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124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* TimeBomb/Button with uC/OS-II RTOS */
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#include "uc_ao.h" /* uC/AO API */
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#include "bsp.h"
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#include <stdbool.h>
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Q_DEFINE_THIS_MODULE("main") /* this module name for Q_ASSERT() */
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/* The TimeBomb AO =======================================================*/
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typedef struct {
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Active super; /* inherit Active base class */
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/* add private data for the AO... */
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enum {
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WAIT4BUTTON_STATE,
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BLINK_STATE,
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PAUSE_STATE,
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BOOM_STATE
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} state; /* the "state variable" */
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TimeEvent te;
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uint32_t blink_ctr;
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} TimeBomb;
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static void TimeBomb_dispatch(TimeBomb * const me, Event const * const e) {
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if (e->sig == INIT_SIG) {
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BSP_ledGreenOn();
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me->state = WAIT4BUTTON_STATE;
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}
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switch (me->state) {
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case WAIT4BUTTON_STATE: {
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switch (e->sig) {
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case BUTTON_PRESSED_SIG: {
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BSP_ledGreenOff();
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BSP_ledRedOn();
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TimeEvent_arm(&me->te, OS_TICKS_PER_SEC/2, 0U);
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me->blink_ctr = 10U;
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me->state = BLINK_STATE;
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break;
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}
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}
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break;
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}
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case BLINK_STATE: {
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switch (e->sig) {
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case TIMEOUT_SIG: {
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BSP_ledRedOff();
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TimeEvent_arm(&me->te, OS_TICKS_PER_SEC/2, 0U);
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me->state = PAUSE_STATE;
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break;
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}
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}
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break;
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}
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case PAUSE_STATE: {
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switch (e->sig) {
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case TIMEOUT_SIG: {
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--me->blink_ctr;
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if (me->blink_ctr > 0U) {
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BSP_ledRedOn();
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TimeEvent_arm(&me->te, OS_TICKS_PER_SEC/2, 0U);
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me->state = BLINK_STATE;
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}
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else {
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BSP_ledRedOn();
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BSP_ledGreenOn();
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BSP_ledBlueOn();
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me->state = BOOM_STATE;
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}
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break;
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}
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}
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break;
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}
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case BOOM_STATE: {
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break;
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}
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default: {
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Q_ASSERT(0); /* invalid state! */
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break;
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}
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}
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}
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void TimeBomb_ctor(TimeBomb * const me) {
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Active_ctor(&me->super, (DispatchHandler)&TimeBomb_dispatch);
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TimeEvent_ctor(&me->te, TIMEOUT_SIG, &me->super);
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}
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OS_STK stack_timeBomb[100]; /* task stack */
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static Event *timeBomb_queue[10];
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static TimeBomb timeBomb;
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Active *AO_TimeBomb = &timeBomb.super;
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/* the main function =========================================================*/
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int main() {
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INT8U err;
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BSP_init(); /* initialize the BSP */
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OSInit(); /* initialize uC/OS-II */
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/* create AO and start it */
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TimeBomb_ctor(&timeBomb);
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Active_start(AO_TimeBomb,
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2U,
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timeBomb_queue,
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sizeof(timeBomb_queue)/sizeof(timeBomb_queue[0]),
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stack_timeBomb,
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sizeof(stack_timeBomb),
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0U);
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BSP_start(); /* configure and start the interrupts */
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OSStart(); /* start the uC/OS-II scheduler... */
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return 0; /* NOTE: the scheduler does NOT return */
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}
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/*******************************************************************************
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* NOTE1:
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* The call to uC/OS-II API OSTaskCreateExt() assumes that the pointer to the
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* top-of-stack (ptos) is at the end of the provided stack memory. This is
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* correct only for CPUs with downward-growing stack, but must be changed for
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* CPUs with upward-growing stack.
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*/
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