controller_esp.py 文件源码

def prepare_spi(self, spi): 
        if spi:
            new_spi = Controller.Mock()  

            def transfer(pin_ss, address, value = 0x00):        
                response = bytearray(1)

                pin_ss.low()

                spi.write(bytes([address]))
                spi.write_readinto(bytes([value]), response)

                pin_ss.high()

                return response

            new_spi.transfer = transfer
            new_spi.close = spi.deinit            
            return new_spi