Hello,
Recently I am implementing firmware for a project where we need to stream (5120*720) sized frames from FPGA to Windows PC.
Our plan is to achieve 60fps, and we have a requirement of 100% of data should be delivered at the PC side.
This is how GPIF Connects and the State machine is implemented.
I am using 8 buffers of 16kB long.
Currently, I am using Bulk endpoint where we need to guarantee that all the data is presented at the PC, but we are losing so much data.
On the PC side, I am using the following mechanism in a separate thread.
int len = BufSz;
EpBulkIn_ImageData.TimeOut = 5;
bool isSuccess = EpBulkIn_ImageData.XferData(ref xferBufs[bufferIdx], ref len);
if (!isSuccess)
{
failures++;
continue;
}
if (len > 0)
{
try
{
ImageRawBuff imgRawBuff = new ImageRawBuff();
imgRawBuff.pBuff = xferBufs[bufferIdx];
imgRawBuff.size = len;
if (g_Que_CollectorBufferPointer.Count >= const_GBuffQueSize)
{
g_Que_CollectorBufferPointer.Dequeue();
}
g_Que_CollectorBufferPointer.Enqueue(imgRawBuff);
}
catch (Exception err)
{
}
}
Please suggest me if I am doing something wrong, or if there is any better way to achieve this.
**Currently, I am trying to use the Isocronus endpoint to transfer frames to achieve the FPS that we required.
Please let me know if you need more information.
Thanks for the help in advance.
