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/*
* Copyright (C) 2015 - 2018, IBEROXARXA SERVICIOS INTEGRALES, S.L.
* Copyright (C) 2015 - 2018, Jaume Olivé Petrus (jolive@whitecatboard.org)
*
* 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 <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* * The WHITECAT logotype cannot be changed, you can remove it, but you
* cannot change it in any way. The WHITECAT logotype is:
*
* /\ /\
* / \_____/ \
* /_____________\
* W H I T E C A T
*
* * Redistributions in binary form must retain all copyright notices printed
* to any local or remote output device. This include any reference to
* Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
* appear in the future.
*
* 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 <COPYRIGHT HOLDER> 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.
*
* Lua RTOS, spiffs port functions
*
*/
#include "k210_spiffs.h"
//#include "esp_attr.h"
#include "spiffs.h"
#include "../hal/w25qxx.h"
#include <stdlib.h>
#include "../sys/mutex.h"
#include <devices.h>
//#include <task.h>
#define SPI_FLASH_ALIGN 0
static handle_t spi3 = 0;
s32_t k210_spi_flash_init() {
spi3 = io_open("/dev/spi3");
if (!spi3) {
return 0;
}
w25qxx_init(spi3);
return 1;
}
void spiffs_lock(spiffs *fs) {
mtx_lock(fs->user_data);
}
void spiffs_unlock(spiffs *fs) {
mtx_unlock(fs->user_data);
}
s32_t k210_spi_flash_read(u32_t addr, u32_t size, u8_t *dst) {
#if SPI_FLASH_ALIGN
u32_t aaddr;
u8_t *buff = NULL;
u8_t *abuff = NULL;
u32_t asize;
asize = size;
// Align address to 4 byte
aaddr = (addr + (4 - 1)) & (u32_t) -4;
if (aaddr != addr) {
aaddr -= 4;
asize += (addr - aaddr);
}
// Align size to 4 byte
asize = (asize + (4 - 1)) & (u32_t) -4;
if ((aaddr != addr) || (asize != size)) {
// Align buffer
buff = malloc(asize + 4);
if (!buff) {
return SPIFFS_ERR_INTERNAL;
}
abuff = (u8_t *) (((ptrdiff_t) buff + (4 - 1)) & (u32_t) -4);
if (w25qxx_read_data(aaddr, (void *) abuff, asize) != W25QXX_OK) {
free(buff);
return SPIFFS_ERR_INTERNAL;
}
memcpy(dst, abuff + (addr - aaddr), size);
free(buff);
} else {
#endif
if (w25qxx_read_data(addr, (void *) dst, size) != W25QXX_OK) {
return SPIFFS_ERR_INTERNAL;
}
#if SPI_FLASH_ALIGN
}
#endif
return SPIFFS_OK;
}
s32_t k210_spi_flash_write(u32_t addr, u32_t size, const u8_t *src) {
#if SPI_FLASH_ALIGN
u32_t aaddr;
u8_t *buff = NULL;
u8_t *abuff = NULL;
u32_t asize;
asize = size;
// Align address to 4 byte
aaddr = (addr + (4 - 1)) & -4;
if (aaddr != addr) {
aaddr -= 4;
asize += (addr - aaddr);
}
// Align size to 4 byte
asize = (asize + (4 - 1)) & -4;
if ((aaddr != addr) || (asize != size)) {
// Align buffer
buff = malloc(asize + 4);
if (!buff) {
return SPIFFS_ERR_INTERNAL;
}
abuff = (u8_t *) (((ptrdiff_t) buff + (4 - 1)) & -4);
if (w25qxx_read_data(aaddr, (void *) abuff, asize) != W25QXX_OK) {
free(buff);
return SPIFFS_ERR_INTERNAL;
}
memcpy(abuff + (addr - aaddr), src, size);
if (w25qxx_write_data(aaddr, (uint8_t *) abuff, asize) != W25QXX_OK) {
free(buff);
return SPIFFS_ERR_INTERNAL;
}
free(buff);
} else {
#endif
if (w25qxx_write_data(addr, (uint8_t *) src, size) != W25QXX_OK) {
return SPIFFS_ERR_INTERNAL;
}
#if SPI_FLASH_ALIGN
}
#endif
return SPIFFS_OK;
}
s32_t k210_spi_flash_erase(u32_t addr, u32_t size) {
if (w25qxx_sector_erase(addr >> 12) != W25QXX_OK) {
return SPIFFS_ERR_INTERNAL;
}
return SPIFFS_OK;
}
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