This is a RFID based attendance system. The current program is only for two users but can be easily scaled for more users. Apart from FRDM-K64F board, we have MFRC522, Nokia 5110 LCD and SD card as external hardware. Each time a legitimate card is flashed the name of the person will be displayed on the LCD and his information will be stored in SD card if it's already not there. I have used existing libraries for all the harware. Here is the list. MFRC522 - By Martin Olejar SDFileSystem - By Andrew Lindsay NOKIA_5110 - By Chris Yan.
Dependencies: MFRC522 NOKIA_5110 SDFileSystem mbed
Fork of FTF2014_lab4 by
main.cpp@6:bc2ca526022f, 2015-05-02 (annotated)
- Committer:
- abhishekgoyanka
- Date:
- Sat May 02 21:42:05 2015 +0000
- Revision:
- 6:bc2ca526022f
- Parent:
- 5:9f7e1200059e
- Child:
- 7:caeacf521320
5 Kam working ... next LCD
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 0:a83db87be46c | 1 | #include "mbed.h" |
Kojto | 0:a83db87be46c | 2 | #include "SDFileSystem.h" |
abhishekgoyanka | 3:ade6c26d1b90 | 3 | #include "MFRC522.h" |
abhishekgoyanka | 3:ade6c26d1b90 | 4 | #include <stdio.h> |
abhishekgoyanka | 3:ade6c26d1b90 | 5 | #include "N5110.h" |
abhishekgoyanka | 3:ade6c26d1b90 | 6 | // FRDM-K64F (Freescale) Pin for MFRC522 reset |
abhishekgoyanka | 3:ade6c26d1b90 | 7 | #define MF_RESET PTD0 |
abhishekgoyanka | 3:ade6c26d1b90 | 8 | FILE *fp; |
abhishekgoyanka | 3:ade6c26d1b90 | 9 | |
abhishekgoyanka | 3:ade6c26d1b90 | 10 | DigitalOut LedGreen(LED2); |
abhishekgoyanka | 3:ade6c26d1b90 | 11 | |
abhishekgoyanka | 3:ade6c26d1b90 | 12 | //Serial connection to PC for output |
abhishekgoyanka | 3:ade6c26d1b90 | 13 | Serial pc(USBTX, USBRX); // serial comm on the FRDM board |
abhishekgoyanka | 3:ade6c26d1b90 | 14 | //Serial uart(PTC17, PTC16); |
abhishekgoyanka | 3:ade6c26d1b90 | 15 | |
abhishekgoyanka | 3:ade6c26d1b90 | 16 | // VCC,SCE,RST,D/C,MOSI,SCLK,LED |
abhishekgoyanka | 3:ade6c26d1b90 | 17 | //N5110 lcd(PTB2, PTC12, PTD0, PTB3, PTD6, PTD5, PTC12); |
abhishekgoyanka | 3:ade6c26d1b90 | 18 | N5110 lcd(PTB2, PTC12, PTD0, PTB3, PTD6, PTD5, PTA0); |
abhishekgoyanka | 3:ade6c26d1b90 | 19 | |
abhishekgoyanka | 3:ade6c26d1b90 | 20 | //MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET); |
abhishekgoyanka | 3:ade6c26d1b90 | 21 | MFRC522 RfChip (PTD2, PTD3, PTD1, PTE25, PTD0); |
Kojto | 0:a83db87be46c | 22 | |
Kojto | 0:a83db87be46c | 23 | SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS |
abhishekgoyanka | 3:ade6c26d1b90 | 24 | char buffer[1024]; //UNKNOWN foe now |
abhishekgoyanka | 3:ade6c26d1b90 | 25 | //uint8_t line[100]; |
abhishekgoyanka | 3:ade6c26d1b90 | 26 | uint8_t user[10]; |
abhishekgoyanka | 3:ade6c26d1b90 | 27 | uint8_t userlist[2][10]; |
abhishekgoyanka | 3:ade6c26d1b90 | 28 | char sam[16]="BC02CD022B02702"; |
abhishekgoyanka | 3:ade6c26d1b90 | 29 | char tempsam[16]; |
abhishekgoyanka | 3:ade6c26d1b90 | 30 | char abhishek[17]="6902BC029C021A02"; |
abhishekgoyanka | 3:ade6c26d1b90 | 31 | char abhishektemp[17]; |
Kojto | 0:a83db87be46c | 32 | |
abhishekgoyanka | 3:ade6c26d1b90 | 33 | int usercount=0; |
abhishekgoyanka | 5:9f7e1200059e | 34 | //int found=0; |
abhishekgoyanka | 5:9f7e1200059e | 35 | int flagSam=0; |
abhishekgoyanka | 5:9f7e1200059e | 36 | int flagAbi=0; //checks if the card scanner is run for the first time |
abhishekgoyanka | 3:ade6c26d1b90 | 37 | |
abhishekgoyanka | 3:ade6c26d1b90 | 38 | int main() |
abhishekgoyanka | 3:ade6c26d1b90 | 39 | |
abhishekgoyanka | 3:ade6c26d1b90 | 40 | { |
Kojto | 0:a83db87be46c | 41 | pc.printf("Initializing \n"); |
abhishekgoyanka | 3:ade6c26d1b90 | 42 | //wait(2); |
abhishekgoyanka | 3:ade6c26d1b90 | 43 | |
abhishekgoyanka | 3:ade6c26d1b90 | 44 | // initialise display |
abhishekgoyanka | 3:ade6c26d1b90 | 45 | lcd.init(); |
abhishekgoyanka | 3:ade6c26d1b90 | 46 | |
abhishekgoyanka | 3:ade6c26d1b90 | 47 | // Init. RC522 Chip |
abhishekgoyanka | 3:ade6c26d1b90 | 48 | RfChip.PCD_Init(); |
Kojto | 0:a83db87be46c | 49 | |
abhishekgoyanka | 3:ade6c26d1b90 | 50 | fp = fopen("/sd/attendance.txt", "r"); |
abhishekgoyanka | 3:ade6c26d1b90 | 51 | if (fp != NULL) |
abhishekgoyanka | 3:ade6c26d1b90 | 52 | { |
Kojto | 0:a83db87be46c | 53 | fclose(fp); |
abhishekgoyanka | 3:ade6c26d1b90 | 54 | remove("/sd/attendance.txt"); |
Kojto | 0:a83db87be46c | 55 | pc.printf("Remove an existing file with the same name \n"); |
Kojto | 0:a83db87be46c | 56 | } |
abhishekgoyanka | 3:ade6c26d1b90 | 57 | |
Kojto | 0:a83db87be46c | 58 | |
abhishekgoyanka | 3:ade6c26d1b90 | 59 | while (true) |
abhishekgoyanka | 3:ade6c26d1b90 | 60 | { |
abhishekgoyanka | 3:ade6c26d1b90 | 61 | LedGreen = 1; |
abhishekgoyanka | 3:ade6c26d1b90 | 62 | |
abhishekgoyanka | 3:ade6c26d1b90 | 63 | // Look for new cards |
abhishekgoyanka | 3:ade6c26d1b90 | 64 | if ( ! RfChip.PICC_IsNewCardPresent()) |
abhishekgoyanka | 3:ade6c26d1b90 | 65 | { |
abhishekgoyanka | 5:9f7e1200059e | 66 | RfChip.PCD_Init(); |
abhishekgoyanka | 5:9f7e1200059e | 67 | wait_ms(300); |
abhishekgoyanka | 3:ade6c26d1b90 | 68 | continue; |
abhishekgoyanka | 3:ade6c26d1b90 | 69 | } |
abhishekgoyanka | 3:ade6c26d1b90 | 70 | |
abhishekgoyanka | 3:ade6c26d1b90 | 71 | // Select one of the cards |
abhishekgoyanka | 3:ade6c26d1b90 | 72 | if ( ! RfChip.PICC_ReadCardSerial()) |
abhishekgoyanka | 3:ade6c26d1b90 | 73 | { |
abhishekgoyanka | 3:ade6c26d1b90 | 74 | wait_ms(200); |
abhishekgoyanka | 3:ade6c26d1b90 | 75 | continue; |
abhishekgoyanka | 3:ade6c26d1b90 | 76 | } |
abhishekgoyanka | 3:ade6c26d1b90 | 77 | |
abhishekgoyanka | 3:ade6c26d1b90 | 78 | LedGreen = 0; |
abhishekgoyanka | 3:ade6c26d1b90 | 79 | |
abhishekgoyanka | 3:ade6c26d1b90 | 80 | |
abhishekgoyanka | 3:ade6c26d1b90 | 81 | |
abhishekgoyanka | 3:ade6c26d1b90 | 82 | // Print Card UID |
abhishekgoyanka | 3:ade6c26d1b90 | 83 | printf("Card UID: "); |
abhishekgoyanka | 3:ade6c26d1b90 | 84 | for (uint8_t i = 0; i < RfChip.uid.size; i++) |
abhishekgoyanka | 3:ade6c26d1b90 | 85 | { |
abhishekgoyanka | 4:6ba6c4be9dde | 86 | printf("%X02", RfChip.uid.uidByte[i]); |
abhishekgoyanka | 3:ade6c26d1b90 | 87 | user[i]=RfChip.uid.uidByte[i]; |
abhishekgoyanka | 3:ade6c26d1b90 | 88 | } |
abhishekgoyanka | 4:6ba6c4be9dde | 89 | printf("\n"); |
abhishekgoyanka | 5:9f7e1200059e | 90 | |
abhishekgoyanka | 3:ade6c26d1b90 | 91 | |
abhishekgoyanka | 5:9f7e1200059e | 92 | |
abhishekgoyanka | 4:6ba6c4be9dde | 93 | sprintf(abhishektemp,"%X02%X02%X02%X02",user[0],user[1],user[2],user[3]); |
abhishekgoyanka | 4:6ba6c4be9dde | 94 | printf("Abitemp is %s",abhishektemp); |
abhishekgoyanka | 4:6ba6c4be9dde | 95 | |
abhishekgoyanka | 5:9f7e1200059e | 96 | if(strcmp(abhishektemp, abhishek)==0) |
abhishekgoyanka | 5:9f7e1200059e | 97 | { |
abhishekgoyanka | 5:9f7e1200059e | 98 | printf("\n found abhishek\n"); |
abhishekgoyanka | 5:9f7e1200059e | 99 | if (flagAbi==1) |
abhishekgoyanka | 5:9f7e1200059e | 100 | { |
abhishekgoyanka | 5:9f7e1200059e | 101 | printf("Already logged in!\n"); |
abhishekgoyanka | 5:9f7e1200059e | 102 | lcd.printString("Abichek",0,0); |
abhishekgoyanka | 5:9f7e1200059e | 103 | } |
abhishekgoyanka | 5:9f7e1200059e | 104 | else if (flagAbi==0) |
abhishekgoyanka | 5:9f7e1200059e | 105 | { |
abhishekgoyanka | 5:9f7e1200059e | 106 | printf("\nWriting data to the sd card \n"); |
abhishekgoyanka | 6:bc2ca526022f | 107 | fp = fopen("/sd/attendance.txt", "a+"); |
abhishekgoyanka | 5:9f7e1200059e | 108 | if (fp == NULL) |
abhishekgoyanka | 5:9f7e1200059e | 109 | { |
abhishekgoyanka | 5:9f7e1200059e | 110 | pc.printf("Unable to write the file \n"); |
abhishekgoyanka | 5:9f7e1200059e | 111 | } |
abhishekgoyanka | 5:9f7e1200059e | 112 | else |
abhishekgoyanka | 5:9f7e1200059e | 113 | { |
abhishekgoyanka | 6:bc2ca526022f | 114 | // while(!feof(fp)) {}; |
abhishekgoyanka | 5:9f7e1200059e | 115 | fprintf(fp, "\nAbhishek PRESENT \n"); |
abhishekgoyanka | 5:9f7e1200059e | 116 | fclose(fp); |
abhishekgoyanka | 5:9f7e1200059e | 117 | } |
abhishekgoyanka | 5:9f7e1200059e | 118 | flagAbi=1; |
abhishekgoyanka | 5:9f7e1200059e | 119 | lcd.printString("ABHISHEK",0,0); |
abhishekgoyanka | 5:9f7e1200059e | 120 | } |
abhishekgoyanka | 5:9f7e1200059e | 121 | } |
abhishekgoyanka | 5:9f7e1200059e | 122 | else if(strcmp(abhishektemp,sam)==0) |
abhishekgoyanka | 5:9f7e1200059e | 123 | { |
abhishekgoyanka | 5:9f7e1200059e | 124 | printf("\n found Sam\n"); |
abhishekgoyanka | 5:9f7e1200059e | 125 | if (flagSam==1) |
abhishekgoyanka | 5:9f7e1200059e | 126 | { |
abhishekgoyanka | 5:9f7e1200059e | 127 | printf("Already logged in!\n"); |
abhishekgoyanka | 5:9f7e1200059e | 128 | lcd.printString("Sam",0,0); |
abhishekgoyanka | 5:9f7e1200059e | 129 | } |
abhishekgoyanka | 5:9f7e1200059e | 130 | else if (flagSam==0) |
abhishekgoyanka | 5:9f7e1200059e | 131 | { |
abhishekgoyanka | 5:9f7e1200059e | 132 | printf("\nWriting data to the sd card \n"); |
abhishekgoyanka | 6:bc2ca526022f | 133 | fp = fopen("/sd/attendance.txt", "a+"); |
abhishekgoyanka | 5:9f7e1200059e | 134 | if (fp == NULL) |
abhishekgoyanka | 5:9f7e1200059e | 135 | { |
abhishekgoyanka | 5:9f7e1200059e | 136 | pc.printf("Unable to write the file \n"); |
abhishekgoyanka | 5:9f7e1200059e | 137 | } |
abhishekgoyanka | 5:9f7e1200059e | 138 | else |
abhishekgoyanka | 5:9f7e1200059e | 139 | { |
abhishekgoyanka | 6:bc2ca526022f | 140 | // while(!feof(fp)) {}; |
abhishekgoyanka | 5:9f7e1200059e | 141 | fprintf(fp, "\nSAM PRESENT \n"); |
abhishekgoyanka | 5:9f7e1200059e | 142 | fclose(fp); |
abhishekgoyanka | 5:9f7e1200059e | 143 | } |
abhishekgoyanka | 5:9f7e1200059e | 144 | flagSam=1; |
abhishekgoyanka | 5:9f7e1200059e | 145 | printf("FlagSam=%i\n",flagSam); |
abhishekgoyanka | 5:9f7e1200059e | 146 | lcd.printString("Sam",0,0); |
abhishekgoyanka | 5:9f7e1200059e | 147 | |
abhishekgoyanka | 5:9f7e1200059e | 148 | } |
abhishekgoyanka | 3:ade6c26d1b90 | 149 | |
abhishekgoyanka | 5:9f7e1200059e | 150 | printf("Just after continue\n"); |
abhishekgoyanka | 5:9f7e1200059e | 151 | } |
abhishekgoyanka | 3:ade6c26d1b90 | 152 | |
abhishekgoyanka | 5:9f7e1200059e | 153 | else |
abhishekgoyanka | 5:9f7e1200059e | 154 | { |
abhishekgoyanka | 5:9f7e1200059e | 155 | continue; |
abhishekgoyanka | 5:9f7e1200059e | 156 | } |
abhishekgoyanka | 4:6ba6c4be9dde | 157 | |
Kojto | 0:a83db87be46c | 158 | printf("\nReading data from the SD card. \n"); |
abhishekgoyanka | 3:ade6c26d1b90 | 159 | fp = fopen("/sd/attendance.txt", "r"); |
abhishekgoyanka | 3:ade6c26d1b90 | 160 | if (fp != NULL) |
abhishekgoyanka | 3:ade6c26d1b90 | 161 | { |
Kojto | 0:a83db87be46c | 162 | int size = fread(buffer, sizeof(char), 1024, fp); |
abhishekgoyanka | 3:ade6c26d1b90 | 163 | printf("Number of data read: %d, text from attendance.txt file: %s \n", size, buffer); |
Kojto | 0:a83db87be46c | 164 | fclose(fp); |
Kojto | 0:a83db87be46c | 165 | } |
Kojto | 0:a83db87be46c | 166 | } |
abhishekgoyanka | 5:9f7e1200059e | 167 | } |