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RFID-Transponder-Source-Code/RFID-Transponder-Source-test.ino

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+#include "ST25DVSensor.h"
+#include <SPI.h>
+#include <SD.h>
+#include <Wire.h> // Include Wire library for I2C communication
+
+#if defined(ARDUINO_B_L4S5I_IOT01A)
+  #define GPO_PIN PE4
+  #define LPD_PIN PE2
+  #define SDA_PIN PB11
+  #define SCL_PIN PB10
+  TwoWire MyWire(SDA_PIN, SCL_PIN); // Define TwoWire instance for I2C
+  ST25DV st25dv(12, -1, &MyWire); // Initialize ST25DV sensor with MyWire
+#else
+  #define DEV_I2C Wire
+  ST25DV st25dv(12, -1, &DEV_I2C); // Initialize ST25DV sensor with default Wire
+#endif
+
+String last_read;
+bool cleared = false;
+const int chipSelect = 7;
+
+void beep(int pitch, int duration, int loudness){
+  tone(24, pitch, loudness);
+  delay(duration);
+  noTone(24);
+  delay(10);
+}
+
+void printStart(){
+  Serial.println(F("         ╔═══╦═══╦══╦═══╗"));
+  Serial.println(F("         ║╔═╗║╔══╩╣╠╩╗╔╗║"));
+  Serial.println(F("         ║╚═╝║╚══╗║║─║║║║"));
+  Serial.println(F("         ║╔╗╔╣╔══╝║║─║║║║"));
+  Serial.println(F("         ║║║╚╣║──╔╣╠╦╝╚╝║"));
+  Serial.println(F("         ╚╝╚═╩╝──╚══╩═══╝"));  
+  Serial.println(F("By Ruben Schoonbaert"));
+  Serial.println(F("Written 29/12/2023"));
+}
+
+void setup() {
+  Serial.begin(9600);
+  pinMode(24, OUTPUT);
+  pinMode(25, OUTPUT);
+  digitalWrite(25, HIGH);
+  printStart();
+  
+  // Initialize ST25DV sensor
+  if(st25dv.begin() == 0) {
+    Serial.println(F("ST25DV Sensor initialized successfully."));
+    beep(2000, 100, 50);
+  } else {
+    Serial.println(F("ST25DV Sensor initialization failed!"));
+    digitalWrite(25, HIGH);
+    while(1);
+  }
+  
+  delay(500);
+  digitalWrite(25, LOW);
+
+  // Begin I2C communication (only if using MyWire instance)
+  #if !defined(ARDUINO_B_L4S5I_IOT01A)
+    DEV_I2C.begin();
+    // Send message to ESP8266
+    String message = "Test!";
+    DEV_I2C.beginTransmission(8); // Replace with your ESP8266's I2C address
+    DEV_I2C.print(message);
+    byte error = DEV_I2C.endTransmission();
+    
+    if (error == 0) {
+      Serial.println("Message sent successfully to ESP8266.");
+    } else {
+      Serial.print("Error sending message to ESP8266. Error code: ");
+      Serial.println(error);
+    }
+  #endif
+}
+
+void loop() {
+  // Your main loop code here
+  
+}