Graphs are not working as expected. No data available

shramik_salgaonkar · August 14, 2018, 3:22pm

can you join slack http://slack.mydevices.com/ and PM me whenever this occur so i can look into it.

dart73 · August 17, 2018, 3:07pm

Guys, sorry to jump on this topic but looks a similar problem. My temperature max range is locked in 20ºC so I can’t see anything on the graph.

Please see below:

History_92d19110-91a1-11e8-b389-d93e10e08451_ecb531a0-91a1-11e8-af94-07170ec969cc_hour_2018-08-14-23_52_00_2018-08-17 11_52_00.csv (9.3 KB)

shramik_salgaonkar · August 17, 2018, 3:21pm

you should see a straight blue line if you the change is not much. can you share the code you are using?

dart73 · August 17, 2018, 5:13pm

Hello Shramik, if you see the csv file the data are there. You should look for Thermistor function:

#include <CayenneTemperature.h>
#include <CayenneMQTTEthernet.h>  
#include "DHT.h"

char username[] = "";
char password[] = "";
char clientID[] = "";

#define CAYENNE_DEBUG 
#define CAYENNE_PRINT Serial
#define SENSOR_PIN 0
#define VIRTUAL_THERMISTOR 1
#define VIRTUAL_DHT11_TEMP 2
#define VIRTUAL_DHT11_HUM 3
#define VALVE 4
#define VIRTUAL_VALVE 4
#define DHTPIN 5
#define DHTTYPE DHT11   // DHT 22  (AM2302), AM2321
#define GARAGE 6
#define VIRTUAL_GARAGE 6
#define QUARTINHO 7
#define VIRTUAL_QUARTINHO 7

const float resistance = 2200; // Resistance of the resistor 

DHT dht(DHTPIN, DHTTYPE);
Thermistor thermistor(SENSOR_PIN, resistance);

void setup()
{
	Serial.begin(9600);
	Cayenne.begin(username, password, clientID);
  dht.begin();
  pinMode(VALVE,OUTPUT);
  pinMode(GARAGE,OUTPUT);
  pinMode(QUARTINHO,OUTPUT);
  
}

void loop()
{
	Cayenne.loop();


}

 CAYENNE_IN(VIRTUAL_VALVE)

{
  int value = getValue.asInt();
  CAYENNE_LOG("Channel %d, pin %d, value %d", VIRTUAL_VALVE, VALVE, value);
  // Write the value received to the digital pin.
  digitalWrite(VALVE, value);
}


CAYENNE_IN(VIRTUAL_GARAGE)
{

  if (getValue.asInt() == 0) {
    digitalWrite(GARAGE, HIGH);
  }
  else {
    digitalWrite(GARAGE, LOW);
  }
}


CAYENNE_IN(VIRTUAL_QUARTINHO)
{

  if (getValue.asInt() == 0) {
    digitalWrite(QUARTINHO, HIGH);
  }
  else {
    digitalWrite(QUARTINHO, LOW);
  }
}


CAYENNE_OUT(VIRTUAL_THERMISTOR)
{

	Cayenne.celsiusWrite(VIRTUAL_THERMISTOR, thermistor.getCelsius());
}


CAYENNE_OUT(VIRTUAL_DHT11_TEMP)
{
  float t = dht.readTemperature();
  Cayenne.celsiusWrite(VIRTUAL_DHT11_TEMP, t);
}

CAYENNE_OUT(VIRTUAL_DHT11_HUM)
{
  float h = dht.readHumidity();
  Cayenne.virtualWrite(VIRTUAL_DHT11_HUM, h);
}

shramik_salgaonkar · August 17, 2018, 5:16pm

i tried your code and it works well. i can see data on the graph.
change this

      Cayenne.virtualWrite(VIRTUAL_DHT11_HUM, h);

to

Cayenne.virtualWrite(VIRTUAL_DHT11_HUM, h, "temp", "c" );

bensimmo · August 18, 2018, 7:03am

Can you check, I’m no C programmer but I see no sleep function.
(I’m python)

What you are saying sounds like you are hitting the rate limited.
If it gives results then stops for a while then gives a blast of results and stop for a while.
That happens when you hit the rate limited.

Just something to check.

shramik_salgaonkar · August 18, 2018, 8:30am

CAYENNE_OUT() functions are designed to automatically run at intervals every 15 seconds.

dart73 · August 21, 2018, 6:18pm

Hello Shramik,

the Cayenne.virtualWrite works fine fot the DHT11 temp and humidity. The problem is with the function Cayenne.celsiusWrite(VIRTUAL_THERMISTOR, thermistor.getCelsius()); that I’m using for the thermistor. This is an analog input nd looks like just a problem with the locked Axis on the dashboard as the data is there on the csv file.

shramik_salgaonkar · August 21, 2018, 6:22pm

Check your Serial monitor if you are sending correct data to cayenne.

evandro.bubiak · July 29, 2019, 1:42am

No historical data availabe here.

Rapsberrypi 3 model B
Linux raspberrypi 4.19.58-v7+ #1245 SMP Fri Jul 12 17:25:51 BST 2019 armv7l GNU/Linux

shramik_salgaonkar · July 29, 2019, 10:27am

Are looking for historical data of raspberry default widgets like CPU RAM, then they do not store history data.

hidro · July 30, 2019, 11:31pm

Please help! I Have the same problem.

.
Here is the code.

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//------------------------------------------------------------------LIBRERÍAS UTILIZADAS--------------------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

#include <Wire.h>
#include <CayenneMQTTESP8266.h>
#include "RTClib.h"

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//-----------------------------------------------------------------------PARÁMETROS ------------------------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

#define CAYENNE_PRINT Serial
#define nanodir 11
#define longitud 9
#define intervalo 2000

//Informacion de la red Wi-Fi
char ssid[] =  "Nombredelared";
char contrasenawifi[] = "password";

//Informacion de autentificacion con Cayenne
char usuario[] = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
char contrasena[] = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
char cliente[] = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";

//contadores y banderas para activar accionadores
unsigned long actual;
unsigned long anterior = 0;
byte envioanterior = 0;
byte envioanterior2 = 0;
byte i;
byte j;
byte envio[longitud + 1];
byte fin;

// Variables de entrada
int canal;
int dato;

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//-------------------------------------------------------CONFIGURACIÓN DE PINES Y ESTADOS DE LA PLACA-------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

void setup() {
  // Inicia la conexion con el Arduino
  Wire.begin();

  // Inicia Serial
  Serial.begin(115200);

  //Inicia la conexion a internet y a la cola de mensajes de Cayenne
  Cayenne.begin(usuario, contrasena, cliente, ssid, contrasenawifi);

  Serial.println("");
}

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//---------------------------------------------------------------------FUNCION PRINCIPAL--------------------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

void loop() {
  Cayenne.loop();
  actual = millis();
  if (actual - anterior > intervalo) {
    anterior = actual;
    recepcion();
  }
}

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//---------------------------------------------------------------INTERRUPCION AL RECIBIR DATOS--------------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

void recepcion () {  //desde aqui empieza a recibir el string:
  i = 0;
  Wire.requestFrom(nanodir, longitud); //luego de pedir datos, se queda esperando la respuesta
  while (Wire.available()) {
    Serial.print("Canal ");
    for (i = 0 ; i < longitud ; i++) {
      envio[i] = Wire.read();
      Serial.print(i);
      Serial.print(": ");
      Serial.print(envio[i]);
      if (i < longitud - 1) Serial.print("; Canal ");
    }
    fin = Wire.read();
    Serial.println("");
  }
}

//----------------------------------------------------------------------------------------------------------------------------------------------------------------//
//-----------------------------------------------------------RECEPCION Y ENVIO DE DATOS A CAYENNE-----------------------------------------------------------------//
//----------------------------------------------------------------------------------------------------------------------------------------------------------------//

CAYENNE_OUT_DEFAULT() {
  envioanterior2 = envioanterior;
  envioanterior = envio[0];
  j = 1;
  for (j = 0 ; j < longitud ; j++) {
    Cayenne.virtualWrite(j, envio[j]);
  }
}

CAYENNE_IN_DEFAULT() {
  canal = request.channel;
  dato = getValue.asInt();
  Wire.beginTransmission(nanodir); //inicia el envio de parametros al Arduino
  Wire.write(canal);  //el primer valor enviado es el numero del canal
  Wire.write(dato); //el segundo valor enviado es el dato concreto
  Wire.endTransmission(); //termina el envio de parametros al Arduino
  Serial.print ("Recibido el dato del canal ");
  Serial.print (canal);
  Serial.print (": ");
  Serial.println (dato);
}

shramik_salgaonkar · July 31, 2019, 10:59am

First delete all the sensor widgets from your dashboard. you are not using the correct data type.
change this:

to:
Cayenne.virtualWrite(j, envio[j],"temp", "c");

Once, you upload the code, temporary green widgets will be created on your dashboard. Add them by clicking on +.

hidro · August 2, 2019, 2:56pm

Thanks, that solved my problem!!

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Graphs are not working as expected. No data available

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