combined sourcode for mostly esp8266 sensor iot nodes.
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//Connect SCL to D1, SDA to D2, GND and 3v3
#include "sensor_multichannelgasgmxxx.h"
Sensor_MULTICHANNELGASGMXXX::Sensor_MULTICHANNELGASGMXXX()
{
gas = new GAS_GMXXX<TwoWire>();
}
void Sensor_MULTICHANNELGASGMXXX::init() //Things to be done during setup()
{
Serial.println("initializing MULTICHANNELGASGMXXX");
//The default addrss is 0x08;
//gas.begin(MyWire, 0x08); // use the software I2C
//gas.setAddress(0x64); change thee I2C address
gas->begin(Wire, 0x08);
init_ok=true;
}
//Also called during setup()
void Sensor_MULTICHANNELGASGMXXX::setSettings_no2(float minchange, unsigned long senddelaymax, unsigned long readdelay)
{
data_no2.minchange=minchange;
data_no2.senddelaymax=senddelaymax;
data_no2.readdelay=readdelay;
}
void Sensor_MULTICHANNELGASGMXXX::setSettings_c2h5oh(float minchange, unsigned long senddelaymax, unsigned long readdelay)
{
data_c2h5oh.minchange=minchange;
data_c2h5oh.senddelaymax=senddelaymax;
data_c2h5oh.readdelay=readdelay;
}
void Sensor_MULTICHANNELGASGMXXX::setSettings_voc(float minchange, unsigned long senddelaymax, unsigned long readdelay)
{
data_voc.minchange=minchange;
data_voc.senddelaymax=senddelaymax;
data_voc.readdelay=readdelay;
}
void Sensor_MULTICHANNELGASGMXXX::setSettings_co(float minchange, unsigned long senddelaymax, unsigned long readdelay)
{
data_co.minchange=minchange;
data_co.senddelaymax=senddelaymax;
data_co.readdelay=readdelay;
}
//Called during setup
void Sensor_MULTICHANNELGASGMXXX::advertise(HomieNode& p_sensorNode)
{
sensorNode = &p_sensorNode;
sensorNode->advertise("no2");
sensorNode->advertise("c2h5oh");
sensorNode->advertise("voc");
sensorNode->advertise("co");
}
void Sensor_MULTICHANNELGASGMXXX::sensorloop_no2()
{
if (init_ok) {
sensordata &d=data_no2;
bool _changed=false;
if (millis() >= (d.lastreadtime+d.readdelay)) {
d.value = gas->calcVol(gas->measure_NO2()); // Volt
if (fabs(d.lastsentvalue-d.value)>=d.minchange){
_changed=true;
}
d.lastreadtime=millis();
}
if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
Serial.print("Sending MULTICHANNELGASGMXXX no2. reason=");
if (_changed) Serial.println("change"); else Serial.println("time");
Homie.getLogger() << "no2 " << ": " << d.value << endl;
sensorNode->setProperty("no2").send(String(d.value));
d.lastsentvalue=d.value;
d.lastsent=millis();
}
}
}
void Sensor_MULTICHANNELGASGMXXX::sensorloop_c2h5oh()
{
if (init_ok) {
sensordata &d=data_c2h5oh;
bool _changed=false;
if (millis() >= (d.lastreadtime+d.readdelay)) {
d.value = gas->calcVol(gas->measure_C2H5OH()); // Volt
if (fabs(d.lastsentvalue-d.value)>=d.minchange){
_changed=true;
}
d.lastreadtime=millis();
}
if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
Serial.print("Sending MULTICHANNELGASGMXXX c2h5oh. reason=");
if (_changed) Serial.println("change"); else Serial.println("time");
Homie.getLogger() << "c2h5oh " << ": " << d.value << endl;
sensorNode->setProperty("c2h5oh").send(String(d.value));
d.lastsentvalue=d.value;
d.lastsent=millis();
}
}
}
void Sensor_MULTICHANNELGASGMXXX::sensorloop_voc()
{
if (init_ok) {
sensordata &d=data_voc;
bool _changed=false;
if (millis() >= (d.lastreadtime+d.readdelay)) {
d.value = gas->calcVol(gas->measure_VOC()); // Volt
if (fabs(d.lastsentvalue-d.value)>=d.minchange){
_changed=true;
}
d.lastreadtime=millis();
}
if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
Serial.print("Sending MULTICHANNELGASGMXXX voc. reason=");
if (_changed) Serial.println("change"); else Serial.println("time");
Homie.getLogger() << "voc " << ": " << d.value << endl;
sensorNode->setProperty("voc").send(String(d.value));
d.lastsentvalue=d.value;
d.lastsent=millis();
}
}
}
void Sensor_MULTICHANNELGASGMXXX::sensorloop_co()
{
if (init_ok) {
sensordata &d=data_co;
bool _changed=false;
if (millis() >= (d.lastreadtime+d.readdelay)) {
d.value = gas->calcVol(gas->measure_CO()); // Volt
if (fabs(d.lastsentvalue-d.value)>=d.minchange){
_changed=true;
}
d.lastreadtime=millis();
}
if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
Serial.print("Sending MULTICHANNELGASGMXXX co. reason=");
if (_changed) Serial.println("change"); else Serial.println("time");
Homie.getLogger() << "co " << ": " << d.value << endl;
sensorNode->setProperty("co").send(String(d.value));
d.lastsentvalue=d.value;
d.lastsent=millis();
}
}
}
/*
val = gas.measure_NO2(); Serial.print("NO2: "); Serial.print(val); Serial.print(" eq ");
Serial.print(gas.calcVol(val)); Serial.println("V");
val = gas.measure_C2H5OH(); Serial.print("C2H5OH: "); Serial.print(val); Serial.print(" eq ");
Serial.print(gas.calcVol(val)); Serial.println("V");
val = gas.measure_VOC(); Serial.print("VOC: "); Serial.print(val); Serial.print(" eq ");
Serial.print(gas.calcVol(val)); Serial.println("V");
val = gas.measure_CO(); Serial.print("CO: "); Serial.print(val); Serial.print(" eq ");
Serial.print(gas.calcVol(val)); Serial.println("V");
*/