From 43034ac1a9b5dab3b945ef3fd5b3710751a97cd8 Mon Sep 17 00:00:00 2001
From: Tobias Jahnke <tjahnk@users.noreply.github.com>
Date: Thu, 2 Nov 2017 10:12:37 +0100
Subject: Now supports initial request of sound card values

---
 MOST_UNICENS/hal_most_unicens.c | 62 ++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 29 deletions(-)

diff --git a/MOST_UNICENS/hal_most_unicens.c b/MOST_UNICENS/hal_most_unicens.c
index b853d86..775f2c4 100644
--- a/MOST_UNICENS/hal_most_unicens.c
+++ b/MOST_UNICENS/hal_most_unicens.c
@@ -34,44 +34,48 @@ static int master_volume;
 static json_bool master_switch;
 static int pcm_volume[PCM_MAX_CHANNELS];
 
-static void unicens_request_card_values_cb(void *closure, int status, struct json_object *j_response) {
+static void unicens_apply_card_value(void *closure, struct json_object *j_obj){
     
-    json_object *j_obj;
-    int num_id;
+    int num_id = 0;
     int values[6];
     
-    AFB_INFO("unicens_request_card_values_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_response));
-    
-    json_object_object_get_ex(j_response, "response", &j_obj);
-    
-    if (json_object_is_type(j_obj, json_type_object)) {
-       
-    }
-    else if (json_object_is_type(j_obj, json_type_array)) {
-        AFB_ERROR("unicens_request_card_values_cb: array not handled yet");
-        return;
-    }
-    else {
-        AFB_ERROR("unicens_request_card_values_cb: unknown response type");
-        return;
+    /* apply master volume */
+    if (wrap_json_unpack(j_obj, "{s:i, s:[i!]}", "id", &num_id, "val", 
+            &values[0])
+            == 0) {
+        if (num_id == 1) {
+            AFB_NOTICE("unicens_apply_card_value: num_id: %d, value: %d",
+                    num_id,
+                    values[0]);
+            wrap_volume_master(values[0]);
+            return;
+        }
     }
-    
+
     if (wrap_json_unpack(j_obj, "{s:i, s:[iiiiii!]}", "id", &num_id, "val", 
             &values[0], &values[1], &values[2], &values[3], &values[4], &values[5])
             == 0) {
-        AFB_NOTICE("unicens_request_card_values_cb: success, num id:%d", num_id);
-    }
-    else {
-        AFB_ERROR("unicens_request_card_values_cb: unpack failure");
-        return;
+        if (num_id == 2) {
+            AFB_NOTICE("unicens_apply_card_value: success, num_id: %d", num_id);
+            wrap_volume_pcm(&values[0], 6);
+            return;
+        }
     }
     
-#if 0
-    if (num_id == 2) {
-        wrap_volume_pcm(&values[0], 6);
-    }
-#endif
+    AFB_ERROR("unicens_apply_card_value: no card value applied");
+}
+
+
+static void unicens_request_card_values_cb(void *closure, int status, struct json_object *j_response) {
+    
+    json_object *j_obj;
     
+    AFB_INFO("unicens_request_card_values_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_response));
+    
+    if (json_object_object_get_ex(j_response, "response", &j_obj)) {
+        
+        wrap_json_optarray_for_all(j_obj, &unicens_apply_card_value, NULL);
+    }
 }
 
 __attribute__ ((unused)) static void unicens_request_card_values(const char* dev_id) {
@@ -209,7 +213,7 @@ STATIC int unicens_service_init() {
     }
     
     /* request of initial card values */
-    /* unicens_request_card_values(ALSA_DEVICE_ID); */
+    unicens_request_card_values(ALSA_DEVICE_ID);
     
 OnErrorExit:
     AFB_NOTICE("Initializing HAL-MOST-UNICENS-BINDING done..");
-- 
cgit 1.2.3-korg