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#include <RTL.h> /* RTX kernel functions & defines */
OS_TID tsk1; /* assigne identification for task 1 */
OS_TID tsk2; /* assigne identification for task 2 */
OS_TID tsk3; /* assigne identification for task 3 */
OS_TID tsk4; /* assigne identification for task 4 */
U16 counter1; /* counter for task 1 */
U16 counter2; /* counter for task 2 */
U16 counter3; /* counter for task 3 */
U16 counter4; /* counter for task 4 */
__task void job1 (void);
__task void job2 (void);
__task void job3 (void);
__task void job4 (void);
/*----------------------------------------------------------------------------
* Task 1: RTX Kernel starts this task with os_sys_init (job1)
*---------------------------------------------------------------------------*/
__task void job1 (void) {
os_tsk_prio_self (2); /* higher priority to preempt job3 */
tsk1 = os_tsk_self (); /* get own task identification number */
tsk2 = os_tsk_create (job2,2); /* start task 2 */
// tsk3 = os_tsk_create (job3,1); /* start task 3 */
// tsk4 = os_tsk_create (job4,1); /* start task 4 */
while (1) { /* endless loop */
counter1++; /* increment counter 1 */
os_dly_wait (50); /* wait for timeout: 5 ticks */
ToggleLED();
}
}
/*----------------------------------------------------------------------------
* Task 2 'job2': RTX Kernel starts this task with os_tsk_create (job2,2)
*---------------------------------------------------------------------------*/
__task void job2 (void) { /* higher priority to preempt job3 */
while (1) { /* endless loop */
counter2++; /* increment counter 2 */
os_dly_wait (10); /* wait for timeout: 10 ticks */
}
}
/*----------------------------------------------------------------------------
* Task 3 'job3': RTX Kernel starts this task with os_tsk_create (job3,1)
*---------------------------------------------------------------------------*/
__task void job3 (void) {
while (1) { /* endless loop */
counter3++; /* increment counter 3 */
if (counter3 == 0) { /* signal overflow of counter 3 */
os_evt_set (0x0001,tsk4); /* to task 4 */
os_tsk_pass ();
}
}
}
/*----------------------------------------------------------------------------
* Task 4 'job4': RTX Kernel starts this task with os_tsk_create (job4,1)
*---------------------------------------------------------------------------*/
__task void job4 (void) {
while (1) { /* endless loop */
os_evt_wait_or (0x0001, 0xffff); /* wait for signal event */
counter4++; /* process overflow from counter 3 */
}
}
/*----------------------------------------------------------------------------
* Main: Initialize and start RTX Kernel
*---------------------------------------------------------------------------*/
int main (void) { /* program execution starts here */
hard_init();
os_sys_init (job1); /* initialize and start task 1 */
}

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