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CAlex's avatar
CAlex
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3 years ago

How to setup a time interrupt on de10 standard using C language

Hi, I'm a rookie of the SoCFPGA and I wanted to use it to build a FSM in HPS. I have already finished building the system design as "User Manu" said and get the hps_0.h header file out. I built my ...
CAlex's avatar
CAlex
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3 years ago

Hi,

to make sure we are on the same page,

I attached the kernel module for anyone else want to see what happened on this case.

Reguards.

CAlex's avatar
CAlex
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3 years ago

The return Error is -22

Which indicate handler is NULL(checked) or IRQ can't be used.

And when I checked the /proc/interrupts , the result is as followed:

But as the DTB on my board shows,there should be at least 3 FPGA interrupts.

When I use linux module to install the irq, it is not relay on DTB right?