Re: DS80C400 reentrant multi tasking function calls with Keil compiler

Hi Kris,

Many thanks for the feedback.  Following your suggestion,  I get the 
behaviour I expected/wanted. 

Cheers.

Richard

Kris Ardis wrote:

>>Am I correct in thinking that the "reentrant" keyword allows a function
>>to use the reentrant stack which "allows recursive function calls and
>>for multiple processes to call a single function simultaneously" (quoted
>>text from current Dallas startup400.a51 file)?  I have demonstrated,
>>that a reentrant function called recursively  executes correctly.
>>
>>    
>>
>
>This text in the startup is not correct and will be changed.  I don't think
>the reentrant keyword will allow multiple processes to call a function
>simultaneously with our task scheduler.
>
>  
>
>>void foo() reentrant
>>{
>>    int counter;
>>    counter = 0;
>>    while(counter++ < MAX_COUNT)
>>    {
>>       // *** DO SOMETHING ***
>>    }
>>    // Tidy up after task
>>}
>>
>>    
>>
>
>In addition to the methods suggested by Bob Heise, if your local variables
>are in 'data' space, then you should also be multi-process safe.  I think
>you could do this in this example with...
>
>  
>
>>    data int counter;
>>    
>>
>
>Kris
>
>
>
>
>
>  
>

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