import RPi.GPIO as GPIO
import time

IR_PIN = 17  # GPIO pin connected to the IR receiver

def capture_ir_signals():
    print("Capturing IR signals. Press Ctrl+C to stop...")
    try:
        while True:
            pulse_lengths = []
            # Wait for the start of a pulse
            while GPIO.input(IR_PIN) == GPIO.HIGH:
                pass
            # Record the start time of the pulse
            start_time = time.time()
            # Wait for the end of the pulse
            while GPIO.input(IR_PIN) == GPIO.LOW:
                pass
            # Record the duration of the pulse
            pulse_duration = time.time() - start_time
            pulse_lengths.append(pulse_duration)
            # Continue to record pulse lengths until the signal ends
            while GPIO.input(IR_PIN) == GPIO.HIGH:
                start_time = time.time()
                while GPIO.input(IR_PIN) == GPIO.LOW:
                    pass
                pulse_duration = time.time() - start_time
                pulse_lengths.append(pulse_duration)
            # Decode the pulse lengths
            decode_signal(pulse_lengths)
    except KeyboardInterrupt:
        print("Stopping IR signal capture.")
    finally:
        GPIO.cleanup()

def decode_signal(pulse_lengths):
    # Example decoding logic (replace with your own)
    # This is a very basic example, actual decoding may be more complex
    print("Received signal:", pulse_lengths)

if __name__ == "__main__":
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(IR_PIN, GPIO.IN)
    capture_ir_signals()