S32K344 EMIOS LCU timestamp model

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S32K344 EMIOS LCU timestamp model

1,555 次查看
scott071209
Contributor II

Dear,

在使用如下的例程,把ICU的时间戳模式从线性改为循环的话,客户测试发现会偶尔有异常数据,具体如附件,还请帮忙给确认是哪的问题?谢谢!

https://community.nxp.com/t5/S32K-Knowledge-Base/Example-S32K344-eMIOS-Icu-with-DMA-S32DS-3-6-2-RTD-...

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1,526 次查看
Senlent
NXP TechSupport
NXP TechSupport

Hi@scott071209

让你的客户提供具体的测试环境以及测试错误的截图。

例如测试的硬件是什么,修改了哪些地方,测试错误的结果截图等。我无法根据你的描述来定位问题的原因。

其次,你提供的第二张图片和该问题相关吗?

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scott071209
Contributor II

sorry, update picture(is fault timestamp) .

customer use S32K344 EVB, and change LCU timestamp model.(form linear to circle). and change program buffer size from 10u to 128U.

Please see attachment.

 

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Senlent
NXP TechSupport
NXP TechSupport

Hi@scott071209

我按照你的修改方式在S32K344EVB上进行了测试,我跑了一段时间我并没有发现有什么问题。

我不知道客户是如何将这些数值导出分析的,这可能是连接线受到了干扰之类出现的问题。

如果客户能百分百复现的话,我可以按照他的方式再次进行测试。

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