simpleBLEPeripheral工程中，文件peripheral.c中：
bStatus_t GAPRole_SetParameter( uint16 param, uint8 len, void *pValue )
{ bStatus_t ret = SUCCESS;
switch ( param )
....
case GAPROLE_ADVERT_ENABLED:
if ( len == sizeof( uint8 ) )
{
uint8 oldAdvEnabled = gapRole_AdvEnabled; //函数每次调用时都会执行，oldAdvEnabled永远为ture。？？
gapRole_AdvEnabled = *((uint8*)pValue);
if ( (oldAdvEnabled) && (gapRole_AdvEnabled == FALSE) )
{
// Turn off Advertising
if ( gapRole_state == GAPROLE_ADVERTISING )
{
VOID GAP_EndDiscoverable( gapRole_TaskID );
}
}
else if ( (oldAdvEnabled == FALSE) && (gapRole_AdvEnabled) ) //这个条件永远不能满足？？
{
// Turn on Advertising
if ( (gapRole_state == GAPROLE_STARTED)
|| (gapRole_state == GAPROLE_WAITING)
|| (gapRole_state == GAPROLE_WAITING_AFTER_TIMEOUT) )
{
VOID osal_set_event( gapRole_TaskID, START_ADVERTISING_EVT );
}
}
}
else
{
ret = bleInvalidRange;
}
break;
