[ECOS] Problem with serial setup

Gary D. Thomas gary.thomas@mind.be
Tue May 13 13:09:00 GMT 2003


On Tue, 2003-05-13 at 03:30, Daniel Lidsten wrote:
> Hi,
> 
> > > I am trying to use the same serial port for both printf and 
> > > diag_printf but there seem to be some problem. Is there 
> > someone that 
> > > use the same port for both an interrupt driven serial driver and a 
> > > diag version at the same time?
> > > 
> > 
> > Yes, I have done this successfully on the PowerPC (QUICC) 
> > hardware that you are using.  Be sure and get up-to-date 
> > sources, as I fixed a bug in the HAL/QUICC serial serial 
> > drivers about a month ago.
> 
> I now have two serial channels (diag and printf) working on the same HW
> port but when i want to change the diag to use SMC2 instead of SMC1 then
> i hang in the quicc_smc1.c putc function because a BD flag indicates
> busy:
> 
> while (bd->ctrl & QUICC_BD_CTL_Ready)
> 
> The only change i have done in ConfigTool is to change the "Diagnostic
> Serial Port" from 0 to 1. Is there any other location that i need to
> change to make this work?
> 

Do you have RedBoot running on this platform?  If so, does it use
the second port (SMC2) properly?

-- 
Gary D. Thomas <gary.thomas@mind.be>


-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss



More information about the Ecos-discuss mailing list