flashpage.c
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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup drivers
* @{
*
* @file
* @brief Common flash page functions
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <string.h>
#include "cpu.h"
#include "assert.h"
/* guard this file, must be done before including periph/flashpage.h
* TODO: remove as soon as periph drivers can be build selectively */
#if defined(FLASHPAGE_NUMOF) && defined(FLASHPAGE_SIZE)
#include "periph/flashpage.h"
void flashpage_read(int page, void *data)
{
assert(page < FLASHPAGE_NUMOF);
memcpy(data, flashpage_addr(page), FLASHPAGE_SIZE);
}
int flashpage_verify(int page, void *data)
{
assert(page < FLASHPAGE_NUMOF);
if (memcmp(flashpage_addr(page), data, FLASHPAGE_SIZE) == 0) {
return FLASHPAGE_OK;
}
else {
return FLASHPAGE_NOMATCH;
}
}
int flashpage_write_and_verify(int page, void *data)
{
flashpage_write(page, data);
return flashpage_verify(page, data);
}
#endif