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openblt/Target/Demo/ARMCM0_XMC1_XMC1400_Boot_Ki.../Boot/Libraries/XMCLib/src/xmc1_flash.c

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/**
* @file xmc1_flash.c
* @date 2015-10-14
*
* @cond
*********************************************************************************************************************
* XMClib v2.1.12 - 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
* --------------
*
* 2015-02-10:
* - Initial <br>
*
* 2015-06-20:
* - Removed definition of GetDriverVersion API
*
* 2015-10-14:
* - Fixed defect in API XMC_FLASH_ErasePages, related to the errata NVM_CM.001
* - NVM ROM user routine XMC1000_NvmErasePage(address) used for erase page.
*
* @endcond
*
*/
#include "xmc_flash.h"
/*********************************************************************************************************************
* MACROS
********************************************************************************************************************/
#if UC_FAMILY == XMC1
/*********************************************************************************************************************
* ENUMS
********************************************************************************************************************/
/* FLASH programming / erase options */
typedef enum FLASH_ACTION
{
FLASH_ACTION_IDLE = (uint32_t)0x00,
FLASH_ACTION_ONESHOT_WRITE_VERIFY = ((uint32_t)0x51 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_ONESHOT_WRITE = ((uint32_t)0x91 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_CONTINUOUS_WRITE_VERIFY = ((uint32_t)0x61 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_CONTINUOUS_WRITE = ((uint32_t)0xa1 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_ONESHOT_PAGE_ERASE = ((uint32_t)0x92 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_CONTINUOUS_PAGE_ERASE = ((uint32_t)0xa2 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_ONESHOT_VERIFY_ONLY = ((uint32_t)0xd0 << NVM_NVMPROG_ACTION_Pos),
FLASH_ACTION_CONTINUOUS_VERIFY_ONLY = ((uint32_t)0xe0 << NVM_NVMPROG_ACTION_Pos)
} FLASH_ACTION_t;
/*********************************************************************************************************************
* API IMPLEMENTATION
********************************************************************************************************************/
/*
* This API shall clear the ECC and VERIFICATION error status.
*/
void XMC_FLASH_ClearStatus(void)
{
NVM->NVMPROG |= (uint16_t)((uint16_t)NVM_NVMPROG_RSTVERR_Msk | (uint16_t)NVM_NVMPROG_RSTECC_Msk);
}
/*
* This API shall return the status of NVM.
*/
uint32_t XMC_FLASH_GetStatus(void)
{
return NVM->NVMSTATUS;
}
/*
* This API shall enable the the flash interrupt event.
*/
void XMC_FLASH_EnableEvent(const uint32_t event_msk)
{
NVM->NVMCONF |= (uint16_t)event_msk;
}
/*
* This API shall disable the the flash interrupt event.
*/
void XMC_FLASH_DisableEvent(const uint32_t event_msk)
{
NVM->NVMCONF &= (uint16_t)(~(uint16_t)event_msk);
}
void XMC_FLASH_ErasePage(uint32_t *address)
{
(void)XMC1000_NvmErasePage(address);
}
void XMC_FLASH_ProgramVerifyPage(uint32_t *address, const uint32_t *data)
{
(void)XMC1000_NvmProgVerify(data, address);
}
/* Write blocks of data into flash*/
void XMC_FLASH_WriteBlocks(uint32_t *address, const uint32_t *data, uint32_t num_blocks, bool verify)
{
uint32_t word;
uint32_t block;
XMC_ASSERT("XMC_FLASH_WriteBlocks: Starting address not aligned to Block",
((uint32_t)address & FLASH_BLOCK_ADDR_MASK) == 0U)
/* Configure the continuous Write option command and reset the NVM error / verification status*/
NVM->NVMPROG &= (uint16_t)(~(uint16_t)NVM_NVMPROG_ACTION_Msk);
NVM->NVMPROG |= (uint16_t)(NVM_NVMPROG_RSTVERR_Msk | NVM_NVMPROG_RSTECC_Msk);
if (verify == true)
{
NVM->NVMPROG |= (uint16_t)FLASH_ACTION_CONTINUOUS_WRITE_VERIFY;
}
else
{
NVM->NVMPROG |= (uint16_t)FLASH_ACTION_CONTINUOUS_WRITE;
}
for (block = 0U; block < num_blocks; ++block)
{
for (word = 0U; word < XMC_FLASH_WORDS_PER_BLOCK; ++word)
{
*address = *data;
data++;
address++;
}
while (XMC_FLASH_IsBusy() == true)
{
}
}
/* Stop continuous write operation */
NVM->NVMPROG &= (uint16_t)(~(uint16_t)NVM_NVMPROG_ACTION_Msk);
}
/* Erase flash pages */
void XMC_FLASH_ErasePages(uint32_t *address, uint32_t num_pages)
{
uint32_t page;
XMC_ASSERT("XMC_FLASH_ErasePages: Starting address not aligned to Page",
((uint32_t)address & FLASH_PAGE_ADDR_MASK) == 0U)
for (page = 0U; page < num_pages; ++page)
{
(void)XMC1000_NvmErasePage(address);
while (XMC_FLASH_IsBusy() == true)
{
}
/* Increment the page address for the next erase */
address += XMC_FLASH_WORDS_PER_PAGE;
}
}
/* Write multiple data blocks and verify the written data */
void XMC_FLASH_VerifyBlocks(uint32_t *address, const uint32_t *data, uint32_t num_blocks)
{
uint32_t word;
uint32_t block;
XMC_ASSERT("XMC_FLASH_VerifyBlocks: Starting address not aligned to Block",
((uint32_t)address & FLASH_BLOCK_ADDR_MASK) == 0U)
/* Configure the Continuous write with verify option command and reset the NVM error / verification status*/
NVM->NVMPROG &= (uint16_t)~NVM_NVMPROG_ACTION_Msk;
NVM->NVMPROG |= (uint16_t)((uint16_t)NVM_NVMPROG_RSTVERR_Msk |
(uint16_t)NVM_NVMPROG_RSTECC_Msk |
(uint16_t)FLASH_ACTION_CONTINUOUS_VERIFY_ONLY);
for (block = 0U; block < num_blocks; ++block)
{
for (word = 0U; word < XMC_FLASH_WORDS_PER_BLOCK; ++word)
{
*address = *data;
data++;
address++;
}
while (XMC_FLASH_IsBusy() == true)
{
}
}
/* Stop continuous verify operation */
NVM->NVMPROG &= (uint16_t)(~(uint16_t)NVM_NVMPROG_ACTION_Msk);
}
/* Read data blocks from flash */
void XMC_FLASH_ReadBlocks(uint32_t *address, uint32_t *data, uint32_t num_blocks)
{
uint32_t word;
uint32_t block;
XMC_ASSERT("XMC_FLASH_ReadBlocks: Starting address not aligned to Block",
((uint32_t)address & FLASH_BLOCK_ADDR_MASK) == 0U)
for (block = 0U; block < num_blocks; ++block)
{
for (word = 0U; word < XMC_FLASH_WORDS_PER_BLOCK; ++word)
{
*data = *address;
data++;
address++;
}
}
}
/* Erase single sector */
void XMC_FLASH_EraseSector(uint32_t *address)
{
XMC_ASSERT("XMC_FLASH_EraseSector: Starting address not aligned to Sector",
((uint32_t)address & FLASH_SECTOR_ADDR_MASK) == 0U)
XMC_FLASH_ErasePages(address, XMC_FLASH_PAGES_PER_SECTOR);
}
/* Program single page */
void XMC_FLASH_ProgramPage(uint32_t *address, const uint32_t *data)
{
XMC_FLASH_ProgramVerifyPage(address, data);
}
#endif
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