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| Momber | Hey everyone, | 10:46 |
|---|---|---|
| Momber | I'm currently trying to build litex with working interrupts for the buttons on the arty a7 with vexriscv cpu. | 10:53 |
| Momber | When i'm adding the following code to my BaseSoc class | 10:53 |
| Momber | self.buttons = GPIOIn( | 10:53 |
| Momber | pads = platform.request_all("user_btn"), | 10:53 |
| Momber | with_irq = self.irq.enabled | 10:53 |
| Momber | ) | 10:53 |
| Momber | the csr regions get correctly created, but the interrupt lines are not created. | 10:53 |
| Momber | In my understanding, the with_irq param should autocreate the interrupts. Am I missing something obvious? | 10:53 |
| Momber | My guess is, that the add_irq() function in the _GPIOIRQ class in gpio.py is doing something different than what I expect it to do, or doesn't get called at all. | 11:00 |
| Momber | But any help pointing me in the right direction is appreciated. Thank you | 11:00 |
| geertu | Momber: Does reading the button state (without interrupts) work? | 11:04 |
| Momber | Yes, I can use the buttons_in_read function in the generated csr.h file. | 11:11 |
| Momber | What I was expecting for the interrupts, was that in the generated soc.h file I will have a interrupt define for the the buttons aswell. Currently I tried it with the standard generation script, which gives me interrupts for a timer and the uart. With the added button, the list does not get extended for the 4 buttons I would expect something like | 11:11 |
| Momber | CONFIG_CPU_INTERRUPTS 4 | 11:11 |
| Momber | And with a button defined in renode and mapped to the expected address, i get correct values for the buttons_in_read() function based on the button state | 11:13 |
| Momber | sry* CONFIG_CPU_INTERRUPTS 6 was what i meant. 1 timer + 1 uart + 4 buttons | 11:16 |
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