56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
import gc
|
|
from adafruit_hid.keyboard import Keyboard; gc.collect()
|
|
from adafruit_hid.keycode import Keycode; gc.collect()
|
|
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS; gc.collect()
|
|
import board
|
|
import pulseio
|
|
import adafruit_dotstar
|
|
import adafruit_irremote
|
|
import time
|
|
|
|
# The keyboard object!
|
|
time.sleep(1) # Sleep for a bit to avoid a race condition on some systems
|
|
keyboard = Keyboard()
|
|
keyboard_layout = KeyboardLayoutUS(keyboard) # We're in the US :)
|
|
|
|
led = adafruit_dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1)
|
|
decoder = adafruit_irremote.GenericDecode()
|
|
pulsein = pulseio.PulseIn(board.REMOTEIN, maxlen=100, idle_state=True)
|
|
|
|
# Expected pulse, pasted in from previous recording REPL session:
|
|
key1_pulses = [0]
|
|
|
|
key2_pulses = [1]
|
|
|
|
print('IR listener')
|
|
# Fuzzy pulse comparison function:
|
|
def fuzzy_pulse_compare(pulse1, pulse2, fuzzyness=0.2):
|
|
if len(pulse1) != len(pulse2):
|
|
return False
|
|
for i in range(len(pulse1)):
|
|
threshold = int(pulse1[i] * fuzzyness)
|
|
if abs(pulse1[i] - pulse2[i]) > threshold:
|
|
return False
|
|
return True
|
|
|
|
# Create pulse input and IR decoder.
|
|
pulsein.clear()
|
|
pulsein.resume()
|
|
|
|
# Loop waiting to receive pulses.
|
|
while True:
|
|
led[0] = (0, 0, 0) # LED off
|
|
# Wait for a pulse to be detected.
|
|
pulses = decoder.read_pulses(pulsein)
|
|
led[0] = (0, 0, 100) # flash blue
|
|
|
|
print("\tHeard", len(pulses), "Pulses:", pulses)
|
|
# Got a pulse set, now compare.
|
|
if fuzzy_pulse_compare(key1_pulses, pulses):
|
|
print("****** KEY 1 DETECTED! ******")
|
|
keyboard.press(Keycode.SPACE)
|
|
keyboard.release_all()
|
|
|
|
if fuzzy_pulse_compare(key2_pulses, pulses):
|
|
print("****** KEY 2 DETECTED! ******")
|
|
keyboard_layout.write("hello!")
|