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5
votes
2answers
391 views
What's the correct form of this CRC algorithm
We are working on communication between AVR and a Crous PTZ.
We found its protocol and now we can turn it on and so.
We have problem with its CRC. This is Crous protocol doc (Got it here), at end of ...
2
votes
1answer
2k views
Calculating a simple CRC
In the datasheet for the ET1200 EtherCAT ASIC (page 94), I am told that I need to calculate a CRC of some of the 16-bit data in its EEPROM. The only description of this CRC is:
Low byte [of word ...
1
vote
3answers
164 views
Why is the data output of some ICs in two's complement form?
I've been looking into some ICs now. Some of them have the calculated result (data) in twos complement form, placed in register to be read by other IC. What is the logic behind converting the data to ...
1
vote
1answer
618 views
CRC-16 Calculation
I'm trying to calculate the CRC-16 in hex form using a seed of 0x0000. For your convenience, here's the polynomial for CRC-16
\$ x^{16} + x^{15} + x^2 + 1 \$
I have the following packet sequence ...
