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hameg-hmo: fix "invalid argument" exception when setting trigger edges 

The hameg-hmo driver uses the values from the trigger_slopes array.
This commit is contained in:
Stefan Brüns 2016-04-10 22:52:30 +02:00 committed by Uwe Hermann
parent da1726cc4c
commit e3abd15d08
1 changed files with 10 additions and 10 deletions
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20
src/hardware/hameg-hmo/api.c
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@ -437,17 +437,17 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
break;
case SR_CONF_TRIGGER_SLOPE:
tmp = g_variant_get_string(data, NULL);
for (i = 0; (*model->trigger_slopes)[i]; i++) {
if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0)
continue;
state->trigger_slope = i;
g_snprintf(command, sizeof(command),
(*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
(*model->trigger_slopes)[i]);
if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
return SR_ERR_ARG;
state->trigger_slope = (tmp[0] == 'r') ? 0 : 1;
g_snprintf(command, sizeof(command),
(*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
(state->trigger_slope == 0) ? "POS" : "NEG");
ret = sr_scpi_send(sdi->conn, command);
ret = sr_scpi_send(sdi->conn, command);
break;
}
break;
case SR_CONF_COUPLING:
if (cg_type == CG_NONE) {