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9fa0099d62
- Since flash access is shared with CPU2 we resize ROM_LEN according to CPU2 secure flash memmory area. - Add assert to prevent unauthorized reads from CPU2 secure flash area
95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/*
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* Copyright (C) 2016 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_periph_flashpage
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* @{
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*
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* @file
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* @brief Common flash page functions
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <string.h>
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#include "cpu.h"
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#include "assert.h"
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/* guard this file, must be done before including periph/flashpage.h
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* TODO: remove as soon as periph drivers can be build selectively */
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#if defined(FLASHPAGE_NUMOF) && defined(FLASHPAGE_SIZE)
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#include "periph/flashpage.h"
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void flashpage_read(int page, void *data)
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{
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assert(page < (int)FLASHPAGE_NUMOF);
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#if defined(CPU_FAM_STM32WB)
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assert(page < (int)(FLASH->SFR & FLASH_SFR_SFSA));
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#endif
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memcpy(data, flashpage_addr(page), FLASHPAGE_SIZE);
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}
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int flashpage_verify(int page, const void *data)
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{
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assert(page < (int)FLASHPAGE_NUMOF);
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#if defined(CPU_FAM_STM32WB)
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assert(page < (int)(FLASH->SFR & FLASH_SFR_SFSA));
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#endif
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if (memcmp(flashpage_addr(page), data, FLASHPAGE_SIZE) == 0) {
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return FLASHPAGE_OK;
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}
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else {
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return FLASHPAGE_NOMATCH;
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}
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}
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int flashpage_write_and_verify(int page, const void *data)
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{
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flashpage_write(page, data);
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return flashpage_verify(page, data);
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}
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#if defined(FLASHPAGE_RWWEE_NUMOF)
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void flashpage_rwwee_read(int page, void *data)
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{
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assert(page < (int)FLASHPAGE_RWWEE_NUMOF);
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memcpy(data, flashpage_rwwee_addr(page), FLASHPAGE_SIZE);
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}
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int flashpage_rwwee_verify(int page, const void *data)
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{
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assert(page < (int)FLASHPAGE_RWWEE_NUMOF);
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if (memcmp(flashpage_rwwee_addr(page), data, FLASHPAGE_SIZE) == 0) {
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return FLASHPAGE_OK;
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}
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else {
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return FLASHPAGE_NOMATCH;
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}
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}
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int flashpage_rwwee_write_and_verify(int page, const void *data)
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{
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flashpage_rwwee_write(page, data);
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return flashpage_rwwee_verify(page, data);
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}
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#endif
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#endif
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