/// <summary>
/// Create a <see cref="DeviceInfoPacket"/> from a <see cref="Device"/>
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
protected static DeviceInfoPacket EncodeDeviceInfo(Device device)
{
DeviceInfoPacket packet = new DeviceInfoPacket();
unsafe
{
SerializeFixedString(device.name, (IntPtr)packet.name.value, DeviceName.Length);
SerializeFixedString(device.uid, (IntPtr)packet.uid.value, DeviceUID.Length);
packet.productId = device.productId;
packet.variantId = device.variantId;
packet.rssi = device.rssi;
}
return(packet);
}
/// <summary>
/// Decode a device list from a byte stream
/// </summary>
/// <param name="buffer"></param>
/// <param name="index"></param>
/// <returns></returns>
private static Device[] DecodeDeviceList(byte[] buffer, ref int index)
{
DeviceListPacketHeader header = DeserializePacket <DeviceListPacketHeader>(buffer, ref index);
Device[] devices = new Device[header.deviceCount];
for (int i = 0; i < header.deviceCount; i++)
{
DeviceInfoPacket deviceInfo = DeserializePacket <DeviceInfoPacket>(buffer, ref index);
Device device = DecodeDeviceInfo(deviceInfo, ConnectionState.Disconnected);
device.isConnected = false;
devices[i] = device;
}
return(devices);
}
/// <summary>
/// Create a <see cref="DeviceInfoPacket"/> from a <see cref="Device"/>
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
protected static DeviceInfoPacket SerializeDeviceInfo(Device device)
{
DeviceInfoPacket packet = new DeviceInfoPacket();
unsafe
{
SerializeFixedString(device.name, (IntPtr)packet.name.value, DeviceName.Length);
SerializeFixedString(device.uid, (IntPtr)packet.uid.value, DeviceUID.Length);
SerializeFixedString(device.firmwareVersion, (IntPtr)packet.firmwareVersion.value, DeviceFirmwareVersion.Length);
packet.productId = device.productId;
packet.variantId = device.variantId;
packet.rssi = device.rssi;
packet.availableSensors = device.availableSensors;
packet.availableGestures = device.availableGestures;
}
return(packet);
}
/// <summary>
/// Recreate a <see cref="Device"/> from a <see cref="DeviceInfoPacket"/> and <see cref="ConnectionState"/>
/// </summary>
/// <param name="deviceInfoPacket"></param>
/// <param name="connectionState"></param>
/// <returns></returns>
protected static Device DecodeDeviceInfo(DeviceInfoPacket deviceInfoPacket, ConnectionState connectionState)
{
Device device;
unsafe
{
device = new Device
{
name = DeserializeFixedString((IntPtr)deviceInfoPacket.name.value, DeviceName.Length),
uid = DeserializeFixedString((IntPtr)deviceInfoPacket.uid.value, DeviceUID.Length),
productId = deviceInfoPacket.productId,
variantId = deviceInfoPacket.variantId,
rssi = deviceInfoPacket.rssi,
isConnected = (connectionState == ConnectionState.Connected)
};
}
return(device);
}
/// <summary>
/// Encode a Device List packet into the buffer
/// </summary>
/// <param name="buffer"></param>
/// <param name="index"></param>
/// <param name="devices"></param>
public static void EncodeDeviceList(byte[] buffer, ref int index, Device[] devices)
{
// Encode header
PacketHeader header = new PacketHeader(PacketTypeCode.DeviceList);
SerializePacket(buffer, ref index, header);
// Encode sub-header
SerializePacket(buffer, ref index, new DeviceListPacketHeader {
deviceCount = devices.Length
});
// Encode payload
for (int i = 0; i < devices.Length; i++)
{
DeviceInfoPacket packet = EncodeDeviceInfo(devices[i]);
SerializePacket(buffer, ref index, packet);
}
// Encode footer
SerializePacket(buffer, ref index, _footer);
}
/// <summary>
/// Recreate a <see cref="Device"/> from a <see cref="DeviceInfoPacket"/> and <see cref="ConnectionState"/>
/// </summary>
/// <param name="deviceInfoPacket"></param>
/// <param name="connectionState"></param>
/// <returns></returns>
protected static Device DeserializeDeviceInfo(DeviceInfoPacket deviceInfoPacket, ConnectionState connectionState)
{
Device device;
unsafe
{
device = new Device
{
name = DeserializeFixedString((IntPtr)deviceInfoPacket.name.value, DeviceName.Length),
uid = DeserializeFixedString((IntPtr)deviceInfoPacket.uid.value, DeviceUID.Length),
firmwareVersion = DeserializeFixedString((IntPtr)deviceInfoPacket.firmwareVersion.value, DeviceFirmwareVersion.Length),
productId = deviceInfoPacket.productId,
variantId = deviceInfoPacket.variantId,
rssi = deviceInfoPacket.rssi,
isConnected = (connectionState == ConnectionState.Connected),
availableSensors = deviceInfoPacket.availableSensors,
availableGestures = deviceInfoPacket.availableGestures
};
}
return(device);
}
