GPIF Thread and Sockets | Cypress Semiconductor
GPIF Thread and Sockets
I have a board with an FX3 connected to an FPGA where the GPIF is the synchronous master mode. I am not planning on using any address lines so I'm kind of confused about how to use threads and sockets. My main goal is to read several USB3 packets worth of data at a time from the GPIF using IN_DATA and send them over USB. Is it alright if I only use one thread, and one consumer and one producer socket? Is there an advantage to use more threads and sockets?
Looking at the slfifosync example, I see that PIB_SOCKET_0 was selected as the producer and PIB_SOCKET_3 was selected as the consumer. I'm actually pretty uncertain about threads and sockets, even though I've read all of the documentation in the FX3API guide, watched the video tutorials, and read the appnotes.
What exactly are DMA threads? Are these the same threads that are created by the C API function, CyU3PThreadCreate()? When would you use multiple threads and why? And when would you use multiple sockets and why?
What physical meaning do these thread and socket numbers have, do they come from what is placed on the bus during an IN_ADDR action?