i2c.c File Reference

#include "testmod.h"

Include dependency graph for i2c.c:

Classes
struct	i2cslv_regs
struct	i2cmst_regs

Macros
#define	I2CSLV_SLVADDR_TBA   (1 << 31)
#define	I2CSLV_CTRL_RMOD_POS   4
#define	I2CSLV_CTRL_RMOD   (1 << 4)
#define	I2CSLV_CTRL_TMOD_POS   3
#define	I2CSLV_CTRL_TMOD   (1 << 3)
#define	I2CSLV_CTRL_TV   (1 << 2)
#define	I2CSLV_CTRL_TAV   (1 << 1)
#define	I2CSLV_CTRL_EN   (1 << 0)
#define	I2CSLV_STS_REC   (1 << 2)
#define	I2CSLV_STS_TRA   (1 << 1)
#define	I2CSLV_STS_NAK   (1 << 0)
#define	I2CSLV_MSK_RECE   (1 << 2)
#define	I2CSLV_MSK_TRAE   (1 << 1)
#define	I2CSLV_MSK_NAKE   (1 << 0)
#define	I2CMST_CTR_EN   (1 << 7) /* Enable core */
#define	I2CMST_CTR_IEN   (1 << 6) /* Interrupt enable */
#define	I2CMST_CR_STA   (1 << 7) /* Generate start condition */
#define	I2CMST_CR_STO   (1 << 6) /* Generate stop condition */
#define	I2CMST_CR_RD   (1 << 5) /* Read from slave */
#define	I2CMST_CR_WR   (1 << 4) /* Write to slave */
#define	I2CMST_CR_ACK
#define	I2CMST_CR_IACK   (1 << 0) /* Interrupt acknowledge */
#define	I2CMST_SR_RXACK   (1 << 7) /* Receibed acknowledge from slave */
#define	I2CMST_SR_BUSY   (1 << 6) /* I2C bus busy */
#define	I2CMST_SR_AL   (1 << 5) /* Arbitration lost */
#define	I2CMST_SR_TIP   (1 << 1) /* Transfer in progress */
#define	I2CMST_SR_IF   (1 << 0) /* Interrupt flag */
#define	PRESCALER   0x000A
#define	SLAVE_ADDRESS   0x33

Functions
int	i2c_test (int mstaddr, int slvaddr)

Macro Definition Documentation

#define I2CMST_CR_ACK

Value:

(1 << 3)   /* ACK, when a receiver send ACK (ACK = 0)
                                      or NACK (ACK = 1) */

Referenced by i2c_test().

#define I2CMST_CR_IACK   (1 << 0) /* Interrupt acknowledge */

#define I2CMST_CR_RD   (1 << 5) /* Read from slave */

Referenced by i2c_test().

#define I2CMST_CR_STA   (1 << 7) /* Generate start condition */

Referenced by i2c_test().

#define I2CMST_CR_STO   (1 << 6) /* Generate stop condition */

Referenced by i2c_test().

#define I2CMST_CR_WR   (1 << 4) /* Write to slave */

Referenced by i2c_test().

#define I2CMST_CTR_EN   (1 << 7) /* Enable core */

Referenced by i2c_test().

#define I2CMST_CTR_IEN   (1 << 6) /* Interrupt enable */

#define I2CMST_SR_AL   (1 << 5) /* Arbitration lost */

Referenced by i2c_test().

#define I2CMST_SR_BUSY   (1 << 6) /* I2C bus busy */

#define I2CMST_SR_IF   (1 << 0) /* Interrupt flag */

#define I2CMST_SR_RXACK   (1 << 7) /* Receibed acknowledge from slave */

Referenced by i2c_test().

#define I2CMST_SR_TIP   (1 << 1) /* Transfer in progress */

Referenced by i2c_test().

#define I2CSLV_CTRL_EN   (1 << 0)

Referenced by i2c_test().

#define I2CSLV_CTRL_RMOD   (1 << 4)

Referenced by i2c_test().

#define I2CSLV_CTRL_RMOD_POS   4

#define I2CSLV_CTRL_TAV   (1 << 1)

#define I2CSLV_CTRL_TMOD   (1 << 3)

Referenced by i2c_test().

#define I2CSLV_CTRL_TMOD_POS   3

#define I2CSLV_CTRL_TV   (1 << 2)

Referenced by i2c_test().

#define I2CSLV_MSK_NAKE   (1 << 0)

#define I2CSLV_MSK_RECE   (1 << 2)

#define I2CSLV_MSK_TRAE   (1 << 1)

#define I2CSLV_SLVADDR_TBA   (1 << 31)

#define I2CSLV_STS_NAK   (1 << 0)

#define I2CSLV_STS_REC   (1 << 2)

Referenced by i2c_test().

#define I2CSLV_STS_TRA   (1 << 1)

Referenced by i2c_test().

#define PRESCALER   0x000A

Referenced by i2c_test().

#define SLAVE_ADDRESS   0x33

Referenced by i2c_test().

Function Documentation

int i2c_test	(	int	mstaddr,
		int	slvaddr
	)

References i2cmst_regs::csr, i2cmst_regs::ctr, i2cslv_regs::ctrl, fail, i, I2CMST_CR_ACK, I2CMST_CR_RD, I2CMST_CR_STA, I2CMST_CR_STO, I2CMST_CR_WR, I2CMST_CTR_EN, I2CMST_SR_AL, I2CMST_SR_RXACK, I2CMST_SR_TIP, I2CSLV_CTRL_EN, I2CSLV_CTRL_RMOD, I2CSLV_CTRL_TMOD, I2CSLV_CTRL_TV, I2CSLV_STS_REC, I2CSLV_STS_TRA, i2cslv_regs::msk, i2cmst_regs::prer, PRESCALER, i2cslv_regs::rd, report_device(), report_subtest(), SLAVE_ADDRESS, i2cslv_regs::slvaddr, i2cslv_regs::sts, i2cslv_regs::td, and i2cmst_regs::xr.

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