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reseau statique a...
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/*
* Copyright (C) 2016 Freie Universitรคt 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 cpu_nrf5x_common
* @{
*
* @file
* @brief Low-level flash page driver implementation
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include "cpu.h"
#include "assert.h"
#include "periph/flashpage.h"
void flashpage_write(int page, void *data)
{
assert(page < FLASHPAGE_NUMOF);
uint32_t *page_addr = (uint32_t *)flashpage_addr(page);
uint32_t *data_addr = (uint32_t *)data;
/* erase given page */
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Een;
NRF_NVMC->ERASEPAGE = (uint32_t)page_addr;
while (NRF_NVMC->READY == 0) {}
/* write data to page */
if (data != NULL) {
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen;
for (unsigned i = 0; i < (FLASHPAGE_SIZE / 4); i++) {
*page_addr++ = data_addr[i];
}
}
/* finish up */
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren;
}
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