X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fhardware%2Fsaleae-logic16%2Fapi.c;h=99916e44e1343cbfedaffc961dba3250178b80bc;hb=HEAD;hp=ecb2953b1b56616105564c881378e5076da9293d;hpb=9fb9afb573193a6614c45e3a040a3c92c713523a;p=libsigrok.git

diff --git a/src/hardware/saleae-logic16/api.c b/src/hardware/saleae-logic16/api.c
index ecb2953b..99916e44 100644
--- a/src/hardware/saleae-logic16/api.c
+++ b/src/hardware/saleae-logic16/api.c
@@ -72,12 +72,12 @@ static const char *channel_names[] = {
 
 static const struct {
 	enum voltage_range range;
-} volt_thresholds_ranges[] = {
+} thresholds_ranges[] = {
 	{ VOLTAGE_RANGE_18_33_V, },
 	{ VOLTAGE_RANGE_5_V, },
 };
 
-static const struct voltage_threshold volt_thresholds[] = {
+static const double thresholds[][2] = {
 	{ 0.7, 1.4 },
 	{ 1.4, 3.6 },
 };
@@ -188,7 +188,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
 		libusb_get_device_descriptor(devlist[i], &des);
 
-		usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+		if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
+			continue;
 
 		if (des.idVendor != LOGIC16_VID || des.idProduct != LOGIC16_PID)
 			continue;
@@ -218,11 +219,12 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 				libusb_get_device_address(devlist[i]), NULL);
 		} else {
 			if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
-					USB_CONFIGURATION, FX2_FIRMWARE) == SR_OK)
+					USB_CONFIGURATION, FX2_FIRMWARE) == SR_OK) {
 				/* Store when this device's FW was updated. */
 				devc->fw_updated = g_get_monotonic_time();
-			else
-				sr_err("Firmware upload failed.");
+			} else {
+				sr_err("Firmware upload failed, name %s.", FX2_FIRMWARE);
+			}
 			sdi->inst_type = SR_INST_USB;
 			sdi->conn = sr_usb_dev_inst_new(
 				libusb_get_bus_number(devlist[i]), 0xff, NULL);
@@ -266,7 +268,9 @@ static int logic16_dev_open(struct sr_dev_inst *sdi)
 			/*
 			 * Check device by its physical USB bus/port address.
 			 */
-			usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+			if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
+				continue;
+
 			if (strcmp(sdi->connection_id, connection_id))
 				/* This is not the one. */
 				continue;
@@ -403,13 +407,10 @@ static int config_get(uint32_t key, GVariant **data,
 {
 	struct dev_context *devc;
 	struct sr_usb_dev_inst *usb;
-	char str[128];
-	int ret;
 	unsigned int i;
 
 	(void)cg;
 
-	ret = SR_OK;
 	switch (key) {
 	case SR_CONF_CONN:
 		if (!sdi || !sdi->conn)
@@ -419,8 +420,7 @@ static int config_get(uint32_t key, GVariant **data,
 			/* Device still needs to re-enumerate after firmware
 			 * upload, so we don't know its (future) address. */
 			return SR_ERR;
-		snprintf(str, 128, "%d.%d", usb->bus, usb->address);
-		*data = g_variant_new_string(str);
+		*data = g_variant_new_printf("%d.%d", usb->bus, usb->address);
 		break;
 	case SR_CONF_SAMPLERATE:
 		if (!sdi)
@@ -438,36 +438,30 @@ static int config_get(uint32_t key, GVariant **data,
 		if (!sdi)
 			return SR_ERR;
 		devc = sdi->priv;
-		ret = SR_ERR;
-		for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
-			if (devc->selected_voltage_range !=
-			    volt_thresholds_ranges[i].range)
+		for (i = 0; i < ARRAY_SIZE(thresholds); i++) {
+			if (devc->selected_voltage_range != thresholds_ranges[i].range)
 				continue;
-			*data = std_gvar_tuple_double(volt_thresholds[i].low, volt_thresholds[i].high);
-			ret = SR_OK;
-			break;
+			*data = std_gvar_tuple_double(thresholds[i][0], thresholds[i][1]);
+			return SR_OK;
 		}
-		break;
+		return SR_ERR;
 	default:
 		return SR_ERR_NA;
 	}
 
-	return ret;
+	return SR_OK;
 }
 
 static int config_set(uint32_t key, GVariant *data,
 	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
-	gdouble low, high;
-	int ret;
-	unsigned int i;
+	int idx;
 
 	(void)cg;
 
 	devc = sdi->priv;
 
-	ret = SR_OK;
 	switch (key) {
 	case SR_CONF_SAMPLERATE:
 		devc->cur_samplerate = g_variant_get_uint64(data);
@@ -477,26 +471,17 @@ static int config_set(uint32_t key, GVariant *data,
 		break;
 	case SR_CONF_CAPTURE_RATIO:
 		devc->capture_ratio = g_variant_get_uint64(data);
-		ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK;
 		break;
 	case SR_CONF_VOLTAGE_THRESHOLD:
-		g_variant_get(data, "(dd)", &low, &high);
-		ret = SR_ERR_ARG;
-		for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
-			if (fabs(volt_thresholds[i].low - low) < 0.1 &&
-			    fabs(volt_thresholds[i].high - high) < 0.1) {
-				devc->selected_voltage_range =
-					volt_thresholds_ranges[i].range;
-				ret = SR_OK;
-				break;
-			}
-		}
+		if ((idx = std_double_tuple_idx(data, ARRAY_AND_SIZE(thresholds))) < 0)
+			return SR_ERR_ARG;
+		devc->selected_voltage_range = thresholds_ranges[idx].range;
 		break;
 	default:
-		ret = SR_ERR_NA;
+		return SR_ERR_NA;
 	}
 
-	return ret;
+	return SR_OK;
 }
 
 static int config_list(uint32_t key, GVariant **data,
@@ -510,7 +495,7 @@ static int config_list(uint32_t key, GVariant **data,
 		*data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates));
 		break;
 	case SR_CONF_VOLTAGE_THRESHOLD:
-		*data = std_gvar_thresholds(ARRAY_AND_SIZE(volt_thresholds));
+		*data = std_gvar_thresholds(ARRAY_AND_SIZE(thresholds));
 		break;
 	case SR_CONF_TRIGGER_MATCH:
 		*data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
@@ -667,7 +652,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	if ((trigger = sr_session_trigger_get(sdi->session))) {
 		int pre_trigger_samples = 0;
 		if (devc->limit_samples > 0)
-			pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100;
+			pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100;
 		devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
 		if (!devc->stl)
 			return SR_ERR_MALLOC;