37 lines
532 B
C
37 lines
532 B
C
#include <avr/io.h>
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#include <avr/interrupt.h>
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#include "ptimer.h"
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#include "i2c.h"
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#include "rtc.h"
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#include "led.h"
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#define I2C_BITRATE 100000UL // 100kHz
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#define RTC_I2C_ADDR 0xA2
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int main()
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{
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ptimer_init();
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i2c_init(I2C_BITRATE);
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rtc_int0_init();
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led_init();
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sei();
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led_hour = 0;
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led_minute = 0;
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led_second = 0;
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while(1)
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{
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}
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}
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ISR(INT0_vect)
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{
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struct time curr_time = rtc_read_time(RTC_I2C_ADDR);
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led_hour = curr_time.hour;
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led_minute = curr_time.minute;
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led_second = curr_time.second;
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} |