hwdriver: Change TRIGGER_SLOPE setting to string type.

[libsigrok.git] / hardware / hameg-hmo / api.c

diff --git a/hardware/hameg-hmo/api.c b/hardware/hameg-hmo/api.c
index 2dd3c011a87712dfc184a19d1ea886db1cdd0112..b63ee51bb8cf4347032e6bb8920c66d77c38e8a0 100644 (file)
--- a/hardware/hameg-hmo/api.c
+++ b/hardware/hameg-hmo/api.c
@@ -513,7 +513,7 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
        struct scope_config *model;
        struct scope_state *state;
        const char *tmp;
-       uint64_t p, q, tmp_u64;
+       uint64_t p, q;
        double tmp_d;
        gboolean update_sample_rate;
 
@@ -612,16 +612,16 @@ static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
                ret = sr_scpi_send(sdi->conn, command);
                break;
        case SR_CONF_TRIGGER_SLOPE:
-               tmp_u64 = g_variant_get_uint64(data);
+               tmp = g_variant_get_string(data, NULL);
 
-               if (tmp_u64 != 0 && tmp_u64 != 1)
-                       return SR_ERR;
+               if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
+                       return SR_ERR_ARG;
 
-               state->trigger_slope = tmp_u64;
+               state->trigger_slope = (tmp[0] == 'r') ? 0 : 1;
 
                g_snprintf(command, sizeof(command),
                           (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE],
-                          tmp_u64 ? "POS" : "NEG");
+                          (state->trigger_slope == 0) ? "POS" : "NEG");
 
                ret = sr_scpi_send(sdi->conn, command);
                break;