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 #include <stdbool.h> 41 42 #define HCI_ACL_MAX_SIZE 1024 43 #define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4) 44 45 /* Host/Controller lib internal event ID */ 46 typedef enum { 47 HC_EVENT_LPM_IDLE_TIMEOUT, 48 } bthc_event_t; 49 50 /* Message event mask across Host/Controller lib and stack */ 51 #define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */ 52 #define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */ 53 54 /* Message event ID passed from Host/Controller lib to stack */ 55 #define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */ 56 #define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */ 57 #define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */ 58 #define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */ 59 #define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* BT_EVT_TO_BTU_L2C_SEG_XMIT */ 60 61 /* Message event ID passed from stack to vendor lib */ 62 #define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */ 63 #define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */ 64 #define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */ 65 66 /* Local Bluetooth Controller ID for BR/EDR */ 67 #define LOCAL_BR_EDR_CONTROLLER_ID 0 68 69 /****************************************************************************** 70 * Type definitions and return values 71 *****************************************************************************/ 72 73 typedef struct { 74 uint16_t event; 75 uint16_t len; 76 uint16_t offset; 77 uint16_t layer_specific; 78 uint8_t data[]; 79 } HC_BT_HDR; 80 81 #define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR)) 82 83 /****************************************************************************** 84 * Extern variables and functions 85 *****************************************************************************/ 86 87 /****************************************************************************** 88 * Functions 89 *****************************************************************************/ 90 91 // Called when a buffer has been produced by the serial layer and should be 92 // processed by the HCI layer. 93 void bthc_rx_ready(void); 94 void bthc_tx(HC_BT_HDR* buf); 95 void bthc_idle_timeout(void); 96
