diff options
Diffstat (limited to 'main.c.c')
| -rw-r--r-- | main.c.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/main.c.c b/main.c.c new file mode 100644 index 0000000..9ab0d74 --- /dev/null +++ b/main.c.c @@ -0,0 +1,174 @@ +/****************************************************************************/ +/* 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(); + } +} |