0
\$\begingroup\$

What is "Pointer" in DM14 at J1939 CAN-bus standard? Can it be the memory Address[DEC]?

enter image description here

enter image description here

enter image description here

enter image description here

\$\endgroup\$
1
\$\begingroup\$

That pointer contains a value which is the address of memory to be used for the read or write operation.

\$\endgroup\$
3
  • \$\begingroup\$ So if I got the address of EEPROM memory 200, then I should write 200 to the Pointer? And the length is the lenght of the EEPROM memory value e.g. 2 bytes? \$\endgroup\$
    – MrYui
    Aug 13 '20 at 23:28
  • \$\begingroup\$ That would be my guess, yes. \$\endgroup\$
    – Justme
    Aug 14 '20 at 8:46
  • \$\begingroup\$ Ok. I take that as an answer. J1939-21 is not an well explained protocol. \$\endgroup\$
    – MrYui
    Aug 14 '20 at 9:33

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.