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28 lines
730 B
C
28 lines
730 B
C
#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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void i2c_init(int sda_pin, int scl_pin);
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void i2c_freq(int freq_hz);
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void i2c_release();
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void i2c_start();
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void i2c_stop();
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void i2c_set_ack(int ack);
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int i2c_get_ack();
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uint8_t i2c_read(void);
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void i2c_write(uint8_t val);
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size_t i2c_master_read_from(int address, uint8_t* data, size_t size, bool sendStop);
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size_t i2c_master_write_to(int address, const uint8_t* data, size_t size, bool sendStop);
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// todo: implement i2c slave functions
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//
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// void i2c_slave_setAddress(uint8_t);
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// int i2c_slave_transmit(const uint8_t* data, size_t size);
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// void i2c_slave_attach_rx_callback( void (*)(uint8_t*, int) );
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// void i2c_slave_attach_tx_callback( void (*)(void) );
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#endif//I2C_H
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