zbq 发表于 2024-4-9 16:07:08

STM32 CAN2初始化为啥要把CAN1时钟也打开呢?

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



cubeMx生成的折断代码我是没看明白啥原理,有了解的么,是只能打开一次么,重复打开会产生啥情况?

eric2013 发表于 2024-4-9 16:35:01

CAN1是全功能版,CAN2不是,使用有些注意事项,其中使能CAN1时钟才可以使用CAN2就是其中一项。

zbq 发表于 2024-4-9 16:42:34

eric2013 发表于 2024-4-9 16:35
CAN1是全功能版,CAN2不是,使用有些注意事项,其中使能CAN1时钟才可以使用CAN2就是其中一项。

哦哦,谢谢
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查看完整版本: STM32 CAN2初始化为啥要把CAN1时钟也打开呢?