Hi,
I am planning to build a logic analyser using my Tiva-C launchpad. I have seen a logic analyser using the SUMP protocol but it uses the USB CDC (serail port) to transfer data.
http://www.fischl.de...aris_launchpad/
I need a better sampling rate for my GPIO. My plan is to copy the contents of GPIO data register using DMA into the USB FIFO. Then use some custome device driver in USB to transfer data to PC instead of using USB CDC class drivers.There is a similar example for STM32(but for a different application)
http://www.st.com/st.../CD00256689.pdf
How to find out the sampli