From 3eeaa43b3d235b6801b88280a3a6348034f32dd2 Mon Sep 17 00:00:00 2001
From: Wesley Hofman <Wesley@WERKPC>
Date: Wed, 17 Sep 2025 01:43:19 +0200
Subject: [PATCH] Initial Commit

---
 sencure.ino | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 sencure.ino

diff --git a/sencure.ino b/sencure.ino
new file mode 100644
index 0000000..8fdc796
--- /dev/null
+++ b/sencure.ino
@@ -0,0 +1,123 @@
+#include <Wire.h>
+
+const int deviceAddress = 0x68; // I2C address of the device (change as needed)
+const uint8_t relay1 = 2;
+const uint8_t relay2 = 3;
+const uint8_t oe = 5;
+const uint8_t d6 = 6; // Define pin D6
+bool actionPerformed = false; // Flag to track if the action has been performed
+
+// Function to transmit 16-bit data in little-endian format
+void transmitData(uint8_t registerAddress, uint16_t data) {
+    Wire.beginTransmission(deviceAddress);
+    Wire.write(registerAddress); // Send the register address
+    Wire.write(data & 0xFF);      // Send the low byte (LSB)
+    Wire.write((data >> 8) & 0xFF); // Send the high byte (MSB)
+    Wire.endTransmission();
+}
+
+// Function to read back data from the register
+uint16_t readData(uint8_t registerAddress) {
+    uint16_t receivedData = 0;
+    
+    // First, send the register address to read from
+    Wire.beginTransmission(deviceAddress);
+    Wire.write(registerAddress); // Send the register address
+    Wire.endTransmission();
+    if (Wire.endTransmission() != 0) {
+    Serial.println("Device not found");
+    return 0; // Return 0 or some error code
+}
+    
+    // Now request 2 bytes from the device
+    Wire.requestFrom(deviceAddress, 2);
+    if (Wire.available() == 2) {
+        receivedData |= Wire.read();       // Read low byte (LSB)
+        receivedData |= Wire.read() << 8; // Read high byte (MSB)
+    }
+    return receivedData;
+}
+
+void setup() {
+    Serial.begin(9600);
+    Wire.begin(); // Initialize I2C
+    pinMode(relay1,OUTPUT);
+    pinMode(relay2,OUTPUT);
+    pinMode(d6, INPUT); // Set D6 as input
+
+    for(int i = 8; i <= 13; i++)
+    {
+        pinMode(i,OUTPUT);
+        digitalWrite(i,LOW);
+    }
+    pinMode(oe,OUTPUT);
+    digitalWrite(relay1,LOW);
+    digitalWrite(relay2,LOW);
+    digitalWrite(oe,HIGH);
+
+}
+
+void printHex(uint16_t value) {
+    Serial.print("0x");
+    if (value < 0x10) {
+        Serial.print("000");
+    } else if (value < 0x100) {
+        Serial.print("00");
+    } else if (value < 0x1000) {
+        Serial.print("0");
+    }
+    Serial.println(value, HEX); // Print the value in hexadecimal
+}
+
+unsigned long lastDebounceTime = 0; // Last time the pin state changed
+unsigned long debounceDelay = 50;    // Debounce delay in milliseconds
+int lastD6State = LOW;                // Last stable state of D6
+int currentD6State;                   // Current state of D6
+
+void loop() {
+    // Read the current state of D6
+    int reading = digitalRead(d6);
+
+    // Check if the state has changed
+    if (reading != lastD6State) {
+        // Reset the debounce timer
+        lastDebounceTime = millis();
+    }
+
+    // If the state has been stable for the debounce delay, update the state
+    if ((millis() - lastDebounceTime) > debounceDelay) {
+        // Only proceed if the state has changed
+        if (reading != currentD6State) {
+            currentD6State = reading;
+
+            // Only act if the new state is HIGH and the action hasn't been performed yet
+            if (currentD6State == HIGH && !actionPerformed) {
+                uint8_t registerAddress = 0xBF;
+                uint16_t dataToSend = 0x0000;
+
+                // Transmit the data
+                transmitData(registerAddress, dataToSend); // Transmit data
+                // Read back data
+                uint16_t receivedData = readData(registerAddress); // Read back data
+
+                // Use the method to print received data in hexadecimal format
+                Serial.println("Received data : ");
+                printHex(receivedData); // Print formatted received data
+                Serial.println(); // New line for better readability
+
+                // Set the action performed flag to true
+                actionPerformed = true;
+            }
+        }
+    }
+
+    // If the state is LOW, reset the action performed flag
+    if (currentD6State == LOW) {
+        actionPerformed = false;
+    }
+
+    // Update the last stable state
+    lastD6State = reading;
+}
+    
+    
\ No newline at end of file