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Can not Start Indicate permission issue

Hansome
Intellectual 660 points
Other Parts Discussed in Thread: CC2541

I'm porting a WeChat AirSync on CC2541, use AirSyncDebugger to test and encounter this problem:

***** onTestStartIndicating *****
result = false, can not Start Indicate permission: Write configure descriptor error

***** onConnected *****
result = false, failed to connect: onTestStartIndicating failed

Who has experience in this field?

on BLE-CC254x-1.4.2.2, I feel this place is in doubt:

VOID osal_memcpy( wcIndicate, value, UV_CMD_LEN );
GATTServApp_ProcessCharCfg( wcIndicateConfig, wcIndicate, FALSE, simpleProfileAttrTbl, GATT_NUM_ATTRS( simpleProfileAttrTbl ), INVALID_TASK_ID , simpleProfile_ReadAttrCB );

New GATTServApp_ProcessCharCfg function has more pfnGATTReadAttrCB_t pfnReadAttrCB parameter, Who can explain it? 

Thanks!

Hansome