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Fez1234

Need Lattice FPGA to send interrupts to linux OS on Beaglebone

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So I have the BeagleWire FPGA cape for the BeagleBone Black and I want to send interrupts from the FPGA to the linux os on the BeagleBone every time a switch on the cape . The BeagleWire consists of the Lattice iCE40HX4K FPGA. I understand this is done through GPIO and that an interrupt request line has to be set up but I need specifics and a better explanation of how to actually code this is Verilog. I'm new to FPGAs, just starting out, so any help would be appreciated. Details regarding the BeagleWire including its open source software, can be found below:

https://www.crowdsupply.com/qwerty-embedded-design/beaglewire

https://github.com/pmezydlo/BeagleWire

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Hi @Fez1234,

I have moved your thread to a different section of the Forum since Digilent does not have any Lattice based FPGA boards, so we will not be able to provide specific help to you on this; as noted on this thread, our boards use Xilinx FPGAs. Otherwise, if you are starting out I would recommend taking a look at fpga4fun and asic-world as some good resources for getting started with FPGAs and the associated HDL such as Verilog.

Thanks,
JColvin

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