Prepare LVFS support for /sdcard

include/lv_conf_v7.h

@@ -211,7 +211,7 @@ typedef void* lv_group_user_data_t;
 #define LV_USE_FILESYSTEM       1
 #if LV_USE_FILESYSTEM
 /*Declare the type of the user data of file system drivers (can be e.g. `void *`, `int`, `struct`)*/
-typedef void* lv_fs_drv_user_data_t;
+typedef const char* lv_fs_drv_user_data_t;
 
 /*File system interface*/
 #ifndef LV_USE_FS_IF
@@ -229,7 +229,7 @@ typedef void* lv_fs_drv_user_data_t;
 //#  define LV_FS_IF_SPIFFS   '\0'  // no internal esp Flash
 #endif
 #endif  /*LV_USE_FS_IF*/
-#if HASP_TARGET_ARDUINO
+#if HASP_TARGET_ARDUINO && !defined(LV_FS_PC_PATH)
 #define LV_FS_PC_PATH "/littlefs"
 #endif
 

lib/lv_fs_if/lv_fs_if.c

@@ -14,6 +14,13 @@
 /*********************
  *      DEFINES
  *********************/
+#ifndef LV_FS_PC_PATH
+#ifndef WIN32
+#define LV_FS_PC_PATH "./" /*Project root*/
+#else
+#define LV_FS_PC_PATH ".\\" /*Project root*/
+#endif
+#endif /*LV_FS_PATH*/
 
 /**********************
  *      TYPEDEFS
@@ -26,8 +33,8 @@
 void lv_fs_if_fatfs_init(void);
 #endif
 
-#if LV_FS_IF_PC != '\0'
-void lv_fs_if_pc_init(void);
+#if LV_FS_IF_PC != '\0' || LV_FS_IF_SD != '\0'
+void lv_fs_if_pc_init(char letter, const char* path);
 #endif
 
 /**********************
@@ -52,9 +59,12 @@ void lv_fs_if_init(void)
 #endif
 
 #if LV_FS_IF_PC != '\0'
-	lv_fs_if_pc_init();
+    lv_fs_if_pc_init(LV_FS_IF_PC, LV_FS_PC_PATH);
 #endif
 
+#if LV_FS_IF_SD != '\0'
+    lv_fs_if_pc_init(LV_FS_IF_SD, LV_FS_SD_PATH);
+#endif
 }
 
 /**********************

lib/lv_fs_if/lv_fs_pc.c

@@ -19,17 +19,6 @@
 #include <windows.h>
 #endif
 
-/*********************
- *      DEFINES
- *********************/
-#ifndef LV_FS_PC_PATH
-#ifndef WIN32
-#define LV_FS_PC_PATH "./" /*Projet root*/
-#else
-#define LV_FS_PC_PATH ".\\" /*Projet root*/
-#endif
-#endif /*LV_FS_PATH*/
-
 /**********************
  *      TYPEDEFS
  **********************/
@@ -77,7 +66,7 @@ static lv_fs_res_t fs_dir_close(lv_fs_drv_t* drv, void* dir_p);
 /**
  * Register a driver for the File system interface
  */
-void lv_fs_if_pc_init(void)
+void lv_fs_if_pc_init(char letter, const char* path)
 {
     /*---------------------------------------------------
      * Register the file system interface  in LittlevGL
@@ -107,6 +96,8 @@ void lv_fs_if_pc_init(void)
     fs_drv.dir_open_cb  = fs_dir_open;
     fs_drv.dir_read_cb  = fs_dir_read;
 
+    fs_drv.user_data = LV_FS_PC_PATH;
+
     lv_fs_drv_register(&fs_drv);
 
     // char cur_path[512] = "";
@@ -145,10 +136,10 @@ static lv_fs_res_t fs_open(lv_fs_drv_t* drv, void* file_p, const char* path, lv_
 
 #ifndef WIN32
     char buf[256];
-    sprintf(buf, LV_FS_PC_PATH "/%s", path);
+    sprintf(buf, "%s/%s", drv->user_data, path);
 #else
     char buf[256];
-    sprintf(buf, LV_FS_PC_PATH "\\%s", path);
+    sprintf(buf, "%s\\%s", drv->user_data, path);
 #endif
 
     LV_LOG_USER(buf);
@@ -255,6 +246,7 @@ static lv_fs_res_t fs_size(lv_fs_drv_t* drv, void* file_p, uint32_t* size_p)
 
     return LV_FS_RES_OK;
 }
+
 /**
  * Give the position of the read write pointer
  * @param drv pointer to a driver where this function belongs
@@ -318,8 +310,8 @@ static lv_fs_res_t fs_rename(lv_fs_drv_t* drv, const char* oldname, const char*
     static char new[512];
     static char old[512];
 
-    sprintf(old, LV_FS_PC_PATH "/%s", oldname);
-    sprintf(new, LV_FS_PC_PATH "/%s", newname);
+    sprintf(old, "%s/%s", drv->user_data, oldname);
+    sprintf(new, "%s/%s", drv->user_data, newname);
 
     int r = rename(old, new);
 
@@ -365,7 +357,7 @@ static lv_fs_res_t fs_dir_open(lv_fs_drv_t* drv, void* dir_p, const char* path)
 #ifndef WIN32
     /*Make the path relative to the current directory (the projects root folder)*/
     char buf[256];
-    sprintf(buf, LV_FS_PC_PATH "/%s", path);
+    sprintf(buf, "%s/%s", drv->user_data, path);
     if((d = opendir(buf)) == NULL) {
         return LV_FS_RES_FS_ERR;
     } else {
@@ -380,7 +372,7 @@ static lv_fs_res_t fs_dir_open(lv_fs_drv_t* drv, void* dir_p, const char* path)
 
     /*Make the path relative to the current directory (the projects root folder)*/
     char buf[256];
-    sprintf(buf, LV_FS_PC_PATH "\\%s\\*", path);
+    sprintf(buf, "%s\\%s\\*", drv->user_data, path);
 
     strcpy(next_fn, "");
     d = FindFirstFile(buf, &fdata);

user_setups/esp32/_esp32.ini

@@ -45,7 +45,7 @@ build_flags =
     -D LV_ATTRIBUTE_FAST_MEM=IRAM_ATTR
     -D LV_ATTRIBUTE_TASK_HANDLER=IRAM_ATTR
     -D LV_USE_FS_IF=1
-    ;-D LV_FS_PC_PATH="//littlefs"   ; this needs to match the vfs mount pount
+    -D LV_FS_PC_PATH='"/littlefs"'  ; this needs to match the vfs mount pount
 ; -- ArduinoJson build options ----------------------------
     -D ARDUINOJSON_ENABLE_PROGMEM=1 ; for PROGMEM arguments
 ; -- tft_espi build options ------------------------

user_setups/esp32s2/_esp32s2.ini

@@ -15,7 +15,7 @@ build_flags =
     -D LV_ATTRIBUTE_FAST_MEM=
     -D LV_ATTRIBUTE_TASK_HANDLER=IRAM_ATTR
     -D LV_USE_FS_IF=1
-    ;-D LV_FS_PC_PATH="//littlefs"   ; this needs to match the vfs mount pount
+    -D LV_FS_PC_PATH='"/littlefs"'  ; this needs to match the vfs mount pount
 ; -- ArduinoJson build options ----------------------------
     -D ARDUINOJSON_ENABLE_PROGMEM=1 ; for PROGMEM arguments
 ; -- tft_espi build options ------------------------