On Thu Aug 3 2006 08:53:00 AM CDT, Dale Farnsworth wrote: > The recommended way of accessing GPIO registers is to mmap them > and manipulate them directly in user space.
> /* turn media led on */ > *reg_addr(p, OUTPUT_REG) &= ~MEDIA_LED_BIT; > sleep(1); > /* turn media led off */ > *reg_addr(p, OUTPUT_REG) |= MEDIA_LED_BIT; Very racy if you need different bits in the same word controlled by different programs. milton
