20 lines
372 B
C
20 lines
372 B
C
#ifndef I2C_H
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#define I2C_H
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#include <avr/io.h>
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#include <util/twi.h>
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#include "lib/mystd.h"
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#define I2C_CLOCK 400000UL
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#define I2C_ADDR(ADDR, RW) ((ADDR) << 1 | (RW & 1))
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void i2c_init(void);
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t_error i2c_start(void);
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t_error i2c_stop(void);
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t_error i2c_write(uint8_t);
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t_error i2c_read_nack(uint8_t* out);
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t_error i2c_read_ack(uint8_t* out);
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#endif /* I2C_H */
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