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Re: printf/gets/etc not working


On Mon, Aug 16, 2010 at 11:46 PM, Ilija Kocho <ilijak@siva.com.mk> wrote:
> On 16.08.2010 19:48, Slide wrote:
>> On Mon, Aug 16, 2010 at 10:43 AM, Ilija Kocho <ilijak@siva.com.mk> wrote:
>>
>>> On 16.08.2010 19:00, Slide wrote:
>>>
>>>> On Sat, Aug 14, 2010 at 8:51 AM, Ilija Kocho <ilijak@siva.com.mk> wrote:
>>>>
>>>>
>>>>> On 14.08.2010 16:00, Slide wrote:
>>>>>
>>>>>
>>>>>> On Sat, Aug 14, 2010 at 3:44 AM, Ilija Kocho <ilijak@siva.com.mk> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Check if hardware serial ports (such as /dev/ser0) and TTY-mode devices
>>>>>>> (such as /dev/tty0) are included.
>>>>>>> In configtool:
>>>>>>> ? ?I/O sub-system -> Serial device drivers +-> Hardware serial device
>>>>>>> drivers
>>>>>>> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?+-> TTY-mode serial device
>>>>>>> drivers
>>>>>>> // Ilija
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> I do have TTY-mode devices enabled, but I thought that if I enabled
>>>>>> tty0 it would conflict with the ttydiag or the haldiag devices that
>>>>>> seem to be created.
>>>>>>
>>>>>>
>>>>>>
>>>>> In addition you can avoid usage of haldiag (ttydiag) device by setting
>>>>> "Console device name" to "/dev/tty0".
>>>>>
>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>>
>>>>>>
>>>> I did what you suggested, and enabled TTY port 0 and disabled the TTY
>>>> diagnostic device.
>>>>
>>> Did you set "Console device name" to /dev/tty0?
>>>
>>>
>>>> I see the following printed out when the target
>>>> boots:
>>>>
>>>> Init device '/dev/tty0'
>>>> Init tty channel: 0x8010f590
>>>> Init device '/dev/haldiag'
>>>>
>>>> Which is good, no more ttydiag, but printf still doesn't work. Is
>>>> there anything I can do to test if tty0 is working?
>
> You could check /dev/ser0, a low level device used by /dev/tty0.
>
>> Yes, under I/O sub-system > Serial device drivers > TTY-mode serial
>> device drivers I set "Console device name" to "/dev/tty0", I also set
>> ISO C Library > ISO C library standard input/output functions >
>> Default console device to "/dev/tty0"
>>
>> thanks,
>>
>> slide
>>
>>

Ok, I double checked by trying to call open("/dev/ser0", O_RDWR) and
it returned -1, so does an open on /dev/tty0, so something is not
connected correctly somewhere.

Thanks,

slide

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