CAN extended ID

Good morning at all,
I’ve a question regards extended ID.

in function CAN.sendMsgBuf(INT8U id, INT8U ext, INT8U len, data_buf) if I put ext=1 no message send.

have any suggestion?


hi christian, sorry for the late reply, I didn’t notice your question before

have a try the latest code:

if any question about canbus, send me a email:


maybe something wrong about initi…