Request Can Data

Testing and development of Megasquirt 3

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Alfagta
Experienced MS/Extra'er
Posts: 239
Joined: Wed Aug 21, 2013 2:54 am

Request Can Data

Post by Alfagta »

Hello,

is it needed to set Can Master enable to "enabled" when i want request data from the ms?
Or can i leave it disabled?

I have tested it and i also get an answear when i set it to disabled.
But ist that as it should work?

I have attached a can analyzer log.
Master enabled is at "diasbled" all the time.

The first few (0-25) entries are with the ms and the analyzer connected.
There i always get my request with false data.
And also the answear isn't correct.

Then i have disconnected the ms from the can. Entries 26-37.
As you can see the Request is send correct at this time.

After that i connected the ms back on the can bus.
Entries 38-56.
Request stays correct. And also the answear is correct now.

I don't now why i get a corrupt request when i startup everything when the ms is connected.
When i startup with the ms disconnected the request is okay from the first time on.

Any ideas what is going on there?

Thanks in advance.
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