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