Aug 20, 2019
12:00 AM
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Aug 20, 2019
12:00 AM
Hi,
I am working on a project about fx3 recently.FPGA generates interrupt signal to FX3 through GPIO.Fx3 receives the interrupt signal and then reads the register of FPGA.I don't know much about FX3.What should I modify about GPIO based on the AN65974?
Thanks,
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Aug 20, 2019
05:13 AM
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Aug 20, 2019
05:13 AM
Hi,
Please refer to the firmware example found at C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1.3\firmware\serialif_examples\cyfxgpioapp
The above example can be used as a base to configure a gpio as an interrupt and define a call back function to handle it.
You will need to define the code for the required function( read register of FPGA) in the callback function.
Regards,
Yashwant
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