Last change
on this file was
1715,
checked in by murphpo, 12 years ago

cleaning up PHY directory; coded PHY is now primary OFDM_MIMO model

File size:
553 bytes

Rev  Line  

[1609]  1  function CRC_Table = CRC_table_gen(CRCPolynomial, bitLen) 

 2  %Calculates table of polynomial remainders for CRC computation 

 3  %Based on example code at http://www.netrino.com/EmbeddedSystems/HowTo/CRCCalculationCCode 

 4  

 5  if(bitLen > 32  bitLen < 1) 

 6  error('bitLen must be in [1,32]'); 

 7  end 

 8  

 9  crc_accum = 0; 

 10  

 11  for n=0:255 

 12  crc_accum = bitshift(n,(bitLen8),bitLen); 

 13  

 14  for m=0:7 

 15  x = bitshift(crc_accum, 1, bitLen); 

 16  if(crc_accum >= 2^(bitLen1)) 

 17  crc_accum = bitxor(x, CRCPolynomial); 

 18  else 

 19  crc_accum = x; 

 20  end 

 21  end 

 22  

 23  CRC_Table(n+1) = crc_accum; 

 24  end 

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