templog.py 文件源码

def read_temps():
    """Read DS18B20's."""
    dat = machine.Pin(PIN_1W)
    ds = ds18x20.DS18X20(onewire.OneWire(dat))

    ds.convert_temp()
    time.sleep_ms(750)

    return {rom_to_hex(rom): ds.read_temp(rom) for rom in ds.scan()}