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Attach the error pin to a pio register instead of an interrupt.
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I'm confused.. But I'm new to fpga and nios too so I think it's not so strange.. :cool:
By the way.. I have attached the interrupt pin to the PIO core and set the PIO as:
width : 1bit
direction : input only
Edge capture reg
synchronously capture : yes
rising edge :yes
generate irq : yes
edge : yes
Now I have created a global variable:
my_interrupt_event_variable. Its value is set to 1 only one the
handle_my_interrupt(...) is executed
So in my main function I keep checking the value of
my_interrupt_event_variable. If
my_interrupt_event_variable==1 then i run the code I need to when an interrupt event happens, and after I set
my_interrupt_event_variable=0.
I would prefer not to use a global variable but use a local main() variable passed by reference to
handle_my_interrupt. In this case I've noticed that the compiler return me this warning (as mantioned before):
warning: passing argument 3 of alt_ic_isr_register from incompatible pointer type Any suggestion?
Thank you so much !
Honored Contributor
