Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

Data Transfer from FPGA-to-HPS

Hi, I am very new to the Altera FPGA suite (and FPGAs in general), and was looking to get some advice on how to transfer data from the FPGA to the HPS. I've done fair amount of research, but I ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

--- Quote Start ---

Make sure that you have mm_bridge_0_s0_byteenable set to all 1's.

If that does not help, make sure that you have the right preloader in the HPS.

--- Quote End ---

Thanks eugene, I didn't have the byteenable set, so that's one issue. Also this may be a stupid question, but when do you need to remake the preloader and uboot? Everytime you change anything in your Quartus project? Or only when you change something in Qsys? Thanks