From 1f13ca71f04e48cb75982b17a8d1ea5b8b5aed28 Mon Sep 17 00:00:00 2001
From: Marcel <marcel@schuerch.id>
Date: Thu, 16 May 2024 15:19:30 +0200
Subject: [PATCH] implements basic station detection

---
 main/main.ino    | 56 ++++++++++++++++++++++++++++++++----------------
 main/state.cpp   |  0
 main/state.h     | 12 +++++++++++
 main/station.cpp | 12 +++++++++++
 main/station.h   | 11 ++++++++++
 5 files changed, 72 insertions(+), 19 deletions(-)
 create mode 100644 main/state.cpp
 create mode 100644 main/state.h
 create mode 100644 main/station.cpp
 create mode 100644 main/station.h

diff --git a/main/main.ino b/main/main.ino
index f929cc3..959aeb9 100644
--- a/main/main.ino
+++ b/main/main.ino
@@ -1,43 +1,61 @@
+#include <LiquidCrystal.h>
 #include <PN532.h>
 #include <SPI.h>
 
+#include "station.h"
+
 #define PN532_CS 10
 
 PN532 nfc(PN532_CS);
 
-const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
+const int rs = 9, en = 8, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
 LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
 
+Station stations[4] = { Station(1680767519, "Yellow"), Station(3346823711, "Green"), Station(3569318175, "Pink"), Station(2174777887, "Blue") };
+
 void setup(void) {
+  setupNFC();
+
+  lcd.begin(16, 2);
+  lcd.setCursor(0, 0);
+  lcd.print("Test");
+}
+
+void loop(void) {
+  lcd.clear();
+  checkStations();
+  delay(1000);
+}
+
+void setupNFC() {
   nfc.begin();
 
   uint32_t versiondata = nfc.getFirmwareVersion();
-  if (! versiondata) {
-    while (1); // halt
+  if (!versiondata) {
+    while (1)
+      ;  // halt
   }
   // configure board to read RFID tags and cards
   nfc.SAMConfig();
 }
 
-void loop(void) {
+void checkStations() {
+  Station* station = detectStation();
+  lcd.setCursor(0, 0);
+  lcd.print("docked to station ");
+}
+
+Station* detectStation() {
   uint32_t id;
-  // look for MiFare type cards
   id = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A);
-  if (id != 0) 
-  {
-  
-    uint8_t keys[]= { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF };
-    if(nfc.authenticateBlock(1, id ,0x08,KEY_A,keys)) //authenticate block 0x08
-    {
-      //if authentication successful
-
-      uint8_t block[16];
-      //read memory block 0x08
-      if(nfc.readMemoryBlock(1,0x08,block))
-      {
-
+  Station* found = 0;
+  for (int i = 0; i < sizeof(stations); i++) {
+    Station* currentStation = &stations[i];
+    if (id != 0) {
+      if(currentStation->check(id)) {
+        found = currentStation;
       }
     }
   }
- delay(1000);
+  return found;
 }
diff --git a/main/state.cpp b/main/state.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/main/state.h b/main/state.h
new file mode 100644
index 0000000..2613517
--- /dev/null
+++ b/main/state.h
@@ -0,0 +1,12 @@
+#pragma once
+
+enum class State {
+
+}
+
+class GameState {
+private:
+
+public:
+
+}
diff --git a/main/station.cpp b/main/station.cpp
new file mode 100644
index 0000000..1b46910
--- /dev/null
+++ b/main/station.cpp
@@ -0,0 +1,12 @@
+#include "station.h"
+
+Station::Station(uint32_t nfcTagId, String name) {
+  {
+    this->nfcTagId = nfcTagId;
+    this->name = name;
+  }
+}
+
+bool Station::check(uint32_t nfcTagId) {
+  return nfcTagId == this->nfcTagId;
+}
diff --git a/main/station.h b/main/station.h
new file mode 100644
index 0000000..876ffe1
--- /dev/null
+++ b/main/station.h
@@ -0,0 +1,11 @@
+#pragma once
+#include <Arduino.h>
+
+class Station {
+private:
+  uint32_t nfcTagId;
+  String name;
+public:
+  Station(uint32_t nfcTagId, String name);
+  bool check(uint32_t nfcTagId);
+};