RFID RDM6300 Code.. Sample ?? Anyone ??

Hi Thank you for reading….

I have recently got my self some of these to play with.. RDM630(0) Em4100 Serial Output

http://imall.iteadstudio.com/im120618002.html

Question :-

There seems to be a lack of example code around the internet…. Has anybody used these with PBP?

Am I right in just reading what the serial is squirting out somehow ??

Is there any samples to look at ?

BR and Thank you.

Andy

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

this link explains a lot
http://www.seeedstudio.com/wiki/125K..._module_-_UART

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

Here is a RFID example which uses serin to read 10 characters from a RFID reader.

RFID by Ecoli-557

Have a read and as usual if you need more help just ask.

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

This is the example from the site in your original post it reads 14 tag IDs using I will look into converting this to PBP 2.5c for you.

Code:

#include <p18lf26j11.h> #include <delays.h> #include <usart.h> #include <string.h> #pragma config OSC = HS //High speed crystal #pragma config WDTEN = OFF //Disable watchdog timer #pragma config XINST = OFF //Disable Extended CPU mode //LED Pin Configuration #define LED1Pin LATAbits.LATA0 #define LED1Tris TRISAbits.TRISA0 #define LED2Pin LATAbits.LATA1 #define LED2Tris TRISAbits.TRISA1 #define LED3Pin LATAbits.LATA2 #define LED3Tris TRISAbits.TRISA2 #define RFIDVCCPin LATBbits.LATB4 //Define RFIDVCCPin as PORT B Pin 4 #define RFIDVCCTris TRISBbits.TRISB4 //Define RFIDVCCTris as TRISB Pin 4 //Flags & Data Reception Variables volatile char tagRecdFlag; volatile char tagComingFlag; volatile char tagCounter; volatile char tagRX[14] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; //RFID Tag IDs char rfidTag1[14] = {0x02, 0x30, 0x35, 0x30, 0x30, 0x41, 0x44, 0x44, 0x38, 0x46, 0x46, 0x43, 0x3f, 0x03}; char rfidTag2[14] = {0x02, 0x30, 0x35, 0x30, 0x30, 0x41, 0x44, 0x42, 0x46, 0x35, 0x37, 0x36, 0x30, 0x03}; char rfidTag3[14] = {0x02, 0x30, 0x35, 0x30, 0x30, 0x41, 0x45, 0x33, 0x46, 0x36, 0x35, 0x44, 0x33, 0x03}; //Function Prototypes void rx_handler(void); //Function Prototypes #pragma code rx_interrupt = 0x8 void rx_int(void) { _asm goto rx_handler _endasm } #pragma code #pragma interrupt rx_handler void rx_handler(void) { unsigned char rxByte; rxByte = RCREG1; //Read character received from USART if (tagComingFlag == 0 && rxByte == 0x02) { tagRX[tagCounter] = rxByte; tagComingFlag = 1; tagCounter++; } else if (tagComingFlag == 1) { tagRX[tagCounter] = rxByte; tagCounter++; if (tagCounter == 14) { tagCounter = 0; tagComingFlag = 0; tagRecdFlag = 1; } } else { tagComingFlag = 0; tagCounter = 0; } PIR1bits.RCIF = 0; //Clear interrupt flag } void main() { //Set LED Pins data direction to OUTPUT LED1Tris = 0; LED2Tris = 0; LED3Tris = 0; //Set LED Pins to OFF LED1Pin = 0; LED2Pin = 0; LED3Pin = 0; tagRecdFlag = 0; //Set in ISR if new RFID tag has been read tagComingFlag = 0; //Indicates if a tag is partially received tagCounter = 0; //Counts byte index //USART1 Initialization Open1USART(USART_TX_INT_OFF & USART_RX_INT_ON & USART_ASYNCH_MODE & USART_EIGHT_BIT & USART_CONT_RX & USART_BRGH_LOW, 25); //Interrupts RCONbits.IPEN = 1; //Enable interrupt priority IPR1bits.RC1IP = 1; //Make receive interrupt high priority INTCONbits.GIEH = 1; //Enable all high priority interrupts //Turn on RFID Module RFIDVCCTris = 0; //Set to output RFIDVCCPin = 1; //Turn on RFID Module while(1) { if (tagRecdFlag) { //Toggle LED corresponding to which card was read if (memcmp(tagRX, rfidTag1, 14) == 0) { LED1Pin = ~LED1Pin; } if (memcmp(tagRX, rfidTag2, 14) == 0) { LED2Pin = ~LED2Pin; } if (memcmp(tagRX, rfidTag3, 14) == 0) { LED3Pin = ~LED3Pin; } //Delay 1/2 sec & clear flags to prevent repeated card read Delay10KTCYx(200); tagRecdFlag = 0; tagComingFlag = 0; tagCounter = 0; } } }

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

After a bit more reading.

14 bytes because the output includes

a start byte - 02
10 tag characters
2 CRC bytes
an end byte - 03

so with serin2 wait for 02 character and then read 10 characters into tag buffer like this

SERIN2 rfid_data, 396, [WAIT($02),STR buf\10]

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

Hi..
Thank you all for help..... I have just got something working ....

Not quite sure how the number on the card relates to the hex number embeded in the card...Had to get that out via clever use of a MAX232 chip, hyperterminal and a few caps on the bench...!!

Thank you all again...

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

Quote:

Originally Posted by andybarrett1

Not quite sure how the number on the card relates to the hex number embeded in the card...

There is no relation except for the CRC. My understanding is that you have to swipe the cards and capture the embedded numbers (Tag) which you can then use in your code. The output from the RFID is TTL level and using a MAX232 is one way forward.

I have read some posts that suggest the CRC is used to catch bad data but the datasheet says the CRC is calculated using the card number. Examples I have seen ignore the CRC and end byte. I guess the cards are reasonably reliable and do not need CRC checking or end byte detection, who knows?

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

Quote:

Originally Posted by EarlyBird2

There is no relation except for the CRC. My understanding is that you have to swipe the cards and capture the embedded numbers (Tag) which you can then use in your code.

That is what I will do…. Seems to be others have same issue..

Thanks again for help

Andy

Re: RFID RDM6300 Code.. Sample ?? Anyone ??

Hi Folks,
I started to play with this RFID reader. For beginning I try to create a simple TAG reader and show the tag number on NOKIA LCD. I can read the tag and display it, but I can't extract the decimal value from readed HEX string. For example: TAG number written on tag is 0008201470 (dec) readed as 34007D24FE (HEX).
My question is how to convert this HEX to DEC?
Reading the TAG as HEX string:

Code:

'**************************************************************** '* Name : RDM6300 RFID Reader, nokia LCD * '* Notes : PIC16F1829 * '**************************************************************** ;@ errorlevel -306 #CONFIG __config _CONFIG1, _FOSC_INTOSC & _WDTE_OFF & _PWRTE_OFF & _MCLRE_OFF & _CP_OFF & _CPD_OFF & _BOREN_ON & _CLKOUTEN_OFF & _IESO_ON & _FCMEN_OFF __config _CONFIG2, _WRT_OFF & _PLLEN_OFF & _STVREN_ON & _BORV_19 & _LVP_OFF #ENDCONFIG DEFINE OSC 16 ; Use a 16 MHZ internal clock OSCCON = %01111010 OSCTUNE = %111111 CLKRCON = 0 APFCON0 = 0 APFCON1 = 0 CM1CON0 = 0 FVRCON = %11000011 ADCON1 = %00010000 ADCON0 = %00000000 CCP1CON = %00000000 CCP2CON = %00000000 ANSELA = %00000000 ANSELB = %00000000 ANSELC = %00000000 TRISA = %00100000 TRISB = %00100000 TRISC = %00000000 CM1CON0 = 0 ; Disable comparator 1 CM2CON0 = 0 ; Disable comparator 2 OPTION_REG.6=0 OPTION_REG.7=1 ; weak pull ups clear DEFINE HSER_RCSTA 90h ; Set receive register to receiver enabled DEFINE HSER_TXSTA 24h ; Set transmit register to transmitter enabled DEFINE HSER_CLROERR 1 ' Clear overflow automatically DEFINE HSER_BAUD 9600 BUFF VAR BYTE [11] bank1 #DEFINE PIC16 1 lcdheight con 5 ; 6 PAGES lcdwidth con 83 ; 84 PIXELS WIDE LCD_CLK var portC.0 LCD_DIN var portC.1 LCD_RST var portC.2 LCD_DC var portC.3 LCD_CE var portC.4 LCD_LIGHT var portC.5 sw1 var porta.5 buf VAR byte [10] include "nokia_ds2.INC" include "font7x5_16.bas" gosub lcd_init pause 100 LCDCLR pause 100 Main: ;TAG No. Decimal: 0008201470 hserin 100,main,[wait ($02), STR buf\10] ;wait for $02, then read 10 bytes ascii hex ;Reading in HEX: 34007D24FE bigtxt = 0 ARRAYWRITE BUFF,[str buf] ;display on NOKIA LCD LCDSTR 0,0,BUFF goto main

Reading the TAG as five individual HEX byte:

Code:

'**************************************************************** '* Name : RDM6300 RFID Reader, nokia LCD * '* Notes : PIC16F1829 * '**************************************************************** ;@ errorlevel -306 #CONFIG __config _CONFIG1, _FOSC_INTOSC & _WDTE_OFF & _PWRTE_OFF & _MCLRE_OFF & _CP_OFF & _CPD_OFF & _BOREN_ON & _CLKOUTEN_OFF & _IESO_ON & _FCMEN_OFF __config _CONFIG2, _WRT_OFF & _PLLEN_OFF & _STVREN_ON & _BORV_19 & _LVP_OFF #ENDCONFIG DEFINE OSC 16 ; Use a 16 MHZ internal clock OSCCON = %01111010 OSCTUNE = %111111 CLKRCON = 0 APFCON0 = 0 APFCON1 = 0 CM1CON0 = 0 FVRCON = %11000011 ADCON1 = %00010000 ADCON0 = %00000000 CCP1CON = %00000000 CCP2CON = %00000000 ANSELA = %00000000 ANSELB = %00000000 ANSELC = %00000000 TRISA = %00100000 TRISB = %00100000 TRISC = %00000000 CM1CON0 = 0 ; Disable comparator 1 CM2CON0 = 0 ; Disable comparator 2 OPTION_REG.6=0 OPTION_REG.7=1 ; weak pull ups clear DEFINE HSER_RCSTA 90h ; Set receive register to receiver enabled DEFINE HSER_TXSTA 24h ; Set transmit register to transmitter enabled DEFINE HSER_CLROERR 1 ' Clear overflow automatically DEFINE HSER_BAUD 9600 BUFF VAR BYTE [10] bank1 #DEFINE PIC16 1 lcdheight con 5 ; 6 PAGES lcdwidth con 83 ; 84 PIXELS WIDE LCD_CLK var portC.0 LCD_DIN var portC.1 LCD_RST var portC.2 LCD_DC var portC.3 LCD_CE var portC.4 LCD_LIGHT var portC.5 sw1 var porta.5 b0 var byte b1 var byte b2 var byte b3 var byte b4 var byte include "nokia_ds2.INC" include "font7x5_16.bas" gosub lcd_init pause 100 LCDCLR pause 100 Main: ;TAG No. Decimal: 0008201470 hSERIN 100,main,[wait ($02),hex2 b0, hex2 b1, hex2 b2, hex2 b3, hex2 b4] ; ;wait for $02, then read 10 bytes ascii hex ;Reading in HEX: 34007D24FE ARRAYWRITE BUFF,[hex2 b0, hex2 b1,hex2 b2, hex2 b3,hex2 b4] ;display on NOKIA LCD LCDSTR 0,0,BUFF gOTO main