/**
*
* @param timer_task_stack
* @param timer_task_stack_size
* @param idle_task_stack
* @param idle_task_stack_size
* @param app_in_cb
* @param cpu_int_en
* @param idle_user_cb
*/
void TN_NORETURN tnec_start_system(TN_UWORD *timer_task_stack,
TN_UWORD timer_task_stack_size,
TN_UWORD *idle_task_stack,
TN_UWORD idle_task_stack_size,
void (*app_in_cb)(void),
void (*cpu_int_en)(void),
void (*idle_user_cb)(void)
)
{
TN_WORD i;
/* ToDo - initialize the sys log (if enabled) */
for (i = 0; i < TN_NUM_PRIORITY; i++)
{
queue_reset(&(tn_ready_list[i]));
tn_tslice_ticks[i] = NO_TIME_SLICE;
}
queue_reset(&tn_create_queue);
tn_created_tasks_qty = 0;
tn_system_state = TN_ST_STATE_NOT_RUN;
tn_enable_switch_context = TN_TRUE;
tn_ready_to_run_bmp = 0;
tn_context_switch_request = TN_FALSE;
tn_sys_context = TN_CONTEXT_TASK;
tn_next_task_to_run = TN_NULL;
tn_curr_run_task = TN_NULL;
queue_reset(&tn_locked_mutexes_list);
queue_reset(&tn_blocked_tasks_list);
queue_reset(&tn_wait_timeout_list);
tnec_task_create((TN_TCB_S*)&tn_timer_task,
tn_timer_task_func,
0,
timer_task_stack,
timer_task_stack_size,
TN_NULL,
TN_TASK_TIMER
);
tnec_task_create((TN_TCB_S*)&tn_idle_task,
tn_idle_task_func,
(TN_NUM_PRIORITY - 1),
idle_task_stack,
idle_task_stack_size,
TN_NULL,
TN_TASK_IDLE
);
task_to_runnable(&tn_idle_task);
task_to_runnable(&tn_timer_task);
tn_curr_run_task = &tn_idle_task;
appl_init_callback = app_in_cb;
cpu_interrupt_enbl_callback = cpu_int_en;
idle_user_func_callback = idle_user_cb;
tn_start_exe();
for(;;);
/* for (;;);*/
}
//----------------------------------------------------------------------------
// TN main function (never return)
//----------------------------------------------------------------------------
void tn_start_system(void)
{
int i;
//-- Clear/set all globals (vars, lists, etc)
for(i=0;i < TN_NUM_PRIORITY;i++)
{
queue_reset(&(tn_ready_list[i]));
tn_tslice_ticks[i] = NO_TIME_SLICE;
}
queue_reset(&tn_create_queue);
tn_created_tasks_qty = 0;
tn_system_state = TN_ST_STATE_NOT_RUN;
tn_ready_to_run_bmp = 0;
tn_idle_count = 0;
tn_curr_performance = 0;
tn_next_task_to_run = NULL;
tn_curr_run_task = NULL;
//-- System tasks
queue_reset(&tn_wait_timeout_list);
//--- Timer task
tn_task_create((TN_TCB*)&tn_timer_task, //-- task TCB
tn_timer_task_func, //-- task function
0, //-- task priority
&(tn_timer_task_stack //-- task stack first addr in memory
[TN_TIMER_STACK_SIZE-1]),
TN_TIMER_STACK_SIZE, //-- task stack size (in int,not bytes)
NULL, //-- task function parameter
TN_TASK_TIMER); //-- Creation option
//--- Idle task
tn_task_create((TN_TCB*)&tn_idle_task, //-- task TCB
tn_idle_task_func, //-- task function
TN_NUM_PRIORITY-1, //-- task priority
&(tn_idle_task_stack //-- task stack first addr in memory
[TN_IDLE_STACK_SIZE-1]),
TN_IDLE_STACK_SIZE, //-- task stack size (in int,not bytes)
NULL, //-- task function parameter
TN_TASK_IDLE); //-- Creation option
//-- Activate timer & idle tasks
tn_next_task_to_run = &tn_idle_task; //-- Just for the task_to_runnable() proper op
task_to_runnable(&tn_idle_task);
task_to_runnable(&tn_timer_task);
tn_curr_run_task = &tn_idle_task; //-- otherwise it is NULL
//-- Run OS - first context switch
tn_start_exe();
}
