#include "sys_config.h"
#include "cmsis.h"

Go to the source code of this file.

Data Structures
struct	IP_I2C_001_T
	I2C register block structure. More...

struct	I2C_XFER_T
	Master transfer data structure definitions. More...

Macros
#define	RET_SLAVE_TX 6
	Return values for SLAVE handler.

#define	RET_SLAVE_RX 5

#define	RET_SLAVE_IDLE 2

#define	RET_SLAVE_BUSY 0

#define	I2C_STA_STO_RECV 0x20
	I2C state handle return values.

#define	I2C_I2CONSET_AA ((0x04))

#define	I2C_I2CONSET_SI ((0x08))

#define	I2C_I2CONSET_STO ((0x10))

#define	I2C_I2CONSET_STA ((0x20))

#define	I2C_I2CONSET_I2EN ((0x40))

#define	I2C_I2CONCLR_AAC ((1 << 2))

#define	I2C_I2CONCLR_SIC ((1 << 3))

#define	I2C_I2CONCLR_STOC ((1 << 4))

#define	I2C_I2CONCLR_STAC ((1 << 5))

#define	I2C_I2CONCLR_I2ENC ((1 << 6))

#define	I2C_CON_AA (1UL << 2)

#define	I2C_CON_SI (1UL << 3)

#define	I2C_CON_STO (1UL << 4)

#define	I2C_CON_STA (1UL << 5)

#define	I2C_CON_I2EN (1UL << 6)

#define	I2C_STAT_CODE_BITMASK ((0xF8))

#define	I2C_STAT_CODE_ERROR ((0xFF))

#define	I2C_I2STAT_NO_INF ((0xF8))

#define	I2C_I2STAT_BUS_ERROR ((0x00))

#define	I2C_I2STAT_M_TX_START ((0x08))

#define	I2C_I2STAT_M_TX_RESTART ((0x10))

#define	I2C_I2STAT_M_TX_SLAW_ACK ((0x18))

#define	I2C_I2STAT_M_TX_SLAW_NACK ((0x20))

#define	I2C_I2STAT_M_TX_DAT_ACK ((0x28))

#define	I2C_I2STAT_M_TX_DAT_NACK ((0x30))

#define	I2C_I2STAT_M_TX_ARB_LOST ((0x38))

#define	I2C_I2STAT_M_RX_START ((0x08))

#define	I2C_I2STAT_M_RX_RESTART ((0x10))

#define	I2C_I2STAT_M_RX_ARB_LOST ((0x38))

#define	I2C_I2STAT_M_RX_SLAR_ACK ((0x40))

#define	I2C_I2STAT_M_RX_SLAR_NACK ((0x48))

#define	I2C_I2STAT_M_RX_DAT_ACK ((0x50))

#define	I2C_I2STAT_M_RX_DAT_NACK ((0x58))

#define	I2C_I2STAT_S_RX_SLAW_ACK ((0x60))

#define	I2C_I2STAT_S_RX_ARB_LOST_M_SLA ((0x68))

#define	I2C_I2STAT_S_RX_GENCALL_ACK ((0x70))

#define	I2C_I2STAT_S_RX_ARB_LOST_M_GENCALL ((0x78))

#define	I2C_I2STAT_S_RX_PRE_SLA_DAT_ACK ((0x80))

#define	I2C_I2STAT_S_RX_PRE_SLA_DAT_NACK ((0x88))

#define	I2C_I2STAT_S_RX_PRE_GENCALL_DAT_ACK ((0x90))

#define	I2C_I2STAT_S_RX_PRE_GENCALL_DAT_NACK ((0x98))

#define	I2C_I2STAT_S_RX_STA_STO_SLVREC_SLVTRX ((0xA0))

#define	I2C_I2STAT_S_TX_SLAR_ACK ((0xA8))

#define	I2C_I2STAT_S_TX_ARB_LOST_M_SLA ((0xB0))

#define	I2C_I2STAT_S_TX_DAT_ACK ((0xB8))

#define	I2C_I2STAT_S_TX_DAT_NACK ((0xC0))

#define	I2C_I2STAT_S_TX_LAST_DAT_ACK ((0xC8))

#define	I2C_SLAVE_TIME_OUT 0x10000000UL

#define	I2C_I2DAT_BITMASK ((0xFF))

#define	I2C_I2DAT_IDLE_CHAR (0xFF)

#define	I2C_I2MMCTRL_MM_ENA ((1 << 0))

#define	I2C_I2MMCTRL_ENA_SCL ((1 << 1))

#define	I2C_I2MMCTRL_MATCH_ALL ((1 << 2))

#define	I2C_I2MMCTRL_BITMASK ((0x07))

#define	I2DATA_BUFFER_BITMASK ((0xFF))

#define	I2C_I2ADR_GC ((1 << 0))

#define	I2C_I2ADR_BITMASK ((0xFF))

#define	I2C_I2MASK_MASK(n) ((n & 0xFE))

#define	I2C_I2SCLH_BITMASK ((0xFFFF))

#define	I2C_I2SCLL_BITMASK ((0xFFFF))

#define	I2C_SETUP_STATUS_ARBF (1 << 8)

#define	I2C_SETUP_STATUS_NOACKF (1 << 9)

#define	I2C_SETUP_STATUS_DONE (1 << 10)

#define	I2C_OK 0x00

#define	I2C_BYTE_SENT 0x01

#define	I2C_BYTE_RECV 0x02

#define	I2C_LAST_BYTE_RECV 0x04

#define	I2C_SEND_END 0x08

#define	I2C_RECV_END 0x10

#define	I2C_STA_STO_RECV 0x20
	I2C state handle return values.

#define	I2C_ERR (0x10000000)

#define	I2C_NAK_RECV (0x10000000 \| 0x01)

#define	I2C_CheckError(ErrorCode) (ErrorCode & 0x10000000)

#define	I2C_MONITOR_CFG_SCL_OUTPUT I2C_I2MMCTRL_ENA_SCL

#define	I2C_MONITOR_CFG_MATCHALL I2C_I2MMCTRL_MATCH_ALL

Enumerations
enum	I2C_SLAVE_ID { I2C_SLAVE_GENERAL, I2C_SLAVE_0, I2C_SLAVE_1, I2C_SLAVE_2, I2C_SLAVE_3, I2C_SLAVE_NUM_INTERFACE }
	I2C Slave Identifiers. More...

enum	I2C_STATUS_T { I2C_STATUS_DONE, I2C_STATUS_NAK, I2C_STATUS_ARBLOST, I2C_STATUS_BUSERR, I2C_STATUS_BUSY }
	I2C transfer status. More...

Functions
STATIC INLINE void	IP_I2C_Init (IP_I2C_001_T *pI2C)
	Initializes the pI2C peripheral.

STATIC INLINE void	IP_I2C_DeInit (IP_I2C_001_T *pI2C)
	De-initializes the I2C peripheral registers to their default reset values.

STATIC INLINE void	IP_I2C_SetClockRate (IP_I2C_001_T *pI2C, uint32_t SCLValue)
	Set up clock rate for I2Cx.

STATIC INLINE uint32_t	IP_I2C_GetClockDiv (IP_I2C_001_T *pI2C)
	Get current divisor clock value.

STATIC INLINE void	IP_I2C_Master_StartXfer (IP_I2C_001_T *pI2C)
	Enable I2C and start master transfer.

int	IP_I2C_MasterXfer_StateHandler (IP_I2C_001_T pI2C, I2C_XFER_T xfer)
	Master transfer state change handler.

STATIC INLINE int	IP_I2C_IsStateChanged (IP_I2C_001_T *pI2C)
	I2C State change checking.

STATIC INLINE void	IP_I2C_Disable (IP_I2C_001_T *pI2C)
	Disable I2C peripheral's operation.

STATIC INLINE void	IP_I2C_SetSlaveAddress (IP_I2C_001_T *pI2C, I2C_SLAVE_ID sid, uint8_t addr, uint8_t mask)
	Set OWN slave address for specific slave ID.

STATIC INLINE int	IP_I2C_GetCurrentState (IP_I2C_001_T *pI2C)
	Get current state of the I2C peripheral.

I2C_SLAVE_ID	IP_I2C_GetSlaveIndex (IP_I2C_001_T *pI2C)
	Get the slave ID of the active slave.

int	IP_I2C_SlaveXfer_StateHandler (IP_I2C_001_T pI2C, I2C_XFER_T xfer)
	Slave transfer state change handler.

STATIC INLINE void	IP_I2C_Slave_StartXfer (IP_I2C_001_T *pI2C)
	Enable I2C and enable slave transfers.

STATIC INLINE int	IP_I2C_BusFree (IP_I2C_001_T *pI2C)
	Check if I2C bus is free.

STATIC INLINE int	IP_I2C_IsMasterState (IP_I2C_001_T *pI2C)
	Check if the active state belongs to master mode.

Data Structures

Macros

Enumerations

Functions