I think this topic was previously discussed a long time ago...
How can I search for a specific procedure ( for example swapping bytes in a
word) in order to find different types of implementation (for lower code
length, etc)?
thx,

procedure swap_LSB_MSB (word in crc, word out swapped_crc) is
-- When the CRC is placed into the message, its upper and lower bytes must
be swapped crc_lo; crc_hi
   LSB_crc = byte (crc & 0x00ff)
   MSB_crc = byte (crc & 0xff00)
   swapped_crc = 256*LSB_crc + MSB_crc
end procedure

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