[BusyBox] a controller hangs - solving tips !!

[mount me]

--- mount me <linladn at yahoo.co.in> wrote: > 
Hello Experts,
> Sorry... away from the topic,,,, but you embedded
> guys should have come across the below problem.
> So,...do help this chap...... !
> 
> I have a board with ATMEL 89c51 interfaced
> with 1 MB data memory and 0.5 MB program Memory,
> a keypad and lcd interface.
> I am able to port and run a particular application 
> built using KEIL successfully in the 89c51
> controller 
> and store the data got from the user into the flash.
> 
> The software is perfect. I have many such boards
> and it runs perfectly.
> 
> But, at times
> the board/controller goes into a hanging condition
> while getting the data from the user and the data in
> 
> the flash memory is lost.
> Using our another serial port software i am able to 
> get the data stored just before the controller went 
> into the hanging condition  from the flash memory in
> 
> the board .
> 
> The same board works fine the other day
> with the same software in the same condition in
> which the board came to standstill the previous day.
> 
> I am really confused . I am unable to find or
> predict
> the moment it will go into hanging condition . I
> am unable to find the moment i will lose my data.
> It hangs at certain times if the data is low
> and at times if the data is high . 
> I am Really confused .
> 
> Has anyone come across such problem ? 
> 
> where is the problem ? y is it unpredictable like
> windows ?? Should the problem be with the software
> or with the hardware ? but most of the times the
> software works and there is no such hanging problem
> .
> But why should it hang at certain times ???
> 
> How to avoid it ?Plz do help me. 
> 
> Xpecting ur reply,
> karthik bala guru.T


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