Added clang-format (#623)

* added .clang-format
* added names to travis jobs
removed deprecated travis option
* check github action
* added .gitignore

main/ZsensorINA226.ino

@@ -35,40 +35,36 @@
 #include "User_config.h"
 
 #ifdef ZsensorINA226
-#include <Wire.h>
+#  include <Wire.h>
 
-float rShunt = 0.1;           // Shunt Widerstand festlegen, hier 0.1 Ohm
+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()
-{
+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))
-  { //retrieving value of temperature and humidity of the box from DHT every xUL
+void MeasureINA226() {
+  if (millis() > (timeINA226 + TimeBetweenReadingINA226)) { //retrieving value of temperature and humidity of the box from DHT every xUL
     timeINA226 = millis();
     Log.trace(F("Creating INA226 buffer" CR));
     StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
-    JsonObject &INA226data = jsonBuffer.createObject();
+    JsonObject& INA226data = jsonBuffer.createObject();
     // Topic on which we will send data
     Log.trace(F("Retrieving electrical data" CR));
     // Bus Spannung, read-only, 16Bit, 0...40.96V max., LSB 1.25mV
     float volt = readRegister(0x02) * 0.00125;
     // 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
+    if (shuntvolt && 0x8000) { // eine negative Zahl? Dann 2er Komplement bilden
       shuntvolt = ~shuntvolt; // alle Bits invertieren
-      shuntvolt += 1;         // 1 dazuzählen
-      shuntvolt *= -1;        // negativ machen
+      shuntvolt += 1; // 1 dazuzählen
+      shuntvolt *= -1; // negativ machen
     }
     float current = shuntvolt * 0.0000025 / rShunt; // * LSB / R
     float power = abs(volt * current);
@@ -79,15 +75,14 @@ void MeasureINA226()
     dtostrf(volt, 6, 3, volt_c);
     dtostrf(current, 6, 3, current_c);
     dtostrf(power, 6, 3, power_c);
-    INA226data.set("volt", (char *)volt_c);
-    INA226data.set("current", (char *)current_c);
-    INA226data.set("power", (char *)power_c);
+    INA226data.set("volt", (char*)volt_c);
+    INA226data.set("current", (char*)current_c);
+    INA226data.set("power", (char*)power_c);
     pub(subjectINA226toMQTT, INA226data);
   }
 }
 
-static void writeRegister(byte reg, word value)
-{
+static void writeRegister(byte reg, word value) {
   Wire.beginTransmission(INA226_ADDR);
   Wire.write(reg);
   Wire.write((value >> 8) & 0xFF);
@@ -95,15 +90,12 @@ static void writeRegister(byte reg, word value)
   Wire.endTransmission();
 }
 
-static word readRegister(byte reg)
-{
+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)
-    {
+  if (Wire.endTransmission() == 0) {
+    if (Wire.requestFrom(INA226_ADDR, 2) >= 2) {
       res = Wire.read() * 256;
       res += Wire.read();
     }