esp-idf/components/bt/include/bt.h
2016-11-01 01:21:18 +08:00

69 lines
2.0 KiB
C

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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 __BT_H__
#define __BT_H__
#include <stdint.h>
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initialize BT controller
*
* This function should be called only once, before any other BT functions are called.
*/
void bt_controller_init(void);
/** @brief vhci_host_callback
* used for vhci call host function to notify what host need to do
*
* notify_host_send_available: notify host can send packet to controller
* notify_host_recv: notify host that controller has packet send to host
*/
typedef struct vhci_host_callback {
void (*notify_host_send_available)(void);
int (*notify_host_recv)(uint8_t *data, uint16_t len);
} vhci_host_callback_t;
/** @brief API_vhci_host_check_send_available
* used for check actively if the host can send packet to controller or not.
* @return true for ready to send, false means cannot send packet
*/
bool API_vhci_host_check_send_available(void);
/** @brief API_vhci_host_send_packet
* host send packet to controller
* @param data the packet point
*,@param len the packet length
*/
void API_vhci_host_send_packet(uint8_t *data, uint16_t len);
/** @brief API_vhci_host_register_callback
* register the vhci referece callback, the call back
* struct defined by vhci_host_callback structure.
* @param callback vhci_host_callback type variable
*/
void API_vhci_host_register_callback(const vhci_host_callback_t *callback);
#ifdef __cplusplus
}
#endif
#endif /* __BT_H__ */