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light.py
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light.py
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from kipr import push_button, msleep, console_clear, analog
from time import time
START_LIGHT_THRESHOLD = 0
USE_BUTTON_INSTEAD = False
def _calibrate(port):
global START_LIGHT_THRESHOLD
light_on = 0
while not push_button():
light_on = analog(port)
console_clear()
print("Press button with light on")
print("On value =", light_on)
msleep(100)
while push_button():
pass
if light_on > 400:
print("Bad calibration")
return False
msleep(1000)
light_off = 3000
while not push_button():
console_clear()
print("Press button with light off")
print("On value =", light_on)
light_off = analog(port)
print("Off value =", light_off)
msleep(100)
while push_button():
pass
if light_off < 1400:
print("Bad calibration")
return False
if (light_off - light_on) < 900:
print("Bad calibration")
return False
START_LIGHT_THRESHOLD = (light_off - light_on) / 2
print("Good calibration! ", START_LIGHT_THRESHOLD)
return True
def _wait_4(port, function=None, function_every=None):
i = 10
end_time = 0
print("waiting for light!!", i)
while i > 0:
if analog(port) < START_LIGHT_THRESHOLD or (push_button() and USE_BUTTON_INSTEAD):
i = i - 1
print("Countdown:", i)
else:
i = 10
if function and function_every and time() - end_time > function_every and i == 10:
function()
end_time = time()
else:
msleep(10)
def wait_4_light(port, ignore=False, function=None, function_every=None):
if ignore:
wait_for_button()
return
if not USE_BUTTON_INSTEAD:
while not _calibrate(port):
pass
_wait_4(port, function=function, function_every=function_every)
def wait_for_button():
print('waiting for button')
while not push_button():
pass
while push_button():
pass