch_interval != 0) &&
+ ((cdtime() - cfdev->last_dispatch) < cfdev->min_dispatch_interval))
+ return;
+
+ /* Ignore all but the first sample on the first probe. */
+ analog = packet->payload;
+ vl.values = &(value_t){.gauge = analog->data[0]};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "sigrok", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, cfdev->name, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, sigrok_value_type(analog), sizeof(vl.type));
+
+ plugin_dispatch_values(&vl);
+ cfdev->last_dispatch = cdtime();
}
-static void sigrok_free_drvopts(struct sr_config *src)
-{
- g_variant_unref(src->data);
- g_free(src);
+static void sigrok_free_drvopts(struct sr_config *src) {
+ g_variant_unref(src->data);
+ g_free(src);
}
static int sigrok_init_driver(struct config_device *cfdev,
- struct sr_dev_driver *drv)
-{
- struct sr_config *src;
- GSList *devlist, *drvopts;
- char hwident[512];
-
- if (sr_driver_init(sr_ctx, drv) != SR_OK)
- /* Error was logged by libsigrok. */
- return -1;
-
- drvopts = NULL;
- if (cfdev->conn) {
- if (!(src = malloc(sizeof(*src))))
- return -1;
- src->key = SR_CONF_CONN;
- src->data = g_variant_new_string(cfdev->conn);
- drvopts = g_slist_append(drvopts, src);
- }
- if (cfdev->serialcomm) {
- if (!(src = malloc(sizeof(*src))))
- return -1;
- src->key = SR_CONF_SERIALCOMM;
- src->data = g_variant_new_string(cfdev->serialcomm);
- drvopts = g_slist_append(drvopts, src);
- }
- devlist = sr_driver_scan(drv, drvopts);
- g_slist_free_full(drvopts, (GDestroyNotify)sigrok_free_drvopts);
- if (!devlist) {
- /* Not an error, but the user should know about it. */
- WARNING("sigrok plugin: No device found for \"%s\".",
- cfdev->name);
- return 0;
- }
-
- if (g_slist_length(devlist) > 1) {
- INFO("sigrok plugin: %d sigrok devices for device entry "
- "\"%s\": must be 1.",
- g_slist_length(devlist), cfdev->name);
- return -1;
- }
- cfdev->sdi = devlist->data;
- g_slist_free(devlist);
- ssnprintf(hwident, sizeof(hwident), "%s %s %s",
- cfdev->sdi->vendor ? cfdev->sdi->vendor : "",
- cfdev->sdi->model ? cfdev->sdi->model : "",
- cfdev->sdi->version ? cfdev->sdi->version : "");
- INFO("sigrok plugin: Device \"%s\" is a %s", cfdev->name, hwident);
-
- if (sr_dev_open(cfdev->sdi) != SR_OK)
- return -1;
-
- if (sr_session_dev_add(cfdev->sdi) != SR_OK)
- return -1;
-
- return 1;
+ struct sr_dev_driver *drv) {
+ struct sr_config *src;
+ GSList *devlist, *drvopts;
+ char hwident[512];
+
+ if (sr_driver_init(sr_ctx, drv) != SR_OK)
+ /* Error was logged by libsigrok. */
+ return -1;
+
+ drvopts = NULL;
+ if (cfdev->conn) {
+ if (!(src = malloc(sizeof(*src))))
+ return -1;
+ src->key = SR_CONF_CONN;
+ src->data = g_variant_new_string(cfdev->conn);
+ drvopts = g_slist_append(drvopts, src);
+ }
+ if (cfdev->serialcomm) {
+ if (!(src = malloc(sizeof(*src))))
+ return -1;
+ src->key = SR_CONF_SERIALCOMM;
+ src->data = g_variant_new_string(cfdev->serialcomm);
+ drvopts = g_slist_append(drvopts, src);
+ }
+ devlist = sr_driver_scan(drv, drvopts);
+ g_slist_free_full(drvopts, (GDestroyNotify)sigrok_free_drvopts);
+ if (!devlist) {
+ /* Not an error, but the user should know about it. */
+ WARNING("sigrok plugin: No device found for \"%s\".", cfdev->name);
+ return 0;
+ }
+
+ if (g_slist_length(devlist) > 1) {
+ INFO("sigrok plugin: %d sigrok devices for device entry "
+ "\"%s\": must be 1.",
+ g_slist_length(devlist), cfdev->name);
+ return -1;
+ }
+ cfdev->sdi = devlist->data;
+ g_slist_free(devlist);
+ ssnprintf(hwident, sizeof(hwident), "%s %s %s",
+ cfdev->sdi->vendor ? cfdev->sdi->vendor : "",
+ cfdev->sdi->model ? cfdev->sdi->model : "",
+ cfdev->sdi->version ? cfdev->sdi->version : "");
+ INFO("sigrok plugin: Device \"%s\" is a %s", cfdev->name, hwident);
+
+ if (sr_dev_open(cfdev->sdi) != SR_OK)
+ return -1;
+
+ if (sr_session_dev_add(cfdev->sdi) != SR_OK)
+ return -1;
+
+ return 1;
}
-static void *sigrok_read_thread(void *arg __attribute__((unused)))
-{
- struct sr_dev_driver *drv, **drvlist;
- GSList *l;
- struct config_device *cfdev;
- int ret, i;
-
- sr_log_callback_set(sigrok_log_callback, NULL);
- sr_log_loglevel_set(loglevel);
-
- if ((ret = sr_init(&sr_ctx)) != SR_OK) {
- ERROR("sigrok plugin: Failed to initialize libsigrok: %s.",
- sr_strerror(ret));
- return NULL;
- }
-
- if (!sr_session_new())
- return NULL;
-
- num_devices = 0;
- drvlist = sr_driver_list();
- for (l = config_devices; l; l = l->next) {
- cfdev = l->data;
- drv = NULL;
- for (i = 0; drvlist[i]; i++) {
- if (!strcmp(drvlist[i]->name, cfdev->driver)) {
- drv = drvlist[i];
- break;
- }
- }
- if (!drv) {
- ERROR("sigrok plugin: Unknown driver \"%s\".",
- cfdev->driver);
- return NULL;
- }
-
- if ((ret = sigrok_init_driver(cfdev, drv)) < 0)
- /* Error was already logged. */
- return NULL;
-
- num_devices += ret;
- }
-
- if (num_devices > 0) {
- /* Do this only when we're sure there's hardware to talk to. */
- if (sr_session_datafeed_callback_add(sigrok_feed_callback, NULL)
- != SR_OK)
- return NULL;
-
- /* Start acquisition on all devices. */
- if (sr_session_start() != SR_OK)
- return NULL;
-
- /* Main loop, runs forever. */
- sr_session_run();
-
- sr_session_stop();
- sr_session_dev_remove_all();
- }
-
- sr_session_destroy();
-
- sr_exit(sr_ctx);
-
- pthread_exit(NULL);
- sr_thread_running = FALSE;
-
- return NULL;
+static void *sigrok_read_thread(void *arg __attribute__((unused))) {
+ struct sr_dev_driver *drv, **drvlist;
+ GSList *l;
+ struct config_device *cfdev;
+ int ret, i;
+
+ sr_log_callback_set(sigrok_log_callback, NULL);
+ sr_log_loglevel_set(loglevel);
+
+ if ((ret = sr_init(&sr_ctx)) != SR_OK) {
+ ERROR("sigrok plugin: Failed to initialize libsigrok: %s.",
+ sr_strerror(ret));
+ return NULL;
+ }
+
+ if (!sr_session_new())
+ return NULL;
+
+ num_devices = 0;
+ drvlist = sr_driver_list();
+ for (l = config_devices; l; l = l->next) {
+ cfdev = l->data;
+ drv = NULL;
+ for (i = 0; drvlist[i]; i++) {
+ if (!strcmp(drvlist[i]->name, cfdev->driver)) {
+ drv = drvlist[i];
+ break;
+ }
+ }
+ if (!drv) {
+ ERROR("sigrok plugin: Unknown driver \"%s\".", cfdev->driver);
+ return NULL;
+ }
+
+ if ((ret = sigrok_init_driver(cfdev, drv)) < 0)
+ /* Error was already logged. */
+ return NULL;
+
+ num_devices += ret;
+ }
+
+ if (num_devices > 0) {
+ /* Do this only when we're sure there's hardware to talk to. */
+ if (sr_session_datafeed_callback_add(sigrok_feed_callback, NULL) != SR_OK)
+ return NULL;
+
+ /* Start acquisition on all devices. */
+ if (sr_session_start() != SR_OK)
+ return NULL;
+
+ /* Main loop, runs forever. */
+ sr_session_run();
+
+ sr_session_stop();
+ sr_session_dev_remove_all();
+ }
+
+ sr_session_destroy();
+
+ sr_exit(sr_ctx);
+
+ pthread_exit(NULL);
+ sr_thread_running = FALSE;
+
+ return NULL;
}
-static int sigrok_init(void)
-{
- int status;
-
- if (sr_thread_running) {
- ERROR("sigrok plugin: Thread already running.");
- return -1;
- }
-
- status = plugin_thread_create(&sr_thread, NULL, sigrok_read_thread,
- NULL);
- if (status != 0)
- {
- char errbuf[1024];
- ERROR("sigrok plugin: Failed to create thread: %s.",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return -1;
- }
- sr_thread_running = TRUE;
-
- return 0;
+static int sigrok_init(void) {
+ int status;
+
+ if (sr_thread_running) {
+ ERROR("sigrok plugin: Thread already running.");
+ return -1;
+ }
+
+ status = plugin_thread_create(&sr_thread, NULL, sigrok_read_thread, NULL,
+ "sigrok read");
+ if (status != 0) {
+ char errbuf[1024];
+ ERROR("sigrok plugin: Failed to create thread: %s.",
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
+ sr_thread_running = TRUE;
+
+ return 0;
}
-static int sigrok_shutdown(void)
-{
- struct config_device *cfdev;
- GSList *l;
-
- if (sr_thread_running) {
- pthread_cancel(sr_thread);
- pthread_join(sr_thread, NULL);
- }
-
- for (l = config_devices; l; l = l->next) {
- cfdev = l->data;
- free(cfdev->name);
- free(cfdev->driver);
- free(cfdev->conn);
- free(cfdev->serialcomm);
- free(cfdev);
- }
- g_slist_free(config_devices);
-
- return 0;
+static int sigrok_shutdown(void) {
+ struct config_device *cfdev;
+ GSList *l;
+
+ if (sr_thread_running) {
+ pthread_cancel(sr_thread);
+ pthread_join(sr_thread, NULL);
+ }
+
+ for (l = config_devices; l; l = l->next) {
+ cfdev = l->data;
+ free(cfdev->name);
+ free(cfdev->driver);
+ free(cfdev->conn);
+ free(cfdev->serialcomm);
+ free(cfdev);
+ }
+ g_slist_free(config_devices);
+
+ return 0;
}
-void module_register(void)
-{
- plugin_register_complex_config("sigrok", sigrok_config);
- plugin_register_init("sigrok", sigrok_init);
- plugin_register_shutdown("sigrok", sigrok_shutdown);
+void module_register(void) {
+ plugin_register_complex_config("sigrok", sigrok_config);
+ plugin_register_init("sigrok", sigrok_init);
+ plugin_register_shutdown("sigrok", sigrok_shutdown);
}