X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Flecroy-xstream%2Fapi.c;h=a9d9e044b653a9bbb0bf3ad4dbca0962de5b2a0f;hb=d1ac53ccd5a5cf3b40539bb26509321cbc7df6b7;hp=62cb967b560ad8530ad96bf034df43c387d68018;hpb=b3fd09937ce099d5a7086ff6bbdfa1b4f371cabd;p=libsigrok.git

diff --git a/src/hardware/lecroy-xstream/api.c b/src/hardware/lecroy-xstream/api.c
index 62cb967b..a9d9e044 100644
--- a/src/hardware/lecroy-xstream/api.c
+++ b/src/hardware/lecroy-xstream/api.c
@@ -241,12 +241,12 @@ static int config_set(uint32_t key, GVariant *data,
 	case SR_CONF_VDIV:
 		if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
 			return SR_ERR_ARG;
-		for (j = 1; j <= model->analog_channels; j++) {
-			if (cg != devc->analog_groups[j - 1])
+		for (j = 0; j < model->analog_channels; j++) {
+			if (cg != devc->analog_groups[j])
 				continue;
-			state->analog_channels[j - 1].vdiv = idx;
+			state->analog_channels[j].vdiv = idx;
 			g_snprintf(command, sizeof(command),
-				"C%d:VDIV %E", j, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]);
+				"C%d:VDIV %E", j + 1, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]);
 			if (sr_scpi_send(sdi->conn, command) != SR_OK ||
 			    sr_scpi_get_opc(sdi->conn) != SR_OK)
 				return SR_ERR;
@@ -290,12 +290,12 @@ static int config_set(uint32_t key, GVariant *data,
 	case SR_CONF_COUPLING:
 		if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
 			return SR_ERR_ARG;
-		for (j = 1; j <= model->analog_channels; j++) {
-			if (cg != devc->analog_groups[j - 1])
+		for (j = 0; j < model->analog_channels; j++) {
+			if (cg != devc->analog_groups[j])
 				continue;
-			state->analog_channels[j - 1].coupling = idx;
+			state->analog_channels[j].coupling = idx;
 			g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
-					j, (*model->coupling_options)[idx]);
+					j + 1, (*model->coupling_options)[idx]);
 			if (sr_scpi_send(sdi->conn, command) != SR_OK ||
 			    sr_scpi_get_opc(sdi->conn) != SR_OK)
 				return SR_ERR;