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about PIO driver

Altera_Forum
Honored Contributor II
‎07-19-2009 07:41 AM
947 Views

I have finished uclinux with dm9000a and pio_leds.pio_switches... on de2 

now I wanna build a multi processor system on de2. 

and using pio to transfer controlling signal. 

I found there's nsc_gpio.c in...drivers/char/ 

and altera_button_pio in... drivers/char/ 

anyone has built a pio driver?
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