void Scheduler(void)
{
    for(;;)
    {
        Task1();
        .
        .
    }
}


void Delay(int Milliseconds)
{
    Start = TIMER_VALUE;
    while ((TIMER_VALUE – Start) < Milliseconds)
    {
        /*Wait*/ 
    }
}

void Task1(void)
{
    if (IO_PORT_TRIGGER == 1)
    {
        IO_PORT_DRIVE = 1;
        Delay(200);
        IO_PORT_DRIVE = 0;
    }
}