hantek-dso: Support SR_CONF_NUM_TIMEBASE/SR_CONF_NUM_VDIV

diff --git a/hardware/hantek-dso/api.c b/hardware/hantek-dso/api.c
index 7579ad7e6a943598e5104e0838f5c3b770d8b5cd..c5540b7458c709be3fefb522a8de1f3417e50e9e 100644 (file)
--- a/hardware/hantek-dso/api.c
+++ b/hardware/hantek-dso/api.c
@@ -37,6 +37,9 @@
 /* TODO tune this properly */
 #define TICK 1
 
+#define NUM_TIMEBASE  10
+#define NUM_VDIV      8
+
 static const int32_t devopts[] = {
        SR_CONF_OSCILLOSCOPE,
        SR_CONF_LIMIT_FRAMES,
@@ -49,6 +52,8 @@ static const int32_t devopts[] = {
        SR_CONF_FILTER,
        SR_CONF_VDIV,
        SR_CONF_COUPLING,
+       SR_CONF_NUM_TIMEBASE,
+       SR_CONF_NUM_VDIV,
 };
 
 static const char *probe_names[] = {
@@ -411,6 +416,25 @@ 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;
@@ -924,7 +948,7 @@ SR_PRIV struct sr_dev_driver hantek_dso_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,