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SM 630 finger print sensor interface with pic16f877a and hi tech compiler

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fawadbutt

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i want interface SM630 sensor with pic micro controller. i send add finger print command but sensor dont respond me. how can i check this sensor is work correctly. any software for this sensor to check demo test.
 

my SM630 module response me. try module connect with laptop serial port throw MAX232. but module continuously sending garbage value. how can i clear communication on 57600 baud rate without error.
 

i successfully read finger print with sm630 ..but i m face some problem. first time i read finger print its read successfully but when i read second time my micro controller stuck in add_fingerprint response.. if anybody working on sm630 plz help me..?
 

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