drivers: Start counting at 0 for some loops.

[libsigrok.git] / src / hardware / lecroy-xstream / api.c

diff --git a/src/hardware/lecroy-xstream/api.c b/src/hardware/lecroy-xstream/api.c
index 62cb967b560ad8530ad96bf034df43c387d68018..a9d9e044b653a9bbb0bf3ad4dbca0962de5b2a0f 100644 (file)
--- 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;