how to set i/O

hi wbqyy,

The PIO has a direction register where you can define if its a in- or output. For accessing the PIO registers there are some macros from Altera. Take a look at this thread:

http://forum.niosforum.com/forum/index.php...pic=2978&hl=pio (http://forum.niosforum.com/forum/index.php?showtopic=2978&hl=pio)

regards

revolt

--- Quote Start ---

originally posted by wbqyy@Dec 14 2005, 08:12 PM

i have set one i/o pin to bidirectional(tri-state) i/o port,and finished the hardware compile.

but in the nios ii ide ,how to set the bidirectional(tri-state) i/o port to out por.what should i write in the programme?

thanks!

<div align='right'><{post_snapback}> (index.php?act=findpost&pid=11542)

--- quote end ---

--- Quote End ---

thanks

but i still have a few question

ihave write it with a new topic