Davis VPS into C125 via CAN

D153, D175, C125, C127, C185 and C187 forum

Davis VPS into C125 via CAN

Postby tepid1 on Sun Feb 28, 2021 2:07 am

Hey everyone,

I'm still kind of a newb when it comes to CAN setup, but I understand the basics and have no problem setting up a standard message across devices. This situation is a bit different, the CAN message appears to be in reverse order from how Motec prefers message arrangement and that has me confused on how to setup correctly.

I need help on how to get this into the C125. I will ultimately take that data into my M150 which uses the Motec USA Drag Package.

See attached file for the Davis CAN details.
Davis CAN Transmit Detail 20200324_ScrnSht.pdf
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Re: Davis VPS into C125 via CAN

Postby adrian on Mon Mar 01, 2021 9:29 am

We typically use Big Endian (which is the same as that document) but reading in Little Endian is basically the same, you just set the alignment parameter to 'Word Swap' in the comms template.

Below is an example of how to setup 'Forward Acceleration' in the 0x0040003 message.
CAN Setup.png
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