uart vs sio differences ?

Marcel Moolenaar xcllnt at mac.com
Tue Dec 9 18:13:32 UTC 2008


On Dec 9, 2008, at 9:14 AM, Scott Long wrote:

> That aside, I think what needs to happen is for the driver to use the
> interrupt handler to pull the bytes out of the hardware and into an
> internal lockless ring buffer, then schedule the swi to process the  
> ring
> buffer.

The uart(4) driver is exactly doing what you describe.

-- 
Marcel Moolenaar
xcllnt at mac.com





More information about the freebsd-current mailing list