can setup of digital input from can switch board

[rassie]

I am testing the connection of a cancheked switch board called CFE18 to the Link G4.  I cleared the analog input without any problem, but the digital input has a bit mask item and cannot be recognized.

I also saw the stream data file of the switch board V3 of the ECU master which has a similar frame configuration in G4X, but there was no item of digital input only for analog input.

Should I think that such a feature is not available in linkecu?

Could someone lend me some knowledge?

Thank you.

 

 

[essb00]

 

 

[rassie]

thank you.  I tried to reassemble it referring to the article and I was able to move it.  I am very grateful

[Adamw]

So have you figured it out or still need help?  Bit flags or masks can be achieved just by assigning 1 bit width to the parameter.

[rassie]

Since I was able to confirm the operation of the switch input by arranging 1 bit on byte 2, I think that the content of the initial question is okay.  The use of items after byte 3 of Dashi base ID + 2 is not well understood.

[Adamw]

Base ID+2, Byte 2 is what most would refer to a bit field - this is one byte that covers the status of 8 DI's.  Byte 3 onwards has only the same information but instead of squeezing it all into one byte they give each DI status it's own byte.  For example Byte 3 will be 0 when DI0 is off, or 1 when DI0 is on.  Byte 4 will be 0 when DI1 is off, or 1 when DI1 is on.  You dont need byte 3 onwards since you can get all the information you need in byte 2.  The data in Byte 3 onwards may be needed for a less flexible device that cant interpret single bits or do bit masks.

[rassie]

I didn't have enough understanding about CAN, so I was grateful for the explanation.  I finally understood the meaning of what was written.  I would like to study while touching it a little more.  Thank you