move hs1101 to class

include/sensor_hs1101.cpp

@@ -0,0 +1,105 @@
+
+#include "sensor_hs1101.h"
+
+
+Sensor_HS1101::Sensor_HS1101(int pin)
+{
+  hs1101pin=pin;
+  struct sensordata data;
+
+  //out_humidity[] = {1000,900,800,700,600,500,400,300,200,100,0};  //*10, gets later devided by 10
+  //in_hs1101frequency[] = {6033,6186,6330,6468,6600,6728,6853,6976,7100,7224,7351};
+}
+
+void Sensor_HS1101::init() //Things to be done during setup()
+{    
+    Serial.println("initializing HS1101");
+    init_ok=true;
+}
+
+
+//Also called during setup()
+void Sensor_HS1101::setSettings(float minchange, unsigned long senddelaymax, unsigned long readdelay)
+{
+    data.minchange=minchange;
+    data.senddelaymax=senddelaymax;
+    data.readdelay=readdelay;
+}
+
+//Called during setup
+void Sensor_HS1101::advertise(HomieNode& p_sensorNode)
+{
+    sensorNode = &p_sensorNode;
+    #ifdef SENSOR_DHT22
+      sensorNode->advertise("humidity_hs1101");
+    #else
+      sensorNode->advertise("humidity");
+    #endif
+}
+
+void Sensor_HS1101::sensorloop()
+{
+  if (init_ok) {
+      
+    sensordata &d=data;
+    
+    bool _changed=false;
+    if (millis() >= (d.lastreadtime+d.readdelay)) {
+      d.value = getHumidity_HS1101(hs1101pin); //hum %
+      if (fabs(d.lastsentvalue-d.value)>=d.minchange){
+        _changed=true;
+      }
+      d.lastreadtime=millis();
+    }
+
+    if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
+      Serial.print("Sending HS1101. reason=");
+      if (_changed) Serial.println("change"); else Serial.println("time");
+
+      #if defined(SENSOR_DHT22)
+        Homie.getLogger() << "humidity hs1101 " << ": " << d.value << endl;
+        sensorNode->setProperty("humidity_hs1101").send(String(d.value));
+      #else
+        Homie.getLogger() << "humidity " << ": " << d.value << endl;
+        sensorNode->setProperty("humidity").send(String(d.value));
+      #endif
+      
+      d.lastsentvalue=d.value;
+      
+      d.lastsent=millis();
+    }
+  }
+}
+
+float Sensor_HS1101::getHumidity_HS1101(int pin) {
+  #define HS1101_SAMPLES 512
+  double freq = 0;
+  //for(unsigned int j=0; j<SAMPLES; j++) freq+= 500000/pulseIn(pin, LOW, 1000);
+  for(unsigned int j=0; j<HS1101_SAMPLES; j++) freq+= 1000000/(pulseIn(pin, HIGH, 1000)+pulseIn(pin, LOW, 1000)); //both high and low because signal has not 50% duty cycle
+  freq=freq / HS1101_SAMPLES;
+  if (freq>2000 && freq<10000){ //in roughly valid range
+    return get_mapped(in_hs1101frequency,out_humidity,HUMARRAYSIZE, freq )/10.0;
+  }else{ //error
+    return -1;
+  }
+}
+
+//quelle: https://groups.google.com/forum/#!topic/souliss/1kMAltPB2ME[1-25]
+int Sensor_HS1101::get_mapped(const unsigned int* _in, const unsigned int* _out, byte size,int val) //map with constrain
+{ 
+ // take care the value is within range
+ // val = constrain(val, _in[0], _in[size-1]);
+ 
+ if (val <= _in[0]) return _out[0];
+ if (val >= _in[size-1]) return _out[size-1];
+
+ // search right interval
+ byte pos = 1;  // _in[0] allready tested
+ while(val > _in[pos]) pos++;
+
+ // this will handle all exact "points" in the _in array
+ if (val == _in[pos]) return _out[pos];
+
+ // interpolate in the right segment for the rest
+ return map(val, _in[pos-1], _in[pos], _out[pos-1], _out[pos]);
+}

include/sensor_hs1101.h

@@ -0,0 +1,42 @@
+#ifndef SENSOR_HS1101_H
+#define SENSOR_HS1101_H
+
+#include "sensordata.h"
+#include <Homie.h>
+
+
+
+class Sensor_HS1101
+{
+    
+private:
+    HomieNode *sensorNode; //reference to HomieNode
+
+    struct sensordata data; //struct values are changed in setup()
+    
+    bool init_ok;
+    int hs1101pin;
+    float getHumidity_HS1101(int pin);
+    int get_mapped(const unsigned int* _in, const unsigned int* _out, byte size,int val);
+
+    #define HUMARRAYSIZE 11
+    //from HS1101 datasheet https://www.parallax.com/sites/default/files/downloads/27920-Humidity-Sensor-Datasheet.pdf
+    const unsigned int out_humidity[HUMARRAYSIZE] = {1000,900,800,700,600,500,400,300,200,100,0};  //*10, gets later devided by 10
+    const unsigned int in_hs1101frequency[HUMARRAYSIZE]  = {6033,6186,6330,6468,6600,6728,6853,6976,7100,7224,7351};
+    //unsigned int out_humidity[HUMARRAYSIZE];
+    //unsigned int in_hs1101frequency[HUMARRAYSIZE];
+
+public:
+    Sensor_HS1101(int pin);
+
+
+    void init();
+    void setSettings(float minchange, unsigned long senddelaymax, unsigned long readdelay);
+    void advertise(HomieNode& p_sensorNode);
+    void sensorloop();
+    
+    
+};
+
+#endif
+

platformio.ini

@@ -44,7 +44,7 @@ build_flags =
 
     -D SENSOR_HS1101
     -D HS1101PIN=D5
-    -D dataHS1101_minchange=10
+    -D SENSOR_HS1101_humidity_minchange=10
 
     -D SENSOR_ML8511
     -D ML8511PIN=A0
@@ -82,30 +82,16 @@ monitor_port = /dev/ttyUSB0
 monitor_speed = 115200
 
 build_flags =
-    -D SENSOR_DHT22
+    
-    -D SENSOR_DHT22_PIN=D7
+    -D SENSOR_HS1101
-    -D SENSOR_DHT22_temperature_minchange=0.2
+    -D HS1101PIN=D5
-    -D SENSOR_DHT22_humidity_minchange=2.0
+    -D SENSOR_HS1101_humidity_minchange=10
-
-
-    -D SENSOR_BMP180
-    -D SENSOR_BMP180_temperature_minchange=0.2
-    -D SENSOR_BMP180_pressure_minchange=0.5
-
-    -D SENSOR_HTU21D
-    -D dataHTU21D_temperature_minchange=0.2
-    -D dataHTU21D_temperature_senddelaymax=1000*60*20
-    -D dataHTU21D_humidity_minchange=1.0
-    -D dataHTU21D_humidity_senddelaymax=1000*60*30
 
 
 
 lib_deps = 
-    DHT sensor library@1.3.10
     ArduinoJson@6.16.1 #dependency of homie. using older version because of "ambiguous overload for operator|" error
     Homie@3.0.0
-    Adafruit BMP085 Library@1.1.0
-    adafruit/Adafruit HTU21DF Library @ ^1.0.5
 
 #Arbeitszimmer
 [env:sensoresp1]

src/main.cpp

@@ -103,14 +103,19 @@
 #endif
 
 #ifdef SENSOR_HS1101
-  struct sensordata dataHS1101;
+  #include "sensor_hs1101.cpp"
-  float value_humidityHS1101=0;
+  Sensor_HS1101 sensor_hs1101(HS1101PIN);
-  #define HUMARRAYSIZE 11
+
-  //from HS1101 datasheet https://www.parallax.com/sites/default/files/downloads/27920-Humidity-Sensor-Datasheet.pdf
+  #ifndef SENSOR_HS1101_humidity_minchange
-  static const unsigned int out_humidity[] = {1000,900,800,700,600,500,400,300,200,100,0};  //*10, gets later devided by 10
+    #define SENSOR_HS1101_humidity_minchange 2.0
-  static const unsigned int in_hs1101frequency[]  = {6033,6186,6330,6468,6600,6728,6853,6976,7100,7224,7351};
+  #endif
-  float getHumidity_HS1101(int pin);
+  #ifndef SENSOR_HS1101_humidity_senddelaymax
-  int get_mapped(const unsigned int* _in, const unsigned int* _out, byte size,int val);
+    #define SENSOR_HS1101_humidity_senddelaymax 10*60*1000
+  #endif
+  #ifndef SENSOR_HS1101_humidity_readdelay
+    #define SENSOR_HS1101_humidity_readdelay 10000
+  #endif
+  
 #endif
 
 #ifdef SENSOR_BH1750
@@ -360,10 +365,8 @@ void setup() {
 
 
   #ifdef SENSOR_HS1101
-    Serial.println("initializing hs1101");
+    sensor_hs1101.init();
-    #ifdef dataHS1101_minchange
+    sensor_hs1101.setSettings(SENSOR_HS1101_humidity_minchange,SENSOR_HS1101_humidity_senddelaymax,SENSOR_HS1101_humidity_readdelay);
-      dataHS1101.minchange=dataHS1101_minchange;
-    #endif
   #endif
 
   #ifdef SENSOR_BH1750
@@ -558,11 +561,7 @@ void setup() {
   #endif
 
   #ifdef SENSOR_HS1101
-    #ifdef SENSOR_DHT22
+    sensor_hs1101.advertise(sensorNode);
-      sensorNode.advertise("humidity_hs1101");
-    #else
-      sensorNode.advertise("humidity");
-    #endif
   #endif
 
   #ifdef SENSOR_BH1750
@@ -643,41 +642,6 @@ void loop() {
 
 
 
-#ifdef SENSOR_HS1101
-void loop_HS1101() {
-  
-
-  sensordata &d=dataHS1101;
-  
-  bool _changed=false;
-  if (millis() >= (d.lastreadtime+d.readdelay)) {
-    value_humidityHS1101 = getHumidity_HS1101(HS1101PIN); //hum %
-    if (fabs(d.lastsentvalue-value_humidityHS1101)>=d.minchange){
-      _changed=true;
-    }
-    d.lastreadtime=millis();
-  }
-
-  if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
-    Serial.print("Sending HS1101. reason=");
-    if (_changed) Serial.println("change"); else Serial.println("time");
-    checkESPStatus();
-
-    #if defined(SENSOR_DHT22)
-      Homie.getLogger() << "humidity hs1101 " << ": " << value_humidityHS1101 << endl;
-      sensorNode.setProperty("humidity_hs1101").send(String(value_humidityHS1101));
-    #else
-      Homie.getLogger() << "humidity " << ": " << value_humidityHS1101 << endl;
-      sensorNode.setProperty("humidity").send(String(value_humidityHS1101));
-    #endif
-    
-    d.lastsentvalue=value_humidityHS1101;
-    
-    d.lastsent=millis();
-  }
-}
-#endif
-
 #ifdef SENSOR_BH1750
 void loop_BH1750()
 {
@@ -1191,7 +1155,7 @@ void loopHandler() {
   #endif
 
   #ifdef SENSOR_HS1101
-    loop_HS1101();
+    sensor_hs1101.sensorloop();
   #endif
 
   #ifdef SENSOR_BH1750
@@ -1381,21 +1345,6 @@ void readSDS018()
 }
 #endif
 
-#ifdef SENSOR_HS1101
-float getHumidity_HS1101(int pin) {
-  #define HS1101_SAMPLES 512
-  double freq = 0;
-  //for(unsigned int j=0; j<SAMPLES; j++) freq+= 500000/pulseIn(pin, LOW, 1000);
-  for(unsigned int j=0; j<HS1101_SAMPLES; j++) freq+= 1000000/(pulseIn(pin, HIGH, 1000)+pulseIn(pin, LOW, 1000)); //both high and low because signal has not 50% duty cycle
-  freq=freq / HS1101_SAMPLES;
-  if (freq>2000 && freq<10000){ //in roughly valid range
-    return get_mapped(in_hs1101frequency,out_humidity,HUMARRAYSIZE, freq )/10.0;
-  }else{ //error
-    return -1;
-  }
-}
-#endif
-
 
 #ifdef SENSOR_ML8511
 float getUV_ML8511(int pin) {