xmclib/XMCLib/inc/xmc_flash.h
2024-10-17 17:09:59 +02:00

276 lines
10 KiB
C

/**
* @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 <br>
* 2015-02-20:
* - Updated for Documentation related changes<br>
* 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.<BR>
* <OL>
* \if XMC4
* <LI>Provides function to program a page. ( XMC_FLASH_ProgramPage() )</LI><BR>
* <LI>Provides functions to support read and write protection. ( XMC_FLASH_InstallProtection(),
* XMC_FLASH_ConfirmProtection(), XMC_FLASH_VerifyReadProtection(), XMC_FLASH_VerifyWriteProtection() ) </LI><BR>
* <LI>Provides function to erase sector. ( XMC_FLASH_EraseSector() ) </LI><BR>
* \endif
* \if XMC1
* <LI>Provides functions to program and verify pages. ( XMC_FLASH_ProgramPage(), XMC_FLASH_ProgramPages()
* XMC_FLASH_ProgramVerifyPage() )</LI><BR>
* <LI>Provides functions to write and verify blocks. ( XMC_FLASH_WriteBlocks(), XMC_FLASH_VerifyBlocks() )</LI><BR>
* <LI>Provides functions to read data in terms of word and blocks. ( XMC_FLASH_ReadBlocks(), XMC_FLASH_ReadWord() )
* </LI><BR>
* <LI>Provides function to erase page. ( XMC_FLASH_ErasePage() ) </LI><BR>
* \endif
* </OL>
* @{
*/
/*******************************************************************************
* API PROTOTYPE
*******************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
/**
*
* @param None
*
* @return None
*
* \par<b>Description:</b><br>
* \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
*
* \par<b>Related APIs:</b><BR>
* None
*
*/
void XMC_FLASH_ClearStatus(void);
/**
*
* @param None
*
* @return uint32_t Status of the previous flash operation.
*
* \par<b>Description:</b><br>
* \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
*
* \par<b>Related APIs:</b><BR>
* None
*
*/
uint32_t XMC_FLASH_GetStatus(void);
/**
*
* @param event_msk ORed values of @ref XMC_FLASH_EVENT_t enumeration
*
* @return None
*
* \par<b>Description:</b><br>
* Enables the particular flash events as specified in the input parameter.\n
*
* \par<b>Related APIs:</b><BR>
* 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
*
* \par<b>Description:</b><br>
* Disables the particular flash events as specified in the input parameter.\n
*
* \par<b>Related APIs:</b><BR>
* 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
*
* \par<b>Description:</b><br>
* \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
*
* \par<b>Note:</b><br>
* Flash will be busy state during write is ongoing, hence no operations allowed until it completes.
*
* \par<b>Related APIs:</b><BR>
* 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
*
* \par<b>Description:</b><br>
* \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
* \par<b>Related APIs:</b><BR>
* XMC_FLASH_ErasePages() \n\n\n
* \endif
* \if XMC4
* \par<b>Related APIs:</b><BR>
* None
* \endif
*/
void XMC_FLASH_EraseSector(uint32_t *address);
/**
*
* @param None
*
* @return true if flash is in busy state else returns \a false.
*
* \par<b>Description:</b><br>
* 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
*
* \par<b>Related APIs:</b><BR>
* 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