/****************************************************************************** * * Copyright 2009-2012 Broadcom Corporation * * 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. * ******************************************************************************/ /****************************************************************************** * * Filename: bt_hci_bdroid.h * * Description: A wrapper header file of bt_hci_lib.h * * Contains definitions specific for interfacing with Bluedroid * Bluetooth stack * ******************************************************************************/ #pragma once #ifdef HAS_BDROID_BUILDCFG #include "bdroid_buildcfg.h" #endif /****************************************************************************** * Constants & Macros *****************************************************************************/ #include <stdbool.h> #include <stdint.h> #define HCI_ACL_MAX_SIZE 1024 #define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4) /* Host/Controller lib internal event ID */ typedef enum { HC_EVENT_LPM_IDLE_TIMEOUT, } bthc_event_t; /* Message event mask across Host/Controller lib and stack */ #define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ /* Message event ID passed from Host/Controller lib to stack */ #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ #define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ #define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ #define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* BT_EVT_TO_BTU_L2C_SEG_XMIT */ /* Message event ID passed from stack to vendor lib */ #define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ #define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ /* Local Bluetooth Controller ID for BR/EDR */ #define LOCAL_BR_EDR_CONTROLLER_ID 0 /****************************************************************************** * Type definitions and return values *****************************************************************************/ typedef struct { uint16_t event; uint16_t len; uint16_t offset; uint16_t layer_specific; uint8_t data[]; } HC_BT_HDR; #define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR)) /****************************************************************************** * Extern variables and functions *****************************************************************************/ /****************************************************************************** * Functions *****************************************************************************/ // Called when a buffer has been produced by the serial layer and should be // processed by the HCI layer. void bthc_rx_ready(void); void bthc_tx(HC_BT_HDR* buf); void bthc_idle_timeout(void);