Re: [ECOS] Serial Port Configuration

["Ali Rodgo" <alirodgo at web dot de>]

Thanks again,
now it seems to work The problem was that i had enabled the both serial drivers,ser0 and ser1 and the app got lost.
Ok thanks for your help

I hope that no more problems will come but.....:-(



Jonathan Larmour <jifl@eCosCentric.com> schrieb am 18.02.04 10:53:15:
> 
> Ali Rodgo wrote:
> >>>
> >>>My code: main() { struct termios newser1; fd1=open("/dev/ser1", O_RDWR |
> >>>IO_NOCTTY | O_NONBLOCK) ..... while(1) read(fd1,&data,1); ....... } My
> >>>eCos configuration: Posix, serial driver package 
> >>>CYGPK_IO_SERIAL_TERMIOS0_DEV=/dev/ser0 
> >>>CYGPK_IO_SERIAL_TERMIOS1_DEV=/dev/ser1
> >>>
> >>>CYGPG_IO_SERIAL_ARM_AT91_SERIAL0=enable 
> >>>CYGPG_IO_SERIAL_ARM_AT91_SERIAL1=enable
> >>
> >>Are you also debugging on one of the serial ports? Given none of the AT91 
> >>eval boards we have ports for include ethernet debug, then I imagine the 
> >>answer is yes. If a port is being used for GDB traffic, you can't run a 
> >>serial driver on it.
> > 
> > 
> > Yes I am using GDB (Insight)  for debugging on serial Port A(ser0) but the AT91EB40A has other serial port B (ser1)  and on this serial port i want to read bytes sent from a Host, the code is above described. But why doesn't my programm enter in main() function?
> 
> What it means is that you shouldn't install a driver on ser0 because you 
> are using that port for GDB. Only install one on ser1. Did you enable 
> CYGPKG_IO_SERIAL_DEVICES by the way? And CYGPKG_IO_SERIAL_TERMIOS?
> 
> > Is there information about ethernet debugging on the AT91EB40A? 
> 
> The EB40A doesn't have ethernet (which was my point :-)).
> 
> Jifl
> -- 
> eCosCentric    http://www.eCosCentric.com/    The eCos and RedBoot experts
> Visit us at Embedded World 2004, Nürnberg, Germany, 17-19 Feb, Stand 12-449
> --["No sense being pessimistic, it wouldn't work anyway"]-- Opinions==mine
> 


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