OpenRTX/platform/drivers/NVM/flash_zephyr.c

73 wiersze
2.9 KiB
C

/***************************************************************************
* Copyright (C) 2023 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#include <stdio.h>
#include <zephyr/drivers/flash.h>
#include "flash_zephyr.h"
static int nvm_api_read(const struct nvmDevice *dev, uint32_t offset,
void *data, size_t len)
{
const struct device *fDev = (const struct device *)(dev->config);
return flash_read(fDev, offset, data, len);
}
static int nvm_api_write(const struct nvmDevice *dev, uint32_t offset,
const void *data, size_t len)
{
const struct device *fDev = (const struct device *)(dev->config);
return flash_write(fDev, offset, data, len);
}
static int nvm_api_erase(const struct nvmDevice *dev, uint32_t offset, size_t size)
{
const struct device *fDev = (const struct device *)(dev->config);
return flash_erase(fDev, offset, size);
}
static const struct nvmParams *nvm_api_params(const struct nvmDevice *dev)
{
struct nvmParams *params = (struct nvmParams *)(dev->priv);
const struct device *fDev = (const struct device *)(dev->config);
// Retrieve write size
const struct flash_parameters *info = flash_get_parameters(fDev);
params->write_size = info->write_block_size;
// TODO: erase size and erase cycles to be retrieved from the real device.
params->erase_size = 4096;
params->erase_cycles = 100000;
params->type = NVM_FLASH;
return params;
}
const struct nvmApi zephyr_flash_api =
{
.read = nvm_api_read,
.write = nvm_api_write,
.erase = nvm_api_erase,
.sync = NULL,
.params = nvm_api_params
};