How to Dump UID which is read by MFRC522v2 To Variable

supflynn · August 3, 2022, 6:18am

> #include <MFRC522v2.h>
> #include <MFRC522DriverSPI.h>
> #include <MFRC522DriverPinSimple.h>
> #include <MFRC522Debug.h>
> 
> MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
> 
> MFRC522DriverSPI driver_1{ss_1_pin};
> 
> MFRC522 readers[]{driver_1};   // Create MFRC522 instance.
> 
> /**
>  * Initialize.
>  */
> void setup() {
>   Serial.begin(115200);  // Initialize serial communications with the PC for debugging.
>   while (!Serial);     // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4).
>   
>   for (MFRC522 reader : readers) {
>     reader.PCD_Init(); // Init each MFRC522 card.
>     Serial.print(F("Reader "));
>     static uint8_t i = 0;
>     i++;
>     Serial.print(i);
>     Serial.print(F(": "));
>     MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
>   }
> }
> 
> /**
>  * Main loop.
>  */
> void loop() {
>   // Look for new cards.
>   for (MFRC522 reader : readers) {
>     if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
>       Serial.print(F("Reader "));
>       static uint8_t i = 0;
>       i++;
>       Serial.print(i);
>       
>       // Show some details of the PICC (that is: the tag/card).
>       Serial.print(F(": Card UID:"));
>       MFRC522Debug::PrintUID(Serial, reader.uid);
>       Serial.println();
>       
>       Serial.print(F("PICC type: "));
>       MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
>       Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
>       
>       // Halt PICC.
>       reader.PICC_HaltA();
>       // Stop encryption on PCD.
>       reader.PCD_StopCrypto1();
>     }
>   }
> }

This code is imported from MFRC522v2 libraries examples section. I edited it a bit. I want to know how can I read UID's from MFRC522 and later on dump them into a variable to display on oled.

sterretje · August 3, 2022, 6:30am

To my knowledge the UUID is just a byte array. So you can just copy it, e.g. using memcmp.

Not behind a PC to check.

supflynn · August 3, 2022, 6:32am

So how do can i print it i made a code something like this but it didn't worked out. I actually didn't get where is read UID's stored. I'm using arduino UNO, MFRC522 and 128x64 ssd1306 oled.

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}


void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
    }
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(10, 0);
    display.print(rtc.formatTime());
    display.display();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(30,20);
    display.print(reader.uid);
    delay(5000);
  }

J-M-L · August 3, 2022, 7:12am

Can you provide a link to that library?

supflynn · August 3, 2022, 7:17am

noiasca · August 3, 2022, 7:49am

The UID ist already in your variable reader.uid:

MFRC522Debug::PrintUID(Serial, reader.uid);

"but" reader.uid is an array, so you need some work to print each value to your display.

the implementation of PrintUID is:


void MFRC522Debug::PrintUID(Print &logPrint, const MFRC522Constants::Uid &uid) {
  for(byte i = 0; i < uid.size; i++) {
    logPrint.print(uid.uidByte[i] < 0x10 ? " 0" : " ");
    logPrint.print(uid.uidByte[i], HEX);
  }
}

so you could try to handover your display to this function.

MFRC522Debug::PrintUID(display, reader.uid);

if this is not working.

post your sketch
activate the detailed warnings in the IDE Preferences and post all the error messages you get in code tags.

J-M-L · August 3, 2022, 7:57am

So the UID struct is defined here

typedef struct {
    byte size;      // Number of bytes in the UID. 4, 7 or 10.
    byte uidByte[10];
    byte sak;      // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;

You have access to the size and byte array

supflynn · August 3, 2022, 7:58am

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}

void MFRC522Debug::PrintUID(Print &logPrint, const MFRC522Constants::Uid &uid) {
  for(byte i = 0; i < uid.size; i++) {
    logPrint.print(uid.uidByte[i] < 0x10 ? " 0" : " ");
    logPrint.print(uid.uidByte[i], HEX);
  }
}

void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
    }
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(10, 0);
    display.print(rtc.formatTime());
    display.display();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(30,20);
    MFRC522Debug::PrintUID(display, reader.uid);
    delay(5000);
  }

This is the error code

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_481196 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_390188 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino
C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_481196 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_390188 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino
Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Detecting libraries used...
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for Rtc_Pcf8563.h: [Rtc_Pcf8563@1.0.3]
ResolveLibrary(Rtc_Pcf8563.h)
  -> candidates: [Rtc_Pcf8563@1.0.3]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for Wire.h: [Wire@1.0]
ResolveLibrary(Wire.h)
  -> candidates: [Wire@1.0]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for Adafruit_GFX.h: [Adafruit_GFX_Library@1.11.3]
ResolveLibrary(Adafruit_GFX.h)
  -> candidates: [Adafruit_GFX_Library@1.11.3]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for Adafruit_I2CDevice.h: [Adafruit_BusIO@1.12.0]
ResolveLibrary(Adafruit_I2CDevice.h)
  -> candidates: [Adafruit_BusIO@1.12.0]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for SPI.h: [SPI@1.0]
ResolveLibrary(SPI.h)
  -> candidates: [SPI@1.0]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for Adafruit_SSD1306.h: [Adafruit_SSD1306@2.5.6]
ResolveLibrary(Adafruit_SSD1306.h)
  -> candidates: [Adafruit_SSD1306@2.5.6]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
Alternatives for MFRC522v2.h: [RFID_MFRC522v2@2.0.3]
ResolveLibrary(MFRC522v2.h)
  -> candidates: [RFID_MFRC522v2@2.0.3]
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src\\Rtc_Pcf8563.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\Wire.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\utility\\twi.c" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GFX.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GrayOLED.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_SPITFT.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\glcdfont.c" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_BusIO_Register.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_I2CDevice.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_SPIDevice.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src\\SPI.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306\\Adafruit_SSD1306.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Debug.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverI2C.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverSPI.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Hack.cpp" -o nul
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522v2.cpp" -o nul
Generating function prototypes...
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\preproc\\ctags_target_for_gcc_minus_e.cpp"
"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\preproc\\ctags_target_for_gcc_minus_e.cpp"
Compiling sketch...
"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_481196\\sketch\\RFID.ino.cpp.o"
C:\Users\Administrator\Downloads\RFID\RFID.ino: In function 'void loop()':
RFID:183:37: error: 'reader' was not declared in this scope
     MFRC522Debug::PrintUID(display, reader.uid);
                                     ^~~~~~
C:\Users\Administrator\Downloads\RFID\RFID.ino:183:37: note: suggested alternative: 'readers'
     MFRC522Debug::PrintUID(display, reader.uid);
                                     ^~~~~~
                                     readers
Using library Rtc_Pcf8563 at version 1.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Rtc_Pcf8563 
Using library Wire at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\Wire 
Using library Adafruit_GFX_Library at version 1.11.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_GFX_Library 
Using library Adafruit_BusIO at version 1.12.0 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_BusIO 
Using library SPI at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI 
Using library Adafruit_SSD1306 at version 2.5.6 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_SSD1306 
Using library RFID_MFRC522v2 at version 2.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\RFID_MFRC522v2 
exit status 1
'reader' was not declared in this scope

supflynn · August 3, 2022, 8:04am

It says that Uid is not defined so i added those Uid defining lines and i got these.

This is the code.

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}

typedef struct {
    byte size;      // Number of bytes in the UID. 4, 7 or 10.
    byte uidByte[10];
    byte sak;      // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;

void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
    }
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(10, 0);
    display.print(rtc.formatTime());
    display.display();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(30,20);
    display.print(Uid);
    delay(5000);
  }

This is the error

Arduino: 1.8.19 (Windows 10), Board: "Arduino Uno"

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_857580 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_218975 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_857580 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_218975 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino

Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Detecting libraries used...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Rtc_Pcf8563.h: [Rtc_Pcf8563@1.0.3]

ResolveLibrary(Rtc_Pcf8563.h)

  -> candidates: [Rtc_Pcf8563@1.0.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Wire.h: [Wire@1.0]

ResolveLibrary(Wire.h)

  -> candidates: [Wire@1.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_GFX.h: [Adafruit_GFX_Library@1.11.3]

ResolveLibrary(Adafruit_GFX.h)

  -> candidates: [Adafruit_GFX_Library@1.11.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_I2CDevice.h: [Adafruit_BusIO@1.12.0]

ResolveLibrary(Adafruit_I2CDevice.h)

  -> candidates: [Adafruit_BusIO@1.12.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for SPI.h: [SPI@1.0]

ResolveLibrary(SPI.h)

  -> candidates: [SPI@1.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_SSD1306.h: [Adafruit_SSD1306@2.5.6]

ResolveLibrary(Adafruit_SSD1306.h)

  -> candidates: [Adafruit_SSD1306@2.5.6]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for MFRC522v2.h: [RFID_MFRC522v2@2.0.3]

ResolveLibrary(MFRC522v2.h)

  -> candidates: [RFID_MFRC522v2@2.0.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src\\Rtc_Pcf8563.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\Wire.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\utility\\twi.c" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GFX.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GrayOLED.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_SPITFT.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\glcdfont.c" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_BusIO_Register.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_I2CDevice.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_SPIDevice.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src\\SPI.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306\\Adafruit_SSD1306.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Debug.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverI2C.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverSPI.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Hack.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522v2.cpp" -o nul

Generating function prototypes...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\preproc\\ctags_target_for_gcc_minus_e.cpp"

"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\preproc\\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp.o"

C:\Users\Administrator\Downloads\RFID\RFID.ino: In function 'void loop()':

RFID:182:22: error: expected primary-expression before ')' token

     display.print(Uid);

                      ^

Using library Rtc_Pcf8563 at version 1.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Rtc_Pcf8563 

Using library Wire at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\Wire 

Using library Adafruit_GFX_Library at version 1.11.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_GFX_Library 

Using library Adafruit_BusIO at version 1.12.0 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_BusIO 

Using library SPI at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI 

Using library Adafruit_SSD1306 at version 2.5.6 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_SSD1306 

Using library RFID_MFRC522v2 at version 2.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\RFID_MFRC522v2 

exit status 1

expected primary-expression before ')' token

noiasca · August 3, 2022, 8:06am

a) function

MFRC522Debug::PrintUID

is part of your library. No need to duplicate this in your sketch

b)

'reader' was not declared in this scope

The compiler is right, you are reading your reader within a for loop. So you should do your display printouts also in the for loop. otherwise you don't have an object named "reader".

supflynn · August 3, 2022, 8:11am

Yea you are right. When i did it in for loop it fixed not declared error but produced something diffrent.

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}

typedef struct {
    byte size;      // Number of bytes in the UID. 4, 7 or 10.
    byte uidByte[10];
    byte sak;      // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;

void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
      display.print(reader.uid);
      delay(5000);
    }
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(10, 0);
    display.print(rtc.formatTime());
    display.display();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(30,20);
  }

This is the error code.

Arduino: 1.8.19 (Windows 10), Board: "Arduino Uno"

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_857580 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_218975 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Administrator\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_857580 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_218975 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Administrator\Downloads\RFID\RFID.ino

Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr

Detecting libraries used...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Rtc_Pcf8563.h: [Rtc_Pcf8563@1.0.3]

ResolveLibrary(Rtc_Pcf8563.h)

  -> candidates: [Rtc_Pcf8563@1.0.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Wire.h: [Wire@1.0]

ResolveLibrary(Wire.h)

  -> candidates: [Wire@1.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_GFX.h: [Adafruit_GFX_Library@1.11.3]

ResolveLibrary(Adafruit_GFX.h)

  -> candidates: [Adafruit_GFX_Library@1.11.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_I2CDevice.h: [Adafruit_BusIO@1.12.0]

ResolveLibrary(Adafruit_I2CDevice.h)

  -> candidates: [Adafruit_BusIO@1.12.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for SPI.h: [SPI@1.0]

ResolveLibrary(SPI.h)

  -> candidates: [SPI@1.0]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for Adafruit_SSD1306.h: [Adafruit_SSD1306@2.5.6]

ResolveLibrary(Adafruit_SSD1306.h)

  -> candidates: [Adafruit_SSD1306@2.5.6]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

Alternatives for MFRC522v2.h: [RFID_MFRC522v2@2.0.3]

ResolveLibrary(MFRC522v2.h)

  -> candidates: [RFID_MFRC522v2@2.0.3]

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src\\Rtc_Pcf8563.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\Wire.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src\\utility\\twi.c" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GFX.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_GrayOLED.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\Adafruit_SPITFT.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library\\glcdfont.c" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_BusIO_Register.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_I2CDevice.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO\\Adafruit_SPIDevice.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src\\SPI.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306\\Adafruit_SSD1306.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Debug.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverI2C.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522DriverSPI.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522Hack.cpp" -o nul

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src\\MFRC522v2.cpp" -o nul

Generating function prototypes...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\preproc\\ctags_target_for_gcc_minus_e.cpp"

"C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\preproc\\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\\Program Files (x86)\\Arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\variants\\standard" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Rtc_Pcf8563\\src" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\Wire\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_GFX_Library" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_BusIO" "-IC:\\Program Files (x86)\\Arduino\\hardware\\arduino\\avr\\libraries\\SPI\\src" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\Adafruit_SSD1306" "-IC:\\Users\\Administrator\\Documents\\Arduino\\libraries\\RFID_MFRC522v2\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_857580\\sketch\\RFID.ino.cpp.o"

C:\Users\Administrator\Downloads\RFID\RFID.ino: In function 'void loop()':

RFID:171:31: error: no matching function for call to 'Adafruit_SSD1306::print(MFRC522::Uid&)'

       display.print(reader.uid);

                               ^

In file included from C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Stream.h:26:0,

                 from C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/HardwareSerial.h:29,

                 from C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:233,

                 from C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_857580\sketch\RFID.ino.cpp:1:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:65:12: note: candidate: size_t Print::print(const __FlashStringHelper*)

     size_t print(const __FlashStringHelper *);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:65:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'const __FlashStringHelper*'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:66:12: note: candidate: size_t Print::print(const String&)

     size_t print(const String &);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:66:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'const String&'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:67:12: note: candidate: size_t Print::print(const char*)

     size_t print(const char[]);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:67:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'const char*'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:68:12: note: candidate: size_t Print::print(char)

     size_t print(char);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:68:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'char'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:69:12: note: candidate: size_t Print::print(unsigned char, int)

     size_t print(unsigned char, int = DEC);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:69:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'unsigned char'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:70:12: note: candidate: size_t Print::print(int, int)

     size_t print(int, int = DEC);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:70:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'int'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:71:12: note: candidate: size_t Print::print(unsigned int, int)

     size_t print(unsigned int, int = DEC);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:71:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'unsigned int'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:72:12: note: candidate: size_t Print::print(long int, int)

     size_t print(long, int = DEC);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:72:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'long int'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:73:12: note: candidate: size_t Print::print(long unsigned int, int)

     size_t print(unsigned long, int = DEC);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:73:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'long unsigned int'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:74:12: note: candidate: size_t Print::print(double, int)

     size_t print(double, int = 2);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:74:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'double'

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:75:12: note: candidate: size_t Print::print(const Printable&)

     size_t print(const Printable&);

            ^~~~~

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Print.h:75:12: note:   no known conversion for argument 1 from 'MFRC522::Uid {aka MFRC522Constants::Uid}' to 'const Printable&'

Using library Rtc_Pcf8563 at version 1.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Rtc_Pcf8563 

Using library Wire at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\Wire 

Using library Adafruit_GFX_Library at version 1.11.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_GFX_Library 

Using library Adafruit_BusIO at version 1.12.0 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_BusIO 

Using library SPI at version 1.0 in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries\SPI 

Using library Adafruit_SSD1306 at version 2.5.6 in folder: C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_SSD1306 

Using library RFID_MFRC522v2 at version 2.0.3 in folder: C:\Users\Administrator\Documents\Arduino\libraries\RFID_MFRC522v2 

exit status 1

no matching function for call to 'Adafruit_SSD1306::print(MFRC522::Uid&)'

noiasca · August 3, 2022, 8:18am

you can't print an array like this.

read again my post 6 and use

MFRC522Debug::PrintUID(display, reader.uid);

supflynn · August 3, 2022, 8:28am

Code was able to upload but wasn't able to run it properly.

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}

typedef struct {
    byte size;      // Number of bytes in the UID. 4, 7 or 10.
    byte uidByte[10];
    byte sak;      // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;

void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
      display.display();
      display.setTextSize(2);
      display.setTextColor(WHITE);
      display.setCursor(30,20);
      MFRC522Debug::PrintUID(display, reader.uid);
      delay(5000);
    }
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(10, 0);
    display.print(rtc.formatTime());
    display.display();
  }

There is no display on oled and also takes my serial input from beginning.

noiasca · August 3, 2022, 8:33am

becaused you messed up your printout .

can't test, but this might be better:

#include <Rtc_Pcf8563.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>

MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.


///OLED

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

///RTC
//init the real time clock
Rtc_Pcf8563 rtc;
int a=0;
int x;
int y;
int z;
int saat;
int dk;
int san;
void setup(){
    //clear out the registers
    rtc.initClock();
    Serial.begin(115200);
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
    //RFID
    for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
   }
   while (true){
    Serial.println("Ayin hangi gunundeyiz");
    while (Serial.available() == 1){delay(10);}
    while (Serial.available() == 0){}
    x = Serial.parseInt();
    if (x<31 && x>0){
      Serial.println("basarili bir deger girdiniz");
      Serial.print("girmis oldugunuz deger: ");
      Serial.println(x);
      break;
      }
    else if (x>31 || x<1){
      Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Haftanin Kacinci gunundeyiz?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      y = Serial.parseInt();
      if (y<7 && y>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(y);
      break;
      }
      else if (y>7 || y<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Yilin hangi ayi? (1-12)");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      z = Serial.parseInt();
      if (z<12 && z>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(z);
        break;
      }
      else if (z>12 || z<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      rtc.setDate(x, y, z, 0, 22);
      //hr, min, sec
      rtc.setTime(saat, dk, san);
}

typedef struct {
    byte size;      // Number of bytes in the UID. 4, 7 or 10.
    byte uidByte[10];
    byte sak;      // The SAK (Select acknowledge) byte returned from the PICC after successful selection.
} Uid;

void loop(){
    
    for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      
      Serial.print(F("PICC type: "));
      MFRC522::PICC_Type piccType = reader.PICC_GetType(reader.uid.sak);
      Serial.println(MFRC522Debug::PICC_GetTypeName(piccType));
      
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      }
      display.display();
      display.setTextSize(2);
      display.setTextColor(WHITE);
      display.setCursor(30,20);


      display.clearDisplay();
      display.setTextSize(2);
      display.setTextColor(WHITE);
      display.setCursor(10, 0);
      display.print(rtc.formatTime());
      MFRC522Debug::PrintUID(display, reader.uid);
      display.display();      

     
    }
    delay(5000); // dirty delay ?!?

  }

I don't like the delay ... but it was there already in your code.

if you get success you should read about the usage of F-Makro and why you should use it for your fix text:

supflynn · August 3, 2022, 10:04am

I made it work just as i wanted.

#include <MFRC522v2.h>
#include <MFRC522DriverSPI.h>
#include <MFRC522DriverPinSimple.h>
#include <MFRC522Debug.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <Rtc_Pcf8563.h>

int saat;
int dk;
int san;


MFRC522DriverPinSimple ss_1_pin(10); // Configurable, take an unused pin, only HIGH/LOW required, must be different to SS 1.
MFRC522DriverSPI driver_1{ss_1_pin};
MFRC522 readers[]{driver_1};   // Create MFRC522 instance.

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

Rtc_Pcf8563 rtc;
/**
 * Initialize.
 */
void setup() {
  Serial.begin(115200);  // Initialize serial communications with the PC for debugging.
  rtc.initClock();
  while (true){
      Serial.println("Saat kac ?");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      saat = Serial.parseInt();
      if (saat<24 && saat>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(saat);
        break;
      }
      else if (saat>24 || saat<1){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci dakika");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      dk = Serial.parseInt();
      if (dk<60 && dk>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(dk);
        break;
      }
      else if (dk>60 || dk<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      while (true){
      Serial.println("Kacinci saniye");
      while (Serial.available() == 1){delay(10);}
      while (Serial.available() == 0){}
      san = Serial.parseInt();
      if (san<60 && san>0){
        Serial.println("basarili bir deger girdiniz");
        Serial.print("girmis oldugunuz deger: ");
        Serial.println(san);
        break;
      }
      else if (san>60 || san<0){
        Serial.println("Hatali deger araliginda bir sayi girdiniz lutfen tekrar giriniz.");
        }
      }
      //day, weekday, month, century(1=1900, 0=2000), year(0-99)
      //hr, min, sec
  rtc.setTime(saat, dk, san);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  for (MFRC522 reader : readers) {
    reader.PCD_Init(); // Init each MFRC522 card.
    Serial.print(F("Reader "));
    static uint8_t i = 0;
    i++;
    Serial.print(i);
    Serial.print(F(": "));
    MFRC522Debug::PCD_DumpVersionToSerial(reader, Serial);
  }
}
/**
 * Main loop.
 */
void loop() {
  // Look for new cards.
  for (MFRC522 reader : readers) {
    if (reader.PICC_IsNewCardPresent() && reader.PICC_ReadCardSerial()) {
      Serial.print(F("Reader "));
      static uint8_t i = 0;
      i++;
      Serial.print(i);
      
      // Show some details of the PICC (that is: the tag/card).
      Serial.print(F(": Card UID:"));
      MFRC522Debug::PrintUID(Serial, reader.uid);
      Serial.println();
      // Halt PICC.
      reader.PICC_HaltA();
      // Stop encryption on PCD.
      reader.PCD_StopCrypto1();
      display.clearDisplay();
      display.setTextSize(1,3);
      display.setTextColor(WHITE);
      display.setCursor(0, 20);
      MFRC522Debug::PrintUID(display, reader.uid);
      display.display();
      delay(3000);
      }
    }
        display.clearDisplay();
        display.setTextSize(1);
        display.setTextColor(WHITE);
        display.setCursor(10,0);
        display.print(rtc.formatTime());
        display.display();
}

noiasca · August 3, 2022, 6:55pm

fine.
by pressing the heart under a post you can say thank you to the guys who supported you.
It costs you nothing, but pays respect to the people who invested their spare time for your problem.

supflynn · August 4, 2022, 6:46am

Did it man. Thanks for mentioning i didnt even realized it even exists. Thanks for everyone who helped me in the progress.

Topic		Replies	Views
UID from MFRC522 Is Printing Wrong Programming	12	499	August 5, 2022
RF 433 MHz+RFID-MFRC522 card/tag reader Showcase	7	203	January 4, 2026
Problème lecture RFID-RC522 avec Arduino Méga 2560 Français	12	279	January 10, 2026
RFID mit U8G2 Display geht nicht Deutsch	41	303	December 29, 2024
If I use SPI and UART at the same time, it causes a reboot Networking, Protocols, and Devices	13	193	December 4, 2025

How to Dump UID which is read by MFRC522v2 To Variable

Related topics