58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
# Gemma M0 version of TVBgone
|
|
# This will NOT work with CircuitPython 7 and later
|
|
# as PulseOut is no longer available on Gemma M0
|
|
# Here for educational/research purposes only
|
|
|
|
import array
|
|
import time
|
|
|
|
import adafruit_dotstar
|
|
import board
|
|
import pulseio
|
|
from digitalio import DigitalInOut, Direction
|
|
|
|
# pylint: disable=eval-used
|
|
|
|
pixel = adafruit_dotstar.DotStar(
|
|
board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
|
|
pixel.fill((0, 0, 0))
|
|
|
|
# Button to see output debug
|
|
led = DigitalInOut(board.D13)
|
|
led.direction = Direction.OUTPUT
|
|
|
|
pwm = pulseio.PWMOut(board.A2, frequency=38000,
|
|
duty_cycle=2 ** 15, variable_frequency=True)
|
|
pulse = pulseio.PulseOut(pwm)
|
|
|
|
time.sleep(0.5) # Give a half second before starting
|
|
|
|
# gooooo!
|
|
f = open("/codes.txt", "r")
|
|
for line in f:
|
|
code = eval(line)
|
|
print(code)
|
|
pwm.frequency = code['freq']
|
|
led.value = True
|
|
# If this is a repeating code, extract details
|
|
try:
|
|
repeat = code['repeat']
|
|
delay = code['repeat_delay']
|
|
except KeyError: # by default, repeat once only!
|
|
repeat = 1
|
|
delay = 0
|
|
# The table holds the on/off pairs
|
|
table = code['table']
|
|
pulses = [] # store the pulses here
|
|
# Read through each indexed element
|
|
for i in code['index']:
|
|
pulses += table[i] # and add to the list of pulses
|
|
pulses.pop() # remove one final 'low' pulse
|
|
|
|
for i in range(repeat):
|
|
pulse.send(array.array('H', pulses))
|
|
time.sleep(delay)
|
|
led.value = False
|
|
time.sleep(code['delay'])
|
|
|
|
f.close()
|