49 lines
791 B
C
49 lines
791 B
C
/*
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* timer.c
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*
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* Created on: May 31, 2017
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* Author: wn
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*/
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#include "timer.h"
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#include "display.h"
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#include "alarm.h"
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extern tDisplay display;
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void startTimer() {
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display.timerState = STARTED;
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}
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void stopTimer() {
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display.timerState = IDLE;
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}
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void secondTick(void *handle) {
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tDisplay *lDisplay = (tDisplay*) handle;
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switch (lDisplay->timerState) {
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case STARTED:
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lDisplay->currentTime = lDisplay->targetTime;
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lDisplay->overrunTime = 0;
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lDisplay->timerState = RUNNING;
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break;
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case RUNNING:
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lDisplay->currentTime -= 1;
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if (lDisplay->currentTime == 0) {
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enableAlarm();
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lDisplay->timerState = OVERRUN;
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}
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break;
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case OVERRUN:
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lDisplay->overrunTime += 1;
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break;
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case IDLE:
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;
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break;
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default:
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;
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}
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}
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