const esp_phy_init_data_t* esp_phy_get_init_data()
{
const esp_partition_t* partition = esp_partition_find_first(
ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_PHY, NULL);
if (partition == NULL) {
ESP_LOGE(TAG, "PHY data partition not found");
return NULL;
}
ESP_LOGD(TAG, "loading PHY init data from partition at offset 0x%x", partition->address);
size_t init_data_store_length = sizeof(phy_init_magic_pre) +
sizeof(esp_phy_init_data_t) + sizeof(phy_init_magic_post);
uint8_t* init_data_store = (uint8_t*) malloc(init_data_store_length);
if (init_data_store == NULL) {
ESP_LOGE(TAG, "failed to allocate memory for PHY init data");
return NULL;
}
esp_err_t err = esp_partition_read(partition, 0, init_data_store, init_data_store_length);
if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to read PHY data partition (0x%x)", err);
return NULL;
}
if (memcmp(init_data_store, PHY_INIT_MAGIC, sizeof(phy_init_magic_pre)) != 0 ||
memcmp(init_data_store + init_data_store_length - sizeof(phy_init_magic_post),
PHY_INIT_MAGIC, sizeof(phy_init_magic_post)) != 0) {
ESP_LOGE(TAG, "failed to validate PHY data partition");
return NULL;
}
ESP_LOGD(TAG, "PHY data partition validated");
return (const esp_phy_init_data_t*) (init_data_store + sizeof(phy_init_magic_pre));
}
static bool esp32_vfs_dev_partition_open(struct mgos_vfs_dev *dev,
const char *opts) {
char *label = NULL;
int subtype = 0xff; /* any subtype */
json_scanf(opts, strlen(opts), "{name: %Q, label: %Q, subtype: %d}", &label,
&label, &subtype);
if (label == NULL) {
LOG(LL_ERROR, ("Must specify partition label"));
return false;
}
const esp_partition_t *part =
esp_partition_find_first(ESP_PARTITION_TYPE_DATA, subtype, label);
if (part != NULL) {
dev->dev_data = (void *) part;
}
free(label);
return (part != NULL);
}
esp_err_t esp_vfs_fat_spiflash_mount(const char* base_path,
const char* partition_label,
const esp_vfs_fat_mount_config_t* mount_config,
wl_handle_t* wl_handle)
{
esp_err_t result = ESP_OK;
const size_t workbuf_size = 4096;
void *workbuf = NULL;
esp_partition_subtype_t subtype = partition_label ?
ESP_PARTITION_SUBTYPE_ANY : ESP_PARTITION_SUBTYPE_DATA_FAT;
const esp_partition_t *data_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA,
subtype, partition_label);
if (data_partition == NULL) {
ESP_LOGE(TAG, "Failed to find FATFS partition (type='data', subtype='fat', partition_label='%s'). Check the partition table.", partition_label);
return ESP_ERR_NOT_FOUND;
}
result = wl_mount(data_partition, wl_handle);
if (result != ESP_OK) {
ESP_LOGE(TAG, "failed to mount wear levelling layer. result = %i", result);
return result;
}
// connect driver to FATFS
BYTE pdrv = 0xFF;
if (ff_diskio_get_drive(&pdrv) != ESP_OK) {
ESP_LOGD(TAG, "the maximum count of volumes is already mounted");
return ESP_ERR_NO_MEM;
}
ESP_LOGD(TAG, "using pdrv=%i", pdrv);
char drv[3] = {(char)('0' + pdrv), ':', 0};
result = ff_diskio_register_wl_partition(pdrv, *wl_handle);
if (result != ESP_OK) {
ESP_LOGE(TAG, "ff_diskio_register_wl_partition failed pdrv=%i, error - 0x(%x)", pdrv, result);
goto fail;
}
FATFS *fs;
result = esp_vfs_fat_register(base_path, drv, mount_config->max_files, &fs);
if (result == ESP_ERR_INVALID_STATE) {
// it's okay, already registered with VFS
} else if (result != ESP_OK) {
ESP_LOGD(TAG, "esp_vfs_fat_register failed 0x(%x)", result);
goto fail;
}
// Try to mount partition
FRESULT fresult = f_mount(fs, drv, 1);
if (fresult != FR_OK) {
ESP_LOGW(TAG, "f_mount failed (%d)", fresult);
if (!(fresult == FR_NO_FILESYSTEM && mount_config->format_if_mount_failed)) {
result = ESP_FAIL;
goto fail;
}
workbuf = malloc(workbuf_size);
ESP_LOGI(TAG, "Formatting FATFS partition");
fresult = f_mkfs(drv, FM_ANY | FM_SFD, workbuf_size, workbuf, workbuf_size);
if (fresult != FR_OK) {
result = ESP_FAIL;
ESP_LOGE(TAG, "f_mkfs failed (%d)", fresult);
goto fail;
}
free(workbuf);
workbuf = NULL;
ESP_LOGI(TAG, "Mounting again");
fresult = f_mount(fs, drv, 0);
if (fresult != FR_OK) {
result = ESP_FAIL;
ESP_LOGE(TAG, "f_mount failed after formatting (%d)", fresult);
goto fail;
}
}
return ESP_OK;
fail:
free(workbuf);
esp_vfs_fat_unregister_path(base_path);
ff_diskio_unregister(pdrv);
return result;
}
static esp_err_t esp_spiffs_init(const esp_vfs_spiffs_conf_t* conf)
{
int index;
//find if such partition is already mounted
if (esp_spiffs_by_label(conf->partition_label, &index) == ESP_OK) {
return ESP_ERR_INVALID_STATE;
}
if (esp_spiffs_get_empty(&index) != ESP_OK) {
ESP_LOGE(TAG, "max mounted partitions reached");
return ESP_ERR_INVALID_STATE;
}
esp_partition_subtype_t subtype = conf->partition_label ?
ESP_PARTITION_SUBTYPE_ANY : ESP_PARTITION_SUBTYPE_DATA_SPIFFS;
const esp_partition_t* partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA,
subtype, conf->partition_label);
if (!partition) {
ESP_LOGE(TAG, "spiffs partition could not be found");
return ESP_ERR_NOT_FOUND;
}
if (partition->encrypted) {
ESP_LOGE(TAG, "spiffs can not run on encrypted partition");
return ESP_ERR_INVALID_STATE;
}
esp_spiffs_t * efs = malloc(sizeof(esp_spiffs_t));
if (efs == NULL) {
ESP_LOGE(TAG, "esp_spiffs could not be malloced");
return ESP_ERR_NO_MEM;
}
memset(efs, 0, sizeof(esp_spiffs_t));
efs->cfg.hal_erase_f = spiffs_api_erase;
efs->cfg.hal_read_f = spiffs_api_read;
efs->cfg.hal_write_f = spiffs_api_write;
efs->cfg.log_block_size = g_rom_flashchip.sector_size;
efs->cfg.log_page_size = g_rom_flashchip.page_size;
efs->cfg.phys_addr = 0;
efs->cfg.phys_erase_block = g_rom_flashchip.sector_size;
efs->cfg.phys_size = partition->size;
efs->by_label = conf->partition_label != NULL;
efs->lock = xSemaphoreCreateMutex();
if (efs->lock == NULL) {
ESP_LOGE(TAG, "mutex lock could not be created");
esp_spiffs_free(&efs);
return ESP_ERR_NO_MEM;
}
efs->fds_sz = conf->max_files * sizeof(spiffs_fd);
efs->fds = malloc(efs->fds_sz);
if (efs->fds == NULL) {
ESP_LOGE(TAG, "fd buffer could not be malloced");
esp_spiffs_free(&efs);
return ESP_ERR_NO_MEM;
}
memset(efs->fds, 0, efs->fds_sz);
#if SPIFFS_CACHE
efs->cache_sz = sizeof(spiffs_cache) + conf->max_files * (sizeof(spiffs_cache_page)
+ efs->cfg.log_page_size);
efs->cache = malloc(efs->cache_sz);
if (efs->cache == NULL) {
ESP_LOGE(TAG, "cache buffer could not be malloced");
esp_spiffs_free(&efs);
return ESP_ERR_NO_MEM;
}
memset(efs->cache, 0, efs->cache_sz);
#endif
const uint32_t work_sz = efs->cfg.log_page_size * 2;
efs->work = malloc(work_sz);
if (efs->work == NULL) {
ESP_LOGE(TAG, "work buffer could not be malloced");
esp_spiffs_free(&efs);
return ESP_ERR_NO_MEM;
}
memset(efs->work, 0, work_sz);
efs->fs = malloc(sizeof(spiffs));
if (efs->fs == NULL) {
ESP_LOGE(TAG, "spiffs could not be malloced");
esp_spiffs_free(&efs);
return ESP_ERR_NO_MEM;
}
memset(efs->fs, 0, sizeof(spiffs));
efs->fs->user_data = (void *)efs;
efs->partition = partition;
s32_t res = SPIFFS_mount(efs->fs, &efs->cfg, efs->work, efs->fds, efs->fds_sz,
efs->cache, efs->cache_sz, spiffs_api_check);
if (conf->format_if_mount_failed && res != SPIFFS_OK) {
ESP_LOGW(TAG, "mount failed, %i. formatting...", SPIFFS_errno(efs->fs));
SPIFFS_clearerr(efs->fs);
res = SPIFFS_format(efs->fs);
if (res != SPIFFS_OK) {
ESP_LOGE(TAG, "format failed, %i", SPIFFS_errno(efs->fs));
SPIFFS_clearerr(efs->fs);
esp_spiffs_free(&efs);
return ESP_FAIL;
}
res = SPIFFS_mount(efs->fs, &efs->cfg, efs->work, efs->fds, efs->fds_sz,
efs->cache, efs->cache_sz, spiffs_api_check);
}
if (res != SPIFFS_OK) {
ESP_LOGE(TAG, "mount failed, %i", SPIFFS_errno(efs->fs));
SPIFFS_clearerr(efs->fs);
esp_spiffs_free(&efs);
return ESP_FAIL;
}
_efs[index] = efs;
return ESP_OK;
}