public BadgeConnection(string port, int baud, IBadgeResponseDispatcher dispatcher, int retryInterval = 500)
{
m_dispatcher = dispatcher;
Port = port;
Baud = baud;
Stream = new SerialPort(Port, Baud, Parity.None, 8, StopBits.One);
Stream.DataReceived += DataReceived;
Stream.Open();
//
for (byte i = 2; i != 0; ++i)
{
m_availableIds.Enqueue(i);
}
m_nextPacketID = 1;
//
if (System.Diagnostics.Debugger.IsAttached)
{
retryInterval = 5000;
}
m_timer = new System.Threading.Timer(TimeoutEvent, null, retryInterval, retryInterval);
m_timerInterval = retryInterval;
//
Stream.Write(Enumerable.Repeat <byte>(0xFF, 256).ToArray(), 0, 256);
MemoryStream m = new MemoryStream();
BadgeCommands.CreateQuerySetting(m, SettingValue.Caps);
Send(m, true, true);
}
public static int GetFullCommandLength(CommandCodes command, byte[] buffer, int offset)
{
switch (command)
{
case CommandCodes.UpdateSetting:
{
SettingValue setting = (SettingValue)(buffer[offset] & 0xF);
return(GetSettingUpdateLength(setting));
}
case CommandCodes.WriteRect:
{
Target targetBuffer;
PixelFormat format;
byte x, y;
byte width, height;
byte bufferLength;
int headerLen = BadgeCommands.DecodeWriteRect(buffer, offset, out targetBuffer, out format, out x, out y, out width, out height, out bufferLength);
return(headerLen + bufferLength);
}
case CommandCodes.WriteMemory:
{
byte numDWords;
short address;
byte bufferLength;
int headerLen = BadgeCommands.DecodeWriteMemory(buffer, offset, out address, out numDWords, out bufferLength);
return(headerLen + bufferLength);
}
default: return(GetMinCommandLength(command));
}
}
void RunFrame()
{
var commands = new MemoryStream();
if (m_prevBrightness != Brightness)
{
m_prevBrightness = Brightness;
BadgeCommands.CreateUpdateBrightnessSetting(commands, Brightness);
}
if (UseFrameBuffer)
{
BadgeCaps device = Device;
if (device != null && (m_renderTarget == null || !m_renderTarget.SameDimentions(device.Width, device.Height, device.BitsPerPixel == 1 ? PixelFormat.OneBit : PixelFormat.TwoBits)))
{
m_renderTarget = new BadgeRenderTarget(device.Width, device.Height, device.BitsPerPixel == 1 ? PixelFormat.OneBit : PixelFormat.TwoBits);
}
if (m_renderTarget != null)
{
var render = RenderFrame;
if (render != null)
{
render(this, new BadgeFrameEventArgs(Device, m_renderTarget));
}
if (Dither)
{
m_renderTarget.DitherImage();
}
m_renderTarget.PackBuffer(RotateFrame);
var ready = FrameReady;
if (ready != null)
{
ready(this, new BadgeFrameEventArgs(Device, m_renderTarget));
}
int writeBufferLength;
BadgeCommands.CreateWriteRect(commands, Target.BackBuffer, m_renderTarget.PackedFormat,
0, 0, (byte)m_renderTarget.WidthInBlocks, (byte)m_renderTarget.Height, out writeBufferLength);
commands.Write(m_renderTarget.PackedBuffer, 0, m_renderTarget.PackedBuffer.Length);
BadgeCommands.CreateSwap(commands, false, 0);
}
}
else
{
var getCommands = GenerateCommands;
if (getCommands != null)
{
getCommands(this, new BadgeCommandEventArgs(Device, commands));
}
}
var readyToSend = ReadyToSend;
if (readyToSend != null)
{
readyToSend(this, new BadgeCommandEventArgs(Device, commands));
}
SendFrame(commands);
}
