async def connect_serial(address) -> Connection:
LOGGER.info(f'Connecting over Serial to {address}')
protocol = FileSenderProtocol()
ser = serial.serial_for_url(address, baudrate=YMODEM_TRANSFER_BAUD_RATE)
transport = SerialTransport(asyncio.get_event_loop(), protocol, ser)
transport.serial.rts = False
transport.set_write_buffer_limits(
high=255) # receiver RX buffer is 256, so limit send buffer to 255
conn = Connection(address, transport, protocol)
await conn.protocol.connected
return conn
async def connect_serial(app: web.Application,
factory: ProtocolFactory_
) -> Awaitable[ConnectionResult_]:
config = app['config']
port = config['device_serial']
id = config['device_id']
address = detect_device(port, id)
protocol = factory()
ser = serial.serial_for_url(address, baudrate=DEFAULT_BAUD_RATE)
loop = asyncio.get_event_loop()
transport = SerialTransport(loop, protocol, ser)
transport.serial.rts = False
transport.set_write_buffer_limits(high=255) # receiver RX buffer is 256, so limit send buffer to 255
return address, transport, protocol
