// 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 #include #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 esp_bt_controller_init(void); /** @brief esp_vhci_host_callback * used for vhci call host function to notify what host need to do */ typedef struct esp_vhci_host_callback { void (*notify_host_send_available)(void); /*!< callback used to notify that the host can send packet to controller */ int (*notify_host_recv)(uint8_t *data, uint16_t len); /*!< callback used to notify that the controller has a packet to send to the host*/ } esp_vhci_host_callback_t; /** @brief esp_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 esp_vhci_host_check_send_available(void); /** @brief esp_vhci_host_send_packet * host send packet to controller * @param data the packet point *,@param len the packet length */ void esp_vhci_host_send_packet(uint8_t *data, uint16_t len); /** @brief esp_vhci_host_register_callback * register the vhci referece callback, the call back * struct defined by vhci_host_callback structure. * @param callback esp_vhci_host_callback type variable */ void esp_vhci_host_register_callback(const esp_vhci_host_callback_t *callback); #ifdef __cplusplus } #endif #endif /* __BT_H__ */