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16 lines
303 B
C
16 lines
303 B
C
#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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#define TWI_FREQ 400000UL // 400 kHz
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// #define TWI_FREQ 100000UL // 400 kHz
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void i2c_init(void);
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uint8_t i2c_start(uint8_t address);
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void i2c_stop(void);
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uint8_t i2c_write(uint8_t data);
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uint8_t i2c_read_ack(void);
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uint8_t i2c_read_nack(void);
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#endif |