a few small changes

index.js
- makeWS: previewBoard: check if canvasNode exists
- makeWS: module found: check order present

pio.ini
- lolin_d32: no boot button
- lolin_s2_mini: boot button is pin0

SysModModel
- delete cleanUpModelDone

data/index.js

@@ -166,7 +166,8 @@ function makeWS() {
       if (buffer[0] == 0) {
         let canvasNode = gId("Pins.board");
         // console.log(buffer, canvasNode);
-        previewBoard(canvasNode, buffer);
+        if (canvasNode)
+          previewBoard(canvasNode, buffer);
       }
       else 
         userFun(buffer);
@@ -193,7 +194,7 @@ function makeWS() {
             if (module.id == json.id)
               found = true;
           }
-          if (!found) {
+          if (!found && json.o) { //initModule done
             model.push((json)); //this is the model
             addModule(json);
           }

platformio.ini

@@ -199,7 +199,7 @@ build_flags =
   ; -DARDUINO_ARCH_ESP32 ; no proof of necessity yet...
   -D CONFIG_IDF_TARGET_ESP32=1
   -D ARDUINO_USB_CDC_ON_BOOT=0 ; Make sure that the right HardwareSerial driver is picked in arduino-esp32 (needed on "classic ESP32")
-  -D STARBASE_BOOT_BUTTON_PIN=0 ; boot pin on the esp32 board, check
+  ; -D STARBASE_BOOT_BUTTON_PIN=0 ; no boot pin found on the board
 lib_deps = 
   ${env.lib_deps}
 
@@ -219,7 +219,7 @@ build_flags =
   -D ARDUINO_USB_MODE=0        ; Make sure that the right HardwareSerial driver is picked in arduino-esp32 (mandatory on -S2)
   ; -D DEBUG=1 -D CORE_DEBUG_LEVEL=1 -D ARDUINOJSON_DEBUG=1 ; for more debug output
   -D STARBASE_LOLIN_WIFI_FIX  ; workaround for LOLIN C3/S2/S3 wifi instability. https://www.wemos.cc/en/latest/c3/c3_mini_1_0_0.html#about-wifi
-  -D STARBASE_BOOT_BUTTON_PIN=18 ;check
+  -D STARBASE_BOOT_BUTTON_PIN=0 ;pin 0 works
 lib_deps = 
   ${env.lib_deps}
 

src/Sys/SysModModel.h

@@ -440,9 +440,6 @@ class SysModModel: public SysModule {
     return round(exp(minv + scale*((float)value-minp)));
   }
 
-private:
-  bool cleanUpModelDone = false;
-
 };
 
 extern SysModModel *mdl;