X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fkingst-la2016%2Fapi.c;h=1163558e332b8662edf2586ea27e5c7130b2d877;hb=411ad77c05aca0fe83e9cde2f87ab476f8d7d2ff;hp=53a6bb49d33483ca104b7134d22b4e48a5e8265a;hpb=852c7d1483a02e0937b7a7ce0936df17692bac34;p=libsigrok.git

diff --git a/src/hardware/kingst-la2016/api.c b/src/hardware/kingst-la2016/api.c
index 53a6bb49..1163558e 100644
--- a/src/hardware/kingst-la2016/api.c
+++ b/src/hardware/kingst-la2016/api.c
@@ -125,7 +125,7 @@ static const char *logic_threshold[] = {
 	"USER",
 };
 
-#define MAX_NUM_LOGIC_THRESHOLD_ENTRIES ARRAY_SIZE(logic_threshold)
+#define LOGIC_THRESHOLD_IDX_USER	(ARRAY_SIZE(logic_threshold) - 1)
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
@@ -191,7 +191,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 			continue;
 
 		/* USB identification matches, a device was found. */
-		sr_dbg("Found a LA2016 device.");
+		sr_dbg("Found a device (USB identification).");
 		sdi = g_malloc0(sizeof(struct sr_dev_inst));
 		sdi->status = SR_ST_INITIALIZING;
 		sdi->connection_id = g_strdup(connection_id);
@@ -412,6 +412,7 @@ static int config_get(uint32_t key, GVariant **data,
 	struct dev_context *devc;
 	struct sr_usb_dev_inst *usb;
 	double rounded;
+	const char *label;
 
 	(void)cg;
 
@@ -447,7 +448,8 @@ static int config_get(uint32_t key, GVariant **data,
 		*data = std_gvar_tuple_double(rounded, rounded + 0.1);
 		return SR_OK;
 	case SR_CONF_LOGIC_THRESHOLD:
-		*data = g_variant_new_string(logic_threshold[devc->threshold_voltage_idx]);
+		label = logic_threshold[devc->threshold_voltage_idx];
+		*data = g_variant_new_string(label);
 		break;
 	case SR_CONF_LOGIC_THRESHOLD_CUSTOM:
 		*data = g_variant_new_double(devc->threshold_voltage);
@@ -484,14 +486,13 @@ static int config_set(uint32_t key, GVariant *data,
 	case SR_CONF_VOLTAGE_THRESHOLD:
 		g_variant_get(data, "(dd)", &low, &high);
 		devc->threshold_voltage = (low + high) / 2.0;
-		devc->threshold_voltage_idx = MAX_NUM_LOGIC_THRESHOLD_ENTRIES - 1; /* USER */
+		devc->threshold_voltage_idx = LOGIC_THRESHOLD_IDX_USER;
 		break;
 	case SR_CONF_LOGIC_THRESHOLD: {
-		if ((idx = std_str_idx(data, logic_threshold, MAX_NUM_LOGIC_THRESHOLD_ENTRIES)) < 0)
+		idx = std_str_idx(data, ARRAY_AND_SIZE(logic_threshold));
+		if (idx < 0)
 			return SR_ERR_ARG;
-		if (idx == MAX_NUM_LOGIC_THRESHOLD_ENTRIES - 1) {
-			/* user threshold */
-		} else {
+		if (idx != LOGIC_THRESHOLD_IDX_USER) {
 			devc->threshold_voltage = logic_threshold_value[idx];
 		}
 		devc->threshold_voltage_idx = idx;
@@ -515,7 +516,8 @@ static int config_list(uint32_t key, GVariant **data,
 	switch (key) {
 	case SR_CONF_SCAN_OPTIONS:
 	case SR_CONF_DEVICE_OPTIONS:
-		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+		return STD_CONFIG_LIST(key, data, sdi, cg,
+			scanopts, drvopts, devopts);
 	case SR_CONF_SAMPLERATE:
 		if (!sdi)
 			return SR_ERR_ARG;
@@ -527,7 +529,8 @@ static int config_list(uint32_t key, GVariant **data,
 		}
 		break;
 	case SR_CONF_LIMIT_SAMPLES:
-		*data = std_gvar_tuple_u64(LA2016_NUM_SAMPLES_MIN, LA2016_NUM_SAMPLES_MAX);
+		*data = std_gvar_tuple_u64(LA2016_NUM_SAMPLES_MIN,
+			LA2016_NUM_SAMPLES_MAX);
 		break;
 	case SR_CONF_VOLTAGE_THRESHOLD:
 		*data = std_gvar_min_max_step_thresholds(
@@ -538,7 +541,7 @@ static int config_list(uint32_t key, GVariant **data,
 		*data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
 		break;
 	case SR_CONF_LOGIC_THRESHOLD:
-		*data = g_variant_new_strv(logic_threshold, MAX_NUM_LOGIC_THRESHOLD_ENTRIES);
+		*data = g_variant_new_strv(ARRAY_AND_SIZE(logic_threshold));
 		break;
 	default:
 		return SR_ERR_NA;
@@ -553,14 +556,11 @@ static int configure_channels(const struct sr_dev_inst *sdi)
 
 	devc = sdi->priv;
 	devc->cur_channels = 0;
-	devc->num_channels = 0;
-
 	for (GSList *l = sdi->channels; l; l = l->next) {
 		struct sr_channel *ch = (struct sr_channel*)l->data;
 		if (ch->enabled == FALSE)
 			continue;
 		devc->cur_channels |= 1 << ch->index;
-		devc->num_channels++;
 	}
 
 	return SR_OK;
@@ -583,12 +583,14 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	}
 
 	devc->convbuffer_size = LA2016_CONVBUFFER_SIZE;
-	if (!(devc->convbuffer = g_try_malloc(devc->convbuffer_size))) {
+	devc->convbuffer = g_try_malloc(devc->convbuffer_size);
+	if (!devc->convbuffer) {
 		sr_err("Cannot allocate conversion buffer.");
 		return SR_ERR_MALLOC;
 	}
 
-	if ((ret = la2016_setup_acquisition(sdi)) != SR_OK) {
+	ret = la2016_setup_acquisition(sdi);
+	if (ret != SR_OK) {
 		g_free(devc->convbuffer);
 		devc->convbuffer = NULL;
 		return ret;
@@ -596,12 +598,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 	devc->ctx = drvc->sr_ctx;
 
-	if ((ret = la2016_start_acquisition(sdi)) != SR_OK) {
+	ret = la2016_start_acquisition(sdi);
+	if (ret != SR_OK) {
 		la2016_abort_acquisition(sdi);
 		return ret;
 	}
 
-	devc->have_trigger = 0;
+	devc->completion_seen = FALSE;
 	usb_source_add(sdi->session, drvc->sr_ctx, 50,
 		la2016_receive_data, (void *)sdi);