S32KのトピックS32K116-EVB2 LIN communications doesn´t work

S32K116-EVB2 LIN communications doesn´t work

davara — Thu, 04 May 2023 14:46:10 GMT

Hi, i´m trying the demo project lin_slave_s32k116 in a S32K116EVB2Q048 and the board doesn´t receive nor transmit any message. I´ve used an oscilloscope to check if the signal was corrrectly arriving to the LIN-associated pin, and that´s ok.

During the first attempts, as it comes configured by default in the demo, the LIN Rx/Tx pin were PTC6/PTC7. The communications doesn´t work, so that i changed these pins to PTC8/PTC9 and communications are not working yet.

I guess the problem may be in the transceiver wake-up process, but i don´t know. The instructions to wake-up the transceiver are the following:

````

/* Set LIN transceiver sleep pin direction */
PINS_DRV_SetPinsDirection(PTA, (0x1u << 7UL));
/* Wake up LIN transceiver */
PINS_DRV_SetPins(PTA, (0x1u << 7UL));

```

Thanks for your help, regards.

Re: S32K116-EVB2 LIN communications doesn´t work

VaneB — Thu, 04 May 2023 18:23:12 GMT

Hi @davara

To run the example you will need to have the following items:

2 S32K116 boards
1 Power Adapter 12V
2 Dupont female to female cable
1 Personal Computer
1 Jlink Lite Debugger (optional, users can use Open SDA)

Be sure to have this before running the project.

B.R.

VaneB

Re: S32K116-EVB2 LIN communications doesn´t work

davara — Fri, 05 May 2023 08:28:35 GMT

¿Must i flash in one board the slave demo program and the master demo program in the other one? ¿Or the slave demo in both?

Thank you.

Re: S32K116-EVB2 LIN communications doesn´t work

VaneB — Fri, 05 May 2023 17:58:04 GMT

Hi @davara

This example demonstrates the LIN communication between S32K116 Master and Slave using unconditional frames.

So, it is necessary to have one board as slave and the other as master.

回复： S32K116-EVB2 LIN communications doesn´t work

Haffman — Wed, 27 Dec 2023 08:43:42 GMT

Hello, sir. Have you resolved the LIN communication issue now?