Markus_L811
Senior Member

Yes thats right neurofun, there is no CS code inside the lib, atm CS is allways HIGH.

Interesting part is my LIN-Master is working with _stream and does also hears by the LIN-Driver what is transmit, but in this case the Uart does not care.

Yes Pin1 (should) have a PullUp with the init from Serial1 with Serial1.begin() RXD has PullUp activate

Hello KurtE thanks for the input, _stream and Serial are not working inside the IRS, if I connect it like this: (Without any external wires PIN CS activate the Chip nothing more) It works if I connect with the...