rfid based security system code of c programming using the id given

[amulya]

 

please respond to my question as soon as possible….we have undertaken rfid security system as our project and in the code given the rfid tag ie the serial number is of matrix 6, 12 matrix form  but the tag we have  purchased has number which goes… 0012815517 195,35997 plz provide me the solution of this rfid serial number in the code

that woud be a great deal of help…please respond asap…

thanku

[AJISH ALFRED]

Each RFID tag has a seperate number. Easy method is that read the number serially and store it as a string, and then simply use string comparison functions like strcmp ( ) to identify the tag. Could you please share why are you going for a 6*12 matrix ?

[amulya]

hey thanks for the help,but the code that was already availabe had a 6×12 matrix. our main question is how to read the tag  serially,because unlike other tags,ours has a 20 character unique id, which includes spaces and even a comma. and we are using 6X12 matrix bcz lcd display has the following specifications…

 

[AJISH ALFRED]

Hi amulya,

could you please share the part number of your 6,12 LCD module, coz so far I’ve seen only LCD module with specification 16,2 or 16,1 or 16,4 etc.

Anyway for your 6, 12 matrix, consider it as a linear array of 72 elements (6*12). Now you can start from 0th elemnt and store the 0th character coming in serially, increment the array elemnt to 1, store the 1th serial character….. do it till the 19th character is received.

[chandrasekhar]

what u have specified is not the tag serial code.inorder to find the serial code.u have to interface your rfid module with pc then u can see the 12 bit serial code in the hyperterminal.

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