"RFID Reader" rev_11

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    - Project: "RFID Reader"
    - Source Code NOT compiled for: Arduino Mega
    - Source Code created on: 2024-06-12 11:35:29

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* read info about tag which is closed to rfid. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <SPI.h>
#include <MFRC522.h>  //https://github.com/miguelbalboa/rfid

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t rfid_MFRC522_IRQ_PIN_D5 = 5;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t rfid_MFRC522_RST_PIN_D4 = 4;

/***** DEFINITION OF SPI PINS *****/
const uint8_t rfid_MFRC522_SPI_PIN_MOSI_D51 = 51;
const uint8_t rfid_MFRC522_SPI_PIN_MISO_D50 = 50;
const uint8_t rfid_MFRC522_SPI_PIN_SCLK_D52 = 52;
const uint8_t rfid_MFRC522_SPI_PIN_CS_D53 = 53;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool rfid_MFRC522_RST_PIN_D4_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float rfid_MFRC522_RST_PIN_D4_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
MFRC522 mfrc522(rfid_MFRC522_SPI_PIN_CS_D53, rfid_MFRC522_RST_PIN_D4);  // Create MFRC522 instance

void setup(void) {
  // Initialize serial communications with the PC
  Serial.begin(9600);
  while (!Serial);  // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)

  // Initialize the SPI library
  SPI.begin();

  // Initialize the MFRC522
  mfrc522.PCD_Init();
  mfrc522.PCD_DumpVersionToSerial();  // Show details of PCD - MFRC522 Card Reader details

  // Print a message indicating readiness to scan RFID tags or cards
  Serial.println(F("Scan PICC to see UID, SAK, type, and data blocks..."));

  // Setup pin modes
  pinMode(rfid_MFRC522_IRQ_PIN_D5, INPUT_PULLUP);
  pinMode(rfid_MFRC522_RST_PIN_D4, OUTPUT);
  pinMode(rfid_MFRC522_SPI_PIN_CS_D53, OUTPUT);
}

void loop(void) {
  // Refresh output data
  updateOutputs();

  // Check for new cards
  if (!mfrc522.PICC_IsNewCardPresent()) {
    return;
  }

  // Select one of the cards
  if (!mfrc522.PICC_ReadCardSerial()) {
    return;
  }

  // Dump debug info about the card; PICC_HaltA() is automatically called
  mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
}

void updateOutputs() {
  // Update the raw data to the physical pin
  digitalWrite(rfid_MFRC522_RST_PIN_D4, rfid_MFRC522_RST_PIN_D4_rawData);
}

/* END CODE */