Diff: main.cpp

Revision:

0:1026a98e87f4

diff -r 000000000000 -r 1026a98e87f4 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Mar 27 03:28:08 2016 +0000
@@ -0,0 +1,125 @@
+#include "mbed.h"
+#include "MFRC522.h"
+
+// FRDM-K64F (Freescale) Pin for MFRC522 reset
+#define MF_RESET    PTD0
+
+// Defining the serial ports for PC and Bluetooth
+#define SERIAL_1  
+Serial pc(USBTX, USBRX);
+#ifdef SERIAL_1
+Serial blue(PTC15,PTC14);         
+#endif
+#ifdef SERIAL_2
+Serial blue(PTC17,PTC16);         // TX = P14  RX = P13
+#endif
+
+DigitalOut LedGreen(LED2), LedRed(LED1);
+
+Timer timeBetweenCards;
+char tagname;
+char * cardtypetest;
+char cardid;
+
+//MFRC522    RfChip   (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET);
+MFRC522    RfChip   (PTD2, PTD3, PTD1, PTE25, PTD0);
+
+int main(void) {
+  
+  blue.baud(9600);
+  pc.baud(9600);
+  LedRed= 0;
+  pc.printf("RFID based Alert System Started\r\n");
+  printf("-------------------------------------------------------------\r\n");
+
+  // Init. RC522 Chip
+  RfChip.PCD_Init();
+
+  while (true) {
+
+    tagname = '\0';
+    LedRed= 1;
+    LedGreen = 1;
+
+    // Look for new cards
+    if ( ! RfChip.PICC_IsNewCardPresent())
+    {
+      wait_ms(100);
+      continue;
+    }
+
+    // Select one of the cards
+    if ( ! RfChip.PICC_ReadCardSerial())
+    {
+      wait_ms(100);
+      
+      continue;
+      
+    }
+    
+    // When a card is detected, a Green Led flashes!
+    blue.printf("%f seconds \n", timeBetweenCards.read());
+    timeBetweenCards.start();
+    LedGreen = 0; 
+    
+    for (uint8_t i = 0; i < RfChip.uid.size; i++)
+    {
+  //    printf(" %X02", RfChip.uid.uidByte[i]);
+        cardid= RfChip.uid.uidByte[i];
+        blue.printf(" %X02 ", (char *) cardid);
+        tagname= RfChip.uid.uidByte[i]+ tagname;
+        blue.putc(tagname);
+     }
+    printf("\n\r");
+    if (tagname == 206) {
+        
+        printf ("Blue Keychain detected: Welcome, Nivedita!");
+        printf("\n\r");
+        printf("------------------------------------------------");
+        
+        }
+    else if (tagname == 124) {
+        printf ("White Card detected: Welcome, Apoorva!");
+        printf("\n\r");
+        printf("------------------------------------------------");        
+        }
+    else if (tagname == 76) {
+        printf ("Unknown person (White card): sending alert!! ");
+        printf("\n\r");
+        printf("------------------------------------------------");        
+        }
+      else if (tagname == 58) {
+        printf ("Unknown person (Blue keychain): sending alert!! ");
+        printf("\n\r");
+        printf("------------------------------------------------");        
+        }
+        else {
+        printf("--------------------!!!!!!!!!---------------------\n\r");    
+        printf("Unknown card/keychain detected; sending alert!!!");
+        printf("\n\r");
+        printf("------------------------------------------------");        
+        }
+               
+    // Print Card UID
+    printf("\n\r");
+    printf("Card UID: ");
+    
+   for (uint8_t i = 0; i < RfChip.uid.size; i++)
+    {
+        printf(" %X02", RfChip.uid.uidByte[i]);
+        cardid= RfChip.uid.uidByte[i];
+        blue.printf(" %X02 ", (char *) cardid);
+        tagname= RfChip.uid.uidByte[i]+ tagname;
+        blue.putc(tagname);
+    }
+    printf("\n\r");
+              
+    printf("Decimal tagname:  %d \n\r", tagname);   
+    uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak);
+    printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType));
+    cardtypetest= RfChip.PICC_GetTypeName(piccType);
+    blue.printf("PICC Type: %s \n\r",(char *) cardtypetest);
+    printf("________________________________________________");
+    //wait_ms(100);
+  }
+}
\ No newline at end of file