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- Project: **Sensor Integration**
- Source Code NOT compiled for: ESP32 DevKit V1
- Source Code created on: 2024-10-20 16:57:49
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* merge code. */
/****** END SYSTEM REQUIREMENTS *****/
/* START CODE */
/****** DEFINITION OF LIBRARIES *****/
#include
#include "ACS712.h"
#include
#include
#include
#include
#include
#include
#include
#include "X9C10X.h"
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
// Access Point credentials
char ssid[] = "pleasedontcode.com"; // your network SSID (name)
char pass[] = "prova1234"; // at least 8 characters - your network password (use for WPA, or use as key for WEP)
// Create an instance of the web server
AsyncWebServer server(80);
// Instantiate TinyGPSPlus object
TinyGPSPlus gps;
// Instantiate ACS712 current sensor
ACS712 ACS(current_pin, 3.3, 4095, 40); // pin 34 for current sensor acquisition; sensor power is 3.3V
// Instantiate X9C10X digital potentiometer
X9C10X pot(10000); // 10KΩ - digital potentiometer X9C103S
// Setup OneWire and DallasTemperature
OneWire oneWire1(ONE_WIRE_BUS_Temp1);
OneWire oneWire2(ONE_WIRE_BUS_Temp2);
DallasTemperature sensor1(&oneWire1);
DallasTemperature sensor2(&oneWire2);
/****** FUNCTION DEFINITIONS *****/
void printWiFiStatus();
void printWebPage();
void checkClientRequest(String currentLine);
bool ReplyWebPageContent = true;
bool ReplyResetTime = false;
bool postUpdateData = false;
static const int GPSBaud = 9600;
#define ss Serial2
unsigned long TEMPO_ATTESA_VISUALIZZAZIONE_VELOCITA = 300;
unsigned long SpeedShowTimer = 0;
// Counter to track seconds
unsigned long secondsCounter = 0;
unsigned long previousMillis = millis(); // Variable to store the previous millis value
unsigned long currentMillis = millis();
unsigned long minutesCounter = 0;
// PINS
const int water_level_pin = 18;
const int voltage_pin = 35;
const int current_pin = 34;
const int tempSensor1_pin = 33;
const int tempSensor2_pin = 32;
const int ONE_WIRE_BUS_Temp1 = 19; // temperature probe 1
const int ONE_WIRE_BUS_Temp2 = 21; // temperature probe 2
const int DIGPOT_INC = 4; // pin INC - X9C103S
const int DIGPOT_UD = 5; // pin UD - X9C103S
const int DIGPOT_CS = 15; // pin CS - X9C103S
#define VELOCITA_SOGLIA_HIGH 75.0 // km/h
#define VELOCITA_SOGLIA_LOW 65.0 // km/h
#define VELOCITA_SOGLIA_0A_HIGH 20.0 // km/h - threshold below 15 km/h turns off current supply
#define VELOCITA_SOGLIA_0A_LOW 10.0 // km/h
const float PWM_output_percentage_0A = 0.0; // 0%
const float PWM_output_percentage_9A = 20.0; // 20% --> 1V/5V
const float PWM_output_percentage_5A = 13.0; // 13% --> 0.65V/5V
// Global data to transfer
float PWM_output_percentage = 0.0;
float velocita = 0.0;
float voltage_output_value = 0.0;
bool waterLevelEmpty = true;
float voltage = 0.0;
float current = 0.0;
float temperature1 = 0.0;
float temperature2 = 0.0;
unsigned long powerOnTime = 0; // minutes
boolean startRegeneration = false;
unsigned int set_current = 0;
unsigned int set_timer = 0;
// Initialize SPIFFS for file storage
void initSPIFFS() {
if (!SPIFFS.begin(true)) {
Serial.println("An error occurred while mounting SPIFFS");
return;
}
Serial.println("SPIFFS mounted successfully");
}
void setup() {
// Start Serial for debugging
Serial.begin(115200);
delay(1000);
Serial.println("ciao");
// Initialize digital potentiometer
pot.begin(DIGPOT_INC, DIGPOT_UD, DIGPOT_CS); // pulse, direction, select // INC = 4, UD = 5, CS = 15
// NON TOGLIERE - SERVE PER NON FAR SBARELLARE LA MACCHINA
for(int i=0; i<10;i++) {
setCurrentOutput(0);
delay(20);
setCurrentOutput(100);
delay(20);
}
setCurrentOutput(PWM_output_percentage);
readMinutesCounterFromEEPROM();
ss.begin(GPSBaud);
Serial.println("ciao2");
sensor1.begin();
sensor2.begin();
smartDelay(1000);
ACS.setMidPoint(ADC_Offset);
Serial.println(F("Access Point Web Server"));
// Initialize SPIFFS
initSPIFFS();
WiFi.mode(WIFI_AP); // Set the ESP32 to access point mode
if (!WiFi.softAP(ssid, pass)) {
Serial.println("Soft AP creation failed.");
while(1);
}
// Print the IP address of the access point
IPAddress IP = WiFi.softAPIP();
Serial.print("Access Point IP Address: ");
Serial.println(IP);
// Serve the JPEG image
server.on("/background.jpg", HTTP_GET, [](AsyncWebServerRequest *request){
Serial.println("0");
request->send(SPIFFS, "/background.jpg", "image/jpeg");
});
// Serve the HTML page
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
Serial.println("1");
request->send(SPIFFS, "/index.html", "text/html");
});
server.on("/UPDATEDATA", HTTP_POST, [](AsyncWebServerRequest *request) {
// Log post request handling
//Serial.println("postUpdateData");
// Allocate a temporary JsonDocument
StaticJsonDocument<512> doc;
// Gather data and populate JSON
updateData(doc);
// Convert the JSON document to string and send it in response
String response;
serializeJsonPretty(doc, response);
request->send(200, "application/json", response);
});
// Start the server
server.begin();
}
void loop() {
// No logic in the loop; the server works asynchronously
readGPSAndCheckSpeed();
readCurrent();
readVoltage();
readWaterTank();
readTemp1();
readTemp2();
updateMinutesCounter();
checkRegeneration();
}
// The updateData function to generate the JSON payload
void updateData(JsonDocument &doc) {
if (velocita > 0.0) {
doc["speed"] = String(velocita) + String(F(" km/h"));
} else {
doc["speed"] = String(F("ERROR"));
}
doc["voltageCommandOut"] = String(F("Tensione uscita comando: ")) + String(voltage_output_value) + String(F("/3.3 [V]"));
doc["percentageCommandOut"] = String(F("Uscita comando PWM: ")) + String(PWM_output_percentage) + String(F(" [%]"));
doc["waterTankLevel"] = waterLevelEmpty ? String(F("VUOTO")) : String(F("PIENO"));
doc["powerOnTime"] = String(powerOnTime) + String(F(" min"));
doc["current"] = String(current) + String(F(" A"));
doc["voltage"] = String(voltage) + String(F(" V"));
doc["temperature1"] = String(temperature1) + String(F(" °C"));
doc["temperature2"] = String(temperature2) + String(F(" °C"));
doc["set_timer"] = String(F("Timer : ")) + String(set_timer) + String(F(" min"));
}
// Additional functions remain unchanged...
/* END CODE */
