rigol-ds1xx2: Support SR_CONF_NUM_TIMEBASE/SR_CONF_NUM_VDIV

diff --git a/hardware/rigol-ds1xx2/api.c b/hardware/rigol-ds1xx2/api.c
index 61b3dbe141a4a81c840f2b0f8604f96e34fade7c..a357d63b85a9baa1aa645bbe82bc69704e9e808b 100644 (file)
--- a/hardware/rigol-ds1xx2/api.c
+++ b/hardware/rigol-ds1xx2/api.c
@@ -26,6 +26,9 @@
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
+#define NUM_TIMEBASE  12
+#define NUM_VDIV      8
+
 static const int32_t hwcaps[] = {
        SR_CONF_OSCILLOSCOPE,
        SR_CONF_LIMIT_SAMPLES,
@@ -35,6 +38,8 @@ static const int32_t hwcaps[] = {
        SR_CONF_HORIZ_TRIGGERPOS,
        SR_CONF_VDIV,
        SR_CONF_COUPLING,
+       SR_CONF_NUM_TIMEBASE,
+       SR_CONF_NUM_VDIV,
 };
 
 static const uint64_t timebases[][2] = {
@@ -304,6 +309,25 @@ static int hw_cleanup(void)
        return SR_OK;
 }
 
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
+{
+
+       (void)sdi;
+
+       switch (id) {
+       case SR_CONF_NUM_TIMEBASE:
+               *data = g_variant_new_int32(NUM_TIMEBASE);
+               break;
+       case SR_CONF_NUM_VDIV:
+               *data = g_variant_new_int32(NUM_VDIV);
+               break;
+       default:
+               return SR_ERR_ARG;
+       }
+
+       return SR_OK;
+}
+
 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -512,7 +536,7 @@ SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info = {
        .scan = hw_scan,
        .dev_list = hw_dev_list,
        .dev_clear = clear_instances,
-       .config_get = NULL,
+       .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
        .dev_open = hw_dev_open,