2008-05-08 12:19:28     key driver problem

Document created by Aaronwu Employee on Aug 6, 2013
Version 1Show Document
  • View in full screen mode

2008-05-08 12:19:28     key driver problem

hong li (CHINA)

Message: 55649   

 

Hi everyone

 

   I want to write a key driver on ezkit 533 , the ezkit 533 has install uclinux,  the key is sw4 , it  connect  to pf8 , I have set the register FIO_INEN,FIO_DIR,FIO_EDGE,FIO_MASKA_D.

 

   I need to set the register SIC_IMASK,SIC_IAR0,SIC_IAR1,SIC_IAR2 ?

 

Thanks

 

Hong

QuoteReplyEditDelete

 

 

2008-05-08 13:47:43     Re: key driver problem

Mike Frysinger (UNITED STATES)

Message: 55650   

 

you should not be acccessing MMRs directly.  please review the documentation for how to properly work with GPIOs in Linux:

http://docs.blackfin.uclinux.org/doku.php?id=gpio

http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:interrupts

QuoteReplyEditDelete

 

 

2008-05-08 22:09:43     Re: key driver problem

hong li (CHINA)

Message: 55654   

 

Miker

 

         Thanks your help

 

Hong

Attachments

    Outcomes