From: Uwe Hermann <redacted>
Date: Thu, 20 Jul 2017 21:09:15 +0000 (+0200)
Subject: drivers: Factor out std_gvar_min_max_step_thresholds().
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=7bc3cfe6ffefb8d4768a247df6a0c4dccc21ee53

drivers: Factor out std_gvar_min_max_step_thresholds().
---

diff --git a/src/hardware/dreamsourcelab-dslogic/api.c b/src/hardware/dreamsourcelab-dslogic/api.c
index c8bdb6d1..41f8a737 100644
--- a/src/hardware/dreamsourcelab-dslogic/api.c
+++ b/src/hardware/dreamsourcelab-dslogic/api.c
@@ -555,7 +555,6 @@ static int config_list(uint32_t key, GVariant **data,
 	GVariant *gvar, *range[2];
 	GVariantBuilder gvb;
 	unsigned int i;
-	double v;
 
 	devc = (sdi) ? sdi->priv : NULL;
 
@@ -564,23 +563,18 @@ static int config_list(uint32_t key, GVariant **data,
 	case SR_CONF_DEVICE_OPTIONS:
 		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 	case SR_CONF_VOLTAGE_THRESHOLD:
-		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
 		if (!strcmp(devc->profile->model, "DSLogic")) {
+			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
 			for (i = 0; i < ARRAY_SIZE(voltage_thresholds); i++) {
 				range[0] = g_variant_new_double(voltage_thresholds[i].low);
 				range[1] = g_variant_new_double(voltage_thresholds[i].high);
 				gvar = g_variant_new_tuple(range, 2);
 				g_variant_builder_add_value(&gvb, gvar);
 			}
+			*data = g_variant_builder_end(&gvb);
 		} else {
-			for (v = 0.0; v <= 5.0; v += 0.1) {
-				range[0] = g_variant_new_double(v);
-				range[1] = g_variant_new_double(v);
-				gvar = g_variant_new_tuple(range, 2);
-				g_variant_builder_add_value(&gvb, gvar);
-			}
+			*data = std_gvar_min_max_step_thresholds(0.0, 5.0, 0.1);
 		}
-		*data = g_variant_builder_end(&gvb);
 		break;
 	case SR_CONF_SAMPLERATE:
 		*data = std_gvar_samplerates(devc->samplerates, devc->num_samplerates);
diff --git a/src/hardware/zeroplus-logic-cube/api.c b/src/hardware/zeroplus-logic-cube/api.c
index e8cdefdb..dd0e66d5 100644
--- a/src/hardware/zeroplus-logic-cube/api.c
+++ b/src/hardware/zeroplus-logic-cube/api.c
@@ -391,10 +391,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 		const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
-	GVariant *gvar, *grange[2];
-	GVariantBuilder gvb;
-	double v;
-	GVariant *range[2];
+	GVariant *grange[2];
 
 	switch (key) {
 	case SR_CONF_DEVICE_OPTIONS:
@@ -417,14 +414,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 				sizeof(int32_t));
 		break;
 	case SR_CONF_VOLTAGE_THRESHOLD:
-		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-		for (v = -6.0; v <= 6.0; v += 0.1) {
-			range[0] = g_variant_new_double(v);
-			range[1] = g_variant_new_double(v);
-			gvar = g_variant_new_tuple(range, 2);
-			g_variant_builder_add_value(&gvb, gvar);
-		}
-		*data = g_variant_builder_end(&gvb);
+		*data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1);
 		break;
 	case SR_CONF_LIMIT_SAMPLES:
 		if (!sdi)
diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 61858ebb..112ee460 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -962,6 +962,7 @@ SR_PRIV GVariant *std_gvar_samplerates(const uint64_t samplerates[], unsigned in
 SR_PRIV GVariant *std_gvar_samplerates_steps(const uint64_t samplerates[], unsigned int n);
 SR_PRIV GVariant *std_gvar_min_max_step(double min, double max, double step);
 SR_PRIV GVariant *std_gvar_min_max_step_array(const double a[3]);
+SR_PRIV GVariant *std_gvar_min_max_step_thresholds(const double dmin, const double dmax, const double dstep);
 
 
 /*--- resource.c ------------------------------------------------------------*/
diff --git a/src/std.c b/src/std.c
index 5748ba02..45cc3a49 100644
--- a/src/std.c
+++ b/src/std.c
@@ -627,3 +627,22 @@ SR_PRIV GVariant *std_gvar_min_max_step_array(const double a[3])
 
 	return g_variant_builder_end(&gvb);
 }
+
+SR_PRIV GVariant *std_gvar_min_max_step_thresholds(const double min, const double max, const double step)
+{
+	double d;
+	GVariant *gvar, *range[2];
+	GVariantBuilder gvb;
+
+	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+
+	for (d = min; d <= max; d += step) {
+		range[0] = g_variant_new_double(d);
+		range[1] = g_variant_new_double(d);
+
+		gvar = g_variant_new_tuple(range, 2);
+		g_variant_builder_add_value(&gvb, gvar);
+	}
+
+	return g_variant_builder_end(&gvb);
+}