Commit 9500e984 authored by Metallicow's avatar Metallicow
Browse files

__doc__ switch, make importable, and easy to test

parent f94cc975
"""
__doc__ = """
switch.py
=========
Light up all the leds when the USR switch on the pyboard is pressed.
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([2, 3])
Loop started.
Press Ctrl+C to break out of the loop.
"""
import pyb
......@@ -12,18 +22,25 @@ red_led = pyb.LED(1)
green_led = pyb.LED(2)
orange_led = pyb.LED(3)
blue_led = pyb.LED(4)
leds = [red_led, green_led, orange_led, blue_led]
while 1:
if switch():
## red_led.on()
## green_led.on()
## orange_led.on()
## blue_led.on()
[led.on() for led in leds]
else:
## red_led.off()
## green_led.off()
## orange_led.off()
## blue_led.off()
[led.off() for led in leds]
all_leds = [red_led, green_led, orange_led, blue_led]
def run_loop(use_leds=[]):
"""
Start the loop.
:param `use_leds`: Which leds to light up upon switch press.
:type `use_leds`: list of integers [1-4]
"""
print('Loop started.\nPress Ctrl+C to break out of the loop.')
leds = [all_leds[i - 1] for i in use_leds]
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()
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