🚀 ready for testing

README.md

@@ -4,13 +4,13 @@
 [https://randomnerdtutorials.com/esp32-mfrc522-rfid-reader-arduino/](https://randomnerdtutorials.com/esp32-mfrc522-rfid-reader-arduino/)
 
 
-| MFRC522 RFID Reader | ESP32         | Description | Color  |
+| MFRC522 RFID Reader | ESP32         | Description |
-|---------------------|---------------|-------------|--------|
+|---------------------|---------------|-------------|
-| SDA | GPIO 5        | SPI signal input, I2C data line, or UART data input | blue   |
+| SDA | GPIO 5        | SPI signal input, I2C data line, or UART data input | 
-| SCK | GPIO 18       | SPI clock | brown  |
+| SCK | GPIO 18       | SPI clock |
-| MOSI | GPIO 23       | SPI data input | grey   |
+| MOSI | GPIO 23       | SPI data input |
-| MISO | GPIO 19       | SPI master-in-slave-out, I2C serial clock, or UART serial output | white  |
+| MISO | GPIO 19       | SPI master-in-slave-out, I2C serial clock, or UART serial output |
-| IRQ | Don't connect | Interrupt pin; signals the microcontroller when an RFID tag is nearby | -      |
+| IRQ | Don't connect | Interrupt pin; signals the microcontroller when an RFID tag is nearby |
-| GND | GND           | Ground connection | black  |
+| GND | GND           | Ground connection |
-| RST | GPIO 21       | LOW signal to put the module in power-down mode; send a HIGH signal to reset the module | yellow |
+| RST | GPIO 21       | LOW signal to put the module in power-down mode; send a HIGH signal to reset the module |
-| 3.3V | 3.3V          | Power supply (2.5-3.3V) | orange |
+| 3.3V | 3.3V          | Power supply (2.5-3.3V) |

src/config.h

@@ -29,7 +29,7 @@ constexpr auto ssid = "ElaZereVsetko2g";
 constexpr auto password = "CoJeElaToJeEla";
 
 // API config
-constexpr auto apiHost = "http://192.168.50.87:8111/";
+constexpr auto apiHost = "http://192.168.50.87:8111";
 constexpr auto healthCheckUrl = "api/timer/healthcheck/"; // GET method
 constexpr auto writeTimerUrl = "api/timer/write"; // POST method, need aditional url params /{timerID}/{chipUID}/{unixtime}.{milisec}/
 

src/main.cpp

@@ -33,18 +33,23 @@ void setup() {
         while (!Serial); // Wait for the serial port to connect
     }
 
+    // print the board ID
+    if (DEBUG) {
+        Serial.println("Board ID: " + getBoardID());
+    }
+
     // Connect to the Wi-Fi network
     WiFi.begin(ssid, password);
     while (WiFi.status() != WL_CONNECTED) {
         delay(1000);
         if (DEBUG)
         {
-            Serial.println(".");
+            Serial.print(".");
         }
     }
     if (DEBUG)
     {
-        Serial.println("WiFi connected");
+        Serial.println(" WiFi connected");
     }
 
     // Initialize NTP client
@@ -65,6 +70,9 @@ void setup() {
     // Initialize the MFRC522 board
     mfrc522.PCD_Init();
 
+    // Check if the reader is ready
+
+
     // loop until the API is ready
     while (!checkAPI()) {
         delay(1000);
@@ -76,9 +84,10 @@ void setup() {
 }
 
 void loop() {
-    // Check the health of the system
+    // Check the health of the system and update the time
     if (millis() - lastCheck > healthCheckInterval) {
         healthCheck();
+        timeClient.update();
         lastCheck = millis();
     }
 
@@ -93,10 +102,15 @@ void loop() {
         return; // Exit the loop if no card could be read
     }
 
+
+    // get cardUID and current time
+    String cardUID = getCardUID(mfrc522);
+    const unsigned long epochTIme = timeClient.getEpochTime();
+
     // Read and print the UID of the card
     if (DEBUG) {
         try {
-            Serial.println(timeClient.getFormattedTime() + " - " + getCardUID(mfrc522));
+            Serial.println(String(epochTIme) + " - " + getCardUID(mfrc522));
         } catch (const std::exception &e) {
             Serial.println("Error reading the card UID: " + String(e.what()));
         }
@@ -105,6 +119,12 @@ void loop() {
     // Perform additional actions when a card is read
     beepAndBlink(1000, 1);
 
+    const bool ok = writeToAPI(cardUID, epochTIme);
+    if (ok)
+    {
+        beepAndBlink(40, 2);
+    }
+
     // Delay to avoid reading the same card multiple times
     delay(afterReadDelay);
 }

src/utils.cpp

@@ -2,16 +2,17 @@
 #include "config.h"
 #include <HTTPClient.h>
 
-// Enable or disable the buzzer
-extern const bool buzzerEnabled;
 
-// Enable or disable the LED
-extern const bool ledEnabled;
-
-// Define the pins for the buzzer and the LED
-extern const int buzzerPin;
-extern const int ledPin;
 
+String getBoardID()
+{
+    String boardID = "";
+    for (int i = 0; i < 6; i++)
+    {
+        boardID += String(ESP.getEfuseMac() >> (40 - i * 8) & 0xff, 16);
+    }
+    return boardID;
+}
 
 void ledOn()
 {
@@ -74,13 +75,37 @@ void beepAndBlink(const int duration, const int count)
     }
 }
 
+bool writeToAPI(const String& cardID, const unsigned long currentTime)
+{
+    const unsigned long microseconds = micros() % 1000000;
+
+    char url[256];
+    snprintf(url, sizeof(url), "%s/%s/%s/%s/%d.%d/",
+        apiHost,
+        writeTimerUrl,
+        getBoardID().c_str(),
+        cardID.c_str(),
+        currentTime - 3600, // Subtract one hour from the current time
+        microseconds
+        );
+
+    Serial.println(url);
+
+    // Send the HTTP GET request
+    HTTPClient http;
+    http.begin(url);
+    int httpResponseCode = http.GET();
+    http.end();
+
+    return httpResponseCode == 200;
+}
+
 bool checkAPI()
 {
     // Send the HTTP GET request
     HTTPClient http;
-    char url[256]; // Make sure this is large enough for your URL
+    char url[256];
-    snprintf(url, sizeof(url), "%s%s", apiHost, healthCheckUrl);
+    snprintf(url, sizeof(url), "%s/%s", apiHost, healthCheckUrl);
-    Serial.println(url);
     http.begin(url);
     int httpResponseCode = http.GET();
     bool success = (httpResponseCode == 200);
@@ -106,7 +131,7 @@ void healthCheck()
     }
 
     // If the health check failed, beep and blink the LED
-    beepAndBlink(10, 50);
+    beepAndBlink(40, 20);
     ledOff();
     // reset the board
     ESP.restart();

src/utils.h

@@ -4,13 +4,15 @@
 #include <Arduino.h>
 #include <MFRC522v2.h>
 
+String getBoardID();
 void ledOn();
 void ledOff();
 void buzzerOn();
 void buzzerOff();
-String getCardUID(const MFRC522 &mfrc522);
+String getCardUID(const MFRC522& mfrc522);
 void beepAndBlink(int duration = 1000, int count = 1);
 bool checkAPI();
+bool writeToAPI(const String& cardID, unsigned long currentTime);
 void healthCheck();
 
 #endif // UTILS_H