Created
March 2, 2016 19:26
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simple crc check using python
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| def crc_encode(self, message, length): | |
| new_message = message | |
| crc = 0 | |
| hex_crc = 0x91 | |
| #lopp through each letter in string and store the xor value | |
| for x in range(length): | |
| crc ^= ord(message[x]) | |
| #loop through each bit in char and check if it | |
| for y in range(8): | |
| if(crc & 1): | |
| crc ^=hex_crc | |
| crc >>= 1 | |
| return chr(crc) |
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