add ina226 sensor (#123)

* add ina226 sensor

#116

* add sensor into the CI

OpenMQTTGateway.ino

@@ -197,6 +197,9 @@ void setup()
   #ifdef ZgatewayRFM69
     setupRFM69();
   #endif
+  #ifdef ZsensorINA226
+    setupINA226();
+  #endif
   #ifdef ZsensorHCSR501
     setupHCSR501();
   #endif
@@ -268,6 +271,9 @@ void loop()
     #ifdef ZsensorDHT
       MeasureTempAndHum(); //Addon to measure the temperature with a DHT
     #endif
+    #ifdef ZsensorINA226
+      MeasureINA226(); //Addon to measure the temperature with a DHT
+    #endif
     #ifdef ZsensorHCSR501
       MeasureHCSR501();
     #endif

User_config.h

@@ -74,6 +74,8 @@ const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
   #include "config_IR.h"
   #define ZgatewayBT
   #include "config_BT.h"
+  //#define ZsensorINA226
+  //#include "config_INA226.h"
   //#define ZsensorHCSR501
   //#include "config_HCSR501.h"
   //#define ZsensorADC
@@ -96,6 +98,8 @@ const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
   #include "config_IR.h"
   #define ZgatewayBT
   #include "config_BT.h"
+  //#define ZsensorINA226
+  //#include "config_INA226.h"
   //#define ZsensorDHT
   //#include "config_DHT.h"
   //#define ZsensorBH1750
@@ -107,7 +111,9 @@ const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
   //#define ZsensorADC
   //#include "config_ADC.h"
   //#define ZgatewayRFM69 not tested
-  //#include "config_RFM69.h"  
+  //#include "config_RFM69.h" 
+  //#define ZsensorINA226
+  //#include "config_INA226.h" 
 #endif
 /*----------------------------OTHER PARAMETERS-----------------------------*/
 /*-------------------CHANGING THEM IS NOT COMPULSORY-----------------------*/

ZsensorINA226.ino

@@ -0,0 +1,110 @@
+/*  
+  OpenMQTTGateway Addon  - ESP8266 or Arduino program for home automation 
+
+   Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal  and a MQTT broker 
+   Send and receiving command by MQTT
+ 
+    INA226 reading Addon
+  
+    From the orgiginal work of Matthias Busse http://shelvin.de/ein-batteriemonitor-fuer-strom-und-spannung-mit-dem-ina226-und-dem-arduino-uno/
+    MQTT add - 1technophile
+    
+    Contributors:
+    - 1technophile
+  
+    This file is part of OpenMQTTGateway.
+    
+    OpenMQTTGateway is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenMQTTGateway is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+// Pinout
+// INA226 - Uno - Mega - NODEMCU
+// SCL    - A5  - 21 - D1
+// SDA    - A4  - 20 - D2
+//
+
+#ifdef ZsensorINA226
+#include <Wire.h>
+
+float rShunt=0.1; // Shunt Widerstand festlegen, hier 0.1 Ohm
+const int INA226_ADDR = 0x40; // A0 und A1 auf GND > Adresse 40 Hex auf Seite 18 im Datenblatt
+
+//Time used to wait for an interval before resending temp and hum
+unsigned long timeINA226 = 0;
+
+void setupINA226() {
+  Wire.begin();   
+  // Configuration Register Standard Einstellung 0x4127, hier aber 16 Werte Mitteln > 0x4427
+  writeRegister(0x00, 0x4427); // 1.1ms Volt und Strom A/D-Wandlung, Shunt und VBus continous
+}
+
+void MeasureINA226(){
+    if (millis() > (timeINA226 + TimeBetweenReadingINA226)) {//retriving value of temperature and humidity of the box from DHT every xUL
+        timeINA226 = millis();
+        // Topic on which we will send data
+        trc(F("Retrieving electrical data"));
+        // Bus Spannung, read-only, 16Bit, 0...40.96V max., LSB 1.25mV
+        trc(F(" Volt: "));
+        float volt = readRegister(0x02) * 0.00125; 
+        trc(String(volt));
+        trc(F(" V, Current: "));
+        // Seite 24: Shunt Spannung +- 81,92mV mit 16 Bit, LSB 2,5uV
+        int shuntvolt = readRegister(0x01);
+        if (shuntvolt && 0x8000) {// eine negative Zahl? Dann 2er Komplement bilden
+          shuntvolt = ~shuntvolt; // alle Bits invertieren
+          shuntvolt += 1;         // 1 dazuzählen
+          shuntvolt *= -1 ;       // negativ machen
+        }
+        float current = shuntvolt * 0.0000025 / rShunt; // * LSB / R
+        trc(String(current));
+        trc(F(" A, Power: "));
+        float power=abs(volt*current);
+        trc(String(power));
+        trc(F(" W"));
+      
+        char volt_c[7];
+        char current_c[7];
+        char power_c[7];
+        dtostrf(volt,6,3,volt_c);
+        dtostrf(current,6,3,current_c);
+        dtostrf(power,6,3,power_c);
+      
+        client.publish(subjectVolttoMQTT,volt_c);
+        client.publish(subjectCurrenttoMQTT,current_c);          
+        client.publish(subjectPowertoMQTT,power_c);  
+        
+    }
+}
+
+static void writeRegister(byte reg, word value) {
+  Wire.beginTransmission(INA226_ADDR);
+  Wire.write(reg);
+  Wire.write((value >> 8) & 0xFF);
+  Wire.write(value & 0xFF);
+  Wire.endTransmission();
+}
+
+static word readRegister(byte reg) {
+  word res = 0x0000;
+  Wire.beginTransmission(INA226_ADDR);
+  Wire.write(reg);
+  if (Wire.endTransmission() == 0) {
+    if (Wire.requestFrom(INA226_ADDR, 2) >= 2) {
+      res  = Wire.read() * 256;
+      res += Wire.read();
+    }
+  }
+  return res;
+}
+
+#endif

config_INA226.h

@@ -0,0 +1,34 @@
+/*  
+  OpenMQTTGateway  - ESP8266 or Arduino program for home automation 
+
+   Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal  and a MQTT broker 
+   Send and receiving command by MQTT
+ 
+   This files enables to set your parameter for the INA226 sensor
+  
+    Copyright: (c)Florian ROBERT
+  
+    This file is part of OpenMQTTGateway.
+    
+    OpenMQTTGateway is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenMQTTGateway is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*----------------------------USER PARAMETERS-----------------------------*/
+/*-------------DEFINE YOUR MQTT PARAMETERS BELOW----------------*/
+#define subjectVolttoMQTT "home/INA226toMQTT/Volt"
+#define subjectCurrenttoMQTT "home/INA226toMQTT/Current"        
+#define subjectPowertoMQTT "home/INA226toMQTT/Power" 
+#define TimeBetweenReadingINA226 30000 // time between 2 INA226 readings
+
+

tests/Test_config.h

@@ -74,6 +74,8 @@ const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
   #include "config_IR.h"
   #define ZgatewayBT
   #include "config_BT.h"
+  #define ZsensorINA226
+  #include "config_INA226.h"
   #define ZsensorHCSR501
   #include "config_HCSR501.h"
   #define ZsensorADC
@@ -96,6 +98,8 @@ const byte subnet[] = { 255, 255, 255, 0 }; //ip adress
   #include "config_IR.h"
   #define ZgatewayBT
   #include "config_BT.h"
+  //#define ZsensorINA226
+  //#include "config_INA226.h"
   //#define ZsensorDHT
   //#include "config_DHT.h"
   //#define ZsensorBH1750