#!/usr/bin/env python3

import pigpio
import time

GPIO = 18
FREQ = 38000
DUTY = 500000  # 50%

raw = [
    9003, -4483,
    583, -568,
    592, -535,
    557, -570,
    563, -564,
    558, -569,
    588, -540,
    557, -545,
    583, -569,
    559, -1694,
    565, -1692,
    560, -1693,
    561, -1693,
    565, -1690,
    564, -1691,
    585, -1670,
    562, -1695,
    558, -570,
    581, -546,
    584, -544,
    554, -572,
    588, -1666,
    560, -567,
    557, -570,
    586, -516,
    607, -1671,
    555, -1698,
    586, -1669,
    558, -1694,
    559, -546,
    581, -1696,
    557, -1697,
    588, -1667,
    556
]

pi = pigpio.pi()

if not pi.connected:
    raise RuntimeError("pigpio daemon läuft nicht")

waves = []

for t in raw:

    if t > 0:
        pi.wave_add_new()

        pi.wave_add_generic([
            pigpio.pulse(1 << GPIO, 0, t)
        ])

        wid = pi.wave_create()
        waves.append(wid)

    else:
        pi.wave_add_new()

        pi.wave_add_generic([
            pigpio.pulse(0, 1 << GPIO, abs(t))
        ])

        wid = pi.wave_create()
        waves.append(wid)

pi.hardware_PWM(GPIO, FREQ, DUTY)

chain = []

for wid in waves:
    chain.append(wid)

pi.wave_chain(chain)

while pi.wave_tx_busy():
    time.sleep(0.01)

for wid in waves:
    pi.wave_delete(wid)

pi.hardware_PWM(GPIO, 0, 0)

pi.stop()