/** * @file xmc_flash.h * @date 2015-06-20 * * @cond ********************************************************************************************************************* * XMClib v2.1.16 - XMC Peripheral Driver Library * * Copyright (c) 2015-2017, Infineon Technologies AG * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification,are permitted provided that the * following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of conditions and the following * disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided with the distribution. * * Neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * To improve the quality of the software, users are encouraged to share modifications, enhancements or bug fixes with * Infineon Technologies AG dave@infineon.com). ********************************************************************************************************************* * * Change History * -------------- * * 2014-12-10: * - Initial
* 2015-02-20: * - Updated for Documentation related changes
* 2015-06-20: * - Removed version macros and declaration of GetDriverVersion API * @endcond * */ #ifndef XMC_FLASH_H #define XMC_FLASH_H /********************************************************************************************************************* * HEADER FILES ********************************************************************************************************************/ #include "xmc_common.h" #if UC_FAMILY == XMC1 #include "xmc1_flash.h" #endif #if UC_FAMILY == XMC4 #include "xmc4_flash.h" #endif /** * @addtogroup XMClib XMC Peripheral Library * @{ */ /** * @addtogroup FLASH * @brief Flash driver for XMC microcontroller family. * * Flash is a non volatile memory module used to store instruction code or constant data. * The flash low level driver provides support to the following functionalities of flash memory.
*
    * \if XMC4 *
  1. Provides function to program a page. ( XMC_FLASH_ProgramPage() )

    2. *
  2. Provides functions to support read and write protection. ( XMC_FLASH_InstallProtection(), * XMC_FLASH_ConfirmProtection(), XMC_FLASH_VerifyReadProtection(), XMC_FLASH_VerifyWriteProtection() )

    3. *
  3. Provides function to erase sector. ( XMC_FLASH_EraseSector() )

    4. * \endif * \if XMC1 *
  4. Provides functions to program and verify pages. ( XMC_FLASH_ProgramPage(), XMC_FLASH_ProgramPages() * XMC_FLASH_ProgramVerifyPage() )

    5. *
  5. Provides functions to write and verify blocks. ( XMC_FLASH_WriteBlocks(), XMC_FLASH_VerifyBlocks() )

    6. *
  6. Provides functions to read data in terms of word and blocks. ( XMC_FLASH_ReadBlocks(), XMC_FLASH_ReadWord() ) *

    7. *
  7. Provides function to erase page. ( XMC_FLASH_ErasePage() )

    8. * \endif *
* @{ */ /******************************************************************************* * API PROTOTYPE *******************************************************************************/ #ifdef __cplusplus extern "C" { #endif /** * * @param None * * @return None * * \parDescription:
* \if XMC1 * Clears the previous error status by reseting the ECC and VERR error status bits of NVMSTATUS register.\n\n * Call this API before starting any flash programming / erase related APIs to ensure all previous errors are cleared. * \endif * \if XMC4 * Clears the previous error status by reseting the FSR status register.\n\n Call this API before starting any flash * programming / erase related APIs to ensure all previous errors are cleared. * \endif * * \parRelated APIs:
* None * */ void XMC_FLASH_ClearStatus(void); /** * * @param None * * @return uint32_t Status of the previous flash operation. * * \parDescription:
* \if XMC1 * Informs the status of flash by reading the NVMSTATUS register.\n\n It indicates the ECC, VERR(verification error), * WRPERR (Write protocol error) errors as well as the current flash state. After calling the flash read/write/erase * operation related APIs, call this API to get the verification status. The return value of this API shall be checked * against the members of @ref XMC_FLASH_STATUS_t enumeration to get the relevant status. * \endif * \if XMC4 * Informs the status of flash by reading the FSR register.\n\n It indicates the error status such as PFOPER, SQER, * PROER, PFDBER, ORIER, VER errors as well as the current flash state. After calling the flash read/write/erase * operation related APIs, call this API to verify flash status. The return value of this API shall be checked against * the members of @ref XMC_FLASH_STATUS_t enumeration to get the relevant status. * \endif * * \parRelated APIs:
* None * */ uint32_t XMC_FLASH_GetStatus(void); /** * * @param event_msk ORed values of @ref XMC_FLASH_EVENT_t enumeration * * @return None * * \parDescription:
* Enables the particular flash events as specified in the input parameter.\n * * \parRelated APIs:
* XMC_FLASH_DisableEvent()\n\n\n * */ void XMC_FLASH_EnableEvent(const uint32_t event_msk); /** * * @param event_msk ORed values of @ref XMC_FLASH_EVENT_t enumeration * * @return None * * \parDescription:
* Disables the particular flash events as specified in the input parameter.\n * * \parRelated APIs:
* XMC_FLASH_EnableEvent()\n\n\n * */ void XMC_FLASH_DisableEvent(const uint32_t event_msk); /** * * @param address Pointer to the starting address of flash page from where the programming starts. * @param data Pointer to the source address where targeted data is located. * * @return None * * \parDescription:
* \if XMC1 * Programs a single flash page associated with the specified \a address.\n\n XMC1000 Flash can be programmed with one * page (256 bytes) using this API. It calls the Flash Firmware routine \a XMC1000_NvmProgVerify(unsigned long pageAddr) * to perform the programming. Refer XMC1000 reference manual of for more details on flash firmware routines * (Section 25.3). Call XMC_FLASH_GetStatus() API after calling this API, to verify the programming operation. * \endif * \if XMC4 * Programs a single flash page associated with the specified \a address.\n\n XMC4000 flash can be programmed with a * granularity of 256 bytes page using this API. Before entering into page write process, it clears the error status * bits inside status register. It starts the write process by issuing the page mode command followed by the load page * command which loads the targeted \a data blocks into internal assembly buffer. Finally, it issues the write page * command which programs the \a data into flash. Call XMC_FLASH_GetStatus() API after calling this API, to verify the * programming operation.\n * \endif * * \parNote:
* Flash will be busy state during write is ongoing, hence no operations allowed until it completes. * * \parRelated APIs:
* None * */ void XMC_FLASH_ProgramPage(uint32_t *address, const uint32_t *data); /** * * @param address Pointer to the starting address of the page to be erased. * * @return None * * \parDescription:
* \if XMC1 * Erases a complete sector starting from the \a address specified.\n\n XMC1000 Flash can be erased with granularity * of one page = 16 blocks of 16 Bytes = 256 Bytes using this API. It internally calls XMC_FLASH_ErasePages API 16 * times starting from the first page of the sector.. Call XMC_FLASH_GetStatus() API after calling this API, * to verify the erase operation.\n * \endif * * \if XMC4 * Erases a sector associated with the specified \a address.\n\n Before erase, it clears the error status bits inside * FSR status register. Issues the erase sector command sequence with the specified starting \a address to start flash * erase process. Call XMC_FLASH_GetStatus() API after calling this API, to verify the erase operation.\n * \endif * \if XMC1 * \parRelated APIs:
* XMC_FLASH_ErasePages() \n\n\n * \endif * \if XMC4 * \parRelated APIs:
* None * \endif */ void XMC_FLASH_EraseSector(uint32_t *address); /** * * @param None * * @return true if flash is in busy state else returns \a false. * * \parDescription:
* Checks whether flash is in busy state or not.\n\n It is checked by calling the XMC_FLASH_GetStatus() API internally. * Refer XMC_FLASH_GetStatus() for more details.\n * * \parRelated APIs:
* XMC_FLASH_GetStatus()\n\n\n * */ __STATIC_INLINE bool XMC_FLASH_IsBusy(void) { return (bool)(XMC_FLASH_GetStatus() & XMC_FLASH_STATUS_BUSY); } #ifdef __cplusplus } #endif /** * @} */ /** * @} */ #endif