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/****************************************************************************/
/* Bausatz BIN-Hourglass ver.1.0 ********************************************/
/* main.c *******************************************************************/
/* Pollin Electronic GmbH ***************************************************/
/* 85104 Pförring ***********************************************************/
/* www.pollin.de ************************************************************/
/****************************************************************************/
/* Author: Leonhard Hesse ***************************************************/
/****************************************************************************/
#define F_CPU 2000000UL
#include <avr/io.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "binTime.h"
#include "setTime.h"
volatile uint8_t tasterZaeler = 4;
volatile uint16_t clockDelay = 0;
/****************************************************************************/
/* interrupt routine user button 1 ******************************************/
/****************************************************************************/
ISR(INT0_vect) {
if (tasterZaeler >= 2) {
tasterZaeler = 1;
hour++;
clockDelay = 0;
_delay_ms(200);
}
}
/****************************************************************************/
/* interrupt routine user button 2 ******************************************/
/****************************************************************************/
ISR(INT1_vect) {
if (tasterZaeler >= 2) {
tasterZaeler = 1;
minute++;
clockDelay = 0;
_delay_ms(200);
}
}
/****************************************************************************/
/* interrupt routine for 16-Bit-Timer to count seconds **********************/
/****************************************************************************/
ISR (TIMER1_COMPA_vect) {
second++;
}
/****************************************************************************/
/* implement methods to light the LEDs for ca. 0,1 ms ***********************/
/****************************************************************************/
void showHour() {
for (int i = 0; i < 200; i++) {
hourOn();
}
hourOff();
}
void showMinute() {
for (int i = 0; i < 200; i++) {
minuteOn();
}
minuteOff();
}
void showSecond() {
for (int i = 0; i < 200; i++) {
secondOn();
}
secondOff();
}
void showTime() {
showHour();
showMinute();
showSecond();
}
/****************************************************************************/
/* implement methods to switch off the LEDs for ca. 0,1 ms ******************/
/****************************************************************************/
void hideHour() {
for (int i = 0; i < 200; i++) {
hourOff();
}
}
void hideMinute() {
for (int i = 0; i < 200; i++) {
minuteOff();
}
}
void hideSecond() {
for (int i = 0; i < 200; i++) {
secondOff();
}
}
void hideTime() {
hideHour();
hideMinute();
hideSecond();
}
int main(void) {
/************************************************************************/
/* initialize ports and external interrupts *****************************/
/************************************************************************/
DDRB |= (1 << PB0) | (1 << PB1) | (1 << PB2) | (1 << PB3) | (1 << PB4)
| (1 << PB5) | (1 << PB6) | (1 << PB7);
DDRD |= (1 << PD4) | (1 << PD5) | (1 << PD6);
DDRD &= ~((1 << PD0) | (1 << PD1));
PORTD |= (1 << PD2) | (1 << PD3);
GIMSK |= (1 << INT0) | (1 << INT1);
MCUCR |= (1 << ISC11) | (1 << ISC10);
sei();
PORTB |= (1 << PD4) | (1 << PD5) | (1 << PD6);
PORTB |= ((1 << PB0) | (1 << PB1) | (1 << PB2) | (1 << PB3) | (1 << PB4)
| (1 << PB5) | (1 << PB6) | (1 << PB7));
for (;;) {
/********************************************************************/
/* show default time for ca. 0,5s and switch off LEDs for ca. 0,5s **/
/********************************************************************/
if (tasterZaeler == 4) {
defaultTime();
for (int t = 0; t < 200; t++) {
showTime();
}
for (int t = 0; t < 200; t++) {
hideTime();
}
}
/********************************************************************/
/* start clock after 10s without user input *************************/
/* if there is an user input stop clock and reset second ************/
/********************************************************************/
if (tasterZaeler >= 1) {
if (tasterZaeler <= 2) {
clockDelay++;
second = 0;
TIMSK &= ~(1 << OCIE1A);
tasterZaeler = 2;
}
}
if (clockDelay == 4000) {
TCCR1B = ((1 << WGM12) | (1 << CS10) | (1 << CS11));
TIMSK = (1 << OCIE1A);
OCR1A = 31250;
clockDelay = 0;
tasterZaeler = 3;
}
resetTime();
setSecond();
showSecond();
resetTime();
setMinute();
showMinute();
resetTime();
setHour();
showHour();
}
}
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