C File<\/p>\n
#include <Wire.h>
\n#include <SensorLibrary.h>
\nSensorLibrary foginator;<\/p>\n
#define SLAVE_ADDRESS 0x04
\nint number = 0;
\nint state = 0;
\nint dataRead = 0;<\/p>\n
void setup() {
\n\/\/pinMode(13, OUTPUT);
\nSerial.begin(9600); \/\/ start serial for output
\n\/\/ initialize i2c as slave
\nWire.begin(SLAVE_ADDRESS);<\/p>\n
\/\/ define callbacks for i2c communication
\nWire.onReceive(receiveData);
\nWire.onRequest(sendData);<\/p>\n
\/\/Serial.println(“Ready!”);
\n}<\/p>\n
void loop() {
\ndelay(100);
\n}<\/p>\n
\/\/ callback for received data
\nvoid receiveData(int byteCount){<\/p>\n
while(Wire.available()) {
\ndataRead = Wire.read();
\nif (dataRead == 10) {
\nnumber = foginator.getWpTempData1();
\nSerial.print(number);
\n}
\nelse if (dataRead == 11) {
\nnumber = foginator.getWpTempData2();
\nSerial.print(number);
\n}
\nelse if (dataRead == 12) {
\nnumber = foginator.getCO2Data();
\nSerial.print(number);
\n}
\nelse if (dataRead == 13) {
\nnumber = 22;
\nSerial.print(number);
\n}
\nelse if (dataRead == 14) {
\nnumber = foginator.getPHData();
\nSerial.print(number);
\n}
\nelse if (dataRead == 15) {
\nnumber = foginator.getLuxData();
\nSerial.print(number);
\n}
\nelse if (dataRead == 16) {
\nnumber = foginator.getHumidityData();
\nSerial.print(number);
\n}
\n}
\n}<\/p>\n
\/\/ callback for sending data
\nvoid sendData(){
\nWire.write(number);
\n\/\/Wire.endTransmission();
\n}<\/p>\n
CPP File<\/p>\n
#include “Arduino.h”
\n#include “SensorLibrary.h”
\n#include “OneWire.h”
\n#include “DallasTemperature.h”
\n#include “SparkFunTSL2561.h”
\n#include “Wire.h”
\n#include “DHT.h”<\/p>\n
SensorLibrary::SensorLibrary()
\n{
\npinMode(A0,INPUT); \/\/ CO2 Sensor
\n}<\/p>\n
\/\/ CO2 Sensor<\/p>\n
int SensorLibrary::getCO2Data()
\n{
\nfloat CO2Curve[3] = {2.602,0.324,(0.020\/(2.602-3))};
\nint percentage;
\nfloat volts;
\nvolts = MGRead(A7);
\npercentage = MGGetPercentage(volts,CO2Curve);
\nreturn percentage;
\n}<\/p>\n
float SensorLibrary::MGRead(int mg_pin)
\n{
\nint i;
\nfloat v=0;<\/p>\n
for (i=0;i<5;i++) {
\nv += analogRead(mg_pin);
\ndelay(50);
\n}
\nv = (v\/5)*5\/1024 ;
\nreturn v;
\n}<\/p>\n
int SensorLibrary::MGGetPercentage(float volts, float *pcurve)
\n{
\nif ((volts\/8.5)>=0.324) {
\nreturn -1;
\n} else {
\nreturn pow(10, ((volts\/8.5)-pcurve[1])\/pcurve[2]+pcurve[0]);
\n}<\/p>\n
}
\n\/\/ * * * * * * * * * * * * * * * * * *<\/p>\n
\/\/ Waterproof Temperature Sensor<\/p>\n
float SensorLibrary::getWpTempData1()
\n{
\nOneWire oneWire(A5);
\n\/\/ Pass our oneWire reference to Dallas Temperature.
\nDallasTemperature sensors(&oneWire);
\nsensors.requestTemperatures(); \/\/ Send the command to get temperatures
\ndelay(50);
\nreturn sensors.getTempFByIndex(0);
\n}<\/p>\n
float SensorLibrary::getWpTempData2()
\n{
\nOneWire oneWire(A6);
\n\/\/ Pass our oneWire reference to Dallas Temperature.
\nDallasTemperature sensors(&oneWire);
\nsensors.requestTemperatures(); \/\/ Send the command to get temperatures
\ndelay(50);
\nreturn sensors.getTempFByIndex(0);
\n}
\n\/\/ * * * * * * * * * * * * * * * * * *<\/p>\n
\/\/ Lux Light Sensor<\/p>\n
double SensorLibrary::getLuxData()
\n{
\nSFE_TSL2561 light;
\nunsigned char time = 2;
\nunsigned int data0, data1;
\nunsigned int ms = 1000;
\nboolean gain = 0;
\nlight.begin();
\nlight.setTiming(gain,time,ms);
\nlight.setPowerUp();
\n\/\/****
\nif (light.getData(data0,data1))
\n{<\/p>\n
double lux; \/\/ Resulting lux value
\nboolean good; \/\/ True if neither sensor is saturated<\/p>\n
\/\/ Perform lux calculation:<\/p>\n
good = light.getLux(0,1000,data0,data1,lux);
\nreturn lux;
\n}<\/p>\n
}<\/p>\n
\/\/ * * * * * * * * * * * * * * * * * *<\/p>\n
\/\/ Humidity Sensor<\/p>\n
float SensorLibrary::getHumidityData()
\n{
\nDHT dht(A10, DHT22);
\ndht.begin();
\nfloat h = dht.readHumidity();
\nreturn h;
\n}<\/p>\n
\/\/ pH Sensor
\nfloat SensorLibrary::getPHData()
\n{
\nfloat pHdata; \/\/Store the average value of the sensor feedback
\nfloat pHValue,voltage;<\/p>\n
pHdata=analogRead(A9);
\nvoltage = pHdata*5.0\/1024;
\npHValue = 3.5*voltage+0.00;<\/p>\n
return pHValue;
\n}<\/p>\n
double SensorLibrary::avgArray(int* arr, int number)
\n{
\nint i;
\nint max,min;
\ndouble avg;
\nlong amount=0;
\nif(number<=0){
\nSerial.println(“Error number for the array to avraging!\/n”);
\nreturn 0;
\n}
\nif(number<5){ \/\/less than 5, calculated directly statistics
\nfor(i=0;i<number;i++){
\namount+=arr[i];
\n}
\navg = amount\/number;
\nreturn avg;
\n}else{
\nif(arr[0]<arr[1]){
\nmin = arr[0];max=arr[1];
\n}
\nelse{
\nmin=arr[1];max=arr[0];
\n}
\nfor(i=2;i<number;i++){
\nif(arr[i]<min){
\namount+=min; \/\/arr<min
\nmin=arr[i];
\n}else {
\nif(arr[i]>max){
\namount+=max; \/\/arr>max
\nmax=arr[i];
\n}else{
\namount+=arr[i]; \/\/min<=arr<=max
\n}
\n}\/\/if
\n}\/\/for
\navg = (double)amount\/(number-2);
\n}\/\/if
\nreturn avg;
\n}<\/p>\n
\/\/ * * * * * * * * * * * * * * * * * *<\/p>\n
Header File<\/p>\n
#ifndef SensorLibrary_h
\n#define SensorLibrary_h
\n#include “Arduino.h”<\/p>\n
class SensorLibrary
\n{
\npublic:
\nSensorLibrary();
\n\/\/CO2 Sensor functions
\nint getCO2Data();
\nfloat MGRead(int mg_pin);
\nint MGGetPercentage(float volts, float *pcurve);
\nfloat getWpTempData1();
\nfloat getWpTempData2();
\ndouble getLuxData();
\nfloat getHumidityData();
\nfloat getPHData();
\ndouble avgArray(int* arr, int number);
\n\/\/<\/p>\n
};<\/p>\n
#endif<\/p>\n","protected":false},"excerpt":{"rendered":"
C File #include <Wire.h> #include <SensorLibrary.h> SensorLibrary foginator; #define SLAVE_ADDRESS 0x04 int number = 0; int state = 0; int dataRead = 0; void setup() { \/\/pinMode(13, OUTPUT); Serial.begin(9600); \/\/ start serial for output \/\/ initialize i2c as slave Wire.begin(SLAVE_ADDRESS); \/\/ define callbacks for i2c communication Wire.onReceive(receiveData); Wire.onRequest(sendData); \/\/Serial.println(“Ready!”); } void loop() { delay(100); } […]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-210","page","type-page","status-publish","hentry","post-preview"],"_links":{"self":[{"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/pages\/210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/comments?post=210"}],"version-history":[{"count":1,"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/pages\/210\/revisions"}],"predecessor-version":[{"id":212,"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/pages\/210\/revisions\/212"}],"wp:attachment":[{"href":"https:\/\/ece454designprojects.scranton.edu\/foginator\/wp-json\/wp\/v2\/media?parent=210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}