82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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#include "sensor_raingauge.h"
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//uses ATS177 Latched hall sensor for rotation sensing
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Sensor_Raingauge::Sensor_Raingauge(int p)
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{
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pin=p;
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}
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void Sensor_Raingauge::init() //Things to be done during setup()
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{
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init_ok=true;
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pinMode(pin,INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(pin),interrupt_raingauge,CHANGE); //anemometer interrupt
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}
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//Also called during setup()
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void Sensor_Raingauge::setSettings(float minchange, unsigned long senddelaymax, unsigned long readdelay)
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{
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data.minchange=minchange;
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data.senddelaymax=senddelaymax;
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data.readdelay=readdelay;
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}
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//Called during setup
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void Sensor_Raingauge::advertise(HomieNode& p_sensorNode)
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{
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sensorNode = &p_sensorNode;
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sensorNode->advertise("rain");
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}
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void Sensor_Raingauge::sensorloop()
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{
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if (init_ok) {
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sensordata &d=data;
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bool _changed=false;
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if (millis() >= (d.lastreadtime+d.readdelay)) {
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if (millis()-raingauge_lasttimereset > d.senddelaymax) {
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raingauge_idleflag=true; //raingauge didn't flip for a long time
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}
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if (raingauge_pulsecounter>0){ //if rg flipped
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if (raingauge_idleflag) { //last flip is before reset time
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d.value=raingauge_pulsecounter*RAINGAUGE_FLIPAMOUNT; //set to fixed amount if flip was exactly at that time
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raingauge_idleflag=false;
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}else{
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d.value=3600000/(millis()-raingauge_lasttimereset)/raingauge_pulsecounter*RAINGAUGE_FLIPAMOUNT;
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raingauge_idleflag=false;
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}
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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 rain. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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if (!_changed) { //no flip since a long time
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d.value=0; //set to no rain
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}
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Homie.getLogger() << "rain " << ": " << d.value << endl;
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sensorNode->setProperty("rain").send(String(d.value));
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//reset when sent. makes it more accurate but keeps fast response
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raingauge_pulsecounter=0; //reset counter
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raingauge_lasttimereset=millis();
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d.lastsentvalue=d.value;
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d.lastsent=millis();
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}
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}
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}
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