hwdriver: Change TRIGGER_SLOPE setting to string type.

[libsigrok.git] / hardware / link-mso19 / api.c

diff --git a/hardware/link-mso19/api.c b/hardware/link-mso19/api.c
index e283a2cb7fb9cacf94ef2409c18da3c6124eba04..654f876ed853ec454376be525cff2f58f8bfa507 100644 (file)
--- a/hardware/link-mso19/api.c
+++ b/hardware/link-mso19/api.c
@@ -302,7 +302,8 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
 {
        int ret;
        struct dev_context *devc;
-       uint64_t num_samples, slope;
+       uint64_t num_samples;
+       const char *slope;
        int trigger_pos;
        double pos;
 
@@ -334,12 +335,14 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
                ret = SR_OK;
                break;
        case SR_CONF_TRIGGER_SLOPE:
-               slope = g_variant_get_uint64(data);
-               if (slope != SLOPE_NEGATIVE && slope != SLOPE_POSITIVE) {
+               slope = g_variant_get_string(data, NULL);
+
+               if (!slope || !(slope[0] == 'f' || slope[0] == 'r'))
                        sr_err("Invalid trigger slope");
                        ret = SR_ERR_ARG;
                } else {
-                       devc->trigger_slope = slope;
+                       devc->trigger_slope = (slope[0] == 'r')
+                               ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
                        ret = SR_OK;
                }
                break;