Heatpump controller

Fredrik Carlsson

Haha yes i have forgotten gw process in the loop. that is corrected now.
Yes i want to know which mqtt address the node has (for example i have 2 temperatures nodes with id MyMQTT/20/ and MyMQTT/21/

hek

It is usually printed in serial monitor at startup .
...or by calling gw.getNodeId();

Fredrik Carlsson

TOUCHDOWN!
Here is working code. Whit this i can with mymqtt android app publish topic MyMQTT/20/1/V_LIGHT with message "1" for heatpump on (with 24 degrees etc etc) and "0" for heatpump off. I have tried it with my Panasonic heatpump and it works.
I also added a little serial string in order to find out node Id (mine was 20 then)

Next step is to increase the different modes.
I was thinking from beginning of only having 5 different "hardcoded" modes that would actually be more then enough for my use, but it would be really nice to send over variables some how instead so you have complete control of the heatpump from OpenHAB (temp, heatingmode etc). I am just not sure about how long messages you can send with the nrf protocol. Must dig into that

Thanks for all the help, as I said I have almost no programming nor Arduino knowledge since before. Just starting out.
// Example sketch showing how to control ir Heatpumps
// An IR LED must be connected to Arduino PWM pin 3.

      #include <Arduino.h>
      #include <FujitsuHeatpumpIR.h>
      #include <PanasonicCKPHeatpumpIR.h>
      #include <PanasonicHeatpumpIR.h>
      #include <CarrierHeatpumpIR.h>
      #include <MideaHeatpumpIR.h>
      #include <MitsubishiHeatpumpIR.h>
      #include <SamsungHeatpumpIR.h>
      #include <MySensor.h>
      #include <SPI.h>
      
      
      
      #define CHILD_1  1  // childId
      
      IRSender irSender(3); // pin where ir diode is sitting
      
      MySensor gw;
      MyMessage msg(CHILD_1, V_VAR1);
      
      HeatpumpIR *heatpumpIR[] = {new PanasonicCKPHeatpumpIR(), new PanasonicDKEHeatpumpIR(), new PanasonicJKEHeatpumpIR(),
                                  new PanasonicNKEHeatpumpIR(), new CarrierHeatpumpIR(), new MideaHeatpumpIR(),
                                  new FujitsuHeatpumpIR(), new MitsubishiFDHeatpumpIR(), new MitsubishiFEHeatpumpIR(),
                                  new SamsungHeatpumpIR(), NULL};
        // will take away everything except PanasonicJKE when everything ready to reduce sketch size
      
      void setup()  
      {  
      
        gw.begin(incomingMessage); // Start listening
      
        // Send the sketch version information to the gateway and Controller
        gw.sendSketchInfo("IR Sensor", "1.0");
      
        // Register a sensors to gw. Use binary light for test purposes.
        gw.present(CHILD_1, S_LIGHT);
        
        Serial.begin(9600); 
        delay(500);
      
        Serial.println(F("Starting"));
        Serial.print("Node Id is set to: ");
        Serial.println(gw.getNodeId());
      }
      
      
      void loop() 
      {
      
        gw.process();
       
      }
      
      
      
      void incomingMessage(const MyMessage &message) {
        // We only expect one type of message from controller. But we better check anyway.
        if (message.type==V_LIGHT) {
           int incomingRelayStatus = message.getInt();
           if (incomingRelayStatus == 1) {
               
                int i = 0; //counter
                prog_char* buf;         
             
              do {
             // Send the same IR command to all supported heatpumps
                      Serial.print(F("Sending IR to "));
                  
                      buf = (prog_char*)heatpumpIR[i]->model();
                      // 'model' is a PROGMEM pointer, so need to write a byte at a time
                      while (char modelChar = pgm_read_byte(buf++))
                      {
                        Serial.print(modelChar);
                      }
                      Serial.print(F(", info: "));
                  
                      buf = (prog_char*)heatpumpIR[i]->info();
                      // 'info' is a PROGMEM pointer, so need to write a byte at a time
                      while (char infoChar = pgm_read_byte(buf++))
                      {
                        Serial.print(infoChar);
                      }
                      Serial.println();
                  
                      // Send the IR command
                      heatpumpIR[i]->send(irSender, POWER_ON, MODE_HEAT, FAN_2, 24, VDIR_UP, HDIR_AUTO);
                      delay(500);
                    }
                      while (heatpumpIR[++i] != NULL);
         
          } else if (incomingRelayStatus == 0) {
                     
                int i = 0; //counter
                prog_char* buf;
           
            do {
                      // Send the same IR command to all supported heatpumps
                      Serial.print(F("Sending IR to "));
                  
                      buf = (prog_char*)heatpumpIR[i]->model();
                      // 'model' is a PROGMEM pointer, so need to write a byte at a time
                      while (char modelChar = pgm_read_byte(buf++))
                      {
                        Serial.print(modelChar);
                      }
                      Serial.print(F(", info: "));
                  
                      buf = (prog_char*)heatpumpIR[i]->info();
                      // 'info' is a PROGMEM pointer, so need to write a byte at a time
                      while (char infoChar = pgm_read_byte(buf++))
                      {
                        Serial.print(infoChar);
                      }
                      Serial.println();
                  
                      // Send the IR command
                      heatpumpIR[i]->send(irSender, POWER_OFF, MODE_HEAT, FAN_2, 24, VDIR_UP, HDIR_AUTO);
                      delay(500);
                    }
                    while (heatpumpIR[++i] != NULL);
       
       }
      }
      }

RJ_Make

@Fredrik-Carlsson

Nice Job!

Fredrik Carlsson

well, i have run into some problems. It doesnt have anything to do with the sketch though. Its either OpenHab or the gateway that is causing headache.

First of all, I have changed the code into this:

            // Example sketch showing how to control ir Heatpumps
            // An IR LED must be connected to Arduino PWM pin 3.
            
            
            #include <Arduino.h>
            #include <PanasonicHeatpumpIR.h>
            #include <MySensor.h>
            #include <SPI.h>
            
            
            
            #define CHILD_1  1  // childId
            
            IRSender irSender(3); // pin where ir diode is sitting
            
            MySensor gw;
            MyMessage msg(CHILD_1, V_VAR1);
            
            HeatpumpIR *heatpumpIR[] = {new PanasonicJKEHeatpumpIR(), NULL};
              // will take away everything except PanasonicJKE when everything ready to reduce sketch size
            
            void setup()  
            {  
            
              gw.begin(incomingMessage); // Start listening
            
              // Send the sketch version information to the gateway and Controller
              gw.sendSketchInfo("IR Sensor", "1.0");
            
              // Register a sensors to gw. Use binary light for test purposes.
              gw.present(CHILD_1, S_HEATER);
              
              Serial.begin(9600); 
              delay(500);
            
              Serial.println(F("Starting"));
              Serial.print("Node Id is set to: ");
              Serial.println(gw.getNodeId());
            }
            
            
            void loop() 
            {
            
              gw.process();
             
            }
            
            
            
            void incomingMessage(const MyMessage &message) {
              // We only expect one type of message from controller. But we better check anyway.
              if (message.type==V_HEATER) {
                 int incomingHeatingStatus = message.getInt();
                 if (incomingHeatingStatus == 0) {
                            heatpumpIR[0]->send(irSender, POWER_OFF, MODE_HEAT, FAN_AUTO, 22, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                    } else if (incomingHeatingStatus == 1) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 21, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 2) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 22, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 3) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 23, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 4) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 24, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 5) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 25, VDIR_AUTO, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 6) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 22, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 7) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_1, 22, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 8) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_3, 22, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 9) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_HEAT, FAN_4, 22, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 10) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_COOL, FAN_AUTO, 18, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 11) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_COOL, FAN_AUTO, 20, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          } else if (incomingHeatingStatus == 12) {
                            heatpumpIR[0]->send(irSender, POWER_ON, MODE_COOL, FAN_AUTO, 22, VDIR_UP, HDIR_AUTO);
                            delay(500);
                            Serial.println("Setting mode to ");
                            Serial.println(incomingHeatingStatus);
                          }
            }
            }

With the Android app MyMQTT I have tried the different modes and all works, Currently the scetch has been up running a couple of days without problems.

The problem is when i try to do this from OpenHAB.
First of all, the Mqtt binding IS working, at least with inbound messages because I have also a couple of temperature sensors and that works fine. But when i try with the following setup the command line of openhab shows: "Heatpump received command ON", but nothing is happening with the arduino. Very strange. Any ideas?

Openhab Item:

       Switch Heatpump (varmesystem,All)      {mqtt=">[mysensor:MyMQTT/20/1/V_HEATER:command:ON:1],>      [mysensor:MyMQTT/20/1/V_HEATER:command:OFF:0]"}

OpenHAB Sitemap:

     Switch item=Heatpump label="Värmepump"

Any ideas what is going wrong?

Fredrik Carlsson

Well, after a few restarts of both the node, the gateway and openhab it suddenly works.

johnr

Hi,

Thank you for the inspiration. I skuld like to use this to control my Daikin heatpump in my cabin. Unfortunatley I am not able to travel there for I while to access the remote. I think I need it to analyze the signal since Daikin is not supported by the library you used.

I am thinking just two buttons (on 22 degrees/ on 10 degrees)

Did you stumble over any Daikin codes while working on this project?

Maybe it is possible to use the code these guys decoded http://www.hifi-remote.com/forums/viewtopic.php?t=11769

Fredrik Carlsson

Hello
nice that you cna use it for something :)
Sorry, I have no idea regarding Daikin, but if you build sometihng to record the codes with maybe you can figure it out and just add that to the library somehow?

Anyway, i have thought more about this and i do actually want to be able to make it a little smarter than the code above.
It would be nice if its possible to send a whole string direct from the controller. ie "send(irSender, POWER_ON, MODE_HEAT, FAN_AUTO, 21, VDIR_AUTO, HDIR_AUTO)" Then I can on the controller side make all the logic and that way have complete control of how the heatpump behaves.

I have tried to search a little, but can not find any concrete answer. How big is the maximum size of the payload you can send with this library?

hek

Answer in big blue box here:
http://www.mysensors.org/build/serial_api

25 bytes.

DirkB19

@johnr

I'm taking my first steps with IR sender/receiver because I'm also looking for controlling my DAIKIN heatpump.
I assembled IR receiver, IR sender and nano and loaded From the examples IR Sender/Receiver sketch.
It works with the remote of my Samsung TV, which it recognises as NEC.
Daikin is not recognized.
My Panasonic TV remote is not recognized.
My Telenet Set-Top box remote is not recognized.
I guess there is a IRlib for Panasonic, right ?

Thx, guys !

ToniA

Nice to see that my little HeatpumpIR library made it all the way here :)

I'm also quite new to MySensors, I actually just started today, I've had all the necessary hardware on my table for some weeks now... My goal is to power a (physically) small MySensors device directly from the Panasonic heatpump, and hide everything within the indoor unit's covers, and have it fully controlled by Domoticz. There's quite a bit of work to do, as for example Domoticz does not have a suitable devuce type yet.

And how about MySensors, I'm still quite a newbie on the messaging schema... Is there a schema which could be used to communicate all of these within the same message:

ON/OFF information (0 or 1)
Temperature information (integer from 8 to 30)
Fan speed information (integer from 0 to 5)
Mode information (COOL, HEAT etc. i.e. integer from 0 to 6)

What comes to Daikin, it would probably be quite easy to add it into the HeatpumpIR code, provided that I could borrow the remote controller for a while. Or, if somebody else could decode the protocol.

johnr

ToniA,

Where are you based? I maybe can send you my remote, if I am sure to get it back ;)
I think it will be a challenge to send all the information with only 25 bytes.

ToniA

In live in Finland...

I now have the HeatpumpIR working together with Domoticz, so that I can also define which commands to send from Domoticz. And yes, 24 bits is plenty enough :)

https://github.com/ToniA/arduino-heatpumpir/tree/master/examples/MySensorsNode

@johnr, do you happen to have an infrared receiver module? If you do, I could assist you in decoding the protocol. This is how I for example got the Mitsubishi protocol decoded, I've never had a Mitsubishi remote controller myself...

hek

Wow, great job @ToniA

Would you consider creating a pull request with the example and HeatpumpIR library when you feel finished?

ToniA

@hek, I created pull request #211. I think it's good enough, the challenges are really on the Domoticz side.

hek

Thanks, I'll take a look!

ToniA

I finally managed to get rid of all compiler warnings :) I must say I like your CI build system, I'm also running Jenkins at work, actually running the build system on Jenkins is my primary job at the moment...

So the heatpump IR sender node is now one of the examples on the MySensors 'development' branch.

hek

Thanks for the work you've put into the HeatpumpIR library,

All creds go to @Anticimex who did the setup of the headless Arduino IDE builder in Jenkins. Messy business to get it right ;)

But it is really nice to get intant compiler feedback on changes and pull requests for different platforms and boards.

johnr

ToniA, I can collect the Daikin remote from my cabin during next week. I have the following IR-reciever, is it enough to decode it per your instructions?

http://www.ebay.com/itm/380746925201?rmvSB=true

ToniA

Yes, I think it would work. I have used this piece of software to decode the bits from the remote.

If you have any heatpump/AC remotes at hand, you could try it out already now. It should also work with TV remotes etc. The only thing is that you might need to adjust the limits it's using to tell the one's and zero's apart.

Heatpump controller

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