Hi,
This mail is a reply to the [rtl] floating point of yesterday evening (for
me!).
I regret then saying that a fp problem, It look more as a fifo problem.
I agree with Pavel, if I change the rtf6 to the rtf1, everithing look
working... I must now understand why my rtf6 is not working! Can it be
corroded?... all others fifo works.
If I look on the /dev directory, I can see rtf0 to rtf7. I am not sure but
I mean then we can create fifo (limited at 128 by a define on the source).
I don't know how. Can you send me the method.
Thanks a lot,
Stephane
A 10:25 00-04-12 +0200, vous avez écrit :
>Dear Sylvain and Stephane,
>
>> Like Dave and Chuck, we have some problems with the floating point.
>>
>> We do very simple test program like three operations in floating point in a
>> rt-thread and the computer jam or reboot or freeze.
>>
>> I have add a very very simple and small test program in attach. Carefully,
>> this program freeze the computer. If we change the operation for int, all
>> run well. If we change the order of operation, the program can run... but
>> the same operation in an other order crash the computer.
>>
>> My code is very simple, we can have make a error but, I mean this is
more fp.
>>
>
>I've played with your code for a while, it really crashed my computer
>but NOT due to floating point. The trouble was my computer does not have
>
>/dev/rtf6
>
>After all fifo operations were re-directed to /dev/rtf0, your test start
>to work. My guess is you have to do the same. If not, let me know to learn
>something :-) Another possible cause of trouble (less probable) is that
>I don't use SMP (one Pentium only in my box). The best way to avoid this
>kind of trouble is always to check return value of RTL functions.
>
>Have a nice day.
>
>pa
>--
>..........................................................................
>Pavel Andris | tel: +421 7 5941 2167
>Institute of Control Theory and Robotics | fax: +421 7 5477 6045
>Slovak Academy of Sciences |
>Dubravska cesta 9 | e-mail: [EMAIL PROTECTED]
>SK - 842 37 Bratislava |
>Slovakia |
>..........................................................................
>
>
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