add spiffs

bsp/esp32_s3_korvo_1/CMakeLists.txt

@@ -9,4 +9,5 @@ idf_component_register(
     SRCS "esp32_s3_korvo_1.c" ${SRC_VER}
     INCLUDE_DIRS "include"
     PRIV_INCLUDE_DIRS "priv_include"
+    REQUIRES spiffs
 )

bsp/esp32_s3_korvo_1/esp32_s3_korvo_1.c

@@ -11,8 +11,9 @@
 #include "iot_button.h"
 #include "bsp/esp-bsp.h"
 #include "bsp_err_check.h"
+#include "esp_spiffs.h"
 
-static const char *TAG = "ESP32-S3-Korvo-1";
+static const char *TAG = "S3-Korvo-1";
 
 static led_strip_handle_t led_strip;
 
@@ -155,3 +156,36 @@ esp_err_t bsp_led_rgb_set(uint8_t r, uint8_t g, uint8_t b)
     ret |= led_strip_refresh(led_strip);
     return ret;
 }
+
+esp_err_t bsp_spiffs_mount(void)
+{
+    esp_vfs_spiffs_conf_t conf = {
+        .base_path = CONFIG_BSP_SPIFFS_MOUNT_POINT,
+        .partition_label = CONFIG_BSP_SPIFFS_PARTITION_LABEL,
+        .max_files = CONFIG_BSP_SPIFFS_MAX_FILES,
+#ifdef CONFIG_BSP_SPIFFS_FORMAT_ON_MOUNT_FAIL
+        .format_if_mount_failed = true,
+#else
+        .format_if_mount_failed = false,
+#endif
+    };
+
+    esp_err_t ret_val = esp_vfs_spiffs_register(&conf);
+
+    BSP_ERROR_CHECK_RETURN_ERR(ret_val);
+
+    size_t total = 0, used = 0;
+    ret_val = esp_spiffs_info(conf.partition_label, &total, &used);
+    if (ret_val != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to get SPIFFS partition information (%s)", esp_err_to_name(ret_val));
+    } else {
+        ESP_LOGI(TAG, "Partition size: total: %d, used: %d", total, used);
+    }
+
+    return ret_val;
+}
+
+esp_err_t bsp_spiffs_unmount(void)
+{
+    return esp_vfs_spiffs_unregister(CONFIG_BSP_SPIFFS_PARTITION_LABEL);
+}

bsp/esp32_s3_korvo_1/include/bsp/esp32_s3_korvo_1.h

@@ -115,6 +115,44 @@ esp_err_t bsp_led_init();
  */
 esp_err_t bsp_led_rgb_set(uint8_t r, uint8_t g, uint8_t b);
 
+/**************************************************************************************************
+ *
+ * SPIFFS
+ *
+ * After mounting the SPIFFS, it can be accessed with stdio functions ie.:
+ * \code{.c}
+ * FILE* f = fopen(BSP_SPIFFS_MOUNT_POINT"/hello.txt", "w");
+ * fprintf(f, "Hello World!\n");
+ * fclose(f);
+ * \endcode
+ **************************************************************************************************/
+#define BSP_SPIFFS_MOUNT_POINT      CONFIG_BSP_SPIFFS_MOUNT_POINT
+
+/**
+ * @brief Mount SPIFFS to virtual file system
+ *
+ * @return
+ *      - ESP_OK on success
+ *      - ESP_ERR_INVALID_STATE if esp_vfs_spiffs_register was already called
+ *      - ESP_ERR_NO_MEM if memory can not be allocated
+ *      - ESP_FAIL if partition can not be mounted
+ *      - other error codes
+ */
+esp_err_t bsp_spiffs_mount(void);
+
+/**
+ * @brief Unmount SPIFFS from virtual file system
+ *
+ * @return
+ *      - ESP_OK on success
+ *      - ESP_ERR_NOT_FOUND if the partition table does not contain SPIFFS partition with given label
+ *      - ESP_ERR_INVALID_STATE if esp_vfs_spiffs_unregister was already called
+ *      - ESP_ERR_NO_MEM if memory can not be allocated
+ *      - ESP_FAIL if partition can not be mounted
+ *      - other error codes
+ */
+esp_err_t bsp_spiffs_unmount(void);
+
 #ifdef __cplusplus
 }
 #endif