[Linux-parport] EPP writing address

[Tim Waugh]

On Wed, Jan 28, 2004 at 09:55:04AM +0100, Alessio PICCIOLI wrote:

> In EPP mode with ppdev module how can i dinstinguish using write command 
> between writing data and writing address ? 
> 
>  fd = fopen ( "/dev/parport0" , 0_RDWR ) ;
>  ioctl ( fd, PPCLAIM ) ;
>  int mode ;
>  mode = IEEE1284_MODE_EPP ;
>  ioctl ( fd , &mode ) ;
> 
>  /* WRITING DATA */ 
> 
>  write ( fd , const void *ptr , 1 ) ; 
> 
>  /* WRITING ADDRESS */ 

Set the IEEE1284_ADDR bit in 'mode' and set the mode again --
presumably you know you missed a PPSETMODE in the above ioctl.

Tim.
*/
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