/* * @brief I2C slave 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_I2CS_H_ #define __ROMAPI_I2CS_H_ #include "hw_i2csd.h" #ifdef __cplusplus extern "C" { #endif /** @defgroup ROMAPI_I2CS_WRAPPER CHIP: I2C slave ROM wrapper functions * @ingroup ROMAPI_5410X * @{ */ /** * @brief Get memory size in bytes needed for I2C slave driver context * @return Size in bytes needed for the ROM driver */ uint32_t ROM_I2CS_GetMemSize(void); /** * @brief Initialize I2C slave peripheral * @param mem : Pointer to memory area used to driver context * @param pInit : Pointer to I2C slave init data * @return NULL on error, or a pointer to the device context handle */ ROM_I2CS_HANDLE_T ROM_I2CS_Init(void *mem, ROM_I2CS_INIT_T *pInit); /** * @brief Set I2C slave clock rate * @param pHandle : Pointer to driver context handle * @param pSlaveSetup : Slave setup data * @return Nothing * @note See the use model for more information on how to setup slave addresses. */ void ROM_I2CS_SetupSlave(ROM_I2CS_HANDLE_T pHandle, ROM_I2CS_SLAVE_T *pSlaveSetup); /** * @brief Register a I2C slave callback * @param pHandle : Pointer to driver context handle * @param cbIndex : Callback to register * @param pCB : Pointer to callback function * @return Nothing */ void ROM_I2CS_RegisterCallback(ROM_I2CS_HANDLE_T pHandle, ROM_I2CS_CALLBACK_T cbIndex, void *pCB); /** * @brief Queues an I2C slave transfer * @param pHandle : Pointer to driver context handle * @param pXfer : Pointer to slave transfer configuration * @return Always returns LPC_OK * @note This functions never blocks. */ ErrorCode_t ROM_I2CS_Transfer(ROM_I2CS_HANDLE_T pHandle, ROM_I2CS_XFER_T *pXfer); /** * @brief I2C slave 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_I2CS_TransferHandler(ROM_I2CS_HANDLE_T pHandle); /** * @brief Return the I2C slave 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_I2CS_GetDriverVersion(void); /** * @} */ #ifdef __cplusplus } #endif #endif /* __ROMAPI_I2CS_H_ */