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lv_fs_arduino_esp_littlefs.cpp

#if LV_FS_ARDUINO_ESP_LITTLEFS_LETTER == '\0' #error "LV_FS_ARDUINO_ESP_LITTLEFS_LETTER must be set to a valid value" static void * fs_open(lv_fs_drv_t * drv, const ...
GitHub

lv_fs_arduino_sd.cpp

#warning LV_FS_ARDUINO_SD_LETTER should be an upper case ASCII letter. \ static void * fs_open(lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode); static lv_fs_res_t fs_close(lv_fs_drv_t * drv, ...