CC2640 GATT_Indication fail

I use periodic task to do indication every 100 ms.
When clock expired, it will do

static void SimpleBLEPeripheral_performPeriodicTask(void)
{
  uint8 Charvalue[GATT_CHAR2_LEN];
  SimpleProfile_GetParameter(SIMPLEPROFILE_CHAR2, Charvalue);
  Indication_ATT(SIMPLEPROFILE_CHAR2, Charvalue, selfEntity);
}

Then,

bStatus_t Indication_ATT( uint8 param, uint8* value, ICall_EntityID taskid)
{
  bStatus_t status = SUCCESS;
  attHandleValueInd_t indicate;

  switch ( param )
  {
    case SIMPLEPROFILE_CHAR2:
    indicate.pValue = (uint8 *)GATT_bm_alloc( gapConnHandle, ATT_HANDLE_VALUE_NOTI, GATT_CHAR2_LEN, NULL );

    VOID memcpy(indicate.pValue, ECGTimer, TIMER_LEN);
    indicate.len = GATT_CHAR2_LEN;
    indicate.handle = 0x0024;

    status = GATT_Indication( gapConnHandle, &indicate, FALSE, (uint8)taskid );
 
    break;

    default:
    status = INVALIDPARAMETER;
    break;
  }
  return ( status );
}

Finally, if the GATT server receives ACK from BTOOL, it will goto

static void SimpleBLEPeripheral_processGATTMsg(gattMsgEvent_t *pMsg)
{

   if( pMsg->method != ATT_HANDLE_VALUE_CFM)
   {
     //ATT_HandleValueCfm( pMsg->connHandle );
     System_printf("0x%x\n", pMsg->method);
   }

   GATT_bm_free(&pMsg->msg, pMsg->method);
}

Hi JXS,

If Indication returns failure, it will indicate about 120~130 times. (use another device can't ACK)

If Indication returns success, it will indicate about 30 times. (use BTOOL)

I indicate 5 Byte ATT each time.