OSA : OS_Flag_Check_AllOff

bool OS_Flag_Check_AllOff (flags, mask)
bool OS_Flag_Check_AllOff_I (flags, mask)

Check if all mask bits in flags are cleared.

Call allowed:

Everywhere

Parameters:

flags Variable of OST_FLAGx (x = 8, 16, 32) type
mask Bit mask to operate on

Returns:

false flags & mask != 0
true flags & mask == 0

Example:

OST_FLAG flag;
 
void Task (void)
{
    for (;;) {
        /*...*/
        OS_Flag_Check_AllOff (flag, 3); // check bits 0 and 1 are cleared
        /*...*/
    }
}

Old style name

OS_CheckAllFlagClear

OS_Flag_Check_AllOff

See also

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