S32KのトピックRe: S32DS 3.5 S32K344 freertos OsifUseSystemTimer

S32DS 3.5 S32K344 freertos OsifUseSystemTimer

harryoceana — Tue, 13 May 2025 10:17:17 GMT

20250513-173958.png

S32K344 在不使用MACL, 使用FreeRtos的情况下，是否可以使用OsifUseSystemTimer, 如果可以使用，OsifCounterConfig里的选项应该怎么配置。如果使用OsifUseCustomTimer, 将Pit或者STM作为定时器， OsifCounterConfig又应该怎么配置？

Re: S32DS 3.5 S32K344 freertos OsifUseSystemTimer

Julián_AragónM — Tue, 13 May 2025 16:57:06 GMT

Hi @harryoceana,

Yes, you can use the System Timer. Please refer to this post: Solved: Delay function using OSIF - NXP Community. In the newer RTD updates, you can simply add the "Clock_Ip_ReferencePoints" component instead of the Mcu driver in the MCAL layer:

Julin_AragnM_0-1747155380366.png

Julin_AragnM_1-1747155408607.png

Best regards,
Julián

Re: S32DS 3.5 S32K344 freertos OsifUseSystemTimer

harryoceana — Wed, 14 May 2025 01:39:10 GMT

有道截屏翻译结果_1747186631767.png

在freertos 下，时钟参考提示只能在无操作系统下使用，这个有影响吗？

Re: S32DS 3.5 S32K344 freertos OsifUseSystemTimer

Julián_AragónM — Wed, 14 May 2025 18:37:14 GMT

Hi @harryoceana,

Sorry, I thought you meant to use System Timer without FreeRTOS. If you are using any operating system, you must use that clock instead.

For example, in FreeRTOS_Toggle_Led_Example_S32K344, the OsIfFreeRtosType choice is set, and the FreeRTOS clock is used instead.

Julin_AragnM_0-1747247790056.png

Best regards,
Julián

Re: S32DS 3.5 S32K344 freertos OsifUseSystemTimer

Djuric — Mon, 29 Jun 2026 20:23:25 GMT

If anyone is reading this, this is not correct information.
When OsIfsOperatingSystemType is set to OsIfFreeRtosType, the OsIf System Timer is disabled.

Works only in baremetal mode

https://community.nxp.com/t5/S32K/Microsecond-delay-outside-of-FreeRTOS-task-on-S32K344/td-p/1383622