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qiyongshuang
2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
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EVT/EXAM/BLE/HID_Keyboard/Profile/scanparamservice.c
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/********************************** (C) COPYRIGHT *******************************
* File Name : scanparamservice.c
* Author : WCH
* Version : V1.0
* Date : 2018/12/10
* Description : Scanning parameter service
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
/*********************************************************************
* INCLUDES
*/
#include "CONFIG.h"
#include "scanparamservice.h"
/*********************************************************************
* MACROS
*/
/*********************************************************************
* CONSTANTS
*/
/*********************************************************************
* TYPEDEFS
*/
/*********************************************************************
* GLOBAL VARIABLES
*/
// Scan parameters service
const uint8_t scanParamServUUID[ATT_BT_UUID_SIZE] = {
LO_UINT16(SCAN_PARAM_SERV_UUID), HI_UINT16(SCAN_PARAM_SERV_UUID)};
// Scan interval window characteristic
const uint8_t scanIntervalWindowUUID[ATT_BT_UUID_SIZE] = {
LO_UINT16(SCAN_INTERVAL_WINDOW_UUID), HI_UINT16(SCAN_INTERVAL_WINDOW_UUID)};
// Scan parameter refresh characteristic
const uint8_t scanParamRefreshUUID[ATT_BT_UUID_SIZE] = {
LO_UINT16(SCAN_REFRESH_UUID), HI_UINT16(SCAN_REFRESH_UUID)};
/*********************************************************************
* EXTERNAL VARIABLES
*/
/*********************************************************************
* EXTERNAL FUNCTIONS
*/
/*********************************************************************
* LOCAL VARIABLES
*/
// Application callback
static scanParamServiceCB_t scanParamServiceCB;
/*********************************************************************
* Profile Attributes - variables
*/
// Scan Parameters Service attribute
static const gattAttrType_t scanParamService = {ATT_BT_UUID_SIZE, scanParamServUUID};
// Scan Interval Window characteristic
static uint8_t scanIntervalWindowProps = GATT_PROP_WRITE_NO_RSP;
static uint8_t scanIntervalWindow[SCAN_INTERVAL_WINDOW_CHAR_LEN];
// Scan Parameter Refresh characteristic
static uint8_t scanParamRefreshProps = GATT_PROP_NOTIFY;
static uint8_t scanParamRefresh[SCAN_PARAM_REFRESH_LEN];
static gattCharCfg_t scanParamRefreshClientCharCfg[GATT_MAX_NUM_CONN];
/*********************************************************************
* Profile Attributes - Table
*/
static gattAttribute_t scanParamAttrTbl[] = {
// Scan Parameters Service attribute
{
{ATT_BT_UUID_SIZE, primaryServiceUUID}, /* type */
GATT_PERMIT_READ, /* permissions */
0, /* handle */
(uint8_t *)&scanParamService /* pValue */
},
// Scan Interval Window declaration
{
{ATT_BT_UUID_SIZE, characterUUID},
GATT_PERMIT_READ,
0,
&scanIntervalWindowProps},
// Scan Interval Window characteristic
{
{ATT_BT_UUID_SIZE, scanIntervalWindowUUID},
GATT_PERMIT_ENCRYPT_WRITE,
0,
scanIntervalWindow},
// Scan Parameter Refresh declaration
{
{ATT_BT_UUID_SIZE, characterUUID},
GATT_PERMIT_READ,
0,
&scanParamRefreshProps},
// Scan Parameter Refresh characteristic
{
{ATT_BT_UUID_SIZE, scanParamRefreshUUID},
0,
0,
scanParamRefresh},
// Scan Parameter Refresh characteristic client characteristic configuration
{
{ATT_BT_UUID_SIZE, clientCharCfgUUID},
GATT_PERMIT_READ | GATT_PERMIT_ENCRYPT_WRITE,
0,
(uint8_t *)&scanParamRefreshClientCharCfg}
};
// Attribute index enumeration-- these indexes match array elements above
enum
{
SCAN_PARAM_SERVICE_IDX, // Scan Parameters Service
SCAN_PARAM_INTERVAL_DECL_IDX, // Scan Interval Window declaration
SCAN_PARAM_INTERVAL_IDX, // Scan Interval Window characteristic
SCAN_PARAM_REFRESH_DECL_IDX, // Scan Parameter Refresh declaration
SCAN_PARAM_REFRESH_IDX, // Scan Parameter Refresh characteristic
SCAN_PARAM_REFRESH_CCCD_IDX // Scan Parameter Refresh characteristic client characteristic configuration
};
/*********************************************************************
* LOCAL FUNCTIONS
*/
static bStatus_t scanParamWriteAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
uint8_t *pValue, uint16_t len, uint16_t offset, uint8_t method);
static bStatus_t scanParamReadAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
uint8_t *pValue, uint16_t *pLen, uint16_t offset, uint16_t maxLen, uint8_t method);
/*********************************************************************
* PROFILE CALLBACKS
*/
// Service Callbacks
gattServiceCBs_t scanParamCBs = {
scanParamReadAttrCB, // Read callback function pointer
scanParamWriteAttrCB, // Write callback function pointer
NULL // Authorization callback function pointer
};
/*********************************************************************
* PUBLIC FUNCTIONS
*/
/*********************************************************************
* @fn ScanParam_AddService
*
* @brief Initializes the Battery Service by registering
* GATT attributes with the GATT server.
*
* @return Success or Failure
*/
bStatus_t ScanParam_AddService(void)
{
uint8_t status = SUCCESS;
// Initialize Client Characteristic Configuration attributes
GATTServApp_InitCharCfg(INVALID_CONNHANDLE, scanParamRefreshClientCharCfg);
// Register GATT attribute list and CBs with GATT Server App
status = GATTServApp_RegisterService(scanParamAttrTbl, GATT_NUM_ATTRS(scanParamAttrTbl), GATT_MAX_ENCRYPT_KEY_SIZE,
&scanParamCBs);
return (status);
}
/*********************************************************************
* @fn ScanParam_Register
*
* @brief Register a callback function with the Battery Service.
*
* @param pfnServiceCB - Callback function.
*
* @return None.
*/
extern void ScanParam_Register(scanParamServiceCB_t pfnServiceCB)
{
scanParamServiceCB = pfnServiceCB;
}
/*********************************************************************
* @fn ScanParam_SetParameter
*
* @brief Set a Battery Service parameter.
*
* @param param - Profile parameter ID
* @param len - length of data to right
* @param value - pointer to data to write. This is dependent on
* the parameter ID and WILL be cast to the appropriate
* data type (example: data type of uint16_t will be cast to
* uint16_t pointer).
*
* @return bStatus_t
*/
bStatus_t ScanParam_SetParameter(uint8_t param, uint8_t len, void *value)
{
bStatus_t ret = SUCCESS;
switch(param)
{
default:
ret = INVALIDPARAMETER;
break;
}
return (ret);
}
/*********************************************************************
* @fn ScanParam_GetParameter
*
* @brief Get a Battery Service parameter.
*
* @param param - Profile parameter ID
* @param value - pointer to data to get. This is dependent on
* the parameter ID and WILL be cast to the appropriate
* data type (example: data type of uint16_t will be cast to
* uint16_t pointer).
*
* @return bStatus_t
*/
bStatus_t ScanParam_GetParameter(uint8_t param, void *value)
{
bStatus_t ret = SUCCESS;
switch(param)
{
case SCAN_PARAM_PARAM_INTERVAL:
*((uint16_t *)value) = BUILD_UINT16(scanIntervalWindow[0],
scanIntervalWindow[1]);
break;
case SCAN_PARAM_PARAM_WINDOW:
*((uint16_t *)value) = BUILD_UINT16(scanIntervalWindow[2],
scanIntervalWindow[3]);
break;
default:
ret = INVALIDPARAMETER;
break;
}
return (ret);
}
/*********************************************************************
* @fn ScanParam_RefreshNotify
*
* @brief Notify the peer to refresh the scan parameters.
*
* @param connHandle - connection handle
*
* @return None
*/
void ScanParam_RefreshNotify(uint16_t connHandle)
{
uint16_t value;
value = GATTServApp_ReadCharCfg(connHandle, scanParamRefreshClientCharCfg);
if(value & GATT_CLIENT_CFG_NOTIFY)
{
attHandleValueNoti_t noti;
noti.pValue = GATT_bm_alloc(connHandle, ATT_HANDLE_VALUE_NOTI,
SCAN_PARAM_REFRESH_LEN, NULL, 0);
if(noti.pValue != NULL)
{
// send notification
noti.handle = scanParamAttrTbl[SCAN_PARAM_REFRESH_CCCD_IDX].handle;
noti.len = SCAN_PARAM_REFRESH_LEN;
noti.pValue[0] = SCAN_PARAM_REFRESH_REQ;
if(GATT_Notification(connHandle, &noti, FALSE) != SUCCESS)
{
GATT_bm_free((gattMsg_t *)&noti, ATT_HANDLE_VALUE_NOTI);
}
}
}
}
/*********************************************************************
* @fn scanParamReadAttrCB
*
* @brief GATT read callback.
*
* @param connHandle - connection message was received on
* @param pAttr - pointer to attribute
* @param pValue - pointer to data to be read
* @param pLen - length of data to be read
* @param offset - offset of the first octet to be read
* @param maxLen - maximum length of data to be read
*
* @return Success or Failure
*/
static bStatus_t scanParamReadAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
uint8_t *pValue, uint16_t *pLen, uint16_t offset, uint16_t maxLen, uint8_t method)
{
bStatus_t status = SUCCESS;
return (status);
}
/*********************************************************************
* @fn scanParamWriteAttrCB
*
* @brief Validate attribute data prior to a write operation
*
* @param connHandle - connection message was received on
* @param pAttr - pointer to attribute
* @param pValue - pointer to data to be written
* @param len - length of data
* @param offset - offset of the first octet to be written
*
* @return Success or Failure
*/
static bStatus_t scanParamWriteAttrCB(uint16_t connHandle, gattAttribute_t *pAttr,
uint8_t *pValue, uint16_t len, uint16_t offset, uint8_t method)
{
uint16_t uuid;
bStatus_t status = SUCCESS;
// Make sure it's not a blob operation (no attributes in the profile are long)
if(offset > 0)
{
return (ATT_ERR_ATTR_NOT_LONG);
}
uuid = BUILD_UINT16(pAttr->type.uuid[0], pAttr->type.uuid[1]);
// Only one writeable attribute
if(uuid == SCAN_INTERVAL_WINDOW_UUID)
{
if(len == SCAN_INTERVAL_WINDOW_CHAR_LEN)
{
uint16_t interval = BUILD_UINT16(pValue[0], pValue[1]);
uint16_t window = BUILD_UINT16(pValue[0], pValue[1]);
// Validate values
if(window <= interval)
{
tmos_memcpy(pAttr->pValue, pValue, len);
(*scanParamServiceCB)(SCAN_INTERVAL_WINDOW_SET);
}
else
{
status = ATT_ERR_INVALID_VALUE;
}
}
else
{
status = ATT_ERR_INVALID_VALUE_SIZE;
}
}
else if(uuid == GATT_CLIENT_CHAR_CFG_UUID)
{
status = GATTServApp_ProcessCCCWriteReq(connHandle, pAttr, pValue, len,
offset, GATT_CLIENT_CFG_NOTIFY);
}
else
{
status = ATT_ERR_ATTR_NOT_FOUND;
}
return (status);
}
/*********************************************************************
* @fn ScanParam_HandleConnStatusCB
*
* @brief Service link status change handler function.
*
* @param connHandle - connection handle
* @param changeType - type of change
*
* @return none
*/
void ScanParam_HandleConnStatusCB(uint16_t connHandle, uint8_t changeType)
{
// Make sure this is not loopback connection
if(connHandle != LOOPBACK_CONNHANDLE)
{
// Reset Client Char Config if connection has dropped
if((changeType == LINKDB_STATUS_UPDATE_REMOVED) ||
((changeType == LINKDB_STATUS_UPDATE_STATEFLAGS) &&
(!linkDB_Up(connHandle))))
{
GATTServApp_InitCharCfg(connHandle, scanParamRefreshClientCharCfg);
}
}
}