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