drivers: Factor out std_gvar_thresholds().

[libsigrok.git] / src / std.c

diff --git a/src/std.c b/src/std.c
index 3561c590bbe60d0d74f58de55ab1ca53b583e809..33e926563b2df1f6c0b82a181d017207b7f8953f 100644 (file)
--- a/src/std.c
+++ b/src/std.c
@@ -684,3 +684,21 @@ SR_PRIV GVariant *std_gvar_array_u64(const uint64_t *a, unsigned int n)
        return g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
                                a, n, sizeof(uint64_t));
 }
+
+SR_PRIV GVariant *std_gvar_thresholds(const struct voltage_threshold a[], unsigned int n)
+{
+       unsigned int i;
+       GVariant *gvar, *range[2];
+       GVariantBuilder gvb;
+
+       g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+
+       for (i = 0; i < n; i++) {
+               range[0] = g_variant_new_double(a[i].low);
+               range[1] = g_variant_new_double(a[i].high);
+               gvar = g_variant_new_tuple(range, 2);
+               g_variant_builder_add_value(&gvb, gvar);
+       }
+
+       return g_variant_builder_end(&gvb);
+}