X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fagilent-dmm%2Fapi.c;h=59bb9ffab93c7aa9d0e4d00cb4b70808562f35d3;hb=ce4bd05256a891d45b0013c33cdd9f2597c3bc80;hp=fb40818fc191bea048d056ce7c289802e013df43;hpb=64c536be5257604fb92bc727ed17cab626c1d455;p=libsigrok.git

diff --git a/src/hardware/agilent-dmm/api.c b/src/hardware/agilent-dmm/api.c
index fb40818f..59bb9ffa 100644
--- a/src/hardware/agilent-dmm/api.c
+++ b/src/hardware/agilent-dmm/api.c
@@ -116,9 +116,8 @@ static GSList *scan(GSList *options)
 		return NULL;
 
 	serial_flush(serial);
-	if (serial_write_blocking(serial, "*IDN?\r\n", 7) == -1) {
-		sr_err("Unable to send identification string: %s.",
-		       strerror(errno));
+	if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
+		sr_err("Unable to send identification string.");
 		return NULL;
 	}
 
@@ -137,9 +136,11 @@ static GSList *scan(GSList *options)
 		for (i = 0; supported_agdmm[i].model; i++) {
 			if (strcmp(supported_agdmm[i].modelname, tokens[1]))
 				continue;
-			if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Agilent",
-					tokens[1], tokens[3])))
-				return NULL;
+			sdi = sr_dev_inst_new();
+			sdi->status = SR_ST_INACTIVE;
+			sdi->vendor = g_strdup("Agilent");
+			sdi->model = g_strdup(tokens[1]);
+			sdi->version = g_strdup(tokens[3]);
 			if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
 				sr_err("Device context malloc failed.");
 				return NULL;
@@ -228,8 +229,12 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
 		break;
 	case SR_CONF_DEVICE_OPTIONS:
-		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+		if (!sdi)
+			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+					devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
+		else
+			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
+					devopts, 0, sizeof(uint32_t));
 		break;
 	default:
 		return SR_ERR_NA;