i2cmst.c File Reference

#include "testmod.h"

Include dependency graph for i2cmst.c:

Classes
struct	i2cmstregs

Macros
#define	CTR_EN   (1 << 7) /* Enable core */
#define	CTR_IEN   (1 << 6) /* Interrupt enable */
#define	CR_STA   (1 << 7) /* Generate start condition */
#define	CR_STO   (1 << 6) /* Generate stop condition */
#define	CR_RD   (1 << 5) /* Read from slave */
#define	CR_WR   (1 << 4) /* Write to slave */
#define	CR_ACK
#define	CR_IACK   (1 << 0) /* Interrupt acknowledge */
#define	SR_RXACK   (1 << 7) /* Receibed acknowledge from slave */
#define	SR_BUSY   (1 << 6) /* I2C bus busy */
#define	SR_AL   (1 << 5) /* Arbitration lost */
#define	SR_TIP   (1 << 1) /* Transfer in progress */
#define	SR_IF   (1 << 0) /* Interrupt flag */
#define	PRER_RESVAL   0xffff
#define	CTR_RESVAL   0
#define	RXR_RESVAL   0
#define	SR_RESVAL   0
#define	PRESCALER   0x0003
#define	I2CMEM_ADDR   0x50
#define	TEST_DATA   0x55

Functions
int	i2cmst_test (int addr)

Macro Definition Documentation

#define CR_ACK

Value:

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

Referenced by i2cmst_test().

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

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

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

#define CTR_RESVAL   0

Referenced by i2cmst_test().

#define I2CMEM_ADDR   0x50

Referenced by i2cmst_test().

#define PRER_RESVAL   0xffff

Referenced by i2cmst_test().

#define PRESCALER   0x0003

Referenced by i2cmst_test().

#define RXR_RESVAL   0

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

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

#define SR_RESVAL   0

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

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

Referenced by i2cmst_test().

#define TEST_DATA   0x55

Referenced by i2cmst_test().

Function Documentation

int i2cmst_test

(

int

addr

)

References CR_ACK, CR_RD, CR_STA, CR_STO, CR_WR, i2cmstregs::csr, i2cmstregs::ctr, CTR_EN, CTR_RESVAL, fail, i, I2CMEM_ADDR, i2cmstregs::prer, PRER_RESVAL, PRESCALER, report_device(), report_subtest(), RXR_RESVAL, SR_AL, SR_RESVAL, SR_RXACK, SR_TIP, TEST_DATA, and i2cmstregs::xr.

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