Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorCheck FPGA / bridges before accessing them
I want to access the switches on the tersIC DE0-Naoo-SoC board from Linux. I load the appropriate FPGA and access the LW bridge (with a c program). Everything works fine. But if, due to eg. mis...
Altera_ForumHonored Contributor
Honored ContributorNope. The FPGA is configured sucessfully. But with the wrong rbf.
The main problem is if some setup is wrong the FPGA does not have a register at the address I access. I could figure out from my software if I get a valid result. But the whole systems hangs after an access. So I am looking for a way to check prior to accessing the address. My customers want to build a drives control system with this and they don't like that some Linux process can hang up the whole system by just accessing a wrong address.
