S32 SDK中的主题 Need LPUART2 using DMA example.

Need LPUART2 using DMA example.

paulffffff — Mon, 25 Mar 2024 20:34:55 GMT

I used provided example for LPUART0 using DMA for MR-CANHUBS32K344 board:

Solved: S32K3 LPUART using DMA in RTD 3.0.0 - NXP Community.

But I cannot configure tis example to use with LPUART2, which is routed and connected to debug connector and can be easy accessed. May you provide modified example for LPUART2 using DMA vs LPUART0 using DMA?

Re: Need LPUART2 using DMA example.

Robin_Shen — Wed, 27 Mar 2024 08:38:19 GMT

Did you change the configuration of LPUART2 in Rm Dma Mux?

Best Regards,
Robin
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Re: Need LPUART2 using DMA example.

paulffffff — Wed, 27 Mar 2024 14:26:33 GMT

Hi Robin,

thanks for advice. I can compile now project and configuration looks correct, but nothing appears as input or output data. may you please take a look to the project attached to this post?

Re: Need LPUART2 using DMA example.

Robin_Shen — Tue, 02 Apr 2024 11:13:28 GMT

Seems that you forget change the Hardware Channel in Dma Logic Channel:

Re: Need LPUART2 using DMA example.

paulffffff — Tue, 02 Apr 2024 15:38:16 GMT

it does not work

Re: Need LPUART2 using DMA example.

paulffffff — Tue, 02 Apr 2024 16:56:15 GMT

assign channels 16 and 17 of DMA don't make it running

Re: Need LPUART2 using DMA example.

Robin_Shen — Wed, 03 Apr 2024 01:55:58 GMT

Please test the modified project I sent you via private message.

Re: Need LPUART2 using DMA example.

paulffffff — Wed, 10 Apr 2024 19:42:07 GMT

can you create project DMA+ LPUART2?

Re: Need LPUART2 using DMA example.

Robin_Shen — Thu, 11 Apr 2024 03:14:37 GMT

I tested it before sending it to you via private message last week. It can be built normally and the serial port information sent can be observed on the lpuart2_tx PTA9 pin. I'm using S32DS v3.5 + S32K3 RTD 3.0.0 D2303.