3. Crc7

3.1. Function description:

This demo shows the calculation of 7 bits CRC.

Configure the size of the polynomial is 7 bits for CRC7 calculation.

Configure the CRC7.
Write data to CRC calculator to start hardware calculation.
Calculate the result of the CRC7 by software, then to compare with the hardware.

Initial value	Reverse input	Reverse output	Polynomial size	Coefficients	Xor value
0	no	no	7 bits	0x09	0

If the output result is same as the result calculated by software according to the theory, then print "pass", or print "fail".

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