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esp-idf/components/bt/bluedroid/stack/include/stack/gap_api.h

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/******************************************************************************
*
* Copyright (C) 2009-2013 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 GAP_API_H
#define GAP_API_H
#include "stack/sdpdefs.h"
#include "stack/profiles_api.h"
#include "stack/btm_api.h"
#include "stack/l2c_api.h"
/*****************************************************************************
** Constants
*****************************************************************************/
/*** GAP Error and Status Codes ***/
#define GAP_UNSUPPORTED (GAP_ERR_GRP + 0x01) /* Unsupported call */
#define GAP_EOINQDB (GAP_ERR_GRP + 0x02) /* End of inquiry database marker */
#define GAP_ERR_BUSY (GAP_ERR_GRP + 0x03) /* The requested function was busy */
#define GAP_ERR_NO_CTRL_BLK (GAP_ERR_GRP + 0x04) /* No control blocks available */
#define GAP_ERR_STARTING_CMD (GAP_ERR_GRP + 0x05) /* Error occurred while initiating the command */
#define GAP_NO_BDADDR_REC (GAP_ERR_GRP + 0x06) /* No Inquiry DB record for BD_ADDR */
#define GAP_ERR_ILL_MODE (GAP_ERR_GRP + 0x07) /* An illegal mode parameter was detected */
#define GAP_ERR_ILL_INQ_TIME (GAP_ERR_GRP + 0x08) /* An illegal time parameter was detected */
#define GAP_ERR_ILL_PARM (GAP_ERR_GRP + 0x09) /* An illegal parameter was detected */
#define GAP_ERR_REM_NAME (GAP_ERR_GRP + 0x0a) /* Error starting the remote device name request */
#define GAP_CMD_INITIATED (GAP_ERR_GRP + 0x0b) /* The GAP command was started (result pending) */
#define GAP_DEVICE_NOT_UP (GAP_ERR_GRP + 0x0c) /* The device was not up; the request was not executed */
#define GAP_BAD_BD_ADDR (GAP_ERR_GRP + 0x0d) /* The bd addr passed in was not found or invalid */
#define GAP_ERR_BAD_HANDLE (GAP_ERR_GRP + 0x0e) /* Bad GAP handle */
#define GAP_ERR_BUF_OFFSET (GAP_ERR_GRP + 0x0f) /* Buffer offset invalid */
#define GAP_ERR_BAD_STATE (GAP_ERR_GRP + 0x10) /* Connection is in invalid state */
#define GAP_NO_DATA_AVAIL (GAP_ERR_GRP + 0x11) /* No data available */
#define GAP_ERR_CONGESTED (GAP_ERR_GRP + 0x12) /* BT stack is congested */
#define GAP_ERR_SECURITY (GAP_ERR_GRP + 0x13) /* Security failed */
#define GAP_ERR_PROCESSING (GAP_ERR_GRP + 0x14) /* General error processing BTM request */
#define GAP_ERR_TIMEOUT (GAP_ERR_GRP + 0x15) /* Timeout occurred while processing cmd */
#define GAP_EVT_CONN_OPENED 0x0100
#define GAP_EVT_CONN_CLOSED 0x0101
#define GAP_EVT_CONN_DATA_AVAIL 0x0102
#define GAP_EVT_CONN_CONGESTED 0x0103
#define GAP_EVT_CONN_UNCONGESTED 0x0104
/* Values for 'chan_mode_mask' field */
/* GAP_ConnOpen() - optional channels to negotiate */
#define GAP_FCR_CHAN_OPT_BASIC L2CAP_FCR_CHAN_OPT_BASIC
#define GAP_FCR_CHAN_OPT_ERTM L2CAP_FCR_CHAN_OPT_ERTM
#define GAP_FCR_CHAN_OPT_STREAM L2CAP_FCR_CHAN_OPT_STREAM
/*** used in connection variables and functions ***/
#define GAP_INVALID_HANDLE 0xFFFF
/* This is used to change the criteria for AMP */
#define GAP_PROTOCOL_ID (UUID_PROTOCOL_UDP)
#ifndef GAP_PREFER_CONN_INT_MAX
#define GAP_PREFER_CONN_INT_MAX BTM_BLE_CONN_INT_MIN
#endif
#ifndef GAP_PREFER_CONN_INT_MIN
#define GAP_PREFER_CONN_INT_MIN BTM_BLE_CONN_INT_MIN
#endif
#ifndef GAP_PREFER_CONN_LATENCY
#define GAP_PREFER_CONN_LATENCY 0
#endif
#ifndef GAP_PREFER_CONN_SP_TOUT
#define GAP_PREFER_CONN_SP_TOUT 2000
#endif
/*****************************************************************************
** Type Definitions
*****************************************************************************/
/*
** Callback function for connection services
*/
typedef void (tGAP_CONN_CALLBACK) (UINT16 gap_handle, UINT16 event);
/*
** Define the callback function prototypes. Parameters are specific
** to each event and are described below
*/
typedef void (tGAP_CALLBACK) (UINT16 event, void *p_data);
/* Definition of the GAP_FindAddrByName results structure */
typedef struct {
UINT16 status;
BD_ADDR bd_addr;
tBTM_BD_NAME devname;
} tGAP_FINDADDR_RESULTS;
typedef struct {
UINT16 int_min;
UINT16 int_max;
UINT16 latency;
UINT16 sp_tout;
} tGAP_BLE_PREF_PARAM;
typedef union {
tGAP_BLE_PREF_PARAM conn_param;
BD_ADDR reconn_bda;
UINT16 icon;
UINT8 *p_dev_name;
UINT8 addr_resolution;
} tGAP_BLE_ATTR_VALUE;
typedef void (tGAP_BLE_CMPL_CBACK)(BOOLEAN status, BD_ADDR addr, UINT16 length, char *p_name);
/*****************************************************************************
** External Function Declarations
*****************************************************************************/
/*** Functions for L2CAP connection interface ***/
/*******************************************************************************
**
** Function GAP_ConnOpen
**
** Description This function is called to open a generic L2CAP connection.
**
** Returns handle of the connection if successful, else GAP_INVALID_HANDLE
**
*******************************************************************************/
extern UINT16 GAP_ConnOpen (const char *p_serv_name, UINT8 service_id, BOOLEAN is_server,
BD_ADDR p_rem_bda, UINT16 psm, tL2CAP_CFG_INFO *p_cfg,
tL2CAP_ERTM_INFO *ertm_info,
UINT16 security, UINT8 chan_mode_mask, tGAP_CONN_CALLBACK *p_cb);
/*******************************************************************************
**
** Function GAP_ConnClose
**
** Description This function is called to close a connection.
**
** Returns BT_PASS - closed OK
** GAP_ERR_BAD_HANDLE - invalid handle
**
*******************************************************************************/
extern UINT16 GAP_ConnClose (UINT16 gap_handle);
/*******************************************************************************
**
** Function GAP_ConnReadData
**
** Description GKI buffer unaware application will call this function
** after receiving GAP_EVT_RXDATA event. A data copy is made
** into the receive buffer parameter.
**
** Returns BT_PASS - data read
** GAP_ERR_BAD_HANDLE - invalid handle
** GAP_NO_DATA_AVAIL - no data available
**
*******************************************************************************/
extern UINT16 GAP_ConnReadData (UINT16 gap_handle, UINT8 *p_data,
UINT16 max_len, UINT16 *p_len);
/*******************************************************************************
**
** Function GAP_GetRxQueueCnt
**
** Description This function return number of bytes on the rx queue.
**
** Parameters: handle - Handle returned in the GAP_ConnOpen
** p_rx_queue_count - Pointer to return queue count in.
**
**
*******************************************************************************/
extern int GAP_GetRxQueueCnt (UINT16 handle, UINT32 *p_rx_queue_count);
/*******************************************************************************
**
** Function GAP_ConnBTRead
**
** Description GKI buffer aware applications will call this function after
** receiving an GAP_EVT_RXDATA event to process the incoming
** data buffer.
**
** Returns BT_PASS - data read
** GAP_ERR_BAD_HANDLE - invalid handle
** GAP_NO_DATA_AVAIL - no data available
**
*******************************************************************************/
extern UINT16 GAP_ConnBTRead (UINT16 gap_handle, BT_HDR **pp_buf);
/*******************************************************************************
**
** Function GAP_ConnBTWrite
**
** Description GKI buffer aware applications can call this function to write data
** by passing a pointer to the GKI buffer of data.
**
** Returns BT_PASS - data read
** GAP_ERR_BAD_HANDLE - invalid handle
** GAP_ERR_BAD_STATE - connection not established
** GAP_INVALID_BUF_OFFSET - buffer offset is invalid
*******************************************************************************/
extern UINT16 GAP_ConnBTWrite (UINT16 gap_handle, BT_HDR *p_buf);
/*******************************************************************************
**
** Function GAP_ConnWriteData
**
** Description GKI buffer unaware application will call this function
** to send data to the connection. A data copy is made into a GKI
** buffer.
**
** Returns BT_PASS - data read
** GAP_ERR_BAD_HANDLE - invalid handle
** GAP_ERR_BAD_STATE - connection not established
** GAP_CONGESTION - system is congested
**
*******************************************************************************/
extern UINT16 GAP_ConnWriteData (UINT16 gap_handle, UINT8 *p_data,
UINT16 max_len, UINT16 *p_len);
/*******************************************************************************
**
** Function GAP_ConnReconfig
**
** Description Applications can call this function to reconfigure the connection.
**
** Returns BT_PASS - config process started
** GAP_ERR_BAD_HANDLE - invalid handle
**
*******************************************************************************/
extern UINT16 GAP_ConnReconfig (UINT16 gap_handle, tL2CAP_CFG_INFO *p_cfg);
/*******************************************************************************
**
** Function GAP_ConnSetIdleTimeout
**
** Description Higher layers call this function to set the idle timeout for
** a connection, or for all future connections. The "idle timeout"
** is the amount of time that a connection can remain up with
** no L2CAP channels on it. A timeout of zero means that the
** connection will be torn down immediately when the last channel
** is removed. A timeout of 0xFFFF means no timeout. Values are
** in seconds.
**
** Returns BT_PASS - config process started
** GAP_ERR_BAD_HANDLE - invalid handle
**
*******************************************************************************/
extern UINT16 GAP_ConnSetIdleTimeout (UINT16 gap_handle, UINT16 timeout);
/*******************************************************************************
**
** Function GAP_ConnGetRemoteAddr
**
** Description This function is called to get the remote BD address
** of a connection.
**
** Returns BT_PASS - closed OK
** GAP_ERR_BAD_HANDLE - invalid handle
**
*******************************************************************************/
extern UINT8 *GAP_ConnGetRemoteAddr (UINT16 gap_handle);
/*******************************************************************************
**
** Function GAP_ConnGetRemMtuSize
**
** Description Returns the remote device's MTU size.
**
** Returns UINT16 - maximum size buffer that can be transmitted to the peer
**
*******************************************************************************/
extern UINT16 GAP_ConnGetRemMtuSize (UINT16 gap_handle);
/*******************************************************************************
**
** Function GAP_ConnGetL2CAPCid
**
** Description Returns the L2CAP channel id
**
** Parameters: handle - Handle of the connection
**
** Returns UINT16 - The L2CAP channel id
** 0, if error
**
*******************************************************************************/
extern UINT16 GAP_ConnGetL2CAPCid (UINT16 gap_handle);
/*******************************************************************************
**
** Function GAP_SetTraceLevel
**
** Description This function sets the trace level for GAP. If called with
** a value of 0xFF, it simply returns the current trace level.
**
** Returns The new or current trace level
**
*******************************************************************************/
extern UINT8 GAP_SetTraceLevel (UINT8 new_level);
/*******************************************************************************
**
** Function GAP_Init
**
** Description Initializes the control blocks used by GAP.
** This routine should not be called except once per
** stack invocation.
**
** Returns Nothing
**
*******************************************************************************/
extern void GAP_Init(void);
#if (BLE_INCLUDED == TRUE)
/*******************************************************************************
**
** Function GAP_BleAttrDBUpdate
**
** Description update GAP local BLE attribute database.
**
** Returns Nothing
**
*******************************************************************************/
extern void GAP_BleAttrDBUpdate(UINT16 attr_uuid, tGAP_BLE_ATTR_VALUE *p_value);
/*******************************************************************************
**
** Function GAP_BleReadPeerPrefConnParams
**
** Description Start a process to read a connected peripheral's preferred
** connection parameters
**
** Returns TRUE if read started, else FALSE if GAP is busy
**
*******************************************************************************/
extern BOOLEAN GAP_BleReadPeerPrefConnParams (BD_ADDR peer_bda);
/*******************************************************************************
**
** Function GAP_BleReadPeerDevName
**
** Description Start a process to read a connected peripheral's device name.
**
** Returns TRUE if request accepted
**
*******************************************************************************/
extern BOOLEAN GAP_BleReadPeerDevName (BD_ADDR peer_bda, tGAP_BLE_CMPL_CBACK *p_cback);
/*******************************************************************************
**
** Function GAP_BleReadPeerAddressResolutionCap
**
** Description Start a process to read peer address resolution capability
**
** Returns TRUE if request accepted
**
*******************************************************************************/
extern BOOLEAN GAP_BleReadPeerAddressResolutionCap (BD_ADDR peer_bda,
tGAP_BLE_CMPL_CBACK *p_cback);
/*******************************************************************************
**
** Function GAP_BleCancelReadPeerDevName
**
** Description Cancel reading a peripheral's device name.
**
** Returns TRUE if request accepted
**
*******************************************************************************/
extern BOOLEAN GAP_BleCancelReadPeerDevName (BD_ADDR peer_bda);
#endif
#endif /* GAP_API_H */
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