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27 lines
460 B
C
27 lines
460 B
C
/*
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* i2c.h
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*
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* Created: 20.01.2018 12:51:11
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* Author: Ulrich
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*/
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#ifndef I2C_H_
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#define I2C_H_
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#include <avr/io.h>
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#include <util/delay.h>
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//I2C
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#define SDA_PIN PC4 //PIN am Atmel
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#define SCL_PIN PC5 //PIN am Atmel
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#define I2C_PORT PORTC //PORT am Atmel
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#define SCL_CLOCK 40000UL
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void i2c_init(void);
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uint8_t i2c_start (uint8_t);
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uint8_t i2c_byte (uint8_t);
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uint8_t i2c_readNak(void);
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void i2c_stop (void);
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#endif /* I2C_H_ */
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