diff -r cf91a3a20d0d -r 7b134c27fadb main/files.c
--- a/main/files.c	Sun May 19 21:05:07 2019 +0200
+++ b/main/files.c	Mon Jul 01 23:15:49 2019 +0200
@@ -45,7 +45,7 @@
 	closedir(dir);
     }
 
-    Buttons_Add(130, 200, 60, 40, "Ok", 0);
+    Buttons_Add(130, 200, 60, 40, (char *)"Ok", 0);
     Buttons[0].dark = true;
     Buttons_Show();
 
@@ -91,11 +91,11 @@
 
     switch (Main_Screen) {
 	case MAIN_TOOLS_FILES:
-			TopMessage("Bestanden menu");
-			Buttons_Add( 20, 40,120, 40, "Restore", 0);
-			Buttons_Add(180, 40,120, 40, "Backup", 1);
-			Buttons_Add( 20,120,120, 40, "Directory", 2);
-			Buttons_Add(130, 200, 60, 40, "Ok", 3);
+			TopMessage((char *)"Bestanden menu");
+			Buttons_Add( 20, 40,120, 40, (char *)"Restore", 0);
+			Buttons_Add(180, 40,120, 40, (char *)"Backup", 1);
+			Buttons_Add( 20,120,120, 40, (char *)"Directory", 2);
+			Buttons_Add(130, 200, 60, 40, (char *)"Ok", 3);
 			Buttons[3].dark = true;
 			Buttons_Show();
 			break;
@@ -106,11 +106,11 @@
 	case MAIN_TOOLS_FILES_RESTORE:
 	case MAIN_TOOLS_FILES_BACKUP:
 			if (Main_Screen == MAIN_TOOLS_FILES_RESTORE)
-			    TopMessage("Restore database");
+			    TopMessage((char *)"Restore database");
 			else
-			    TopMessage("Backup database");
-			Buttons_Add( 40, 100, 80, 40, "Start", 0);
-			Buttons_Add(200, 100, 80, 40, "Stop",  1);
+			    TopMessage((char *)"Backup database");
+			Buttons_Add( 40, 100, 80, 40, (char *)"Start", 0);
+			Buttons_Add(200, 100, 80, 40, (char *)"Stop",  1);
 			Buttons[1].dark = true;
 			Buttons_Show();
 			SoundPlay(SOUND_Prompt);
@@ -138,16 +138,16 @@
 			if (Main_Screen == MAIN_TOOLS_FILES_RESTORE) {
 			    ESP_LOGI(TAG, "Restore database");
 			    TFT_setFont(DEJAVU18_FONT, NULL);
-			    TFT_print("Backup:\r\n", 0, 30);
+			    TFT_print((char *)"Backup:\r\n", 0, 30);
 			    _fg = TFT_CYAN;
-			    FCopy("/sdcard/etc/", "/spiffs/etc/", "config.conf");
-			    FCopy("/sdcard/etc/", "/spiffs/etc/", "recipe.conf");
-			    FCopy("/sdcard/etc/", "/spiffs/etc/", "equipments.conf");
-			    FCopy("/sdcard/etc/", "/spiffs/etc/", "stations.conf");
-			    FCopy("/sdcard/etc/", "/spiffs/etc/", "runtime.conf");
+			    FCopy((char *)"/sdcard/etc/", (char *)"/spiffs/etc/", (char *)"config.conf");
+			    FCopy((char *)"/sdcard/etc/", (char *)"/spiffs/etc/", (char *)"recipe.conf");
+			    FCopy((char *)"/sdcard/etc/", (char *)"/spiffs/etc/", (char *)"equipments.conf");
+			    FCopy((char *)"/sdcard/etc/", (char *)"/spiffs/etc/", (char *)"stations.conf");
+			    FCopy((char *)"/sdcard/etc/", (char *)"/spiffs/etc/", (char *)"runtime.conf");
 			    _fg = TFT_YELLOW;
 			    TFT_setFont(DEJAVU24_FONT, NULL);
-			    TFT_print("Restore gereed, reset!", CENTER, LASTY + 12);
+			    TFT_print((char *)"Restore gereed, reset!", CENTER, LASTY + 12);
 			    vTaskDelay(2000 / portTICK_PERIOD_MS);
 			    esp_restart();
 			} else {
@@ -157,25 +157,25 @@
 				dir = opendir("/sdcard/etc");
 			    }
 			    if (dir == NULL) {
-				TFT_print("SD kaart fout", CENTER, CENTER);
+				TFT_print((char *)"SD kaart fout", CENTER, CENTER);
 			    } else {
 				closedir(dir);
 				ESP_LOGI(TAG, "Backup database");
 				TFT_setFont(DEJAVU18_FONT, NULL);
-				TFT_print("Backup:\r\n", 0, 30);
+				TFT_print((char *)"Backup:\r\n", 0, 30);
 				_fg = TFT_CYAN;
-				FCopy("/spiffs/etc/", "/sdcard/etc/", "config.conf");
-				FCopy("/spiffs/etc/", "/sdcard/etc/", "recipe.conf");
-				FCopy("/spiffs/etc/", "/sdcard/etc/", "equipments.conf");
-				FCopy("/spiffs/etc/", "/sdcard/etc/", "stations.conf");
-				FCopy("/spiffs/etc/", "/sdcard/etc/", "runtime.conf");
+				FCopy((char *)"/spiffs/etc/", (char *)"/sdcard/etc/", (char *)"config.conf");
+				FCopy((char *)"/spiffs/etc/", (char *)"/sdcard/etc/", (char *)"recipe.conf");
+				FCopy((char *)"/spiffs/etc/", (char *)"/sdcard/etc/", (char *)"equipments.conf");
+				FCopy((char *)"/spiffs/etc/", (char *)"/sdcard/etc/", (char *)"stations.conf");
+				FCopy((char *)"/spiffs/etc/", (char *)"/sdcard/etc/", (char *)"runtime.conf");
 				_fg = TFT_YELLOW;
 				TFT_setFont(DEJAVU24_FONT, NULL);
-			    	TFT_print("Backup gereed.", CENTER, LASTY + 12);
+			    	TFT_print((char *)"Backup gereed.", CENTER, LASTY + 12);
 			    }
 			}
 
-			Buttons_Add(130, 200, 60, 40, "Ok", 0);
+			Buttons_Add(130, 200, 60, 40, (char *)"Ok", 0);
 			Buttons[0].dark = true;
 			Buttons_Show();
 			break;
@@ -210,8 +210,8 @@
 			break;
 
 	case MAIN_TOOLS_FILES_DIR:
-			Files_Dir("/sdcard/recipe");
-			Files_Dir("/sdcard/w/log");
+			Files_Dir((char *)"/sdcard/recipe");
+			Files_Dir((char *)"/sdcard/w/log");
 			Main_Screen = MAIN_TOOLS_FILES;
 			break;