def _test_output_defaults_with_input():
i = Input(INPUT_PIN)
o = Output(OUTPUT_PIN) # default is active low!
o.off() # HIGH
time.sleep(MINIMUM_INPUT_PERIOD)
high_worked = i.is_on()
o.on() # LOW
time.sleep(MINIMUM_INPUT_PERIOD)
low_worked = i.is_off()
i.disable()
o.disable()
return high_worked and low_worked
def _test_output_defaults_with_button():
b = Button(INPUT_PIN)
o = Output(OUTPUT_PIN) # default is active low!
o.off() # HIGH
time.sleep(MINIMUM_BUTTON_PRESS_PERIOD)
released_worked = b.is_released() # Released button is HIGH
o.on() # LOW
time.sleep(MINIMUM_BUTTON_PRESS_PERIOD)
pressed_worked = b.is_pressed() # PRESSED button is LOW
b.disable()
o.disable()
return released_worked and pressed_worked
def _test_output_defaults_with_input():
i = Input(INPUT_PIN)
o = Output(OUTPUT_PIN) # default is active low!
o.off() # HIGH
time.sleep(MINIMUM_INPUT_PERIOD)
high_worked = i.is_on()
o.on() # LOW
time.sleep(MINIMUM_INPUT_PERIOD)
low_worked = i.is_off()
i.disable()
o.disable()
return high_worked and low_worked
def _test_output_defaults_with_button():
b = Button(INPUT_PIN)
o = Output(OUTPUT_PIN) # default is active low!
o.off() # HIGH
time.sleep(MINIMUM_BUTTON_PRESS_PERIOD)
released_worked = b.is_released() # Released button is HIGH
o.on() # LOW
time.sleep(MINIMUM_BUTTON_PRESS_PERIOD)
pressed_worked = b.is_pressed() # PRESSED button is LOW
b.disable()
o.disable()
return released_worked and pressed_worked
def input_pull_test(pull, stayed_on, stayed_off, configure=False):
for n in range(5):
if configure:
i = Input(INPUT_PIN)
i.configure(pull=pull)
else:
i = Input(INPUT_PIN, pull=pull)
o = Output(OUTPUT_PIN, active_low=False)
o.on()
o.disable()
actually_stayed_on = i.is_on()
o = Output(OUTPUT_PIN, active_low=False)
o.off()
o.disable()
actually_stayed_off = i.is_off()
i.disable()
if stayed_on == actually_stayed_on and stayed_off == actually_stayed_off:
return True
time.sleep(0.5)
print("FAILED, RETRYING...")
print("TOO MANY RETRIES!")
return False
def input_pull_test(pull, stayed_on, stayed_off, configure=False):
for n in range(5):
if configure:
i = Input(INPUT_PIN)
i.configure(pull=pull)
else:
i = Input(INPUT_PIN, pull=pull)
o = Output(OUTPUT_PIN, active_low=False)
o.on()
o.disable()
actually_stayed_on = i.is_on()
o = Output(OUTPUT_PIN, active_low=False)
o.off()
o.disable()
actually_stayed_off = i.is_off()
i.disable()
if stayed_on == actually_stayed_on and stayed_off == actually_stayed_off:
return True
time.sleep(0.5)
print("FAILED, RETRYING...")
print("TOO MANY RETRIES!")
return False
import mido
from rstem.button import Button
from rstem.gpio import Output
output = mido.open_output('X18/XR18 MIDI 1')
button = Button(4)
clean_led = Output(2)
distorted_led = Output(22)
output.send(mido.Message('control_change', channel=1))
output.send(mido.Message('control_change', channel=1, control=1, value=127))
distorted = False
clean_led.on()
distorted_led.off()
while True:
if button.presses():
if distorted == True:
output.send(mido.Message('control_change', channel=1))
output.send(
mido.Message('control_change', channel=1, control=1,
value=127))
distorted = False
clean_led.on()
distorted_led.off()
elif distorted == False:
output.send(mido.Message('control_change', channel=1, value=127))
output.send(mido.Message('control_change', channel=1, control=1))
distorted = True
clean_led.off()
distorted_led.on()
import time
led = Output(14)
while True:
num_uuts = 0
on = False
start = time.time()
while num_uuts <= 2 or num_uuts >= 12:
try:
num_uuts = FrameBuffer.detect()
except:
num_uuts = 0
if on:
led.on()
else:
led.off()
elapsed = time.time() - start
if on and elapsed > 0.3 or not on and elapsed > 2:
on = not on
start = time.time()
time.sleep(0.05)
fb_spec = [(8*x,0,0) for x in range(num_uuts)]
fb = FrameBuffer(fb_spec)
digits = [Text(str(i)) for i in range(10)]