From 340dcb0ac4dddc9ba1d52699a5c6232b48aaa45c Mon Sep 17 00:00:00 2001
From: Florian <1technophile@users.noreply.github.com>
Date: Fri, 3 Nov 2017 07:15:13 +0100
Subject: [PATCH] add ina226 sensor (#123)
* add ina226 sensor
#116
* add sensor into the CI
---
OpenMQTTGateway.ino | 6 +++
User_config.h | 8 +++-
ZsensorINA226.ino | 110 ++++++++++++++++++++++++++++++++++++++++++++
config_INA226.h | 34 ++++++++++++++
tests/Test_config.h | 4 ++
5 files changed, 161 insertions(+), 1 deletion(-)
create mode 100644 ZsensorINA226.ino
create mode 100644 config_INA226.h
diff --git a/OpenMQTTGateway.ino b/OpenMQTTGateway.ino
index 0a0008b..1210dc4 100644
--- a/OpenMQTTGateway.ino
+++ b/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
diff --git a/User_config.h b/User_config.h
index 7a5aa7a..310f0e1 100644
--- a/User_config.h
+++ b/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-----------------------*/
diff --git a/ZsensorINA226.ino b/ZsensorINA226.ino
new file mode 100644
index 0000000..c6207f6
--- /dev/null
+++ b/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 .
+*/
+// Pinout
+// INA226 - Uno - Mega - NODEMCU
+// SCL - A5 - 21 - D1
+// SDA - A4 - 20 - D2
+//
+
+#ifdef ZsensorINA226
+#include
+
+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
diff --git a/config_INA226.h b/config_INA226.h
new file mode 100644
index 0000000..a556419
--- /dev/null
+++ b/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 .
+*/
+
+/*----------------------------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
+
+
diff --git a/tests/Test_config.h b/tests/Test_config.h
index 16cbba4..81208f7 100644
--- a/tests/Test_config.h
+++ b/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