services.py 文件源码

def get_dsmr_connection_parameters():
    """ Returns the communication settings required for the DSMR version set. """
    DSMR_VERSION_MAPPING = {
        DataloggerSettings.DSMR_VERSION_2: {
            'baudrate': 9600,
            'bytesize': serial.SEVENBITS,
            'parity': serial.PARITY_EVEN,
            'crc': False,
        },
        DataloggerSettings.DSMR_VERSION_4_PLUS: {
            'baudrate': 115200,
            'bytesize': serial.EIGHTBITS,
            'parity': serial.PARITY_NONE,
            'crc': True,
        },
    }

    datalogger_settings = DataloggerSettings.get_solo()
    connection_parameters = DSMR_VERSION_MAPPING[datalogger_settings.dsmr_version]
    connection_parameters['com_port'] = datalogger_settings.com_port
    return connection_parameters