void DBNC_Process(DBNC_FSMData *data) {
DBNC_KeySet keys;
for(;;) { /* for loop, will return */
switch(data->state) {
case DBNC_KEY_IDLE: /* idle, and now getting a key */
data->scanValue = data->getKeys();
data->longKeyCnt = 1; /* zero is a special value */
data->state = DBNC_KEY_PRESSED; /* advance to next state */
(void)TRG_SetTrigger(data->trigger, data->debounceTicks, (TRG_Callback)DBNC_Process, (void*)data);
return;
case DBNC_KEY_PRESSED:
keys = data->getKeys();
if (keys==data->scanValue) { /* still pressing the same keys */
/*! \todo See how it checks long or short press */
if (data->longKeyCnt>=data->longKeyTicks) {
/* yes, long key press detected */
data->longKeyCnt=0; /* zero is a special value to prevent counting */
data->onDebounceEvent(DBNC_EVENT_LONG_PRESSED, data->scanValue);
} else if (data->longKeyCnt>0) { /* zero is a special value to prevent counting */
data->longKeyCnt += data->debounceTicks; /* increment loop counter */
}
(void)TRG_SetTrigger(data->trigger, data->debounceTicks, (TRG_Callback)DBNC_Process, (void*)data); /* continue waiting */
return;
} else if (keys==0) { /* all keys are released */
if (data->longKeyCnt!=0) { /* zero means we already issued the long button press message */
data->onDebounceEvent(DBNC_EVENT_PRESSED, data->scanValue); /* we have a key press: call event handler */
}
data->state = DBNC_KEY_RELEASE; /* advance to next state */
(void)TRG_SetTrigger(data->trigger, data->debounceTicks, (TRG_Callback)DBNC_Process, (void*)data);
return;
} else { /* we got another key set pressed */
/*! \todo Here it goes to the next state */
data->state = DBNC_KEY_RELEASE;
}
break;
case DBNC_KEY_RELEASE: /* wait until keys are released */
keys = data->getKeys();
if (keys==0) { /* all keys released, go back to idle state. */
data->onDebounceEvent(DBNC_EVENT_RELEASED, data->scanValue);
data->state = DBNC_KEY_IDLE; /* go back to idle */
data->onDebounceEvent(DBNC_EVENT_END, data->scanValue); /* callback at the end of debouncing. */
return;
} else { /* continue waiting */
/* create events for the delta */
data->onDebounceEvent(DBNC_EVENT_RELEASED, (uint8_t)(data->scanValue&(~keys)));
data->scanValue = keys;
data->longKeyCnt = 1; /* zero is a special value */
data->state = DBNC_KEY_PRESSED;
}
break;
} /* switch */
} /* for */
}
uint8_t BUZ_PlayTune(BUZ_Tunes tune) {
if (tune>=BUZ_TUNE_NOF_TUNES) {
return ERR_OVERFLOW;
}
BUZ_Melodies[tune].idx = 0; /* reset index */
return TRG_SetTrigger(TRG_BUZ_TUNE, 0, BUZ_Play, (void*)&BUZ_Melodies[tune]);
}
static void BUZ_Play(void *dataPtr) {
int idx = (int)dataPtr;
BUZ_Beep(Melody[idx].freq, Melody[idx].ms);
idx++;
if (idx<(sizeof(Melody)/sizeof(Melody[0]))) {
TRG_SetTrigger(TRG_BUZ_TUNE, Melody[idx-1].ms/TRG_TICKS_MS, BUZ_Play, (void*)idx);
}
}
static void BUZ_Play(void *dataPtr) {
MelodyDesc *melody = (MelodyDesc*)dataPtr;
BUZ_Beep(melody->melody[melody->idx].freq, melody->melody[melody->idx].ms);
melody->idx++;
if (melody->idx<melody->maxIdx) {
TRG_SetTrigger(TRG_BUZ_TUNE, melody->melody[melody->idx-1].ms/TRG_TICKS_MS, BUZ_Play, (void*)melody);
}
}
uint8_t BUZ_Beep(uint16_t freq, uint16_t durationMs) {/*freq max 500Hz*/
if (trgInfo.buzIterationCntr==0) { /* only if buzzer is not running right now */
BUZ1_SetVal(); /* turn buzzer on */
trgInfo.buzPeriodTicks = (500*TRG_TICKS_MS)/freq; //500 because 1000/2
trgInfo.buzIterationCntr = durationMs/TRG_TICKS_MS/trgInfo.buzPeriodTicks;
return TRG_SetTrigger(TRG_BUZ_BEEP, trgInfo.buzPeriodTicks, &BUZ_Toggle, (void*)&trgInfo);
} else {
return ERR_BUSY;
}
}
uint8_t BUZ_Beep(uint16_t freq, uint16_t durationMs) {
if (trgInfo.buzIterationCntr==0) { /* only if buzzer is not running right now */
BUZ1_SetVal(); /* turn buzzer on */
trgInfo.buzPeriodTicks = (1000/(TRG_TICKS_MS*freq));
trgInfo.buzIterationCntr = durationMs/TRG_TICKS_MS/trgInfo.buzPeriodTicks;
return TRG_SetTrigger(TRG_BUZ_BEEP, trgInfo.buzPeriodTicks, BUZ_Toggle, (void*)&trgInfo);
} else {
return ERR_BUSY;
}
}
static void BUZ_Toggle(void *dataPtr) {
BUZ_TrgInfo *trgInfo = (BUZ_TrgInfo *)dataPtr;
if (trgInfo->buzIterationCntr==0) {
BUZ1_ClrVal(); /* turn buzzer off */
} else {
trgInfo->buzIterationCntr--;
BUZ1_NegVal();
(void)TRG_SetTrigger(TRG_BUZ_BEEP, trgInfo->buzPeriodTicks, &BUZ_Toggle, trgInfo);
}
}
void heartBeat(TRG_CallBackDataPtr data)
{
TRG_SetTrigger(TRG_HEARTBEAT, 500, &heartBeat, NULL);
Led_Toggle(led1);
Led_Toggle(led2);
}
uint8_t BUZ_PlayTune(void) {
return TRG_SetTrigger(TRG_BUZ_TUNE, 1, BUZ_Play, (void*)0);
}
void BUTTON_BLUE_OnInterrupt(void)
{
Events_fireEvent(BUTTON_BLUE_PRESSED);
TRG_SetTrigger(TRG_BLUE_BUTTON_PRESSED, 100, blueButtonCallback, 0);
}
