i2c.c File Reference

Architecture independent I2C (Inter-Integrated Circuit Bus) API. More...

#include "mcu_periph/i2c.h"
#include "mcu_periph/sys_time.h"

Include dependency graph for i2c.c:

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Macros
#define	USE_I2C   (USE_I2C0 || USE_I2C1 || USE_I2C2 || USE_I2C3 || USE_I2C4)
#define	USE_SOFT_I2C   (USE_SOFTI2C0 || USE_SOFTI2C1)
#define	I2C_BLOCKING_TIMEOUT   1.f
	Default timeout for blocking I2C transactions.

Functions
void	i2c_init (struct i2c_periph *p)
	Initialize I2C peripheral.
bool	i2c_transmit (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint8_t len)
	Submit a write only transaction.
bool	i2c_receive (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint16_t len)
	Submit a read only transaction.
bool	i2c_transceive (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint8_t len_w, uint16_t len_r)
	Submit a write/read transaction.
bool	i2c_blocking_transmit (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint8_t len)
	Submit a write only transaction and wait for it to complete.
bool	i2c_blocking_receive (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint16_t len)
	Submit a read only transaction and wait for it to complete.
bool	i2c_blocking_transceive (struct i2c_periph *p, struct i2c_transaction *t, uint8_t s_addr, uint8_t len_w, uint16_t len_r)
	Submit a write/read transaction and wait for it to complete.

Detailed Description

Architecture independent I2C (Inter-Integrated Circuit Bus) API.

Definition in file i2c.c.

Macro Definition Documentation

I2C_BLOCKING_TIMEOUT

#define I2C_BLOCKING_TIMEOUT   1.f

Default timeout for blocking I2C transactions.

Definition at line 234 of file i2c.c.

USE_I2C

#define USE_I2C   (USE_I2C0 || USE_I2C1 || USE_I2C2 || USE_I2C3 || USE_I2C4)

Definition at line 31 of file i2c.c.

USE_SOFT_I2C

#define USE_SOFT_I2C   (USE_SOFTI2C0 || USE_SOFTI2C1)

Definition at line 32 of file i2c.c.