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OSA : OS_Stimer_Found

bool OS_Stimer_Found ()

Not allowed in interruptService uses system timer

Check if there is at least one unused static timer.

Number of static timers OS_STIMERS (1..32) must be specified in OSAcfg.h. Size of static timers is set by OS_STIMER_SIZE constant

Constant OS_STIMERS_ENABLE_ALLOCATION should be defined in OSAcfg.h

Call allowed:

Not in interrupt

Parameters:

no

Returns:

false there are no free static timers
true there is at least one free static timer

Example:

void Task (void)
{
    static unsigned char stimer_id;
    for (;;) {
        /*...*/
        OS_Wait(OS_Stimer_Found());    // Wait for free timer
        OS_Stimer_Alloc(stimer_id);    // Allocate it for use
        OS_Stimer_Run(stimer_id, 100); // Now we use static timer through variable
 
        do {
           // ...
        } while (!OS_Stimer_Check(stimer_id));
 
        OS_Stimer_Free(stimer_id);    // Make timer free
        /*...*/
    }
}

See also

 
en/osa/ref/allservices/os_stimer_found.txt · Last modified: 07.10.2010 13:57 (external edit)
 
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