fermigadda / Mbed 2 deprecated RFID-RC522

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Dependencies:   mbed Servo

main.cpp@3:157e0f68b775, 2019-01-22 (annotated)

Committer:
mariangelamone
Date:
Tue Jan 22 22:22:11 2019 +0000
Revision:
3:157e0f68b775
Parent:
2:a0c7513fb634 
chiave elettronica con RFID

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mariangelamone 3:157e0f68b775 1
kirchnet 2:a0c7513fb634 2 //Test of cheap 13.56 Mhz RFID-RC522 module from eBay
kirchnet 2:a0c7513fb634 3 //This code is based on Martin Olejar's MFRC522 library. Minimal changes
kirchnet 2:a0c7513fb634 4 //Adapted for Nucleo STM32 F401RE. Should work on other Nucleos too
kirchnet 2:a0c7513fb634 5
kirchnet 2:a0c7513fb634 6 //Connect as follows:
kirchnet 2:a0c7513fb634 7 //RFID pins -> Nucleo header CN5 (Arduino-compatible header)
kirchnet 2:a0c7513fb634 8 //----------------------------------------
kirchnet 2:a0c7513fb634 9 //RFID IRQ=pin5 -> Not used. Leave open
kirchnet 2:a0c7513fb634 10 //RFID MISO=pin4 -> Nucleo SPI_MISO=PA_6=D12
kirchnet 2:a0c7513fb634 11 //RFID MOSI=pin3 -> Nucleo SPI_MOSI=PA_7=D11
kirchnet 2:a0c7513fb634 12 //RFID SCK=pin2 -> Nucleo SPI_SCK =PA_5=D13
kirchnet 2:a0c7513fb634 13 //RFID SDA=pin1 -> Nucleo SPI_CS =PB_6=D10
kirchnet 2:a0c7513fb634 14 //RFID RST=pin7 -> Nucleo =PA_9=D8
kirchnet 2:a0c7513fb634 15 //3.3V and Gnd to the respective pins
kirchnet 2:a0c7513fb634 16
kirchnet 2:a0c7513fb634 17 #include "mbed.h"
kirchnet 2:a0c7513fb634 18 #include "MFRC522.h"
mariangelamone 3:157e0f68b775 19 #include "Servo.h"
kirchnet 2:a0c7513fb634 20 // Nucleo Pin for MFRC522 reset (pick another D pin if you need D8)
kirchnet 2:a0c7513fb634 21 #define MF_RESET D8
mariangelamone 3:157e0f68b775 22 #define PWMA PC_8
kirchnet 2:a0c7513fb634 23 //Serial connection to PC for output
kirchnet 2:a0c7513fb634 24 Serial pc(SERIAL_TX, SERIAL_RX);
mariangelamone 3:157e0f68b775 25 DigitalOut green(D7);
mariangelamone 3:157e0f68b775 26 DigitalOut red(D6);
kirchnet 2:a0c7513fb634 27 MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET);
mariangelamone 3:157e0f68b775 28 uint8_t card1=0x20;
mariangelamone 3:157e0f68b775 29 uint8_t card2=0x82;
mariangelamone 3:157e0f68b775 30 uint8_t card3=0xBF;
mariangelamone 3:157e0f68b775 31 uint8_t card4=0x4F;
mariangelamone 3:157e0f68b775 32 PwmOut mypwm(PWMA);
mariangelamone 3:157e0f68b775 33 int main(void) {red=0;
mariangelamone 3:157e0f68b775 34 volatile float speed_value = 0.5;
kirchnet 2:a0c7513fb634 35
mariangelamone 3:157e0f68b775 36 Servo myservo(D2);
kirchnet 2:a0c7513fb634 37 pc.printf("starting...\n");
kirchnet 2:a0c7513fb634 38 // Init. RC522 Chip
kirchnet 2:a0c7513fb634 39 RfChip.PCD_Init();
kirchnet 2:a0c7513fb634 40 while (true) {
mariangelamone 3:157e0f68b775 41 red=0;
kirchnet 2:a0c7513fb634 42 // Look for new cards
kirchnet 2:a0c7513fb634 43 if ( ! RfChip.PICC_IsNewCardPresent())
kirchnet 2:a0c7513fb634 44 {
kirchnet 2:a0c7513fb634 45 wait_ms(500);
kirchnet 2:a0c7513fb634 46 continue;
kirchnet 2:a0c7513fb634 47 }
kirchnet 2:a0c7513fb634 48
kirchnet 2:a0c7513fb634 49 // Select one of the cards
kirchnet 2:a0c7513fb634 50 if ( ! RfChip.PICC_ReadCardSerial())
kirchnet 2:a0c7513fb634 51 {
kirchnet 2:a0c7513fb634 52 wait_ms(500);
kirchnet 2:a0c7513fb634 53 continue;
kirchnet 2:a0c7513fb634 54 }
kirchnet 2:a0c7513fb634 55 // Print Card UID
kirchnet 2:a0c7513fb634 56 pc.printf("Card UID: ");
kirchnet 2:a0c7513fb634 57 for (uint8_t i = 0; i < RfChip.uid.size; i++)
mariangelamone 3:157e0f68b775 58 {pc.printf("%d%",i);
mariangelamone 3:157e0f68b775 59 pc.printf(" %X02", RfChip.uid.uidByte[i]);
kirchnet 2:a0c7513fb634 60 }
kirchnet 2:a0c7513fb634 61 pc.printf("\n\r");
mariangelamone 3:157e0f68b775 62 if((RfChip.uid.uidByte[0]==card1)&&(RfChip.uid.uidByte[1]==card2)&&(RfChip.uid.uidByte[2]==card3)&&(RfChip.uid.uidByte[3]==card4))
mariangelamone 3:157e0f68b775 63 {pc.printf("\nhello");
mariangelamone 3:157e0f68b775 64 mypwm.pulsewidth(90);
mariangelamone 3:157e0f68b775 65 green=1;
mariangelamone 3:157e0f68b775 66 myservo=90;
mariangelamone 3:157e0f68b775 67 wait_ms(3000);
mariangelamone 3:157e0f68b775 68 myservo=-90;
mariangelamone 3:157e0f68b775 69 green=0;
mariangelamone 3:157e0f68b775 70 red=0;
mariangelamone 3:157e0f68b775 71 }else {mypwm.pulsewidth(-90);
mariangelamone 3:157e0f68b775 72 green=0;
mariangelamone 3:157e0f68b775 73 red=1;}
kirchnet 2:a0c7513fb634 74 // Print Card type
kirchnet 2:a0c7513fb634 75 uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
kirchnet 2:a0c7513fb634 76 pc.printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType));
kirchnet 2:a0c7513fb634 77 wait_ms(1000);
kirchnet 2:a0c7513fb634 78 }
kirchnet 2:a0c7513fb634 79 }