// HidUtility asks if a packet should be sent to the device
// Prepare the buffer and request a transfer
public void SendPacketHandler(object sender, UsbBuffer OutBuffer)
{
// Fill entire buffer with 0xFF
OutBuffer.clear();
if (ToggleLedPending == true)
{
// The first byte is the "Report ID" and does not get sent over the USB bus. Always set = 0.
OutBuffer.buffer[0] = 0;
// 0x80 is the "Toggle LED" command in the firmware
OutBuffer.buffer[1] = 0x80;
ToggleLedPending = false;
LastCommand = 0x80;
}
else if (LastCommand == 0x81)
{
// The first byte is the "Report ID" and does not get sent over the USB bus. Always set = 0.
OutBuffer.buffer[0] = 0x00;
// READ_POT command (see the firmware source code), gets 10-bit ADC Value
OutBuffer.buffer[1] = 0x37;
LastCommand = 0x37;
}
else
{
// The first byte is the "Report ID" and does not get sent over the USB bus. Always set = 0.
OutBuffer.buffer[0] = 0x00;
// 0x81 is the "Get Pushbutton State" command in the firmware
OutBuffer.buffer[1] = 0x81;
LastCommand = 0x81;
}
// Request that this buffer be sent
OutBuffer.RequestTransfer = true;
}
// HidUtility asks if a packet should be sent to the device
// Prepare the buffer and request a transfer
public void SendPacketHandler(object sender, UsbBuffer OutBuffer)
{
DebugString = "Start SendPacketHandler";
// Fill entire buffer with 0xFF
OutBuffer.clear();
// The first byte is the "Report ID" and does not get sent over the USB bus. Always set = 0.
OutBuffer.buffer[0] = 0x00;
//Prepare data to send
byte NextPacket;
if (PacketsToRequest.Count >= 1)
{
NextPacket = PacketsToRequest[0];
PacketsToRequest.RemoveAt(0);
}
else
{
NextPacket = 0x10;
}
OutBuffer.buffer[1] = NextPacket;
PacketsToRequest.Add(NextPacket);
int position = 2;
while ((position <= 64) && (PendingCommands.Count > 0))
{
List <byte> CommandBytes = PendingCommands[0].GetByteList();
//Check if entire command fits into current buffer
if ((64 - position) >= CommandBytes.Count)
{
foreach (byte b in CommandBytes)
{
OutBuffer.buffer[position] = b;
++position;
}
PendingCommands.RemoveAt(0);
}
else
{
position += CommandBytes.Count;
break;
}
}
//Request the packet to be sent over the bus
OutBuffer.RequestTransfer = true;
DebugString = "End SendPacketHandler";
}