migrating to esp-idf V4.0 gcc 8.2 and CMake

components/platform_bluetooth/platform_bt_sink.h

@@ -0,0 +1,35 @@
+/*
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#ifndef __BT_APP_SINK_H__
+#define __BT_APP_SINK_H__
+
+#include <stdint.h>
+#include <platform_bt_core.h>
+typedef enum { 	BT_SINK_CONNECTED, BT_SINK_DISCONNECTED, BT_SINK_AUDIO_STARTED, BT_SINK_AUDIO_STOPPED, BT_SINK_PLAY, BT_SINK_STOP, BT_SINK_PAUSE, 
+				BT_SINK_RATE, BT_SINK_VOLUME, BT_SINK_METADATA, BT_SINK_PROGRESS } bt_sink_cmd_t;
+				
+typedef bool (*bt_cmd_vcb_t)(bt_sink_cmd_t cmd, va_list args);
+typedef void (*bt_data_cb_t)(const uint8_t *data, uint32_t len);
+
+/**
+ * @brief     init sink mode (need to be provided)
+ */
+void bt_sink_init(bt_cmd_vcb_t cmd_cb, bt_data_cb_t data_cb);
+
+/**
+ * @brief     deinit sink mode (need to be provided)
+ */
+void bt_sink_deinit(void);
+
+/**
+ * @brief     force disconnection
+ */
+void bt_disconnect(void);
+
+#endif /* __BT_APP_SINK_H__*/