from machine import Pin

import select

import time

import sys

import _thread

# 888~-_ e88~-_ 888

# 888 888 888 \ Y88b / d888 \ e88~-_ e88~\888 e88~~8e

# 888 888 888 | Y888/ 8888 d888 i d888 888 d888 88b

# 888 888 888 / Y8/ 8888 8888 | 8888 888 8888__888

# 888 888 888_-~ Y Y888 / Y888 ' Y888 888 Y888 ,

# "88_-888 888 / "88_-~ "88_-~ "88_/888 "88___/

# _/

# Communication back to the GUI is done using a simple print

print('STARTING uPython code...')

# Anti-pattern anywone? Cheating to get global variables so that the code isn't peppered with global statements

class G:

stop_requested = False

blink_led = False

input_pin:Pin = None

pin_map = {} # dictionary of pin to pin num

# 888~-_ ,e,

# 888 \ e88~~8e e88~~\ e88~~8e " Y88b / e88~~8e

# 888 | d888 88b d888 d888 88b 888 Y88b / d888 88b

# 888 / 8888__888 8888 8888__888 888 Y88b/ 8888__888

# 888_-~ Y888 , Y888 Y888 , 888 Y8/ Y888 ,

# 888 ~-_ "88___/ "88__/ "88___/ 888 Y "88___/

#

# ~~~888~~~ 888 888

# 888 888-~88e e88~~8e /~~~8e e88~\888

# 888 888 888 d888 88b 88b d888 888

# 888 888 888 8888__888 e88~-888 8888 888

# 888 888 888 Y888 , C888 888 Y888 888

# 888 888 888 "88___/ "88_-888 "88_/888

def receive_thread():

print('Serial Receive Thread STARTED')

while True:

# See if chars are available on the serial port

r, _, _ = select.select([sys.stdin], [], [], 2.0)

if r:

line = sys.stdin.readline().strip()

if not line:

continue

if line.startswith('TEST'):

for i in range(10):

print(f'Test {i}')

time.sleep(.2)

elif line.startswith('STOP'):

print('uPython serial thread EXITING....')

G.stop_requested = True

_thread.exit()

elif line.startswith('LED'):

print('Starting LED blink test')

G.blink_led = True

else:

print(f'Received unknown command: {line}')

# 888 d8 d8

# 888 888-~88e _d88__ e88~~8e 888-~\ 888-~\ 888 888 888-~88e _d88__

# 888 888 888 888 d888 88b 888 888 888 888 888 888b 888

# 888 888 888 888 8888__888 888 888 888 888 888 8888 888

# 888 888 888 888 Y888 , 888 888 888 888 888 888P 888

# 888 888 888 "88_/ "88___/ 888 888 "88_-888 888-_88" "88_/

# 888

@micropython.native

def chip_interrupt(pin:Pin):

try:

pin_num = G.pin_map[pin]

except:

print('Error pin lookup')

pin_num = None

print(f'Interrupt on pin {pin_num}')

def blink_led():

led = Pin(25, Pin.OUT) # use any free GPIO pin number

for i in range(0,20):

led.value(1) # optimized call

time.sleep(.5)

led.value(0)

time.sleep(.5)

if G.stop_requested:

return

# e e ,e,

# d8b d8b /~~~8e " 888-~88e

# d888bdY88b 88b 888 888 888

# / Y88Y Y888b e88~-888 888 888 888

# / YY Y888b C888 888 888 888 888

# / Y888b "88_-888 888 888 888

def main():

print('Started MAIN')

G.input_pin = Pin(2, Pin.IN)

G.pin_map[G.input_pin] = 2

G.input_pin.irq(chip_interrupt, Pin.IRQ_FALLING)

_thread.start_new_thread(receive_thread, ())

print('DONE starting uPython code')

# background / work loop

while True:

time.sleep(3)

if G.stop_requested:

print('uPython code EXITING')

break

elif G.blink_led:

blink_led()

G.blink_led = False

print('LED Blink Test Complete')

sys.exit()

if __name__ == '__main__':

main()