added littlefs support

main/fs.c

@@ -1,20 +1,43 @@
 #include "fs.h"
-#include "esp_vfs_fat.h"
+#include "esp_littlefs.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
 
 static const char* TAG = "fs";
 
-/* Console command history can be stored to and loaded from a file.
- * The easiest way to do this is to use FATFS filesystem on top of
- * wear_levelling library.
- */
+// Console command history can be stored to and loaded from a file.
 
 void initialize_filesystem(void) {
-    static wl_handle_t wl_handle;
-    const esp_vfs_fat_mount_config_t mount_config = {.max_files = 4, .format_if_mount_failed = true};
-    const esp_err_t err = esp_vfs_fat_spiflash_mount_rw_wl(MOUNT_PATH, "storage", &mount_config, &wl_handle);
-    if (err != ESP_OK) {
-        ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
-        return;
+    ESP_LOGI(TAG, "Initializing LittleFS");
+
+    esp_vfs_littlefs_conf_t conf = {
+        .base_path = MOUNT_PATH,
+        .partition_label = "storage",
+        .format_if_mount_failed = true,
+        .dont_mount = false,
+    };
+
+    // Use settings defined above to initialize and mount LittleFS filesystem.
+    // Note: esp_vfs_littlefs_register is an all-in-one convenience function.
+    esp_err_t ret = esp_vfs_littlefs_register(&conf);
+
+    if (ret != ESP_OK) {
+        if (ret == ESP_FAIL) {
+            ESP_LOGE(TAG, "Failed to mount or format filesystem");
+        } else if (ret == ESP_ERR_NOT_FOUND) {
+            ESP_LOGE(TAG, "Failed to find LittleFS partition");
+        } else {
+            ESP_LOGE(TAG, "Failed to initialize LittleFS (%s)", esp_err_to_name(ret));
+        }
+        for (int i = 10; i >= 0; i--) {
+            printf("Restarting in %d seconds...\n", i);
+            vTaskDelay(1000 / portTICK_PERIOD_MS);
+        }
+        printf("Restarting now.\n");
+        fflush(stdout);
+        esp_restart();
     }
 }
 

main/main.c

@@ -1,25 +1,16 @@
 #include <stdio.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
-// #include "can.h"
-// #include "fs.h"
-// #include "console.h"
-// #include "xvprintf.h"
+#include "can.h"
+#include "fs.h"
+#include "console.h"
+#include "xvprintf.h"
 
 
 void app_main(void) {
-    printf("Hello world!\n");
-
-    // init_tx_ringbuf();
-    // xTaskCreate(can_task, "can task", 4800, NULL, CONFIG_CAN_TASK_PRIORITY, NULL);
-    // initialize_filesystem();
-    // initialize_console();
-    // xTaskCreate(console_task_interactive, "console tsk int", 8000, NULL, CONFIG_CONSOLE_INT_PRIORITY, NULL);
-    for (int i = 10; i >= 0; i--) {
-        printf("Restarting in %d seconds...\n", i);
-        vTaskDelay(1000 / portTICK_PERIOD_MS);
-    }
-    printf("Restarting now.\n");
-    fflush(stdout);
-    esp_restart();
+    init_tx_ringbuf();
+    xTaskCreate(can_task, "can task", 4800, NULL, CONFIG_CAN_TASK_PRIORITY, NULL);
+    initialize_filesystem();
+    initialize_console();
+    xTaskCreate(console_task_interactive, "console tsk int", 8000, NULL, CONFIG_CONSOLE_INT_PRIORITY, NULL);
 }

partitions.csv

@@ -3,4 +3,5 @@
 nvs,      data, nvs,     0x9000,  0x6000,
 phy_init, data, phy,     0xf000,  0x1000,
 factory,  app,  factory, 0x10000, 1M,
-storage,  data, fat,     ,        1M,
+# rename subtype to littlefs after updating to v5.2
+storage,  data, spiffs,      ,  0xF0000,