Unable to get relay status from Domoticz

sineverba

Starting from relay example and @Boots33 synchronising light switch (https://forum.mysensors.org/topic/6948/synchronising-light-switch) I'm arranging a node with a DS18B20 +relay (simple thermostat).

My issue is that I cannot receive the relay status from controller (Domoticz). Looking with log parser, seems to me that PAYLOAD is empty.

This is in effect the log:

6480 TSF:MSG:SEND,10-10-0-0,s=1,c=2,t=2,pt=0,l=0,sg=1,ft=0,st=OK:
6496 TSF:MSG:SEND,10-10-0-0,s=1,c=3,t=16,pt=0,l=0,sg=1,ft=0,st=OK:
6625 TSF:MSG:READ,0-0-10,s=255,c=3,t=17,pt=6,l=25,sg=1:427C42AE0562164806668CEBC26347BE1A113516C9C14F345A
6723 TSF:MSG:SEND,10-10-0-0,s=1,c=2,t=2,pt=0,l=0,sg=1,ft=0,st=OK:
9059 TSF:MSG:READ,0-0-10,s=255,c=3,t=17,pt=6,l=25,sg=1:499D2360929A82BB0BB9B0C47873D3E460ADF357B2DECAA3F4
9153 TSF:MSG:SEND,10-10-0-0,s=0,c=1,t=0,pt=7,l=5,sg=1,ft=0,st=OK:29.5
180163 TSF:MSG:READ,0-0-10,s=1,c=3,t=16,pt=0,l=0,sg=1:
180185 TSF:MSG:SEND,10-10-0-0,s=255,c=3,t=17,pt=6,l=25,sg=1,ft=0,st=OK:F62E5E036965BB68EEE8797C8E9F12AA8C935F0C49F4359DFB
180329 TSF:MSG:READ,0-0-10,s=1,c=1,t=2,pt=0,l=1,sg=1:0
180428 TSF:MSG:SEND,10-10-0-0,s=1,c=1,t=2,pt=0,l=1,sg=0,ft=0,st=OK:0
241998 TSF:MSG:READ,0-0-10,s=1,c=3,t=16,pt=0,l=0,sg=1:
242184 TSF:MSG:READ,0-0-10,s=1,c=1,t=2,pt=0,l=1,sg=1:1
242284 TSF:MSG:SEND,10-10-0-0,s=1,c=1,t=2,pt=0,l=1,sg=0,ft=0,st=OK:1

And payload seems totally empty.

Another one thing, neither I read in serial monitor the debug section println

case C_REQ:                                             // message is a returning request from controller
        Serial.print("Incoming request. The request_state is now: ");

Seems never executed the case "C_REQ".

If Domoticz sends command to poweron (or poweroff) the relay, all works like a charme. I would simply get the state of relay viewed on Domoticz.

This is the script (my relay module is powered when PIN goes LOW; for this you see the "inverted" in #define section)

/**
 * Sketch for a relay + termostat.
 * 
 * In test from 11/08/2017
 * 
 * @version 2.0
 * 
 */

/**
 * DEFINE MYSENSORS SECTION
 */
#define MY_DEBUG                    // Enable Basic Debug
//#define MY_DEBUG_VERBOSE_SIGNING    // Enable Signing Debug
#define MY_RADIO_NRF24
#define MY_SIGNING_SOFT
#define MY_SIGNING_SOFT_RANDOMSEED_PIN 7
#define MY_SIGNING_REQUEST_SIGNATURES
#define MY_SIGNING_NODE_WHITELISTING {{.nodeId = GATEWAY_ADDRESS,.serial = {0x3B,0xF4,0x61,0xFF,0xFF,0x97,0xB1,0xFF,0xEC}}}
#define MY_NODE_ID 10               // Default ID
#define MY_DEFAULT_LED_BLINK_PERIOD 300
#define MY_WITH_LEDS_BLINKING_INVERSE
#define MY_DEFAULT_ERR_LED_PIN 16
#define MY_DEFAULT_TX_LED_PIN 17
#define MY_DEFAULT_RX_LED_PIN 18

/**
 * Include libraries
 */
#include <SPI.h>
#include <MySensors.h>  
#include <DallasTemperature.h>
#include <OneWire.h>

/**
 * Define section.
 * 
 *    // NAME
 */
#define SKETCH_NAME       "Termostato+Relay"
#define SKETCH_VERSION    "2.0"

    //  PIN
#define PIN_DS18B20       2
#define PIN_RELAY         3
#define PIN_LED_STATUS    19

    //  CHILD ID
#define CHILD_ID_TEMP     0
#define CHILD_ID_RELAY    1

    //  RELAY SECTION
#define RELAY_ON          0   // if inverted, invert here
#define RELAY_OFF         1   // if inverted, invert here

    //  WAITs TIMES
#define WAIT_LOOPS        5  // The status led flashes ON 10 ms and OFF 4990 ms == 5000 ms of loop. 5000 * WAIT_LOOPS = number of cycles before new read. 60 == 5 minutes
#define WAIT_RETURN       1500  //  Milliseconds to wait for returns from gateway

/**
 * Various variable
 */
bool is_first_loop = true;
bool request_state;
bool state = false; // the current state of relay
bool uplink_available = true;
unsigned long uplink_check_time;                // holder for uplink checks
unsigned long uplink_check_period = 30*1000;     // time between checks for uplink in milliseconds

/*
 * One Wire Section
 */
OneWire oneWire(PIN_DS18B20); // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
DallasTemperature sensors(&oneWire); // Pass the oneWire reference to Dallas Temperature.

/**
 * Mysensors message
 */
// Initialize temperature message
MyMessage msg_temperature(CHILD_ID_TEMP , V_TEMP);
// Initialize relay message
MyMessage msg_relay(CHILD_ID_RELAY , V_STATUS);

/**
 * Before class
 */
void before() {
  // Startup up the OneWire library
  sensors.begin();
}

/**
 * Presentation.
 * 
 * Presents the child to the controller
 */
void presentation() {

  // send sketch name
  sendSketchInfo(SKETCH_NAME , SKETCH_VERSION);
  // Present all sensors to controller.
  // TEMPERATURE
  present(CHILD_ID_TEMP, S_TEMP);
  // RELAY
  present(CHILD_ID_RELAY , S_BINARY);
  
}

/**
 * Our Setup
 */

void setup() {

  // SETUP LED STATUS
    // Set the LED STATUS as OUTPUT and shutdown it.
  pinMode(PIN_LED_STATUS , OUTPUT);
  digitalWrite(PIN_LED_STATUS , LOW);

  // SETUP RELAY
    // Set the RELAY PIN as OUTPUT and LOW
  pinMode(PIN_RELAY , OUTPUT);
  digitalWrite(PIN_RELAY , RELAY_OFF);

  // initialize sensors
  sensors.setWaitForConversion(false);
  
}


/**
 * Our loop
 */
void loop() {

  Serial.println("-------------- DEBUG loop() ---------------");
  Serial.print("Value of is_first_loop is ");
  Serial.println(is_first_loop);
  Serial.println("-------------------------------------------");
  
  if ( is_first_loop == true ) {

    // request state of relay to the controller;
    getStateFromController();

    // set is_first_loop = false;
    is_first_loop = false;
  }

  // executed the reading
  loopTemperature();
  
  // light the status led... so wait
  lightLedStatus();
  
}

/*
 * Get the state of relay from controller.
 * Executed once at first loop.
 * 
 * @since 2.0
 */
void getStateFromController() {

  Serial.println("-------------- DEBUG getStateFromController() ---------------");

  

  if (request( CHILD_ID_RELAY , V_STATUS)) {       // request the current state of the switch on the controller and check that an ack was received

    Serial.print("request( CHILD_ID_RELAY , V_STATUS) value is ");
    Serial.print(request( CHILD_ID_RELAY , V_STATUS));
    Serial.println("Uplink available!");
    wait (WAIT_RETURN);
    Serial.print("Relay in controller is marked as ");
   /*
    * THIS IS FOREVER FALSE == 0 :( 
   */
    Serial.println(request_state);
    if (request_state != state) {      // check that controller is corectly showing the current relay state
        send(msg_relay.set(state), false);  // notify controller of current state
    }
  } else {
    Serial.println("! ERROR uplink is not available!");
    uplink_available = false;               // no uplink established
    uplink_check_time = millis();
  }

  Serial.println("-------------------------------------------------------------");
  
}

/**
 * Loop temperature.
 * Executed inside loop()
 * 
 * @since 2.0
 */
void loopTemperature() {

  // Fetch temperatures from Dallas sensors
  // we need sensors.requestTemperatures() to NO BLOCK THE THREAD!!!
  sensors.requestTemperatures();
  float temperature = readTemperature();
  Serial.println("-------------- DEBUG loopTemperature() ---------------");
  Serial.print("Temperature is now ");
  Serial.println(temperature);
  Serial.println("------------------------------------------------------");

  sendTemperatureToController(temperature);
  
}

/************************************************/
/****       VARIOUS FUNCTION TO SUPPORT     *****/
/************************************************/

/**
 * Receive function
 * 
 * @since 2.0
 */
void receive(const MyMessage &msg_relay) {

  Serial.println("-------------- DEBUG receive() ---------------");
  
  if (msg_relay.type == V_STATUS) {                                   // check to see if incoming message is for a switch
    switch (msg_relay.getCommand()) {                                 // message.getCommand will give us the command type of the incomming message
      case C_SET:                                                   //message is a set command  from controller to update relay state
        state = msg_relay.getBool();                                  // get the new state
        digitalWrite(PIN_RELAY, state ? RELAY_ON : RELAY_OFF);      // switch relay to new state
        uplink_available = true;                                     //  uplink established
        Serial.print("Incoming change for sensor:");
        Serial.print(msg_relay.sensor);
        Serial.print(", New status: ");
        Serial.println(msg_relay.getBool());
        break;
      case C_REQ:                                             // message is a returning request from controller
        Serial.print("Incoming request. The request_state is now: ");
        request_state = msg_relay.getBool();                       // update requestState with returning state
        Serial.println(request_state);
        break;
    }
  }

  Serial.println("--------------------------------------------");
}

/**
 * Read the temperature from DS18B20
 * 
 * @since 2.0
 */
float readTemperature() {

  // query conversion time and sleep until conversion completed
  int16_t conversionTime = millisToWaitForConversion(sensors.getResolution());
  wait(conversionTime);

  // Read temperatures and send them to controller 
  // Fetch and round temperature to one decimal
  float temperature = static_cast<float>(static_cast<int>((getControllerConfig().isMetric?sensors.getTempCByIndex(CHILD_ID_TEMP):sensors.getTempFByIndex(CHILD_ID_TEMP)) * 10.)) / 10.;

  return temperature;
  
}

/**
 * Get the millis to wait before reading based on resolution.
 * 
 * @since 2.0
 */

int16_t millisToWaitForConversion(uint8_t bitResolution) {
  switch (bitResolution) {
    case 9:
    return 94;
    case 10:
    return 188;
    case 11:
    return 375;
    default:
    return 750;
  }
}

/**
 * Send the temperature to controller
 * 
 * @since 2.0
 */

void sendTemperatureToController(float temperature) {

  if (temperature != -127.00 && temperature != 85.00) {

    send(msg_temperature.setSensor(CHILD_ID_TEMP).set(temperature,1));
    digitalWrite(MY_DEFAULT_ERR_LED_PIN , LOW);
    Serial.println("-------------- DEBUG sendTemperatureToController() ---------------");
    Serial.println("No error on send temperature");
    Serial.println("------------------------------------------------------");
    
  } else {

    // light the error led fixed!
    digitalWrite(MY_DEFAULT_ERR_LED_PIN , HIGH);
    Serial.println("-------------- DEBUG sendTemperatureToController() ---------------");
    Serial.println("! ERROR sending temperature");
    Serial.println("------------------------------------------------------");
    
  }
  
}

/**
 * Light the LED status
 * 
 * @since 2.0
 */
void lightLedStatus() {

  int k = 0;

  for ( k = 0; k < WAIT_LOOPS; k++) {
    
    digitalWrite(PIN_LED_STATUS,HIGH);
      wait(10); // 5 * 1000 millisends = 5 seconds;
    digitalWrite(PIN_LED_STATUS,LOW);
      wait(4990);
    
  }
  
}

/**********************************************/
/****       VARIOUS FUNCTION TO DEBUG     *****/
/**********************************************/

/**
 * Test Led status
 * @since 2.0
 */
void testLed() {

  int k = 16;
  for (k = 16; k<20; k++) {

    pinMode(k,OUTPUT);
    digitalWrite(k,HIGH);
    wait(50);
    digitalWrite(k,LOW);
    wait(50);
    
  }
  
}

Thank you for your time.

gohan

Do a debug print of the command you received before you enter the "case"

sineverba

@gohan

I did edit the receive function with this:

void receive(const MyMessage &msg_relay) {

  Serial.println("-------------- DEBUG receive() ---------------");

  Serial.print("msg_relay.type value is ");
  Serial.println(msg_relay.type);
  Serial.println("------------------------------------------");
  Serial.print("msg_relay.getCommand() value is ");
  Serial.println(msg_relay.getCommand());
  Serial.println("------------------------------------------");

  Serial.println("--------------------------------------------");
}

Receive is NOT called at first start ( I have no debug in monitor). Receive is called only when from DOMOTICZ I poweron or poweroff the relay.

In effect this is the debug monitor:

-------------- DEBUG getStateFromController() ---------------
request( CHILD_ID_RELAY , V_STATUS) value is 1
Uplink available!
Relay in controller is marked as 0
-------------------------------------------------------------
-------------- DEBUG receive() ---------------
msg_relay.type value is 2
------------------------------------------
msg_relay.getCommand() value is 1
------------------------------------------
--------------------------------------------
-------------- DEBUG receive() ---------------
msg_relay.type value is 2
------------------------------------------
msg_relay.getCommand() value is 1
------------------------------------------
--------------------------------------------

Last two receive() debug called only when I did poweron or poweroff the relay.

Ben Andrewes

You could try editing out all the ifs etc in the getStateFromController and only request the state (surrounded by a few serial prints to see which bits execute). If it works in simplest form then you could build up the logic around it to see what is failing

void getStateFromController() {

  Serial.println(" starting GetStateFromController");
  request( CHILD_ID_RELAY , V_STATUS);
  wait (WAIT_RETURN);
 serial.print("Waiting");

}

gohan

I still miss the point in asking the status of the relay...

sineverba

@Ben-Andrewes request return every time "1". This is not the state of relay in Domoticz . The following state from Domoticz is "0", either if in Domoticz relay need to be on or off ....

sineverba

@gohan to mantain them in sync after a power failure.

But you did put me on right way. I could simply put the relay off on Arduino start and send off to Domoticz.

Every 5 minutes I could send the corrent state ti Domoticz (Imagine a gateway Power failure instead).

In this mode I delegate all logic to Domoticz, when the relay need to be on or off....

gohan

There is the savestate and readstate functions in mysensors in case you need it

sineverba

@gohan I know, but I would to not use the EEprom and I would also learn and understand where is my error / why cannot get the state...

gohan

I was just trying to point out that it is a design flaw as the nodes should be as much as indipendent as possible from controller but if you want to play around, have fun

sineverba

Ok,
I don't know if it is necessary to open a new post.

I imagine now it's a problem of Domoticz.

I did change all my logic. NOw on startup and every X minutes, the node send to the Domoticz the status of relay, to mantain it in sync.

Errrr...... the status is received but not displayed correctly

I attach an image to explain better.

alt text

Domoticz is last update version, this is the current sketch:

/**
 * Sketch for a relay + termostat.
 * 
 * In test from 11/08/2017
 * 
 * TERMINARE SE UPLINK NON è DISPONIBILE
 * 
 * @version 2.0
 * 
 */

/**
 * DEFINE MYSENSORS SECTION
 */
#define MY_DEBUG                    // Enable Basic Debug
//#define MY_DEBUG_VERBOSE_SIGNING    // Enable Signing Debug
#define MY_RADIO_NRF24
#define MY_SIGNING_SOFT
#define MY_SIGNING_SOFT_RANDOMSEED_PIN 7
#define MY_SIGNING_REQUEST_SIGNATURES
#define MY_SIGNING_NODE_WHITELISTING {{.nodeId = GATEWAY_ADDRESS,.serial = {0x3B,0xF4,0x61,0xDF,0x1E,0xFF,0xFF,0xFF,0xEC}}}
#define MY_NODE_ID 10               // Default ID
#define MY_DEFAULT_LED_BLINK_PERIOD 300
#define MY_WITH_LEDS_BLINKING_INVERSE
#define MY_DEFAULT_ERR_LED_PIN 16
#define MY_DEFAULT_TX_LED_PIN 17
#define MY_DEFAULT_RX_LED_PIN 18

/**
 * Include libraries
 */
#include <SPI.h>
#include <MySensors.h>  
#include <DallasTemperature.h>
#include <OneWire.h>

/**
 * Define section.
 * 
 *    // NAME
 */
#define SKETCH_NAME       "Termostato+Relay"
#define SKETCH_VERSION    "3.0"

    //  PIN
#define PIN_DS18B20       2
#define PIN_RELAY         3
#define PIN_LED_STATUS    19

    //  CHILD ID
#define CHILD_ID_TEMP     0
#define CHILD_ID_RELAY    1

    //  RELAY SECTION
#define RELAY_ON          0   // if inverted, invert here
#define RELAY_OFF         1   // if inverted, invert here

    //  WAITs TIMES
#define WAIT_LOOPS        1  // The status led flashes ON 10 ms and OFF 4990 ms == 5000 ms of loop. 5000 * WAIT_LOOPS = number of cycles before new read. 60 == 5 minutes
//#define WAIT_RETURN       1500  //  Milliseconds to wait for returns from gateway



/*
 * One Wire Section
 */
OneWire oneWire(PIN_DS18B20); // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
DallasTemperature sensors(&oneWire); // Pass the oneWire reference to Dallas Temperature.

/**
 * Mysensors message
 */
// Initialize temperature message
MyMessage msg_temperature(CHILD_ID_TEMP , V_TEMP);
// Initialize relay message
MyMessage msg_relay(CHILD_ID_RELAY , V_STATUS);

/**
 * Before class
 */
void before() {
  // Startup up the OneWire library
  sensors.begin();
}

/**
 * Presentation.
 * 
 * Presents the child to the controller
 */
void presentation() {

  // send sketch name
  sendSketchInfo(SKETCH_NAME , SKETCH_VERSION);
  // Present all sensors to controller.
  // TEMPERATURE
  present(CHILD_ID_TEMP, S_TEMP);
  // RELAY
  present(CHILD_ID_RELAY , S_BINARY);
  
}

/**
 * Our Setup
 */

void setup() {

  // SETUP LED STATUS
    // Set the LED STATUS as OUTPUT and shutdown it.
  pinMode(PIN_LED_STATUS , OUTPUT);
  digitalWrite(PIN_LED_STATUS , LOW);

  // SETUP RELAY
    // Set the RELAY PIN as OUTPUT and LOW
  pinMode(PIN_RELAY , OUTPUT);
  digitalWrite(PIN_RELAY , RELAY_OFF);

  // initialize sensors
  sensors.setWaitForConversion(false);
  
}


/**
 * Our loop
 */
void loop() {

  // send the relay state to controller
  sendRelayStateToController();

  // executed the reading
  loopTemperature();
  
  // light the status led... so wait
  lightLedStatus();
  
}

/*
 * Send the state of relay to controller.
 * 
 * @since 3.0
 */
void sendRelayStateToController() {

  Serial.println("-------------- DEBUG sendRelayStateToController() ---------------");

  bool current_state = digitalRead(PIN_RELAY);

  

  if (current_state == 1) {

    current_state = RELAY_ON;
    
  } else {

    current_state = RELAY_OFF;
    
  }

  Serial.print("current_state value is ");
  Serial.println(current_state);
  send(msg_relay.set(current_state) , true);

  Serial.println("------------------------------------------------------------");
  
}

/**
 * Loop temperature.
 * Executed inside loop()
 * 
 * @since 2.0
 */
void loopTemperature() {

  // Fetch temperatures from Dallas sensors
  // we need sensors.requestTemperatures() to NO BLOCK THE THREAD!!!
  sensors.requestTemperatures();
  float temperature = readTemperature();
 

  sendTemperatureToController(temperature);
  
}

/************************************************/
/****       VARIOUS FUNCTION TO SUPPORT     *****/
/************************************************/

/**
 * Receive function
 * 
 * @since 2.0
 */
void receive(const MyMessage &message) {

  

  if ( !message.isAck() ) {

    if ( message.type == V_STATUS) {
  
      if (  message.getCommand() == 1 ) {
  
        bool received_state = message.getBool();
        Serial.print("received_state value is ");
        Serial.println(received_state);
  
        if ( received_state == 1) {
  
          digitalWrite(PIN_RELAY , RELAY_ON);
          
        } else {
  
          digitalWrite(PIN_RELAY , RELAY_OFF);
          
        }
        
      }
      
    }

  }
  
 

  Serial.println("--------------------------------------------");
}

/**
 * Read the temperature from DS18B20
 * 
 * @since 2.0
 */
float readTemperature() {

  // query conversion time and sleep until conversion completed
  int16_t conversionTime = millisToWaitForConversion(sensors.getResolution());
  wait(conversionTime);

  // Read temperatures and send them to controller 
  // Fetch and round temperature to one decimal
  float temperature = static_cast<float>(static_cast<int>((getControllerConfig().isMetric?sensors.getTempCByIndex(CHILD_ID_TEMP):sensors.getTempFByIndex(CHILD_ID_TEMP)) * 10.)) / 10.;

  return temperature;
  
}

/**
 * Get the millis to wait before reading based on resolution.
 * 
 * @since 2.0
 */

int16_t millisToWaitForConversion(uint8_t bitResolution) {
  switch (bitResolution) {
    case 9:
    return 94;
    case 10:
    return 188;
    case 11:
    return 375;
    default:
    return 750;
  }
}

/**
 * Send the temperature to controller
 * 
 * @since 2.0
 */

void sendTemperatureToController(float temperature) {

  if (temperature != -127.00 && temperature != 85.00) {

    send(msg_temperature.setSensor(CHILD_ID_TEMP).set(temperature,1));
    digitalWrite(MY_DEFAULT_ERR_LED_PIN , LOW);
    //Serial.println("-------------- DEBUG sendTemperatureToController() ---------------");
    //Serial.println("No error on send temperature");
    //Serial.println("------------------------------------------------------");
    
  } else {

    // light the error led fixed!
    digitalWrite(MY_DEFAULT_ERR_LED_PIN , HIGH);
    //Serial.println("-------------- DEBUG sendTemperatureToController() ---------------");
    //Serial.println("! ERROR sending temperature");
    //Serial.println("------------------------------------------------------");
    
  }
  
}

/**
 * Light the LED status
 * 
 * @since 2.0
 */
void lightLedStatus() {

  int k = 0;

  for ( k = 0; k < WAIT_LOOPS; k++) {
    
    digitalWrite(PIN_LED_STATUS,HIGH);
      wait(10); // 5 * 1000 millisends = 5 seconds;
    digitalWrite(PIN_LED_STATUS,LOW);
      wait(4990);
    
  }
  
}

gohan

Is displayed opposite or it is not updated?

sineverba

@gohan Totally not updated. I did upload just now the @boots33 sketch in synch and it works. So it is my fault... But I cannot find!

I re-start from fresh (err.. from boots sketch).

Unable to get relay status from Domoticz

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Unable to get relay status from Domoticz

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