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/******************************************************************************
*
* 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_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_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
#define MSG_HC_TO_STACK_HCI_ISO 0x1700 /* eq. BT_EVT_TO_BTU_HCI_ISO */
#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_ISO 0x2d00 /* eq. BT_EVT_TO_LM_HCI_ISO */
#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);