/* * @brief SPI 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_SPIM_H_ #define __ROMAPI_SPIM_H_ #include "hw_spimd.h" #ifdef __cplusplus extern "C" { #endif /** @defgroup ROMAPI_SPIM_WRAPPER CHIP: SPI master ROM wrapper functions * @ingroup ROMAPI_5410X * @{ */ /** * @brief Get memory size in bytes needed for SPI master driver context * @return Size in bytes needed for the ROM driver */ uint32_t ROM_SPIM_GetMemSize(void); /** * @brief Initialize SPI master peripheral * @param mem : Pointer to memory area used to driver context * @param pInit : Pointer to SPI master init data * @return NULL on error, or a pointer to the device context handle */ ROM_SPIM_HANDLE_T ROM_SPIM_Init(void *mem, ROM_SPIM_INIT_T *pInit); /** * @brief Register a SPI master callback * @param pHandle : Pointer to driver context handle * @param cbIndex : Callback to register * @param pCB : Pointer to callback function * @return Nothing */ void ROM_SPIM_RegisterCallback(ROM_SPIM_HANDLE_T pHandle, ROM_SPIM_CALLBACK_T cbIndex, void *pCB); ErrorCode_t ROM_SPIM_SetupTransfer(ROM_SPIM_HANDLE_T pHandle, ROM_SPIM_XFER_CONFIG_T *pCfg); /** * @brief Start a SPI 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_SPIM_Transfer(ROM_SPIM_HANDLE_T pHandle, ROM_SPIM_XFER_T *pXfer); /** * @brief SPI master transfer (interrupt) handler * @param pHandle : Pointer to driver context handle * @return Nothing * @note This function should be called from the SPI interrupt handler and * is used in interrupt and DMA modes. */ void ROM_SPIM_TransferHandler(ROM_SPIM_HANDLE_T pHandle); /** * @brief Safely stop a SPI master transfer * @param pHandle : Pointer to driver context handle * @return Nothing * @note This function completes the SPI transfer at the next possible * transfer completion state. This should be called when DMA is used and * DMA transfer is complete, or whenever the transfer neesd to be aborted. * It will safely transmit any data already inside the SPI transmit FIFOs * before stopping. */ void ROM_SPIM_ClosePendingTransfer(ROM_SPIM_HANDLE_T pHandle); /** * @brief Return the SPI 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_SPIM_GetDriverVersion(void); /** * @} */ #ifdef __cplusplus } #endif #endif /* __ROMAPI_SPIM_H_ */