Exemplos de usbGetSerialOperations em C++ (Cpp)

Exemplo n.º 1

Arquivo: gio_usb.c Projeto: MarkMielke/brltty

static ssize_t
writeUsbData (GioHandle *handle, const void *data, size_t size, int timeout) {
  UsbChannel *channel = handle->channel;

  {
    GioUsbWriteDataMethod *method = handle->properties.writeData;

    if (method) {
      return method(channel->device, &channel->definition, data, size, timeout);
    }
  }

  if (channel->definition.outputEndpoint) {
    return usbWriteData(channel->device,
                        channel->definition.outputEndpoint,
                        data, size, timeout);
  }

  {
    const UsbSerialOperations *serial = usbGetSerialOperations(channel->device);

    if (serial) {
      if (serial->writeData) {
        return serial->writeData(channel->device, data, size);
      }
    }
  }

  errno = ENOSYS;
  return -1;
}

Exemplo n.º 2

Arquivo: io_generic.c Projeto: junwuwei/brailleback

static ssize_t
writeUsbData (GioHandle *handle, const void *data, size_t size, int timeout) {
  UsbChannel *channel = handle->usb.channel;

  if (channel->definition.outputEndpoint) {
    return usbWriteEndpoint(channel->device,
                            channel->definition.outputEndpoint,
                            data, size, timeout);
  }

  {
    const UsbSerialOperations *serial = usbGetSerialOperations(channel->device);

    if (serial) {
      if (serial->writeData) {
        return serial->writeData(channel->device, data, size);
      }
    }
  }

  errno = ENOSYS;
  return -1;
}