From f7572e82ea281fbdb32b41537d5393550dbf536d Mon Sep 17 00:00:00 2001
From: SWETRAK <kamilpietrak123@icloud.com>
Date: Fri, 3 Jul 2026 23:59:58 +0200
Subject: [PATCH] feat: added proper config for SPI config

---
 APL_Slave_1/src/main.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/APL_Slave_1/src/main.cpp b/APL_Slave_1/src/main.cpp
index cadbf52..0183c1e 100644
--- a/APL_Slave_1/src/main.cpp
+++ b/APL_Slave_1/src/main.cpp
@@ -1,6 +1,7 @@
 #include <Arduino.h>
 #include <Wire.h>
 #include <MFRC522.h>
+#include <SPI.h>
 
 #define SDA_PIN 21
 #define SCL_PIN 22
@@ -10,9 +11,13 @@
 // Card reader pins
 #define READER_COUNT 6
 
-#define RST_PIN 9
+#define MISO_PIN 19
+#define MOSI_PIN 23
+#define SCK_PIN 18
 
-#define SS_ONE_PIN 10
+#define RST_PIN 27
+
+#define SS_ONE_PIN 26
 #define SS_TWO_PIN 5
 #define SS_THREE_PIN 4
 #define SS_FOUR_PIN 2
@@ -33,6 +38,7 @@ const byte READER_ADDRESSES[READER_COUNT] = {
     0x04, 0x05, 0x06, 0x07, 0x08, 0x09};
 
 // List of proper cards uuid's
+// TODO: Update this UUID's to the specific cards that will be used
 const byte CORRECT_UIDS[READER_COUNT][4] = {
     {0xDE, 0xAD, 0xBE, 0xEF}, // Reader 1
     {0xCA, 0xFE, 0xBA, 0xBE}, // Reader 2
@@ -67,6 +73,9 @@ void setup()
 
   Wire.onRequest(requestEvent);
 
+  // Initialize SPI with specified pins
+  SPI.begin(SCK_PIN, MISO_PIN, MOSI_PIN, -1);
+
   initializeReaders();
 }