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authorDan Halbert <halbert@halwitz.org>2018-02-27 22:03:52 -0500
committerGitHub <noreply@github.com>2018-02-27 22:03:52 -0500
commit568c04e6afa8016062f685b2198c0209f62827f4 (patch)
treed07b76119f715add462983b335797adf64b61249 /examples/switch.py
parent6a2379fd0bfe10017d8abc5c36ef1d470c0d9b27 (diff)
parentea633117d01d94e8d56ed94344e4b3e46b4eef03 (diff)
Merge pull request #650 from tannewt/merge_2x3.0.0-alpha.2
Merge in commits from 2.x branch.
Diffstat (limited to 'examples/switch.py')
-rw-r--r--examples/switch.py45
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diff --git a/examples/switch.py b/examples/switch.py
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-"""
-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()