HARSHA B.M / W7500_RFid_ID_W750SR

Serial communication between the W7500 and WIZ750SR to send RFID data

Dependencies:   HCSR04 MFRC522 TextLCD mbed-src

Fork of RFID_copy by Rajib Kumer Dey

main.cpp@1:2c9b99e9122b, 2018-07-17 (annotated)

Committer:
HarshaDRAGNEEL
Date:
Tue Jul 17 06:19:38 2018 +0000
Revision:
1:2c9b99e9122b
Parent:
0:1fdb07d055b9 
Receive the RFID data and send serially data to the WIZ750SR

Who changed what in which revision?

UserRevisionLine numberNew contents of line
HarshaDRAGNEEL 1:2c9b99e9122b 1
Rajib 0:1fdb07d055b9 2 //Connect as follows:
HarshaDRAGNEEL 1:2c9b99e9122b 3
Rajib 0:1fdb07d055b9 4 //----------------------------------------
Rajib 0:1fdb07d055b9 5 //RFID IRQ=pin5 -> Not used. Leave open
Rajib 0:1fdb07d055b9 6 //RFID MISO=pin4 -> Nucleo SPI_MISO=PA_6=D12
Rajib 0:1fdb07d055b9 7 //RFID MOSI=pin3 -> Nucleo SPI_MOSI=PA_7=D11
Rajib 0:1fdb07d055b9 8 //RFID SCK=pin2 -> Nucleo SPI_SCK =PA_5=D13
Rajib 0:1fdb07d055b9 9 //RFID SDA=pin1 -> Nucleo SPI_CS =PB_6=D10
Rajib 0:1fdb07d055b9 10 //RFID RST=pin7 -> Nucleo =PA_9=D8
HarshaDRAGNEEL 1:2c9b99e9122b 11
HarshaDRAGNEEL 1:2c9b99e9122b 12
Rajib 0:1fdb07d055b9 13 #include "mbed.h"
Rajib 0:1fdb07d055b9 14 #include "MFRC522.h"
Rajib 0:1fdb07d055b9 15 #include "SPI.h"
Rajib 0:1fdb07d055b9 16 #define ECHO_SERVER_PORT 7
Rajib 0:1fdb07d055b9 17
Rajib 0:1fdb07d055b9 18
Rajib 0:1fdb07d055b9 19 #define SPI_MOSI D11
Rajib 0:1fdb07d055b9 20 #define SPI_MISO D12
Rajib 0:1fdb07d055b9 21 #define SPI_SCK D13
Rajib 0:1fdb07d055b9 22 #define SPI_CS D10
HarshaDRAGNEEL 1:2c9b99e9122b 23 #define MF_RESET D8
HarshaDRAGNEEL 1:2c9b99e9122b 24
HarshaDRAGNEEL 1:2c9b99e9122b 25
Rajib 0:1fdb07d055b9 26 //Serial connection to PC for output
HarshaDRAGNEEL 1:2c9b99e9122b 27 Serial pc(USBTX, USBRX);
HarshaDRAGNEEL 1:2c9b99e9122b 28 // Serial connection with W750SR gateway for MQTT communication
HarshaDRAGNEEL 1:2c9b99e9122b 29 Serial a(D1,D0);
HarshaDRAGNEEL 1:2c9b99e9122b 30 // Initializing RFID chip pins
Rajib 0:1fdb07d055b9 31 MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET);
HarshaDRAGNEEL 1:2c9b99e9122b 32
HarshaDRAGNEEL 1:2c9b99e9122b 33 char c;
HarshaDRAGNEEL 1:2c9b99e9122b 34 int d;
Rajib 0:1fdb07d055b9 35
HarshaDRAGNEEL 1:2c9b99e9122b 36 int main(void) {
Rajib 0:1fdb07d055b9 37
HarshaDRAGNEEL 1:2c9b99e9122b 38 Serial pc(USBTX, USBRX);
HarshaDRAGNEEL 1:2c9b99e9122b 39 Serial a(D1,D0);
HarshaDRAGNEEL 1:2c9b99e9122b 40 pc.printf("Wait a second...\r\n");
HarshaDRAGNEEL 1:2c9b99e9122b 41
Rajib 0:1fdb07d055b9 42 //Init. RC522 Chip
Rajib 0:1fdb07d055b9 43 RfChip.PCD_Init();
Rajib 0:1fdb07d055b9 44
Rajib 0:1fdb07d055b9 45 while (true) {
Rajib 0:1fdb07d055b9 46 //LedGreen = 1;
Rajib 0:1fdb07d055b9 47 pc.printf("enterd loop...\n");
Rajib 0:1fdb07d055b9 48 // Look for new cards
Rajib 0:1fdb07d055b9 49 if ( ! RfChip.PICC_IsNewCardPresent())
Rajib 0:1fdb07d055b9 50 {
Rajib 0:1fdb07d055b9 51 wait_ms(500);
Rajib 0:1fdb07d055b9 52 continue;
Rajib 0:1fdb07d055b9 53 }
HarshaDRAGNEEL 1:2c9b99e9122b 54 // Select one of the cards
Rajib 0:1fdb07d055b9 55 if ( ! RfChip.PICC_ReadCardSerial())
Rajib 0:1fdb07d055b9 56 {
Rajib 0:1fdb07d055b9 57 wait_ms(500);
Rajib 0:1fdb07d055b9 58 continue;
Rajib 0:1fdb07d055b9 59 }
HarshaDRAGNEEL 1:2c9b99e9122b 60
HarshaDRAGNEEL 1:2c9b99e9122b 61 char data[20]="";
HarshaDRAGNEEL 1:2c9b99e9122b 62 // char data1[20]="";
Rajib 0:1fdb07d055b9 63
Rajib 0:1fdb07d055b9 64 // Print Card UID
Rajib 0:1fdb07d055b9 65 pc.printf("Card UID: ");
Rajib 0:1fdb07d055b9 66 printf("Size of UID: %d \n",RfChip.uid.size);
Rajib 0:1fdb07d055b9 67 for (uint8_t i = 0; i < RfChip.uid.size; i++)
Rajib 0:1fdb07d055b9 68 {
Rajib 0:1fdb07d055b9 69 char temp[5];
Rajib 0:1fdb07d055b9 70 pc.printf(" %X02", RfChip.uid.uidByte[i]);
Rajib 0:1fdb07d055b9 71 sprintf(temp,"%X02", RfChip.uid.uidByte[i]);
Rajib 0:1fdb07d055b9 72 strcat(data,temp);
Rajib 0:1fdb07d055b9 73 }
Rajib 0:1fdb07d055b9 74
Rajib 0:1fdb07d055b9 75 // Print Card type
Rajib 0:1fdb07d055b9 76 uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
Rajib 0:1fdb07d055b9 77 pc.printf(" \nPICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType));
Rajib 0:1fdb07d055b9 78 wait_ms(1000);
HarshaDRAGNEEL 1:2c9b99e9122b 79 a.printf("%s",data);
HarshaDRAGNEEL 1:2c9b99e9122b 80
Rajib 0:1fdb07d055b9 81 }
Rajib 0:1fdb07d055b9 82 }