| 123456789101112131415161718192021222324252627282930313233343536373839404142434445 |
- """
- switch.py
- =========
- Light up some leds when the USR switch on the pyboard is pressed.
- Example Usage::
- Micro Python v1.0.1 on 2014-05-12; PYBv1.0 with STM32F405RG
- Type "help()" for more information.
- >>> import switch
- >>> switch.run_loop()
- Loop started.
- Press Ctrl+C to break out of the loop.
- """
- import pyb
- switch = pyb.Switch()
- red_led = pyb.LED(1)
- green_led = pyb.LED(2)
- orange_led = pyb.LED(3)
- blue_led = pyb.LED(4)
- all_leds = (red_led, green_led, orange_led, blue_led)
- def run_loop(leds=all_leds):
- """
- Start the loop.
- :param `leds`: Which LEDs to light up upon switch press.
- :type `leds`: sequence of LED objects
- """
- print('Loop started.\nPress Ctrl+C to break out of the loop.')
- while 1:
- try:
- if switch():
- [led.on() for led in leds]
- else:
- [led.off() for led in leds]
- except OSError: # VCPInterrupt # Ctrl+C in interpreter mode.
- break
- if __name__ == '__main__':
- run_loop()
|
