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158 lines
4.0 KiB
C

/* TimeBomb/Button with uC/OS-II RTOS */
#include "uc_ao.h" /* uC/AO API */
#include "bsp.h"
#include <stdbool.h>
Q_DEFINE_THIS_MODULE("main") /* this module name for Q_ASSERT() */
/* The TimeBomb AO =======================================================*/
typedef struct TimeBomb TimeBomb;
struct TimeBomb {
Active super; /* inherit Active base class */
/* add private data for the AO... */
TimeEvent te;
uint32_t blink_ctr;
};
State TimeBomb_initial(TimeBomb * const me, Event const * const e);
State TimeBomb_wait4button(TimeBomb * const me, Event const * const e);
State TimeBomb_blink(TimeBomb * const me, Event const * const e);
State TimeBomb_pause(TimeBomb * const me, Event const * const e);
State TimeBomb_boom(TimeBomb * const me, Event const * const e);
State TimeBomb_initial(TimeBomb * const me, Event const * const e) {
return TRAN(TimeBomb_wait4button);
}
State TimeBomb_wait4button(TimeBomb * const me, Event const * const e) {
State status;
switch (e->sig) {
case ENTRY_SIG: {
BSP_ledGreenOn();
status = HANDLED_STATUS;
break;
}
case EXIT_SIG: {
BSP_ledGreenOff();
status = HANDLED_STATUS;
break;
}
case BUTTON_PRESSED_SIG: {
me->blink_ctr = 5U;
status = TRAN(TimeBomb_blink);
break;
}
default: {
status = IGNORED_STATUS;
break;
}
}
return status;
}
State TimeBomb_blink(TimeBomb * const me, Event const * const e) {
State status;
switch (e->sig) {
case ENTRY_SIG: {
BSP_ledRedOn();
TimeEvent_arm(&me->te, OS_TICKS_PER_SEC/2, 0U);
status = HANDLED_STATUS;
break;
}
case EXIT_SIG: {
BSP_ledRedOff();
status = HANDLED_STATUS;
break;
}
case TIMEOUT_SIG: {
status = TRAN(TimeBomb_pause);
break;
}
default: {
status = IGNORED_STATUS;
break;
}
}
return status;
}
State TimeBomb_pause(TimeBomb * const me, Event const * const e) {
State status;
switch (e->sig) {
case ENTRY_SIG: {
TimeEvent_arm(&me->te, OS_TICKS_PER_SEC/2, 0U);
status = HANDLED_STATUS;
break;
}
case TIMEOUT_SIG: {
--me->blink_ctr;
if (me->blink_ctr > 0U) {
status = TRAN(TimeBomb_blink);
}
else {
status = TRAN(TimeBomb_boom);
}
break;
}
default: {
status = IGNORED_STATUS;
break;
}
}
return status;
}
State TimeBomb_boom(TimeBomb * const me, Event const * const e) {
State status;
switch (e->sig) {
case ENTRY_SIG: {
BSP_ledRedOn();
BSP_ledGreenOn();
BSP_ledBlueOn();
status = HANDLED_STATUS;
break;
}
default: {
status = IGNORED_STATUS;
break;
}
}
return status;
}
void TimeBomb_ctor(TimeBomb * const me) {
Active_ctor(&me->super, (StateHandler)&TimeBomb_initial);
TimeEvent_ctor(&me->te, TIMEOUT_SIG, &me->super);
}
OS_STK stack_timeBomb[100]; /* task stack */
static Event *timeBomb_queue[10];
static TimeBomb timeBomb;
Active *AO_TimeBomb = &timeBomb.super;
/* the main function =========================================================*/
int main() {
INT8U err;
BSP_init(); /* initialize the BSP */
OSInit(); /* initialize uC/OS-II */
/* create AO and start it */
TimeBomb_ctor(&timeBomb);
Active_start(AO_TimeBomb,
2U,
timeBomb_queue,
sizeof(timeBomb_queue)/sizeof(timeBomb_queue[0]),
stack_timeBomb,
sizeof(stack_timeBomb),
0U);
BSP_start(); /* configure and start the interrupts */
OSStart(); /* start the uC/OS-II scheduler... */
return 0; /* NOTE: the scheduler does NOT return */
}