readBytes method

Future<Uint8List?> readBytes(
  1. UsbDeviceInfo usbDeviceInfo, {
  2. int timeOut = 2000,
})

接收打印机字节数据

Implementation

Future<Uint8List?> readBytes(UsbDeviceInfo usbDeviceInfo, {int timeOut = 2000}) {
  throw UnimplementedError('readBytes() has not been implemented.');
}