1/****************************************************************************** 2 * 3 * Copyright (C) 2009-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19/****************************************************************************** 20 * 21 * Filename: bt_hci_bdroid.h 22 * 23 * Description: A wrapper header file of bt_hci_lib.h 24 * 25 * Contains definitions specific for interfacing with Bluedroid 26 * Bluetooth stack 27 * 28 ******************************************************************************/ 29 30#pragma once 31 32#ifdef HAS_BDROID_BUILDCFG 33#include "bdroid_buildcfg.h" 34#endif 35 36/****************************************************************************** 37** Constants & Macros 38******************************************************************************/ 39 40#if __STDC_VERSION__ < 199901L 41# ifndef FALSE 42# define FALSE 0 43# endif 44# ifndef TRUE 45# define TRUE (!FALSE) 46# endif 47#else 48# include <stdbool.h> 49# ifndef FALSE 50# define FALSE false 51# endif 52# ifndef TRUE 53# define TRUE true 54# endif 55#endif 56 57#define HCI_ACL_MAX_SIZE 1024 58#define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4) 59 60/* Host/Controller lib internal event ID */ 61typedef enum { 62 HC_EVENT_LPM_IDLE_TIMEOUT, 63} bthc_event_t; 64 65/* Message event mask across Host/Controller lib and stack */ 66#define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ 67#define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ 68 69/* Message event ID passed from Host/Controller lib to stack */ 70#define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ 71#define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ 72#define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ 73#define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ 74#define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */ 75 76/* Message event ID passed from stack to vendor lib */ 77#define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ 78#define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ 79#define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ 80 81/* Local Bluetooth Controller ID for BR/EDR */ 82#define LOCAL_BR_EDR_CONTROLLER_ID 0 83 84/****************************************************************************** 85** Type definitions and return values 86******************************************************************************/ 87 88typedef struct 89{ 90 uint16_t event; 91 uint16_t len; 92 uint16_t offset; 93 uint16_t layer_specific; 94 uint8_t data[]; 95} HC_BT_HDR; 96 97#define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR)) 98 99typedef struct _hc_buffer_hdr 100{ 101 struct _hc_buffer_hdr *p_next; /* next buffer in the queue */ 102 uint8_t reserved1; 103 uint8_t reserved2; 104 uint8_t reserved3; 105 uint8_t reserved4; 106} HC_BUFFER_HDR_T; 107 108#define BT_HC_BUFFER_HDR_SIZE (sizeof(HC_BUFFER_HDR_T)) 109 110/****************************************************************************** 111** Extern variables and functions 112******************************************************************************/ 113 114/****************************************************************************** 115** Functions 116******************************************************************************/ 117 118// Called when a buffer has been produced by the serial layer and should be 119// processed by the HCI layer. 120void bthc_rx_ready(void); 121void bthc_tx(HC_BT_HDR *buf); 122void bthc_idle_timeout(void); 123