hal_i2c.h File Reference

I2C Driver macros and structures. More...

#include "hal_i2c_lld.h"

Go to the source code of this file.

Macros
#define	I2C_USE_MUTUAL_EXCLUSION   TRUE
	Enables the mutual exclusion APIs on the I2C bus. More...
#define	_i2c_wakeup_isr(i2cp)
	Wakes up the waiting thread notifying no errors. More...
#define	_i2c_wakeup_error_isr(i2cp)
	Wakes up the waiting thread notifying errors. More...
#define	i2cMasterTransmit(i2cp, addr, txbuf, txbytes, rxbuf, rxbytes)
	Wrap i2cMasterTransmitTimeout function with TIME_INFINITE timeout. More...
#define	i2cMasterReceive(i2cp, addr, rxbuf, rxbytes)   (i2cMasterReceiveTimeout(i2cp, addr, rxbuf, rxbytes, TIME_INFINITE))
	Wrap i2cMasterReceiveTimeout function with TIME_INFINITE timeout. More...
I2C bus error conditions
#define	I2C_NO_ERROR   0x00
	No error. More...
#define	I2C_BUS_ERROR   0x01
	Bus Error. More...
#define	I2C_ARBITRATION_LOST   0x02
	Arbitration Lost. More...
#define	I2C_ACK_FAILURE   0x04
	Acknowledge Failure. More...
#define	I2C_OVERRUN   0x08
	Overrun/Underrun. More...
#define	I2C_PEC_ERROR   0x10
	PEC Error in reception. More...
#define	I2C_TIMEOUT   0x20
	Hardware timeout. More...
#define	I2C_SMB_ALERT   0x40
	SMBus Alert. More...

Enumerations

Functions
void	i2cInit (void)
	I2C Driver initialization. More...
void	i2cObjectInit (I2CDriver *i2cp)
	Initializes the standard part of a I2CDriver structure. More...
void	i2cStart (I2CDriver *i2cp, const I2CConfig *config)
	Configures and activates the I2C peripheral. More...
void	i2cStop (I2CDriver *i2cp)
	Deactivates the I2C peripheral. More...
i2cflags_t	i2cGetErrors (I2CDriver *i2cp)
	Returns the errors mask associated to the previous operation. More...
msg_t	i2cMasterTransmitTimeout (I2CDriver *i2cp, i2caddr_t addr, const uint8_t *txbuf, size_t txbytes, uint8_t *rxbuf, size_t rxbytes, sysinterval_t timeout)
	Sends data via the I2C bus. More...
msg_t	i2cMasterReceiveTimeout (I2CDriver *i2cp, i2caddr_t addr, uint8_t *rxbuf, size_t rxbytes, sysinterval_t timeout)
	Receives data from the I2C bus. More...
void	i2cAcquireBus (I2CDriver *i2cp)
	Gains exclusive access to the I2C bus. More...
void	i2cReleaseBus (I2CDriver *i2cp)
	Releases exclusive access to the I2C bus. More...

Detailed Description

I2C Driver macros and structures.

Definition in file hal_i2c.h.