114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
|
|
* @brief I2C master ROM API declarations and functions
|
|
*
|
|
* @note
|
|
* Copyright(C) NXP Semiconductors, 2014
|
|
* 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 __ROMAPI_I2CM_H_
|
|
#define __ROMAPI_I2CM_H_
|
|
|
|
#include "hw_i2cmd.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/** @defgroup ROMAPI_I2CM_WRAPPER CHIP: I2C master ROM wrapper functions
|
|
* @ingroup ROMAPI_5410X
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Get memory size in bytes needed for I2C master driver context
|
|
* @return Size in bytes needed for the ROM driver
|
|
*/
|
|
uint32_t ROM_I2CM_GetMemSize(void);
|
|
|
|
/**
|
|
* @brief Initialize I2C master peripheral
|
|
* @param mem : Pointer to memory area used to driver context
|
|
* @param pInit : Pointer to I2C master init data
|
|
* @return NULL on error, or a pointer to the device context handle
|
|
*/
|
|
ROM_I2CM_HANDLE_T ROM_I2CM_Init(void *mem, const ROM_I2CM_INIT_T *pInit);
|
|
|
|
/**
|
|
* @brief Set I2C master clock rate
|
|
* @param pHandle : Pointer to driver context handle
|
|
* @param inRate : Base clock rate for the I2C peripheral in Hz
|
|
* @param i2cRate : Desired I2C master clock rate
|
|
* @return Actual I2C master clock rate
|
|
*/
|
|
uint32_t ROM_I2CM_SetClockRate(ROM_I2CM_HANDLE_T pHandle, uint32_t inRate, uint32_t i2cRate);
|
|
|
|
/**
|
|
* @brief Register a I2C master callback
|
|
* @param pHandle : Pointer to driver context handle
|
|
* @param cbIndex : Callback to register
|
|
* @param pCB : Pointer to callback function
|
|
* @return Nothing
|
|
*/
|
|
void ROM_I2CM_RegisterCallback(ROM_I2CM_HANDLE_T pHandle, ROM_I2CM_CALLBACK_T cbIndex, void *pCB);
|
|
|
|
/**
|
|
* @brief Start a I2C master transfer
|
|
* @param pHandle : Pointer to driver context handle
|
|
* @param pXfer : Pointer to master transfer configuration
|
|
* @return Error code
|
|
* @note This function starts the transfer and returns immediately.
|
|
*/
|
|
ErrorCode_t ROM_I2CM_Transfer(ROM_I2CM_HANDLE_T pHandle, ROM_I2CM_XFER_T *pXfer);
|
|
|
|
/**
|
|
* @brief I2C master transfer (interrupt) handler
|
|
* @param pHandle : Pointer to driver context handle
|
|
* @return Nothing
|
|
* @note This function should be called from the I2C interrupt handler and
|
|
* is used in interrupt and DMA modes.
|
|
*/
|
|
void ROM_I2CM_TransferHandler(ROM_I2CM_HANDLE_T pHandle);
|
|
|
|
/**
|
|
* @brief Return the I2C master ROM driver version
|
|
* @return Driver version number
|
|
* @note The returned driver version number consists of a major and minor
|
|
* number, with the minor number in the lower 8 bits and the major number in
|
|
* the upper 8 bits.
|
|
*/
|
|
uint16_t ROM_I2CM_GetDriverVersion(void);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ROMAPI_I2CM_H_ */
|