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nullfx.crc

CI Status Version License Platform

Installation

nullfx.crc is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'nullfx.crc'

License

nullfx.crc is available under the MIT license. See the LICENSE file for more info.

this repository is also mirrored on GitLab and BitBucket just in case the new evil overlords kill off the greatness of github...

Alternate

There's another version of this library that uses swift PM here: https://github.com/nullfx/NullfxCrc

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swift-nullfx.crc's Issues

Can you help me understand why I'm getting different results w/ your package vs an online CRC calculator?

Hi,
I'm working on a BLE project where I have to calculate a CRC-8 value.

I have a working example in my Swift app where I have the values [0xAA, 0x14, 0xEB, 0x00, 0x00, 0x00, 0x00] and according to https://crccalc.com/?crc=0xAA 0x14 0xEB 0x00 0x00 0x00 0x00&method=crc8&datatype=hex&outtype=hex the check sum is OxC6

This works in my app as well so I believe its correct.

When I use your library like this:
let val = Crc8.computeChecksum(on: [0xAA, 0x14, 0xEB, 0x00, 0x00, 0x00, 0x00])
var st = String(format:"%02X", val)
st += " is the hexadecimal representation of (val)"
print(st)

I get a value of 75, which in Hex is 4B

Can you please help me understand what I'm doing wrong?

thanks!!
adam

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