X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fgwinstek-gpd%2Fapi.c;h=aff3a7a2faf4d2885c05db94b513d64448a4ecf5;hb=1c5d5905a44f8e3abbb9327cb47e80d09eb2dc6a;hp=ac2fe2e17409d8567a6e765f08a35119c826df3a;hpb=f1e82915a88bcbb4d76a9c36c896c24c19c33a3a;p=libsigrok.git

diff --git a/src/hardware/gwinstek-gpd/api.c b/src/hardware/gwinstek-gpd/api.c
index ac2fe2e1..aff3a7a2 100644
--- a/src/hardware/gwinstek-gpd/api.c
+++ b/src/hardware/gwinstek-gpd/api.c
@@ -60,6 +60,16 @@ static const struct gpd_model models[] = {
 			{ { 0, 30, 0.001 }, { 0, 3, 0.001 } },
 		},
 	},
+	{ GPD_3303S, "GPD-3303S",
+		CHANMODE_INDEPENDENT,
+		2,
+		{
+			/* Channel 1 */
+			{ { 0, 32, 0.001 }, { 0, 3.2, 0.001 } },
+			/* Channel 2 */
+			{ { 0, 32, 0.001 }, { 0, 3.2, 0.001 } },
+		},
+	},
 };
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
@@ -72,7 +82,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	GSList *l;
 	struct sr_serial_dev_inst *serial;
 	struct sr_dev_inst *sdi;
-	char reply[50];
+	char reply[100];
 	unsigned int i;
 	struct dev_context *devc;
 	char channel[10];
@@ -107,7 +117,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
 		return NULL;
 
-	serial_flush(serial);
 	gpd_send_cmd(serial, "*IDN?\n");
 	if (gpd_receive_reply(serial, reply, sizeof(reply)) != SR_OK) {
 		sr_err("Device did not reply.");
@@ -170,8 +179,16 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	if (sscanf(reply, "%1u%1u%1u%1u%1u%1u%1u%1u", &cc_cv_ch1,
 			&cc_cv_ch2, &track1, &track2, &beep,
 			&devc->output_enabled, &baud1, &baud2) != 8) {
-		sr_err("Invalid reply to STATUS: '%s'.", reply);
-		goto error;
+		/* old firmware (< 2.00?) responds with different format */
+		if (sscanf(reply, "%1u %1u %1u %1u %1u X %1u X", &cc_cv_ch1,
+			   &cc_cv_ch2, &track1, &track2, &beep,
+			   &devc->output_enabled) != 6) {
+			sr_err("Invalid reply to STATUS: '%s'.", reply);
+			goto error;
+		}
+		/* ignore remaining two lines of status message */
+		gpd_receive_reply(serial, reply, sizeof(reply));
+		gpd_receive_reply(serial, reply, sizeof(reply));
 	}
 
 	for (i = 0; i < model->num_channels; ++i) {
@@ -220,7 +237,7 @@ error:
 static int config_get(uint32_t key, GVariant **data,
 	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-	int ret, channel;
+	int channel;
 	const struct dev_context *devc;
 	const struct sr_channel *ch;
 
@@ -231,6 +248,9 @@ static int config_get(uint32_t key, GVariant **data,
 
 	if (!cg) {
 		switch (key) {
+		case SR_CONF_LIMIT_SAMPLES:
+		case SR_CONF_LIMIT_MSEC:
+			return sr_sw_limits_config_get(&devc->limits, key, data);
 		case SR_CONF_CHANNEL_CONFIG:
 			*data = g_variant_new_string(
 				channel_modes[devc->channel_mode]);
@@ -244,7 +264,6 @@ static int config_get(uint32_t key, GVariant **data,
 	} else {
 		ch = cg->channels->data;
 		channel = ch->index;
-		ret = SR_OK;
 		switch (key) {
 		case SR_CONF_VOLTAGE:
 			*data = g_variant_new_double(
@@ -267,7 +286,7 @@ static int config_get(uint32_t key, GVariant **data,
 		}
 	}
 
-	return ret;
+	return SR_OK;
 }
 
 static int config_set(uint32_t key, GVariant *data,