106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
//Connect SCL to D1, SDA to D2, GND and 3v3
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#include "sensor_bmp180.h"
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Sensor_BMP180::Sensor_BMP180()
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{
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bmp180 = new Adafruit_BMP085();
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}
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void Sensor_BMP180::init() //Things to be done during setup()
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{
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Serial.println("initializing bmp180");
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if (!bmp180->begin()){
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Serial.println("#ERROR: BMP180 init fail\n");
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}else{
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init_ok=true; //stays false if init failed, sensor will not be read in loop
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}
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}
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//Also called during setup()
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void Sensor_BMP180::setSettings_Temperature(float minchange, unsigned long senddelaymax, unsigned long readdelay)
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{
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data_temperature.minchange=minchange;
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data_temperature.senddelaymax=senddelaymax;
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data_temperature.readdelay=readdelay;
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}
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//Also called during setup()
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void Sensor_BMP180::setSettings_Pressure(float minchange, unsigned long senddelaymax, unsigned long readdelay)
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{
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data_pressure.minchange=minchange;
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data_pressure.senddelaymax=senddelaymax;
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data_pressure.readdelay=readdelay;
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}
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//Called during setup
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void Sensor_BMP180::advertise(HomieNode& p_sensorNode)
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{
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sensorNode = &p_sensorNode;
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sensorNode->advertise("temperature");
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sensorNode->advertise("pressure");
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}
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void Sensor_BMP180::sensorloop()
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{
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if (init_ok) {
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loop_BMP180_temperature();
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loop_BMP180_pressure();
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}
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}
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void Sensor_BMP180::loop_BMP180_temperature()
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{
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sensordata &d=data_temperature;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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d.value = bmp180->readTemperature();
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if (fabs(d.lastsentvalue-d.value)>=d.minchange){
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_changed=true;
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}
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d.lastreadtime=millis();
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}
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if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
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Serial.print("Sending BMP180_temperature. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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if (!(isnan(d.value) == 1)){ //success
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sensorNode->setProperty("temperature").send(String(d.value));
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Homie.getLogger() << "temperature " << ": " << d.value << endl;
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d.lastsentvalue=d.value;
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}
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d.lastsent=millis();
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}
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}
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void Sensor_BMP180::loop_BMP180_pressure()
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{
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sensordata &d=data_pressure;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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d.value = bmp180->readPressure()/100.0;
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if (fabs(d.lastsentvalue-d.value)>=d.minchange){
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_changed=true;
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}
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d.lastreadtime=millis();
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}
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if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
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Serial.print("Sending BMP180_pressure. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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if (!(isnan(d.value) == 1)){ //success
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Homie.getLogger() << "pressure " << ": " << d.value << endl;
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sensorNode->setProperty("pressure").send(String(d.value));
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d.lastsentvalue=d.value;
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}
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d.lastsent=millis();
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}
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}
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