hwdriver: Change TRIGGER_SLOPE setting to string type.

[libsigrok.git] / hardware / hantek-dso / api.c

diff --git a/hardware/hantek-dso/api.c b/hardware/hantek-dso/api.c
index 3da04264b5279b3c43af0f2ae1da43f0d3a721d1..41c78290ef79b38a77341276de1292ca3cb93a3b 100644 (file)
--- a/hardware/hantek-dso/api.c
+++ b/hardware/hantek-dso/api.c
@@ -478,10 +478,11 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
                devc->limit_frames = g_variant_get_uint64(data);
                break;
        case SR_CONF_TRIGGER_SLOPE:
-               tmp_u64 = g_variant_get_uint64(data);
-               if (tmp_u64 != SLOPE_NEGATIVE && tmp_u64 != SLOPE_POSITIVE)
-                       ret = SR_ERR_ARG;
-               devc->triggerslope = tmp_u64;
+               tmp_str = g_variant_get_string(data, NULL);
+               if (!tmp_str || !(tmp_str[0] == 'f' || tmp_str[0] == 'r'))
+                       return SR_ERR_ARG;
+               devc->triggerslope = (tmp_str[0] == 'r')
+                       ? SLOPE_POSITIVE : SLOPE_NEGATIVE;
                break;
        case SR_CONF_HORIZ_TRIGGERPOS:
                tmp_double = g_variant_get_double(data);