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28 lines
561 B
C
28 lines
561 B
C
#include "DS3231.h"
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#include "pinout.h"
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#include <avr/io.h>
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#include "i2cmaster.h"
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void DS3231_read(uint8_t dest[3]){
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// set address to 0
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i2c_start_wait(0xD0);
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i2c_write(0x00);
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i2c_stop();
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// read addresses 0, 1 and 2
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i2c_start_wait(0xD1);
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dest[0] = i2c_readAck();
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dest[1] = i2c_readAck();
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dest[2] = i2c_readNak();
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i2c_stop();
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}
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void DS3231_write(uint8_t inbuffer[3]){
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i2c_start_wait(0xD0);
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i2c_write(0x00);
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i2c_write(inbuffer[0]);
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i2c_write(inbuffer[1]);
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i2c_write(inbuffer[2]);
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i2c_stop();
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}
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