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Duet2 Wifi PanelDue serial passthrough with Arduino Due

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  • undefined
    dhusolo
    last edited by 30 Jun 2020, 20:37

    Not to hijack but I'm working on something similar. I have a Duet 2 Wifi, Panel Due and 5 inch screen with firmware 2.04. I want to make a G Code Sender with a simple 16 button keypad. Each button will have an assigned G Code to send to the printer. I have spare Arduino Nano, Mini, and ESP8266 so I have some options.

    undefined 1 Reply Last reply 1 Jul 2020, 07:21 Reply Quote 0
    • undefined
      FelixH @dhusolo
      last edited by 1 Jul 2020, 07:21

      @dhusolo if you have a PanelDue, why don't you just create macros??

      undefined 1 Reply Last reply 1 Jul 2020, 14:08 Reply Quote 0
      • undefined
        dhusolo @FelixH
        last edited by 1 Jul 2020, 14:08

        @FelixH I've tried that but with the number of macros needed it would clutter the screen. I feel this would be easier during troubleshooting and I think it'll be pretty useful to others if I can get it working right.

        undefined 1 Reply Last reply 1 Jul 2020, 14:13 Reply Quote 0
        • undefined
          FelixH @dhusolo
          last edited by 1 Jul 2020, 14:13

          @dhusolo said in Duet2 Wifi PanelDue serial passthrough with Arduino Due:

          @FelixH I've tried that but with the number of macros needed it would clutter the screen. I feel this would be easier during troubleshooting and I think it'll be pretty useful to others if I can get it working right.

          I have plenty of macros on my Duet CNC. I de-clutter them by using folders and sub-folders. Not to discourage you ore anything, but your problem has a much easier solution than an external Arduino Gcode sender.

          undefined 1 Reply Last reply 1 Jul 2020, 16:52 Reply Quote 0
          • undefined
            dhusolo @FelixH
            last edited by 1 Jul 2020, 16:52

            @FelixH I completely agree, there's an easier way of doing it. Just sometimes it'd be easier if i had a handheld controller vs having to navigate the touchscreen

            undefined 1 Reply Last reply 1 Jul 2020, 17:08 Reply Quote 0
            • undefined
              FelixH @dhusolo
              last edited by 1 Jul 2020, 17:08

              @dhusolo said in Duet2 Wifi PanelDue serial passthrough with Arduino Due:

              @FelixH I completely agree, there's an easier way of doing it. Just sometimes it'd be easier if i had a handheld controller vs having to navigate the touchscreen

              You can always have a look here:

              https://forum.duet3d.com/topic/11389/cnc-style-pendant/122?_=1593623248420

              remove all the code regarding the pendant (encoders, buttons, etc.) and just set what you want to do. Should be quite doable...

              1 Reply Last reply Reply Quote 0
              • undefined
                Olivimages
                last edited by 21 Jul 2020, 11:10

                Hi all,

                Here is the completed pendant/joystick
                IMG_0441.JPG
                The potentiometer sets the feed speed for manual move
                Left joystick for X and Y
                Right Joystick for Z (up and down) and baby step Z (left and right)
                Button on left joystick set work coordinate X Y to 0 while right joystick button set Z to 0.
                Manual move occurs only when status is "Idle" and not processing.
                Cable used is an ethernet cable with 8 wires, that insert between PanelDue and Duet, so Arduino is powered by Duet 5V.

                I have searched a lot for smooth movements. Pushing maximum joystick sends 5mm move at maximum feed speed.
                Pushing just a bit moves % (from 0 to 100%) of 5mm move and feed speed.
                There is a calculation for the move duration, and send only a new G1 code only when previous move is terminated.
                I can post the code but i need to clean it before.

                undefined 1 Reply Last reply 22 Jul 2020, 01:15 Reply Quote 2
                • undefined
                  dhusolo @Olivimages
                  last edited by 22 Jul 2020, 01:15

                  @Olivimages That's pretty cool. Great job! are you planning on sharing the sketch and wiring diagram? I built a CNC pendant but I'd like to incorporate some of your features into mine.

                  1 Reply Last reply Reply Quote 0
                  • undefined
                    Olivimages
                    last edited by 22 Jul 2020, 08:22

                    Here is the sketch, need to be fine tuned but working very good already.
                    The wiring for serial is on this topic just above, wiring of joystick are on the Analog pins of arduino and buttons on Digital pins.
                    @dhusolo Let me know if you have remarks or improvement on the code, and show us your project.

                    #include <LiquidCrystal_I2C.h>
                    #include <Wire.h>
                    #define COLUMS           20
                    #define ROWS             4
                    #define LCD_SPACE_SYMBOL 0x20  //space symbol from the LCD ROM, see p.9 of GDM2004D datasheet
                    LiquidCrystal_I2C lcd(PCF8574_ADDR_A21_A11_A01, 4, 5, 6, 16, 11, 12, 13, 14, POSITIVE);
                    
                    /*
                      Workbee CNC pendant
                      Duet3d and PanelDue7i
                      Olivier Dessy
                    */
                    
                    int PotX = 0;  // Joystick X reading
                    int PotY = 0;  // Joystick Y reading
                    int PotZ = 0;  // Joystick Z reading
                    int PotZB = 0;  // Joystick Z babystep reading
                    int PotF = 0;  // Potentiometer Feed reading
                    bool ButtonX = 0;  // Button X joystick
                    bool ButtonZ = 0;  // Button Z joystick
                    bool Button1 = 0;  // Button 1
                    bool Button2 = 0;  // Button 2
                    bool Button3 = 0;  // Button 3
                    bool Button4 = 0;  // Button 4
                    bool Button5 = 0;  // Button 5
                    float X = 0.2; // X move
                    float Y = 0.2; // Y move
                    float Z = 0.200; // Z move
                    float ZB = 0.002; // Z babystep move
                    int F = 0;
                    int PotFlcd = 0;
                    String Buffer ="";
                    String Move =""; // Instruction GCODE
                    String Message ="";
                    String Status ="";
                    // I=idle, P=printing from SD card, S=stopped (i.e. needs a reset), C=running config file (i.e starting up), A=paused, D=pausing, R=resuming from a pause, 
                    // B=busy (e.g. running a macro), F=performing firmware update, O=Vin power low
                    unsigned long startMillis;
                    unsigned long currentMillis;
                    unsigned long period=500;
                    
                    void setup() {
                      pinMode(22, INPUT);
                      pinMode(23, INPUT);
                      pinMode(24, INPUT);
                      pinMode(25, INPUT);
                      pinMode(26, INPUT);
                      pinMode(27, INPUT);
                      Serial1.begin(57600); // Serial port to Duet3d
                      Serial2.begin(57600); // Serial port to PanelDue
                      //  Serial1.print("M111 S1 P3\n"); // Start debug mode on USB
                      Serial1.print(F("M575 P1 B57600 S0\n")); // Serial port without checksum for GCode commands
                      Serial.begin(57600); // Programming port of Arduino Due for debug
                      lcd.begin(16,4);
                      lcd.setCursor(0,0);  
                      lcd.print("Feed : ");
                      startMillis=millis(); // Start time
                    }
                    
                    void loop() {
                        if (Buffer.substring(2,8) == "status") { // If status received, extract status
                            Status = Buffer.substring(11,12);
                        }
                        Serial.print(Buffer); // Print received message from Duet3d for debug
                        Buffer="";
                        Readsensor(); // read the value from the sensor:
                        period=(abs((max(abs(X),max(abs(Y),abs(Z+ZB)))/(F)*60.00*1000.00)*0.8)); // Wait for move to be terminated in ms
                        if (abs(PotF-PotFlcd)>25) { // LCD Anti flickering, display only once when changed
                          PotFlcd = PotF;
                          Serial.print(String(PotFlcd));
                          lcd.setCursor(7,0);  
                          lcd.print(String(PotFlcd)+" mm/'   ");
                        }
                        currentMillis=millis();
                    
                        if ((abs(PotX) > 8 || abs(PotY) > 8 || abs(PotZ) > 15 || abs(PotZB) > 15) && (Status !="P") ) { // If one joystick is moved and machine not processing/printing
                            F = PotF*(max(abs(PotX),max(abs(PotY),abs(PotZ)))/512.00); // Feed from 4% to 100% of F proportionnal to PotX 
                            if (F < 150) { F=150; } // Avoid divide by 0  // Feed min 150mm/min max 3500mm/min, from 4% to 100% of F proportionnal to PotX 
                            X = int((PotX)/100.00*10.00)/10.00; // Max potentiometer 512/100 -> X Y move of 5.12 mm max
                            Y = int((PotY)/100.00*10.00)/10.00; 
                            Z = int((PotZ)/5000.000*1000.000)/1000.000; // Max potentiometer 512/5000 -> Z move of 0.10 mm max
                            ZB = int((PotZB)/100000.000*10000.000)/10000.000; // Max potentiometer 512/100000 -> ZB move of 0.005 mm max
                            period=(abs((max(abs(X),max(abs(Y),abs(Z+ZB)))/(F)*60.00*1000.00)*1)); // Wait for move to be terminated in ms
                            if (currentMillis-startMillis>=period) { // Start new move only when move is finished
                              String Move = "G91 G1 X"+String(X)+"Y"+String(Y)+"Z"+String(Z+ZB)+" F"+String(F)+"\n" ;
                              Serial1.print(F("G91\n"));
                              Serial1.print(Move); // GCODE send
                              Serial.println(Status+" start="+String(startMillis)+" current="+String(currentMillis)+" delay="+String(period)+" PotF="+String(PotF)+" Move="+String(Move)); // Debug print
                              startMillis=currentMillis; // Reset delay count for next move
                            }
                        }
                        else {  // If no joystick is moved do serial passthrough between Duet3d and PanelDue
                           // read from port 1, send to port 2, transmit from Duet to PanelDUE
                          while (Serial1.available() > 0) {
                            Buffer = Serial1.readString();
                            Serial2.print(Buffer);
                          }
                          // read from port 2, send to port 1, transmit from PanelDUE tu Duet 
                          while (Serial2.available() > 0) {
                            //    Serial.print(char(Serial2.peek()));
                            Serial1.write(Serial2.read());
                          }
                        }
                    
                    // Read buttons and execute macros    
                    if (ButtonX == LOW ) {
                    Serial1.println("M98 P""0:/macros/Set work X0 Y0""");
                    lcd.setCursor(0,1);
                    lcd.print("Set work X0 Y0  ");
                    delay(1000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    if (ButtonZ == LOW ) {
                    Serial1.println("M98 P""0:/macros/Set work Z0""");
                    lcd.setCursor(0,1);
                    lcd.print("Set work Z0     ");
                    delay(1000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    if (Button1 == HIGH ) {
                    Serial1.println("M98 P""0:/macros/Probe XYZ Left Front 6,35 tool""");
                    lcd.setCursor(0,1);
                    lcd.print("Probe XYZ 6,35  ");
                    delay(2000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    if (Button2 == HIGH ) {
                    Serial1.println("M98 P""0:/macros/Probe Z""");
                    lcd.setCursor(0,1);
                    lcd.print("Probe Z         ");
                    delay(2000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    if (Button3 == HIGH ) {
                    Serial1.println("M98 P""pause.g""");
                    lcd.setCursor(0,1);
                    lcd.print("Pause           ");
                    delay(2000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    if (Button4 == HIGH ) {
                    Serial1.println("M98 P""stop.g""");
                    lcd.setCursor(0,1);
                    lcd.print("Stop            ");
                    delay(2000);
                    lcd.setCursor(0,1);
                    lcd.print("                ");
                    }
                    }
                    void Readsensor() {
                      PotX = map(analogRead(A0),0,1023,-512,512)-8; // Offset of -8 joystick not at 0 at center
                      PotY = map(analogRead(A1),0,1023,-512,512)-5;
                      PotZ = map(analogRead(A2),0,1023,-512,512)+7;
                      PotZB = map(analogRead(A4),0,1023,-512,512);
                      PotF = map(analogRead(A3),0,1023,3500,150); // Feed min 150mm/min max 3500mm/min
                      ButtonX = digitalRead(22);
                      ButtonZ = digitalRead(23);
                      Button1 = digitalRead(24);
                      Button2 = digitalRead(25);
                      Button3 = digitalRead(26);
                      Button4 = digitalRead(27);
                    }
                    
                    undefined 1 Reply Last reply 20 Aug 2020, 23:23 Reply Quote 1
                    • undefined
                      dhusolo @Olivimages
                      last edited by 20 Aug 2020, 23:23

                      @Olivimages Are you using a normal pot(like a 10K/20K) or a rotary encoder?

                      undefined 1 Reply Last reply 21 Aug 2020, 08:18 Reply Quote 0
                      • undefined
                        Olivimages @dhusolo
                        last edited by 21 Aug 2020, 08:18

                        @dhusolo said in Duet2 Wifi PanelDue serial passthrough with Arduino Due:

                        @Olivimages Are you using a normal pot(like a 10K/20K) or a rotary encoder?

                        I used normal pot, these one : https://www.gotronic.fr/art-module-potentiometre-gravity-dfr0054-19304.htm

                        1 Reply Last reply Reply Quote 0
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