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Update lightsensor.ino #2

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309 changes: 210 additions & 99 deletions firmware/lightsensorFinal/lightsensor.ino
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Original file line number Diff line number Diff line change
@@ -1,14 +1,18 @@
#include <WiFi.h> //Wifi library
#include <HTTPClient.h> // library used for HTTP requests
#include "esp_wpa2.h" //wpa2 library for connections to Enterprise networks
#include "esp_eap_client.h" //wpa2 library for connections to Enterprise networks
#include <ArduinoJson.h> // Library to convert strings to json objects in arduino
#include <LiquidCrystal_I2C.h>

#define EAP_IDENTITY "e...." //if connecting from another corporation, use identity@organisation.domain in Eduroam
#define EAP_USERNAME "e...." //oftentimes just a repeat of the identity
#define EAP_PASSWORD "" //your Eduroam password
#include <Wire.h>


#define EAP_IDENTITY "e0702014" //if connecting from another corporation, use identity@organisation.domain in Eduroam
#define EAP_USERNAME "e0702014" //oftentimes just a repeat of the identity
#define EAP_PASSWORD "Rvhs3103YTPS1762!!!!" //your Eduroam password

const int analogInPin0 = 36; // Analog input pin that the potentiometer is attached to - Sensor 1
const int analogInPin1 = 39; // Sensor 2
const int analogInPin1 = 39; // Sensor 2 // these reefer to the pins on the pcb
const int analogInPin2 = 34; // Sensor 3
const int analogInPin3 = 35; // Sensor 4
const int analogInPin4 = 32; // Sensor 5
Expand All @@ -19,12 +23,51 @@ int sensorValue2 = 0; // Washer 3 1.8k - 4k
int sensorValue3 = 0; // Washer 4 3.2k - 4k
int sensorValue4 = 0; // Washer 5 1.7k - 4k

LiquidCrystal_I2C lcd(0x27, 16, 2);

const char* ssid = "NUS_STU"; // Eduroam SSID
const char* host = "www.google.com"; //external server domain for HTTP connection after authentification
#define ENDPOINT "https://free-api-ryfe.onrender.com/seventeenWashers/update"
#define ENDPOINT "http://167.71.198.73:3002/washers/update"
#define ENDPOINTD "http://167.71.198.73:3002/dryers/update"
int counter = 0;


String machine_name(int index) {
if (index == 0) {
return "Elm Washer 1";
} else if (index == 1) {
return "Elm Washer 2";
} else if (index == 2) {
return "Elm Washer 3";
} else if (index == 3) {
return "Elm Washer 4";
} else if (index == 4) {
return "Elm Washer 5";
} else if (index == 5) {
return "Elm Washer 6";
} else if (index == 6) {
return "Elm Dryer 1";
} else if (index == 7) {
return "Elm Dryer 2";
} else if (index == 8) {
return "Elm Dryer 3";
}
else if (index == 9) {
return "Elm Dryer 4";
}
else if (index == 10) {
return "Elm Dryer 5";
}
else if (index == 11) {
return "Elm Dryer 6";
}
}

void setup() {
//initialize lcd screen
lcd.init();
// turn on the backlight
lcd.backlight();
pinMode(2, OUTPUT);

Serial.begin(115200);
Expand Down Expand Up @@ -56,108 +99,52 @@ void setup() {
Serial.println("WiFi connected");
Serial.println("IP address set: ");
Serial.println(WiFi.localIP()); //print LAN IP
}

void loop() {
if (WiFi.status() == WL_CONNECTED) { //if we are connected to Eduroam network
counter = 0; //reset counter
Serial.println("Wifi is still connected with IP: ");
Serial.println(WiFi.localIP()); //inform user about his IP address
} else if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
WiFi.begin(ssid);
}
while (WiFi.status() != WL_CONNECTED) { //during lost connection, print dots
delay(500);
Serial.print(".");
counter++;
if(counter>=60){ //30 seconds timeout - reset board
ESP.restart();
}
}

Serial.print("Connecting to website: ");
Serial.println(host);
WiFiClient client;
HTTPClient http;
int no_machines = 12;
char url[] = "";
int curr_machine = 0;
int prevstate0 = 0;
int prevstate1 = 0;

// syntax - client.connect(ip/URL, port)
if (client.connect(host, 80)) {
Serial.println("Connected");
pinMode(36, INPUT_PULLUP);
pinMode(39, INPUT_PULLUP);
while (1) {

// read the analog in value:
sensorValue0 = analogRead(analogInPin0);
sensorValue1 = analogRead(analogInPin1);
sensorValue2 = analogRead(analogInPin2);
sensorValue3 = analogRead(analogInPin3);
sensorValue4 = analogRead(analogInPin4);
// tell the screen to write on the top row
lcd.setCursor(0,0);
// tell the screen to write “hello, from” on the top row
lcd.print(machine_name(curr_machine)+" ");
lcd.setCursor(0,1);
lcd.print("Button 1: Start Time");
lcd.setCursor(0,2);
lcd.print("Button 2: Next");

int sensorValues[5] = {sensorValue0, sensorValue1, sensorValue2, sensorValue3, sensorValue4};
int sensorThresholds[5] = {3800, 3650, 2800, 3650, 3650};
// print the results to the Serial Monitor:

bool inUse[] = {false, false, false, false, false};

for (int i = 0; i < 5; i++) {
if (sensorValues[i] > sensorThresholds[i]) {
digitalWrite(2, 1);
} else {
inUse[i] = true;
digitalWrite(2, 0);
}
if (digitalRead(36) == 0 && prevstate0 == 1) { // when button is pressed down it is 0
curr_machine = (curr_machine + 1) % no_machines;
}

for (int i = 0; i < 5; i++) {
Serial.print("sensor " + String(i) + "output value: ");
Serial.print(sensorValues[i]);
Serial.print(" inUse="+String(inUse[i]));
Serial.print("\n");
if (digitalRead(39) == 0 && prevstate1 == 1) {

HTTPClient http;
if (curr_machine >=6 ){
http.begin(ENDPOINTD);
} else {
http.begin(ENDPOINT);
}

// wait 2 milliseconds before the next loop for the analog-to-digital
// converter to settle after the last reading:
delay(2);

// Your Domain name with URL path or IP address with path
http.begin(ENDPOINT);
http.addHeader("Content-Type", "application/json");
int httpResponseCode = -1000000;

String payload = httpGET("https://free-api-ryfe.onrender.com/seventeenwashers");
DynamicJsonDocument doc(1024);
deserializeJson(doc, payload);

// Extract washer data
JsonObject washer1 = doc[0];
JsonObject washer2 = doc[1];
JsonObject washer3 = doc[2];
JsonObject washer4 = doc[3];
JsonObject washer5 = doc[4];

if (inUse[0]) { //washer1["timeLeftUserInput"].as<int>() == 0 && inUse[0]) {
httpResponseCode = http.PUT("{\"api_key\":\"https://free-api-ryfe.onrender.com\", \"name\": \"Washer " + String(1) + "\", \"timeLeftUserInput\": 25}");
Serial.print("sensor 1 sent");
}
if (inUse[1]) { //washer2["timeLeftUserInput"].as<int>() == 0 && inUse[1]) {
httpResponseCode = http.PUT("{\"api_key\":\"https://free-api-ryfe.onrender.com\", \"name\": \"Washer " + String(2) + "\", \"timeLeftUserInput\": 25}");
Serial.print("sensor 2 sent");
}
if (inUse[2]) { //washer3["timeLeftUserInput"].as<int>() == 0 && inUse[2]) {
httpResponseCode = http.PUT("{\"api_key\":\"https://free-api-ryfe.onrender.com\", \"name\": \"Washer " + String(3) + "\", \"timeLeftUserInput\": 25}");
Serial.print("sensor 3 sent");
httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+machine_name(curr_machine)+ "\", \"timeLeftUserInput\": 45}");
Serial.println(httpResponseCode);
Serial.println("light 1 sent");
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Set!");
delay(1000);
}
if (inUse[3]) { //washer4["timeLeftUserInput"].as<int>()== 0 && inUse[3]) {
httpResponseCode = http.PUT("{\"api_key\":\"https://free-api-ryfe.onrender.com\", \"name\": \"Washer " + String(4) + "\", \"timeLeftUserInput\": 25}");
Serial.print("sensor 4 sent");
}
if (inUse[4]) { //washer5["timeLeftUserInput"].as<int>() == 0 && inUse[4]) {
httpResponseCode = http.PUT("{\"api_key\":\"https://free-api-ryfe.onrender.com\", \"name\": \"Washer " + String(5) + "\", \"timeLeftUserInput\": 25}");
Serial.print("sensor 5 sent");
}
http.end();
Serial.println();
} else{
Serial.println("Connection unsucessful");
}
prevstate0 = digitalRead(36);
prevstate1 = digitalRead(39);
// Serial.println(digitalRead(36));
// Serial.println(digitalRead(39));
}
}

String httpGET(char *endpoint){
Expand All @@ -179,3 +166,127 @@ String httpGET(char *endpoint){
http.end();
return payload;
}

//just send 45 minutes
void loop() {
// delay(1000);
// // tell the screen to write on the top row

// if (WiFi.status() == WL_CONNECTED) { //if we are connected to Eduroam network
// counter = 0; //reset counter
// Serial.println("Wifi is still connected with IP: ");
// Serial.println(WiFi.localIP()); //inform user about his IP address
// } else if (WiFi.status() != WL_CONNECTED) { //if we lost connection, retry
// WiFi.begin(ssid);
// }
// while (WiFi.status() != WL_CONNECTED) { //during lost connection, print dots
// delay(500);
// Serial.print(".");
// counter++;
// if(counter>=60){ //30 seconds timeout - reset board
// ESP.restart();
// }
// }

// Serial.print("Connecting to website: ");
// Serial.println(host);
// WiFiClient client;
// HTTPClient http;

// //syntax - client.connect(ip/URL, port)
// if (client.connect(host, 80)) {
// Serial.println("Connected");

// // read the analog in value:
// sensorValue0 = analogRead(analogInPin0);
// sensorValue1 = analogRead(analogInPin1);
// sensorValue2 = analogRead(analogInPin2);
// sensorValue3 = analogRead(analogInPin3);
// sensorValue4 = analogRead(analogInPin4);
// // Serial.print("Voltage at analogInPin0: ");
// // Serial.println(sensorValue0);
// // Serial.print("Voltage at analogInPin1: ");
// // Serial.println(sensorValue1);
// // Serial.print("Voltage at analogInPin2: ");
// // Serial.println(sensorValue2);
// // Serial.print("Voltage at analogInPin3: ");
// // Serial.println(sensorValue3);
// // Serial.print("Voltage at analogInPin4: ");
// // Serial.println(sensorValue4);
// delay(3000);

// //washin pause done estimated time
// // int sensorValues[4] = {sensorValue0, sensorValue1, sensorValue2, sensorValue3}; //
// // int sensorThresholds[4] = {3800, 3650, 5000, 3650}; //figure out circuitry and see whether this works by tseting ldr - does it light up or at least serial print or smth
// // // print the results to the Serial Monitor:

// // bool inUse[] = {false, false, false, false};

// // for (int i = 0; i < 4; i++) {
// // if (sensorValues[i] > sensorThresholds[i]) { // VOLTAGe higher than threshold, i.e. indicator OFF --- voltage, not the brightness! // washing phase
// // digitalWrite(2, 1);
// // } else {
// // inUse[i] = true; // washer is inuse when the sensor values less than threshold, i.e. the LED is on.
// // digitalWrite(2, 0);
// // }
// // }

// // for (int i = 0; i < 4; i++) {
// // Serial.print("sensor " + String(i) + "output value: ");
// // Serial.print(sensorValues[i]);
// // Serial.print(" inUse="+String(inUse[i]));
// // Serial.print("\n");
// // }

// // wait 2 milliseconds before the next loop for the analog-to-digital
// // converter to settle after the last reading:
// // delay(2);

// // //Your Domain name with URL path or IP address with path
// // http.begin(ENDPOINT);
// // http.addHeader("Content-Type", "application/json");
// // int httpResponseCode = -1000000;

// // // String payload = httpGET("https://167.71.198.73:3002/seventeenwashers");
// // // DynamicJsonDocument doc(1024);
// // // deserializeJson(doc, payload);

// // // // Extract washer data
// // // JsonObject washer1 = doc[0];
// // JsonObject washer2 = doc[1];
// // JsonObject washer3 = doc[2];
// // JsonObject washer4 = doc[3];
// // JsonObject washer5 = doc[4];

// //int washingmachine_number = 1;
// char url[] = "";
// char washing_machine[] = "Elm Washer 1";
// httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+String(washing_machine)+ "\", \"timeLeftUserInput\": 45}");
// Serial.println(httpResponseCode);

// if (inUse[0]) { //washer1["timeLeftUserInput"].as<int>() == 0 && inUse[0]) { //if inuse[0] is true // the first indicator, like prewash
// httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+String(washing_machine)+ "\", \"timeLeftUserInput\": 30}");
// Serial.println(httpResponseCode);
// Serial.println("light 1 sent");
// }
// if (inUse[1]) { //washer2["timeLeftUserInput"].as<int>() == 0 && inUse[1]) { //midwash
// httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+String(washing_machine)+ "\", \"timeLeftUserInput\": 20}");
// Serial.println(httpResponseCode);
// Serial.println("light 2 sent");
// }
// if (inUse[2]) { //washer3["timeLeftUserInput"].as<int>() == 0 && inUse[2]) { //end wash
// httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+String(washing_machine)+ "\", \"timeLeftUserInput\": 10}");
// Serial.println(httpResponseCode);
// Serial.println("light 3 sent");
// }
// // if (inUse[3]) { //washer4["timeLeftUserInput"].as<int>()== 0 && inUse[3]) { // lock
// // httpResponseCode = http.PUT("{\"api_key\":\"" + String(url) + "\", \"name\": \""+String(washing_machine)+ "\", \"timeLeftUserInput\": 0}");
// // Serial.println("light 4 sent");
// // }
// http.end();
// Serial.println();
// } else{
// Serial.println("Connection unsucessful");
// }
}