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[question] what is the use of the uid_to_num function? #37

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osteoblast22 opened this issue Jan 29, 2021 · 0 comments

osteoblast22 commented Jan 29, 2021

Hi,
Can someone explain to me the use of this function? why not return the UID directly, what does this function do and why was it used?

MFRC522-python/mfrc522/SimpleMFRC522.py

Lines 86 to 90 in 970e903

    
           def uid_to_num(self, uid): 
        
               n = 0 
        
               for i in range(0, 5): 
        
                   n = n * 256 + uid[i] 
        
               return n

regards

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