32 lines
		
	
	
		
			771 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			32 lines
		
	
	
		
			771 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | #include <boost/crc.hpp> | ||
|  | #include <boost/config.hpp> | ||
|  | 
 | ||
|  | extern "C" | ||
|  | { | ||
|  |    short crc10 (unsigned char const * data, int length); | ||
|  |    bool crc10_check (unsigned char const * data, int length); | ||
|  | } | ||
|  | 
 | ||
|  | #define POLY 0x08f | ||
|  | 
 | ||
|  | #ifdef BOOST_NO_CXX11_CONSTEXPR | ||
|  | #define TRUNCATED_POLYNOMIAL POLY | ||
|  | #else | ||
|  | namespace | ||
|  | { | ||
|  |   unsigned long constexpr TRUNCATED_POLYNOMIAL = POLY; | ||
|  | } | ||
|  | #endif | ||
|  | 
 | ||
|  | // assumes CRC is last 16 bits of the data and is set to zero | ||
|  | // caller should assign the returned CRC into the message in big endian byte order | ||
|  | short crc10 (unsigned char const * data, int length) | ||
|  | { | ||
|  |     return boost::augmented_crc<10, TRUNCATED_POLYNOMIAL> (data, length); | ||
|  | } | ||
|  | 
 | ||
|  | bool crc10_check (unsigned char const * data, int length) | ||
|  | { | ||
|  |    return !boost::augmented_crc<10, TRUNCATED_POLYNOMIAL> (data, length); | ||
|  | } |