[ECOS] Serial Port Configuration

[Jonathan Larmour]

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
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