earthquakepi.py 文件源码

def exit():
    """
    Exit handler, which clears all custom chars and shuts down the display.
    """
    try:
    if not DISPLAY:
            lcd = RPi_I2C_driver.lcd()
            lcd.backlight(0)
        if DEBUG:
            print "exit()"
        GPIO.cleanup()
    except:
        # avoids ugly KeyboardInterrupt trace on console...
        pass


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# MAIN HERE