/*----------------------------------------------------------------------------
* Task 2: RTX Kernel starts this task with os_tsk_create (consumer_task, 0)
*---------------------------------------------------------------------------*/
__task void consumer_task (void) {
OS_TID consumer_tskid; /* assigned identification for consumer */
consumer_tskid = os_tsk_self(); /* get it's own task ID */
T_NUM *random_num_rx;
while( msg_counter_rec < N )
{
os_mbx_wait (MsgBox, (void **)&random_num_rx, 0xffff); /* wait for the message */
os_mut_wait(g_mut_uart, 0xFFFF);
printf("[consumer_task [pid:(%d)] ]: Received %u\n", consumer_tskid, random_num_rx->number);
msg_counter_rec += 1;
os_mut_release(g_mut_uart);
if( _free_box (mpool, random_num_rx) ) /* free memory allocated for message */
{
os_mut_wait(g_mut_uart, 0xFFFF);
printf("_free_box failed because memory couldn't be freed\n");
os_mut_release(g_mut_uart);
exit(1);
}
}
//Get Time C
time_c = os_time_get();
os_mut_wait(g_mut_uart, 0xFFFF);
printf("Time to initialize system: %0.6f\n", (float)(((float)time_b - time_a)/1000000) );
printf("Time to transmit data: %0.6f\n", (float)(((float)time_c - time_b)/1000000) );
os_mut_release(g_mut_uart);
// os_dly_wait(10);
os_tsk_delete_self (); /* We are done here, delete this task */
}
void deallocate(T* p){
__disable_irq();
assert(!_free_box(pool, p)); //return 1 => error
++remaining;
__enable_irq();
}
OS_RESULT os_tsk_delete (OS_TID task_id) {
/* Terminate the task identified with "task_id". */
P_TCB task_context;
P_TCB p_TCB;
P_MUCB p_MCB, p_MCB0;
tsk_lock();
if (task_id == 0 || task_id == os_runtask->task_id) {
/* Terminate itself. */
os_runtask->state = INACTIVE;
os_stk_check (0);
p_MCB = os_runtask->p_mlnk;
while (p_MCB) {
/* Release mutexes owned by this task */
if (p_MCB->p_lnk) {
/* A task is waiting for mutex. */
p_TCB = os_get_first ((P_XCB)p_MCB);
p_TCB->ret_val = OS_R_MUT;
os_rmv_dly (p_TCB);
p_TCB->state = READY;
os_put_prio (&os_rdy, p_TCB);
/* A waiting task becomes the owner of this mutex. */
p_MCB0 = p_MCB;
p_MCB->level = 1;
p_MCB->owner = p_TCB;
p_MCB->p_mlnk = p_TCB->p_mlnk;
p_TCB->p_mlnk = p_MCB;
p_MCB = p_MCB0->p_mlnk;
}
else {
p_MCB = p_MCB->p_mlnk;
}
}
os_active_TCB[os_runtask->task_id-1] = NULL;
_free_box (mp_stk, os_runtask->stack);
os_runtask->stack = NULL;
rt_notify (os_runtask->ptask, (__FALSE << 8) | os_runtask->task_id);
_free_box (mp_tcb, os_runtask);
os_runtask = NULL;
os_dispatch (NULL);
/* The program should never come to this point. */
}
else {
/* Find the task in the "os_active_TCB" array. */
if (task_id > os_maxtaskrun || os_active_TCB[task_id-1] == NULL) {
/* Task with "task_id" not found or not started. */
tsk_unlock ();
return (OS_R_NOK);
}
task_context = os_active_TCB[task_id-1];
os_rmv_list (task_context);
os_rmv_dly (task_context);
p_MCB = task_context->p_mlnk;
while (p_MCB) {
/* Release mutexes owned by this task */
if (p_MCB->p_lnk) {
/* A task is waiting for mutex. */
p_TCB = os_get_first ((P_XCB)p_MCB);
p_TCB->ret_val = OS_R_MUT;
os_rmv_dly (p_TCB);
p_TCB->state = READY;
os_put_prio (&os_rdy, p_TCB);
/* A waiting task becomes the owner of this mutex. */
p_MCB0 = p_MCB;
p_MCB->level = 1;
p_MCB->owner = p_TCB;
p_MCB->p_mlnk = p_TCB->p_mlnk;
p_TCB->p_mlnk = p_MCB;
p_MCB = p_MCB0->p_mlnk;
}
else {
p_MCB = p_MCB->p_mlnk;
}
}
os_active_TCB[task_id-1] = NULL;
_free_box (mp_stk, task_context->stack);
task_context->stack = NULL;
rt_notify (task_context->ptask, (__FALSE << 8) | task_context->task_id);
_free_box (mp_tcb, task_context);
tsk_unlock ();
if (os_rdy_prio() > os_runtask->prio) {
/* Ready task has higher priority than running task. */
os_runtask->state = READY;
os_put_prio (&os_rdy, os_runtask);
os_dispatch (NULL);
}
}
return (OS_R_OK);
}
