Hi 康 徐,
TIC
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Hi 康 徐,
你可以把你使用的代码贴上来,我这边测试一下。
Have a great day,
TIC
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Hi 康 徐,
请详细介绍一下你的测试过程,工程,板子名称,硬件配置等,这样可以100%保证现象复现。
Have a great day,
TIC
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Hi 康 徐,
好的,我在LPXpresso 54608板子上测试一下,看看能否复现问题。
Have a great day,
TIC
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Hi 康 徐,
测试过程中,我首先按照参考书手册中的Table 1026推荐的引脚配置来重新定义了PIO0_10,而在测试结果中除了一开始会有一些零星大于0的采样值,后面基本上都是0值。
Have a great day,
TIC
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Hi,
没有加延时,直接测试的,这样的话可能对干扰更敏感一些。
Have a great day,
TIC
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Hi 康 徐,
我这边测出来一开始出现几个跳动,后面几乎都是0的,我觉得这应该可能更多是开发板硬件设计有关,
LPC开发板的工艺可能有噪声干扰,你可以考虑在引脚口加一个滤波电容再测试一下。
Have a great day,
TIC
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