nuttx/boards/xtensa/esp32s3/common/src/esp32s3_board_spiflash.c
Tiago Medicci Serrano 8f2cdc4e60 esp32s3/wifi: add support for Wi-Fi (Station mode)
1) Wi-Fi driver libs from Espressif ESP-IDF release/v5.0;
2) Station mode only;
3) WPA2-PSK and WPA3-SAE enabled;

Not yet supported (WIP):
- SoftAP mode;
- 802.11k, 802.11v and 802.11R;
- Power Save mode;
- BLE Coexistance;
2023-03-10 10:59:14 +02:00

440 lines
11 KiB
C

/****************************************************************************
* boards/xtensa/esp32s3/common/src/esp32s3_board_spiflash.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/mount.h>
#include "inttypes.h"
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/kmalloc.h>
#include <nuttx/spi/spi.h>
#include <nuttx/mtd/mtd.h>
#include <nuttx/fs/nxffs.h>
#ifdef CONFIG_BCH
#include <nuttx/drivers/drivers.h>
#endif
#include "esp32s3_spiflash.h"
#include "esp32s3_spiflash_mtd.h"
#include "esp32s3-devkit.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifdef CONFIG_ESP32S3_WIFI_MTD_ENCRYPT
# define WIFI_ENCRYPT true
#else
# define WIFI_ENCRYPT false
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: setup_smartfs
*
* Description:
* Provide a block driver wrapper around MTD partition and mount a
* SMART FS over it.
*
* Parameters:
* smartn - Number used to register the mtd partition: /dev/smartx, where
* x = smartn.
* mtd - Pointer to a pre-allocated mtd partition.
* mnt_pt - Mount point
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#if defined (CONFIG_ESP32S3_SPIFLASH_SMARTFS)
static int setup_smartfs(int smartn, struct mtd_dev_s *mtd,
const char *mnt_pt)
{
int ret = OK;
char path[22];
ret = smart_initialize(smartn, mtd, NULL);
if (ret < 0)
{
finfo("smart_initialize failed, Trying to erase first...\n");
ret = mtd->ioctl(mtd, MTDIOC_BULKERASE, 0);
if (ret < 0)
{
ferr("ERROR: ioctl(BULKERASE) failed: %d\n", ret);
return ret;
}
finfo("Erase successful, initializing it again.\n");
ret = smart_initialize(smartn, mtd, NULL);
if (ret < 0)
{
ferr("ERROR: smart_initialize failed: %d\n", ret);
return ret;
}
}
if (mnt_pt != NULL)
{
snprintf(path, sizeof(path), "/dev/smart%d", smartn);
ret = nx_mount(path, mnt_pt, "smartfs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount the FS volume: %d\n", ret);
return ret;
}
}
return ret;
}
#endif
/****************************************************************************
* Name: setup_littlefs
*
* Description:
* Register a mtd driver and mount a Little FS over it.
*
* Parameters:
* path - Path name used to register the mtd driver.
* mtd - Pointer to a pre-allocated mtd partition.
* mnt_pt - Mount point
* priv - Privileges
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#if defined (CONFIG_ESP32S3_SPIFLASH_LITTLEFS)
static int setup_littlefs(const char *path, struct mtd_dev_s *mtd,
const char *mnt_pt, int priv)
{
int ret = OK;
ret = register_mtddriver(path, mtd, priv, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to register MTD: %d\n", ret);
return ERROR;
}
if (mnt_pt != NULL)
{
ret = nx_mount(path, mnt_pt, "littlefs", 0, NULL);
if (ret < 0)
{
ret = nx_mount(path, mnt_pt, "littlefs", 0, "forceformat");
if (ret < 0)
{
ferr("ERROR: Failed to mount the FS volume: %d\n", ret);
return ret;
}
}
}
return OK;
}
#endif
/****************************************************************************
* Name: setup_spiffs
*
* Description:
* Register a mtd driver and mount a SPIFFS over it.
*
* Parameters:
* path - Path name used to register the mtd driver.
* mtd - Pointer to a pre-allocated mtd partition.
* mnt_pt - Mount point
* priv - Privileges
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#if defined (CONFIG_ESP32S3_SPIFLASH_SPIFFS)
static int setup_spiffs(const char *path, struct mtd_dev_s *mtd,
const char *mnt_pt, int priv)
{
int ret = OK;
ret = register_mtddriver(path, mtd, priv, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to register MTD: %d\n", ret);
return ERROR;
}
if (mnt_pt != NULL)
{
ret = nx_mount(path, mnt_pt, "spiffs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount the FS volume: %d\n", ret);
return ret;
}
}
return ret;
}
#endif
/****************************************************************************
* Name: setup_nxffs
*
* Description:
* Register a mtd driver and mount a SPIFFS over it.
*
* Parameters:
* mtd - Pointer to a pre-allocated mtd partition.
* mnt_pt - Mount point
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#if defined (CONFIG_ESP32S3_SPIFLASH_NXFFS)
static int setup_nxffs(struct mtd_dev_s *mtd, const char *mnt_pt)
{
int ret = OK;
ret = nxffs_initialize(mtd);
if (ret < 0)
{
ferr("ERROR: NXFFS init failed: %d\n", ret);
return ret;
}
if (mnt_pt != NULL)
{
ret = nx_mount(NULL, mnt_pt, "nxffs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount the FS volume: %d\n", ret);
return ret;
}
}
return ret;
}
#endif
/****************************************************************************
* Name: init_wifi_partition
*
* Description:
* Initialize partition that is dedicated to Wi-Fi.
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ESP32S3_WIFI_SAVE_PARAM
static int init_wifi_partition(void)
{
int ret = OK;
struct mtd_dev_s *mtd;
mtd = esp32s3_spiflash_alloc_mtdpart(CONFIG_ESP32S3_WIFI_MTD_OFFSET,
CONFIG_ESP32S3_WIFI_MTD_SIZE,
WIFI_ENCRYPT);
if (!mtd)
{
ferr("Failed to alloc MTD partition of SPI Flash\n");
return -ENOMEM;
}
#if defined (CONFIG_ESP32S3_SPIFLASH_SMARTFS)
ret = setup_smartfs(1, mtd, CONFIG_ESP32S3_WIFI_FS_MOUNTPT);
if (ret < 0)
{
ferr("Failed to setup smartfs\n");
return ret;
}
#elif defined(CONFIG_ESP32S3_SPIFLASH_LITTLEFS)
const char *path = "/dev/mtdblock1";
ret = setup_littlefs(path, mtd, CONFIG_ESP32S3_WIFI_FS_MOUNTPT, 0777);
if (ret < 0)
{
ferr("Failed to setup littlefs\n");
return ret;
}
#elif defined(CONFIG_ESP32S3_SPIFLASH_SPIFFS)
const char *path = "/dev/mtdblock1";
ret = setup_spiffs(path, mtd, CONFIG_ESP32S3_WIFI_FS_MOUNTPT, 0777);
if (ret < 0)
{
ferr("Failed to setup spiffs\n");
return ret;
}
#else
ferr("No supported FS selected. Wi-Fi partition "
"should be mounted before Wi-Fi initialization\n");
#endif
return ret;
}
#endif
/****************************************************************************
* Name: init_storage_partition
*
* Description:
* Initialize partition that is dedicated to general use.
*
* Returned Value:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
static int init_storage_partition(void)
{
int ret = OK;
struct mtd_dev_s *mtd;
mtd = esp32s3_spiflash_alloc_mtdpart(CONFIG_ESP32S3_STORAGE_MTD_OFFSET,
CONFIG_ESP32S3_STORAGE_MTD_SIZE,
false);
if (!mtd)
{
ferr("ERROR: Failed to alloc MTD partition of SPI Flash\n");
return ERROR;
}
#if defined (CONFIG_ESP32S3_SPIFLASH_SMARTFS)
ret = setup_smartfs(0, mtd, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to setup smartfs\n");
return ret;
}
#elif defined (CONFIG_ESP32S3_SPIFLASH_NXFFS)
ret = setup_nxffs(mtd, "/mnt");
if (ret < 0)
{
ferr("ERROR: Failed to setup nxffs\n");
return ret;
}
#elif defined (CONFIG_ESP32S3_SPIFLASH_LITTLEFS)
const char *path = "/dev/esp32s3flash";
ret = setup_littlefs(path, mtd, NULL, 0755);
if (ret < 0)
{
ferr("ERROR: Failed to setup littlefs\n");
return ret;
}
#elif defined (CONFIG_ESP32S3_SPIFLASH_SPIFFS)
const char *path = "/dev/esp32s3flash";
ret = setup_spiffs(path, mtd, NULL, 0755);
if (ret < 0)
{
ferr("ERROR: Failed to setup spiffs\n");
return ret;
}
#else
ret = register_mtddriver("/dev/esp32s3flash", mtd, 0755, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to register MTD: %d\n", ret);
return ret;
}
#endif
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_spiflash_init
*
* Description:
* Initialize the SPIFLASH and register the MTD device.
*
****************************************************************************/
int board_spiflash_init(void)
{
int ret = OK;
ret = esp32s3_spiflash_init();
if (ret < 0)
{
return ret;
}
#ifdef CONFIG_ESP32S3_WIFI_SAVE_PARAM
ret = init_wifi_partition();
if (ret < 0)
{
return ret;
}
#endif
ret = init_storage_partition();
if (ret < 0)
{
return ret;
}
return ret;
}