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Wire library with i2c master support

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This commit is contained in:
Ivan Grokhotkov
2014-12-09 10:11:42 +03:00
parent d754597ec3
commit 2521c1e907
9 changed files with 1433 additions and 0 deletions
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27
libraries/Wire/utility/i2c.h Normal file
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#ifndef I2C_H
#define I2C_H
#include <stdint.h>
void i2c_init(int sda_pin, int scl_pin);
void i2c_freq(int freq_hz);
void i2c_release();
void i2c_start();
void i2c_stop();
void i2c_set_ack(int ack);
int i2c_get_ack();
uint8_t i2c_read(void);
void i2c_write(uint8_t val);
size_t i2c_master_read_from(int address, uint8_t* data, size_t size, bool sendStop);
size_t i2c_master_write_to(int address, const uint8_t* data, size_t size, bool sendStop);
// todo: implement i2c slave functions
//
// void i2c_slave_setAddress(uint8_t);
// int i2c_slave_transmit(const uint8_t* data, size_t size);
// void i2c_slave_attach_rx_callback( void (*)(uint8_t*, int) );
// void i2c_slave_attach_tx_callback( void (*)(void) );
#endif//I2C_H