1 files changed, 62 insertions, 0 deletions
diff --git a/AlsaSound/HALayer/SharedHal/SharedHalLib.h b/AlsaSound/HALayer/SharedHal/SharedHalLib.h
new file mode 100644
index 0000000..7cf4489
--- /dev/null
+++ b/AlsaSound/HALayer/SharedHal/SharedHalLib.h
@@ -0,0 +1,62 @@
+/*
+ * AlsaLibMapping -- provide low level interface with AUDIO lib (extracted from alsa-json-gateway code)
+ * Copyright (C) 2015,2016,2017, 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.
+ */
+
+#ifndef SHAREHALLIB_H
+#define SHAREHALLIB_H
+
+#include <stdio.h>
+#include "AudioCommonLib.h"
+
+typedef struct {
+     halCtlsEnumT control;
+     int numid;
+     halGroupEnumT group;
+     int values;
+     int minval;
+     int maxval;
+     int step;
+     halAclEnumT acl;
+} alsaHalCtlMapT;
+
+// avoid compiler warning [Jose does not like typedef :) ]
+typedef struct afb_service alsaHalServiceT;
+
+typedef struct {
+   struct json_object* (*callback)(alsaHalServiceT service, int control, int value, alsaHalCtlMapT *map, void* handle);
+   void* handle;        
+} alsaHalCbMapT;
+
+typedef struct {
+    alsaHalCtlMapT alsa;
+    alsaHalCbMapT cb;
+    char* info;
+} alsaHalMapT;
+
+typedef struct  {
+    const char  *prefix;
+    const char  *name;
+    const char  *info;
+    alsaHalMapT *ctls;
+    int (*initCB) (const struct afb_binding_interface *itf, struct afb_service service);
+    
+} alsaHalSndCardT;
+
+PUBLIC alsaHalSndCardT alsaHalSndCard;
+PUBLIC char* SharedHalLibVersion;
+
+#endif /* SHAREHALLIB_H */
+