i2c_17xx_40xx.h

Go to the documentation of this file.

/*
 * @brief LPC17xx/40xx I2C driver
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#ifndef __I2C_17XX_40XX_H_
#define __I2C_17XX_40XX_H_

#ifdef __cplusplus
extern "C" {
#endif

typedef enum I2C_ID {
 I2C0,    
 I2C1,    
 I2C2,    
 I2C_NUM_INTERFACE 
} I2C_ID_T;

typedef enum {
 I2C_EVENT_WAIT = 1, 
 I2C_EVENT_DONE,  
 I2C_EVENT_LOCK,  
 I2C_EVENT_UNLOCK, 
 I2C_EVENT_SLAVE_RX, 
 I2C_EVENT_SLAVE_TX, 
} I2C_EVENT_T;

typedef void (*I2C_EVENTHANDLER_T)(I2C_ID_T, I2C_EVENT_T);

void Chip_I2C_Init(I2C_ID_T id);

void Chip_I2C_DeInit(I2C_ID_T id);

void Chip_I2C_SetClockRate(I2C_ID_T id, uint32_t clockrate);

uint32_t Chip_I2C_GetClockRate(I2C_ID_T id);

int Chip_I2C_MasterTransfer(I2C_ID_T id, I2C_XFER_T *xfer);

int Chip_I2C_MasterSend(I2C_ID_T id, uint8_t slaveAddr, const uint8_t *buff, uint8_t len);

int Chip_I2C_MasterCmdRead(I2C_ID_T id, uint8_t slaveAddr, uint8_t cmd, uint8_t *buff, int len);

I2C_EVENTHANDLER_T Chip_I2C_GetMasterEventHandler(I2C_ID_T id);

int Chip_I2C_SetMasterEventHandler(I2C_ID_T id, I2C_EVENTHANDLER_T event);

int Chip_I2C_MasterRead(I2C_ID_T id, uint8_t slaveAddr, uint8_t *buff, int len);

void Chip_I2C_EventHandlerPolling(I2C_ID_T id, I2C_EVENT_T event);

void Chip_I2C_EventHandler(I2C_ID_T id, I2C_EVENT_T event);

void Chip_I2C_MasterStateHandler(I2C_ID_T id);

void Chip_I2C_Disable(I2C_ID_T id);

int Chip_I2C_IsMasterActive(I2C_ID_T id);

void Chip_I2C_SlaveSetup(I2C_ID_T id,
       I2C_SLAVE_ID sid,
       I2C_XFER_T *xfer,
       I2C_EVENTHANDLER_T event,
       uint8_t addrMask);

void Chip_I2C_SlaveStateHandler(I2C_ID_T id);

int Chip_I2C_IsStateChanged(I2C_ID_T id);

#ifdef __cplusplus
}
#endif

#endif /* __I2C_17XX_40XX_H_ */