1 files changed, 68 insertions, 0 deletions
diff --git a/Shared-Interface/audio-interface.h b/Shared-Interface/audio-interface.h
new file mode 100644
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--- /dev/null
+++ b/Shared-Interface/audio-interface.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * reference: 
+ *   amixer contents; amixer controls;
+ *   http://www.tldp.org/HOWTO/Alsa-sound-6.html 
+ */
+
+#ifndef AUDIOCOMMON_H
+#define AUDIOCOMMON_H
+
+#include <json-c/json.h>
+#include <afb/afb-binding.h>
+#include <afb/afb-service-itf.h>
+
+#ifndef PUBLIC
+  #define PUBLIC
+#endif
+#define STATIC static
+
+// Most controls are MIXER but some vendor specific are possible
+typedef enum {
+    OUTVOL,
+    PCMVOL,
+    INVOL,
+    SWITCH,
+    ROUTE,
+    CARD,
+    ENUM,
+} halGroupEnumT;
+
+typedef enum {
+    READ,
+    WRITE,
+    RW,
+} halAclEnumT;
+
+typedef enum {
+   StartHalCrlTag=0,
+
+   // HighLevel Audio Control List
+   Master_Playback_Volume,
+   PCM_Playback_Volume,
+   PCM_Playback_Switch,
+   Capture_Volume,
+
+   EndHalCrlTag // used to compute number of ctls
+} halCtlsEnumT;
+
+PUBLIC int cbCheckResponse(struct afb_req request, int iserror, struct json_object *result) ;
+PUBLIC json_object* afb_service_call_sync(struct afb_service srvitf, struct afb_req request, char* api, char* verb, struct json_object* queryurl);
+PUBLIC void pingtest(struct afb_req request);
+
+#endif /* AUDIOCOMMON_H */
+