136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2009-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* Filename: bt_hci_bdroid.h
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*
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* Description: A wrapper header file of bt_hci_lib.h
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*
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* Contains definitions specific for interfacing with Bluedroid
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* Bluetooth stack
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*
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******************************************************************************/
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#pragma once
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#include "bt_hci_lib.h"
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#ifdef HAS_BDROID_BUILDCFG
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#include "bdroid_buildcfg.h"
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#endif
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/******************************************************************************
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** Constants & Macros
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******************************************************************************/
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#if __STDC_VERSION__ < 199901L
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# ifndef FALSE
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# define FALSE 0
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# endif
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# ifndef TRUE
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# define TRUE (!FALSE)
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# endif
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#else
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# include <stdbool.h>
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# ifndef FALSE
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# define FALSE false
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# endif
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# ifndef TRUE
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# define TRUE true
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# endif
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#endif
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#define HCI_ACL_MAX_SIZE 1024
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#define HCI_MAX_FRAME_SIZE (HCI_ACL_MAX_SIZE + 4)
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/* Host/Controller lib internal event ID */
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typedef enum {
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HC_EVENT_LPM_IDLE_TIMEOUT,
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} bthc_event_t;
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#define MSG_CTRL_TO_HC_CMD 0x0100 /* evt mask used by HC_EVENT_TX_CMD */
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/* Message event mask across Host/Controller lib and stack */
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#define MSG_EVT_MASK 0xFF00 /* eq. BT_EVT_MASK */
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#define MSG_SUB_EVT_MASK 0x00FF /* eq. BT_SUB_EVT_MASK */
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/* Message event ID passed from Host/Controller lib to stack */
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#define MSG_HC_TO_STACK_HCI_ERR 0x1300 /* eq. BT_EVT_TO_BTU_HCIT_ERR */
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#define MSG_HC_TO_STACK_HCI_ACL 0x1100 /* eq. BT_EVT_TO_BTU_HCI_ACL */
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#define MSG_HC_TO_STACK_HCI_SCO 0x1200 /* eq. BT_EVT_TO_BTU_HCI_SCO */
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#define MSG_HC_TO_STACK_HCI_EVT 0x1000 /* eq. BT_EVT_TO_BTU_HCI_EVT */
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#define MSG_HC_TO_STACK_L2C_SEG_XMIT 0x1900 /* eq. BT_EVT_TO_BTU_L2C_SEG_XMIT */
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/* Message event ID passed from stack to vendor lib */
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#define MSG_STACK_TO_HC_HCI_ACL 0x2100 /* eq. BT_EVT_TO_LM_HCI_ACL */
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#define MSG_STACK_TO_HC_HCI_SCO 0x2200 /* eq. BT_EVT_TO_LM_HCI_SCO */
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#define MSG_STACK_TO_HC_HCI_CMD 0x2000 /* eq. BT_EVT_TO_LM_HCI_CMD */
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/* Local Bluetooth Controller ID for BR/EDR */
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#define LOCAL_BR_EDR_CONTROLLER_ID 0
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/* Definitions of audio codec type
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* inherited from AG callout function "codec" parameter
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*/
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#define SCO_CODEC_NONE 0x0000 /* BTA_AG_CODEC_NONE/BTM_SCO_CODEC_NONE */
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#define SCO_CODEC_CVSD 0x0001 /* BTA_AG_CODEC_CVSD/BTM_SCO_CODEC_CVSD */
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#define SCO_CODEC_MSBC 0x0002 /* BTA_AG_CODEC_MSBC/BTM_SCO_CODEC_MSBC */
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/******************************************************************************
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** Type definitions and return values
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******************************************************************************/
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typedef struct
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{
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uint16_t event;
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uint16_t len;
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uint16_t offset;
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uint16_t layer_specific;
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uint8_t data[];
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} HC_BT_HDR;
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#define BT_HC_HDR_SIZE (sizeof(HC_BT_HDR))
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typedef struct _hc_buffer_hdr
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{
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struct _hc_buffer_hdr *p_next; /* next buffer in the queue */
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uint8_t reserved1;
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uint8_t reserved2;
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uint8_t reserved3;
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uint8_t reserved4;
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} HC_BUFFER_HDR_T;
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#define BT_HC_BUFFER_HDR_SIZE (sizeof(HC_BUFFER_HDR_T))
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/******************************************************************************
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** Extern variables and functions
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******************************************************************************/
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extern bt_hc_callbacks_t *bt_hc_cbacks;
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/******************************************************************************
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** Functions
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******************************************************************************/
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// Called when a buffer has been produced by the serial layer and should be
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// processed by the HCI layer.
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void bthc_rx_ready(void);
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void bthc_tx(HC_BT_HDR *buf);
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void bthc_idle_timeout(void);
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