extern CyU3PReturnStatus_tCyU3PGpifSMStart ( uint8_t stateIndex, /**< State from which to start execution. This should be 0 in most cases. */ uint8_t initialAlpha /**< Initial alpha values to start GPIF state machine Operation with. */ );
4.3获取状态机当前状态api
extern CyU3PReturnStatus_tCyU3PGpifGetSMState ( uint8_t *curState_p /**< Return parameter to be filled with current state information. */ );