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examples/cc25xx-example/ti/BLE-CC254x/Projects/ble/Profiles/SensorProfile/testservice.c
2017-06-10 17:57:47 +08:00

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15 KiB
C

/**************************************************************************************************
Filename: testservice.c
Revised: $Date: 2013-05-06 13:33:47 -0700 (Mon, 06 May 2013) $
Revision: $Revision: 34153 $
Description: Test Service.
Copyright 2012-2013 Texas Instruments Incorporated. All rights reserved.
IMPORTANT: Your use of this Software is limited to those specific rights
granted under the terms of a software license agreement between the user
who downloaded the software, his/her employer (which must be your employer)
and Texas Instruments Incorporated (the "License"). You may not use this
Software unless you agree to abide by the terms of the License. The License
limits your use, and you acknowledge, that the Software may not be modified,
copied or distributed unless embedded on a Texas Instruments microcontroller
or used solely and exclusively in conjunction with a Texas Instruments radio
frequency transceiver, which is integrated into your product. Other than for
the foregoing purpose, you may not use, reproduce, copy, prepare derivative
works of, modify, distribute, perform, display or sell this Software and/or
its documentation for any purpose.
YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
Should you have any questions regarding your right to use this Software,
contact Texas Instruments Incorporated at www.TI.com.
**************************************************************************************************/
/*********************************************************************
* INCLUDES
*/
#include "bcomdef.h"
#include "OSAL.h"
#include "linkdb.h"
#include "att.h"
#include "gatt.h"
#include "gatt_uuid.h"
#include "gattservapp.h"
#include "gapbondmgr.h"
#include "testservice.h"
#include "st_util.h"
/*********************************************************************
* CONSTANTS
*/
/*********************************************************************
* TYPEDEFS
*/
/*********************************************************************
* GLOBAL VARIABLES
*/
// Test GATT Profile Service UUID
CONST uint8 testServUUID[TI_UUID_SIZE] =
{
TI_UUID(TEST_SERV_UUID)
};
// Data Characteristic UUID
CONST uint8 testDataUUID[TI_UUID_SIZE] =
{
TI_UUID(TEST_DATA_UUID)
};
// Config Characteristic UUID
CONST uint8 testConfUUID[TI_UUID_SIZE] =
{
TI_UUID(TEST_CONF_UUID)
};
/*********************************************************************
* EXTERNAL VARIABLES
*/
/*********************************************************************
* EXTERNAL FUNCTIONS
*/
/*********************************************************************
* LOCAL VARIABLES
*/
static testCBs_t *test_AppCBs = NULL;
/*********************************************************************
* Profile Attributes - variables
*/
// Test Profile Service attribute
static CONST gattAttrType_t testService = { TI_UUID_SIZE, testServUUID };
// Test Profile Data Characteristic Properties
static uint8 testDataProps = GATT_PROP_READ;
// Test Profile Data Characteristic Value
static uint8 testData[TEST_DATA_LEN] = {0,0};
// Test Characteristic Configuration
static gattCharCfg_t testDataConfig[GATT_MAX_NUM_CONN];
// Test Profile Data Characteristic User Description
static uint8 testDataUserDesp[] = "Test Data";
// Test Profile Config Characteristic Properties
static uint8 testConfProps = GATT_PROP_READ | GATT_PROP_WRITE;
// Test Profile Config Characteristic Value
static uint8 testConf = 0x00;
// Test Profile Config Characteristic User Description
static uint8 testConfUserDesp[] = "Test Config";
/*********************************************************************
* Profile Attributes - Table
*/
static gattAttribute_t testAttrTbl[] =
{
// Test Profile Service
{
{ ATT_BT_UUID_SIZE, primaryServiceUUID }, /* type */
GATT_PERMIT_READ, /* permissions */
0, /* handle */
(uint8 *)&testService /* pValue */
},
// Data Characteristic Declaration
{
{ ATT_BT_UUID_SIZE, characterUUID },
GATT_PERMIT_READ,
0,
&testDataProps
},
// Data Characteristic Value
{
{ TI_UUID_SIZE, testDataUUID },
GATT_PERMIT_READ | GATT_PERMIT_WRITE,
0,
testData
},
// Data Characteristic User Description
{
{ ATT_BT_UUID_SIZE, charUserDescUUID },
GATT_PERMIT_READ,
0,
testDataUserDesp
},
// Config Characteristic Declaration
{
{ ATT_BT_UUID_SIZE, characterUUID },
GATT_PERMIT_READ,
0,
&testConfProps
},
// Config Characteristic Value
{
{ TI_UUID_SIZE, testConfUUID },
GATT_PERMIT_READ | GATT_PERMIT_WRITE,
0,
&testConf
},
// Config Characteristic User Description
{
{ ATT_BT_UUID_SIZE, charUserDescUUID },
GATT_PERMIT_READ,
0,
testConfUserDesp
},
};
/*********************************************************************
* LOCAL FUNCTIONS
*/
static uint8 test_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen );
static bStatus_t test_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
uint8 *pValue, uint8 len, uint16 offset );
static void test_HandleConnStatusCB( uint16 connHandle, uint8 changeType );
/*********************************************************************
* PROFILE CALLBACKS
*/
// Test Profile Service Callbacks
CONST gattServiceCBs_t testCBs =
{
test_ReadAttrCB, // Read callback function pointer
test_WriteAttrCB, // Write callback function pointer
NULL // Authorization callback function pointer
};
/*********************************************************************
* PUBLIC FUNCTIONS
*/
/*********************************************************************
* @fn Test_AddService
*
* @brief Initializes the Test Profile service by registering
* GATT attributes with the GATT server.
*
* @param services - services to add. This is a bit map and can
* contain more than one service.
*
* @return Success or Failure
*/
bStatus_t Test_AddService( uint32 services )
{
uint8 status = SUCCESS;
// Initialize Client Characteristic Configuration attributes
GATTServApp_InitCharCfg( INVALID_CONNHANDLE, testDataConfig );
// Register with Link DB to receive link status change callback
VOID linkDB_Register( test_HandleConnStatusCB );
if ( services & TEST_SERVICE )
{
// Register GATT attribute list and CBs with GATT Server App
status = GATTServApp_RegisterService( testAttrTbl,
GATT_NUM_ATTRS( testAttrTbl ),
&testCBs );
}
return ( status );
}
/*********************************************************************
* @fn Test_RegisterAppCBs
*
* @brief Registers the application callback function. Only call
* this function once.
*
* @param callbacks - pointer to application callbacks.
*
* @return SUCCESS or bleAlreadyInRequestedMode
*/
bStatus_t Test_RegisterAppCBs( testCBs_t *appCallbacks )
{
if ( test_AppCBs == NULL )
{
if ( appCallbacks != NULL )
{
test_AppCBs = appCallbacks;
}
return ( SUCCESS );
}
return ( bleAlreadyInRequestedMode );
}
/*********************************************************************
* @fn TestProfile_SetParameter
*
* @brief Set a Test Profile 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 will be cast to
* uint16 pointer).
*
* @return bStatus_t
*/
bStatus_t Test_SetParameter( uint8 param, uint8 len, void *value )
{
bStatus_t ret = SUCCESS;
switch ( param )
{
case TEST_DATA_ATTR:
if ( len == TEST_DATA_LEN )
{
VOID osal_memcpy( testData, value, TEST_DATA_LEN );
// See if Notification has been enabled
GATTServApp_ProcessCharCfg( testDataConfig, testData, FALSE,
testAttrTbl, GATT_NUM_ATTRS( testAttrTbl ),
INVALID_TASK_ID );
}
else
{
ret = bleInvalidRange;
}
break;
case TEST_CONF_ATTR:
if(len == sizeof ( uint8 ) )
{
testConf = *((uint8*)value);
}
else
{
ret = bleInvalidRange;
}
break;
default:
ret = INVALIDPARAMETER;
break;
}
return ( ret );
}
/*********************************************************************
* @fn TestProfile_GetParameter
*
* @brief Get a Test Profile parameter.
*
* @param param - Profile parameter ID
* @param value - pointer to data to put. This is dependent on
* the parameter ID and WILL be cast to the appropriate
* data type (example: data type of uint16 will be cast to
* uint16 pointer).
*
* @return bStatus_t
*/
bStatus_t Test_GetParameter( uint8 param, void *value )
{
bStatus_t ret = SUCCESS;
switch ( param )
{
case TEST_DATA_ATTR:
VOID osal_memcpy (value, testData, TEST_DATA_LEN );
break;
case TEST_CONF_ATTR:
*((uint8*)value) = testConf;
break;
default:
ret = INVALIDPARAMETER;
break;
}
return ( ret );
}
/*********************************************************************
* @fn test_ReadAttrCB
*
* @brief Read an attribute.
*
* @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 uint8 test_ReadAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
uint8 *pValue, uint8 *pLen, uint16 offset, uint8 maxLen )
{
uint16 uuid;
bStatus_t status = SUCCESS;
// If attribute permissions require authorization to read, return error
if ( gattPermitAuthorRead( pAttr->permissions ) )
{
// Insufficient authorization
return ( ATT_ERR_INSUFFICIENT_AUTHOR );
}
// Make sure it's not a blob operation (no attributes in the profile are long)
if ( offset > 0 )
{
return ( ATT_ERR_ATTR_NOT_LONG );
}
if (utilExtractUuid16(pAttr,&uuid) == FAILURE)
{
// Invalid handle
return ATT_ERR_INVALID_HANDLE;
}
switch ( uuid )
{
// No need for "GATT_SERVICE_UUID" or "GATT_CLIENT_CHAR_CFG_UUID" cases;
// gattserverapp handles those reads
case TEST_DATA_UUID:
*pLen = TEST_DATA_LEN;
VOID osal_memcpy( pValue, pAttr->pValue, TEST_DATA_LEN );
break;
case TEST_CONF_UUID:
*pLen = 1;
pValue[0] = *pAttr->pValue;
break;
default:
// Should never get here!
*pLen = 0;
status = ATT_ERR_ATTR_NOT_FOUND;
break;
}
return ( status );
}
/*********************************************************************
* @fn test_WriteAttrCB
*
* @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 test_WriteAttrCB( uint16 connHandle, gattAttribute_t *pAttr,
uint8 *pValue, uint8 len, uint16 offset )
{
bStatus_t status = SUCCESS;
uint8 notifyApp = 0xFF;
uint16 uuid;
// If attribute permissions require authorization to write, return error
if ( gattPermitAuthorWrite( pAttr->permissions ) )
{
// Insufficient authorization
return ( ATT_ERR_INSUFFICIENT_AUTHOR );
}
if (utilExtractUuid16(pAttr,&uuid) == FAILURE)
{
// Invalid handle
return ATT_ERR_INVALID_HANDLE;
}
switch ( uuid )
{
case TEST_CONF_UUID:
// Validate the value
// Make sure it's not a blob oper
if ( offset == 0 )
{
if ( len != 1 )
{
status = ATT_ERR_INVALID_VALUE_SIZE;
}
}
else
{
status = ATT_ERR_ATTR_NOT_LONG;
}
// Write the value
if ( status == SUCCESS )
{
uint8 *pCurValue = (uint8 *)pAttr->pValue;
*pCurValue = pValue[0];
if( pAttr->pValue == &testConf )
{
notifyApp = TEST_CONF_ATTR;
}
}
break;
case GATT_CLIENT_CHAR_CFG_UUID:
status = GATTServApp_ProcessCCCWriteReq( connHandle, pAttr, pValue, len,
offset, GATT_CLIENT_CFG_NOTIFY );
break;
default:
// Should never get here! (characteristics 2 and 4 do not have write permissions)
status = ATT_ERR_ATTR_NOT_FOUND;
break;
}
// If a charactersitic value changed then callback function to notify application of change
if ( (notifyApp != 0xFF ) && test_AppCBs && test_AppCBs->pfnTestChange )
{
test_AppCBs->pfnTestChange( notifyApp );
}
return ( status );
}
/*********************************************************************
* @fn test_HandleConnStatusCB
*
* @brief Test Profile link status change handler function.
*
* @param connHandle - connection handle
* @param changeType - type of change
*
* @return none
*/
static void test_HandleConnStatusCB( uint16 connHandle, uint8 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, testDataConfig );
}
}
}
/*********************************************************************
*********************************************************************/