esp-idf/examples/09_a2dp/components/bluedroid_demos/udrv/include/uipc.h

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/******************************************************************************
*
* Copyright (C) 2007-2012 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.
*
******************************************************************************/
#ifndef UIPC_H
#define UIPC_H
#include "bt_types.h"
#define UIPC_CH_ID_AV_CTRL 0
#define UIPC_CH_ID_AV_AUDIO 1
#define UIPC_CH_NUM 2
#define UIPC_CH_ID_ALL 3 /* used to address all the ch id at once */
#define DEFAULT_READ_POLL_TMO_MS 100
typedef UINT8 tUIPC_CH_ID;
/* Events generated */
typedef enum {
UIPC_OPEN_EVT = 0x0001,
UIPC_CLOSE_EVT = 0x0002,
UIPC_RX_DATA_EVT = 0x0004,
UIPC_RX_DATA_READY_EVT = 0x0008,
UIPC_TX_DATA_READY_EVT = 0x0010
} tUIPC_EVENT;
/*
* UIPC IOCTL Requests
*/
#define UIPC_REQ_RX_FLUSH 1
#define UIPC_REG_CBACK 2
#define UIPC_REG_REMOVE_ACTIVE_READSET 3
#define UIPC_SET_READ_POLL_TMO 4
typedef void (tUIPC_RCV_CBACK)(tUIPC_CH_ID ch_id, tUIPC_EVENT event); /* points to BT_HDR which describes event type and length of data; len contains the number of bytes of entire message (sizeof(BT_HDR) + offset + size of data) */
const char* dump_uipc_event(tUIPC_EVENT event);
/*******************************************************************************
**
** Function UIPC_Init
**
** Description Initialize UIPC module
**
** Returns void
**
*******************************************************************************/
void UIPC_Init(void *);
/*******************************************************************************
**
** Function UIPC_Open
**
** Description Open UIPC interface
**
** Returns void
**
*******************************************************************************/
BOOLEAN UIPC_Open(tUIPC_CH_ID ch_id, tUIPC_RCV_CBACK *p_cback);
/*******************************************************************************
**
** Function UIPC_Close
**
** Description Close UIPC interface
**
** Returns void
**
*******************************************************************************/
void UIPC_Close(tUIPC_CH_ID ch_id);
/*******************************************************************************
**
** Function UIPC_SendBuf
**
** Description Called to transmit a message over UIPC.
** Message buffer will be freed by UIPC_SendBuf.
**
** Returns void
**
*******************************************************************************/
BOOLEAN UIPC_SendBuf(tUIPC_CH_ID ch_id, BT_HDR *p_msg);
/*******************************************************************************
**
** Function UIPC_Send
**
** Description Called to transmit a message over UIPC.
**
** Returns void
**
*******************************************************************************/
BOOLEAN UIPC_Send(tUIPC_CH_ID ch_id, UINT16 msg_evt, UINT8 *p_buf, UINT16 msglen);
/*******************************************************************************
**
** Function UIPC_Read
**
** Description Called to read a message from UIPC.
**
** Returns void
**
*******************************************************************************/
UINT32 UIPC_Read(tUIPC_CH_ID ch_id, UINT16 *p_msg_evt, UINT8 *p_buf, UINT32 len);
/*******************************************************************************
**
** Function UIPC_Ioctl
**
** Description Called to control UIPC.
**
** Returns void
**
*******************************************************************************/
BOOLEAN UIPC_Ioctl(tUIPC_CH_ID ch_id, UINT32 request, void *param);
#endif /* UIPC_H */