62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// High/Low Output Radar Sensor
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// For example: RCWL-0516 (needs 5v input (gnd, vin), 3.3v output level. high for 2seconds when movement detected)
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#include "sensor_radar.h"
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Sensor_Radar::Sensor_Radar(int pin)
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{
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radarpin=pin;
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}
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void Sensor_Radar::init() //Things to be done during setup()
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{
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Serial.println("initializing Radar");
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pinMode(radarpin, INPUT_PULLUP);
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init_ok=true;
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}
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//Also called during setup()
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void Sensor_Radar::setSettings(unsigned long senddelaymax, unsigned long readdelay)
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{
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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_Radar::advertise(HomieNode& p_sensorNode)
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{
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sensorNode = &p_sensorNode;
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sensorNode->advertise("radar");
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}
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void Sensor_Radar::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 (digitalRead(radarpin) != (d.value>0)){
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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)) { //send current value after some long time
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Serial.print("Sending motion radar. reason=");
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if (_changed) Serial.println("change"); else Serial.println("time");
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if (digitalRead(radarpin)){
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Homie.getLogger() << "radar " << ": " << "true" << endl;
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sensorNode->setProperty("radar").send(String("true"));
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d.value=true;
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}else{
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Homie.getLogger() << "motion " << ": " << "false" << endl;
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sensorNode->setProperty("radar").send(String("false"));
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d.value=false;
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}
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d.lastsent=millis();
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}
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}
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}
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