Mario Tkalac
/
RFID-LCD-test_copy
Linija pogona
Fork of RFID-RC522 by
main.cpp@4:e0bc23d5134a, 2017-11-22 (annotated)
- Committer:
- mario_meh
- Date:
- Wed Nov 22 08:55:19 2017 +0000
- Revision:
- 4:e0bc23d5134a
- Parent:
- 3:30e31f03d156
Lilnija pogona
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kirchnet | 2:a0c7513fb634 | 1 | //Test of cheap 13.56 Mhz RFID-RC522 module from eBay |
kirchnet | 2:a0c7513fb634 | 2 | //This code is based on Martin Olejar's MFRC522 library. Minimal changes |
kirchnet | 2:a0c7513fb634 | 3 | //Adapted for Nucleo STM32 F401RE. Should work on other Nucleos too |
kirchnet | 2:a0c7513fb634 | 4 | |
kirchnet | 2:a0c7513fb634 | 5 | //Connect as follows: |
kirchnet | 2:a0c7513fb634 | 6 | //RFID pins -> Nucleo header CN5 (Arduino-compatible header) |
kirchnet | 2:a0c7513fb634 | 7 | //---------------------------------------- |
kirchnet | 2:a0c7513fb634 | 8 | //RFID IRQ=pin5 -> Not used. Leave open |
kirchnet | 2:a0c7513fb634 | 9 | //RFID MISO=pin4 -> Nucleo SPI_MISO=PA_6=D12 |
kirchnet | 2:a0c7513fb634 | 10 | //RFID MOSI=pin3 -> Nucleo SPI_MOSI=PA_7=D11 |
kirchnet | 2:a0c7513fb634 | 11 | //RFID SCK=pin2 -> Nucleo SPI_SCK =PA_5=D13 |
kirchnet | 2:a0c7513fb634 | 12 | //RFID SDA=pin1 -> Nucleo SPI_CS =PB_6=D10 |
kirchnet | 2:a0c7513fb634 | 13 | //RFID RST=pin7 -> Nucleo =PA_9=D8 |
kirchnet | 2:a0c7513fb634 | 14 | //3.3V and Gnd to the respective pins |
kirchnet | 2:a0c7513fb634 | 15 | |
kirchnet | 2:a0c7513fb634 | 16 | #include "mbed.h" |
kirchnet | 2:a0c7513fb634 | 17 | #include "MFRC522.h" |
mario_meh | 4:e0bc23d5134a | 18 | #include "TextLCD.h" |
kirchnet | 2:a0c7513fb634 | 19 | |
kirchnet | 2:a0c7513fb634 | 20 | // Nucleo Pin for MFRC522 reset (pick another D pin if you need D8) |
nielsvanmegen | 3:30e31f03d156 | 21 | #define MF_RESET p15 |
nielsvanmegen | 3:30e31f03d156 | 22 | #define SPI_MOSI p5 |
nielsvanmegen | 3:30e31f03d156 | 23 | #define SPI_MISO p6 |
nielsvanmegen | 3:30e31f03d156 | 24 | #define SPI_SCK p7 |
nielsvanmegen | 3:30e31f03d156 | 25 | #define SPI_CS p8 |
kirchnet | 2:a0c7513fb634 | 26 | |
kirchnet | 2:a0c7513fb634 | 27 | DigitalOut LedGreen(LED1); |
kirchnet | 2:a0c7513fb634 | 28 | |
mario_meh | 4:e0bc23d5134a | 29 | //LCD text display status |
mario_meh | 4:e0bc23d5134a | 30 | TextLCD lcd(p10, p11, p27, p28, p29, p30); // rs, e, d4-d7 |
mario_meh | 4:e0bc23d5134a | 31 | |
kirchnet | 2:a0c7513fb634 | 32 | //Serial connection to PC for output |
nielsvanmegen | 3:30e31f03d156 | 33 | Serial pc(USBTX, USBRX); |
kirchnet | 2:a0c7513fb634 | 34 | |
kirchnet | 2:a0c7513fb634 | 35 | MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET); |
kirchnet | 2:a0c7513fb634 | 36 | |
mario_meh | 4:e0bc23d5134a | 37 | unsigned char tagRX[20]; //array to store incoming tag |
mario_meh | 4:e0bc23d5134a | 38 | int tagRXindex=0; //keeps track of the index in tagRX |
mario_meh | 4:e0bc23d5134a | 39 | bool tagIncomingFlag=false; //flag to indicate that a new tag is busy being read |
mario_meh | 4:e0bc23d5134a | 40 | bool newtagFlag=false; //flag to indicate that a new tag was finished being read |
mario_meh | 4:e0bc23d5134a | 41 | |
kirchnet | 2:a0c7513fb634 | 42 | int main(void) { |
mario_meh | 4:e0bc23d5134a | 43 | lcd.printf("starting...\r\n"); |
kirchnet | 2:a0c7513fb634 | 44 | |
kirchnet | 2:a0c7513fb634 | 45 | // Init. RC522 Chip |
kirchnet | 2:a0c7513fb634 | 46 | RfChip.PCD_Init(); |
kirchnet | 2:a0c7513fb634 | 47 | |
mario_meh | 4:e0bc23d5134a | 48 | lcd.printf("init passed\r\n"); |
nielsvanmegen | 3:30e31f03d156 | 49 | |
nielsvanmegen | 3:30e31f03d156 | 50 | |
kirchnet | 2:a0c7513fb634 | 51 | while (true) { |
kirchnet | 2:a0c7513fb634 | 52 | LedGreen = 1; |
kirchnet | 2:a0c7513fb634 | 53 | |
kirchnet | 2:a0c7513fb634 | 54 | // Look for new cards |
kirchnet | 2:a0c7513fb634 | 55 | if ( ! RfChip.PICC_IsNewCardPresent()) |
kirchnet | 2:a0c7513fb634 | 56 | { |
kirchnet | 2:a0c7513fb634 | 57 | wait_ms(500); |
kirchnet | 2:a0c7513fb634 | 58 | continue; |
kirchnet | 2:a0c7513fb634 | 59 | } |
kirchnet | 2:a0c7513fb634 | 60 | |
kirchnet | 2:a0c7513fb634 | 61 | // Select one of the cards |
nielsvanmegen | 3:30e31f03d156 | 62 | if (!RfChip.PICC_ReadCardSerial()) |
kirchnet | 2:a0c7513fb634 | 63 | { |
kirchnet | 2:a0c7513fb634 | 64 | wait_ms(500); |
mario_meh | 4:e0bc23d5134a | 65 | lcd.printf("card read\r\n"); |
kirchnet | 2:a0c7513fb634 | 66 | continue; |
kirchnet | 2:a0c7513fb634 | 67 | } |
kirchnet | 2:a0c7513fb634 | 68 | |
kirchnet | 2:a0c7513fb634 | 69 | LedGreen = 0; |
kirchnet | 2:a0c7513fb634 | 70 | |
mario_meh | 4:e0bc23d5134a | 71 | // Print Card UID - original |
mario_meh | 4:e0bc23d5134a | 72 | //lcd.printf("Card UID: "); |
mario_meh | 4:e0bc23d5134a | 73 | //for (uint8_t i = 0; i < RfChip.uid.size; i++) |
mario_meh | 4:e0bc23d5134a | 74 | //{ |
mario_meh | 4:e0bc23d5134a | 75 | // lcd.printf(" %X02", RfChip.uid.uidByte[i]); |
mario_meh | 4:e0bc23d5134a | 76 | //} |
mario_meh | 4:e0bc23d5134a | 77 | //lcd.printf("\n\r"); |
mario_meh | 4:e0bc23d5134a | 78 | |
mario_meh | 4:e0bc23d5134a | 79 | // Print Card UID - mario |
mario_meh | 4:e0bc23d5134a | 80 | //lcd.cls(); |
mario_meh | 4:e0bc23d5134a | 81 | //lcd.printf("Card UID: "); |
kirchnet | 2:a0c7513fb634 | 82 | for (uint8_t i = 0; i < RfChip.uid.size; i++) |
kirchnet | 2:a0c7513fb634 | 83 | { |
mario_meh | 4:e0bc23d5134a | 84 | tagRX[i] = RfChip.uid.uidByte[i]; |
kirchnet | 2:a0c7513fb634 | 85 | } |
mario_meh | 4:e0bc23d5134a | 86 | lcd.printf("\n\r"); |
kirchnet | 2:a0c7513fb634 | 87 | |
kirchnet | 2:a0c7513fb634 | 88 | // Print Card type |
mario_meh | 4:e0bc23d5134a | 89 | //uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak); |
mario_meh | 4:e0bc23d5134a | 90 | //lcd.printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType)); |
mario_meh | 4:e0bc23d5134a | 91 | |
mario_meh | 4:e0bc23d5134a | 92 | lcd.cls(); |
mario_meh | 4:e0bc23d5134a | 93 | lcd.printf("Card UID: "); |
mario_meh | 4:e0bc23d5134a | 94 | lcd.printf(" %s", tagRX); |
mario_meh | 4:e0bc23d5134a | 95 | |
kirchnet | 2:a0c7513fb634 | 96 | wait_ms(1000); |
kirchnet | 2:a0c7513fb634 | 97 | } |
kirchnet | 2:a0c7513fb634 | 98 | } |