radiohackbox.py 文件源码

def buttonCallback(self, channel):
        """Callback function for user input (pressed buttons)"""

        # record button state transitions
        if channel == RECORD_BUTTON:
            # if the current state is IDLE change it to RECORD
            if self.state == IDLE:
                # set RECORD state
                self.setState(RECORD)

                # empty payloads list
                self.payloads = []

            # if the current state is RECORD change it to IDLE
            elif self.state == RECORD:
                # set IDLE state
                self.setState(IDLE)

        # play button state transitions
        elif channel == REPLAY_BUTTON:
            # if the current state is IDLE change it to REPLAY
            if self.state == IDLE:
                # set REPLAY state
                self.setState(REPLAY)

        # scan button state transitions
        elif channel == SCAN_BUTTON:
            # wait a short a time to see whether the record button is also
            # press in order to perform a graceful shutdown

            # remove event detection for record button
            GPIO.remove_event_detect(RECORD_BUTTON)
            chan = GPIO.wait_for_edge(RECORD_BUTTON, GPIO.RISING, timeout=1000)
            if chan != None:
                # set SHUTDOWN state
                self.setState(SHUTDOWN)

            # set callback function for record button
            GPIO.remove_event_detect(RECORD_BUTTON)
            GPIO.add_event_detect(RECORD_BUTTON, GPIO.RISING, callback = self.buttonCallback, bouncetime = 250)

            # if the current state is IDLE change it to SCAN
            if self.state == IDLE:
                # set SCAN state
                self.setState(SCAN)

        # attack button state transitions
        elif channel == ATTACK_BUTTON:
            # if the current state is IDLE change it to ATTACK
            if self.state == IDLE:
                # set ATTACK state
                self.setState(ATTACK)

        # debug output
        debug("State: {0}".format(self.state))