s32k312 flexcan

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fengba_360
Contributor III

您好,我在使用s32k312 配置flexcan过程中有以下问题:

1.中断设置 要不要配置handle 函数(附件图片标红处),如果需要配置,那么每一路flexcan 应该配置成什么?

2.FlexCAN0_0_IRQn,FlexCAN0_1_IRQn,分别代表什么中断?handle函数应该怎么设置?

2.如果中断已经设置好,是否在代码里面还需要使用IntCtrl_Ip_EnableIrq()IntCtrl_Ip_InstallHandler()安装和注册中断函数。

谢谢!微信图片_20240803184442.png

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6,192件の閲覧回数
fengba_360
Contributor III
好的,谢谢 已经解决

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6,206件の閲覧回数
Robin_Shen
NXP TechSupport
NXP TechSupport

Hi fengba,

建议参考All Example S32K312 DS3.5 RTD-3.0.0里的CAN例程有配置这些。

需要配置与/RTD/src/FlexCAN_Ip_Irq.c里定义的handler名字,比如CAN0_ORED_IRQHandler、CAN0_ORED_0_31_MB_IRQHandler、CAN0_ORED_32_63_MB_IRQHandler。

/RTD/src/FlexCAN_Ip_Irq.c和参考手册附件里的S32K3xx_interrupt_map.xlsx都有介绍各个handler的含义。

如果你没使用IntCtrl_Ip_Init 和 IntCtrl_Ip_ConfigIrqRouting整体初始化IntCtrl_Ip里配置的,那么就需要单独使用IntCtrl_Ip_EnableIrq和IntCtrl_Ip_InstallHandler逐个实现。

Best Regards,
Robin
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Florence100733
Contributor I

我看很多demo里面都是直接声明了

extern void CAN0_ORED_IRQHandler(void);
extern void CAN0_ORED_0_31_MB_IRQHandler(void);
extern void CAN0_ORED_32_63_MB_IRQHandler(void);

也有网上教程是在外设里面配置后更新源代码的,请问这两者有什么区别呀

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6,193件の閲覧回数
fengba_360
Contributor III
好的,谢谢 已经解决
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%3CLINGO-SUB%20id%3D%22lingo-sub-1924371%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3Es32k312%20flexcan%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1924371%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%3CP%3E%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF%E3%80%82S32K312%20%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%A6%20FlexCAN%20%E3%82%92%E6%A7%8B%E6%88%90%E3%81%99%E3%82%8B%E9%9A%9B%E3%81%AB%E3%80%81%E6%AC%A1%E3%81%AE%E8%B3%AA%E5%95%8F%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82%3C%2FP%3E%3CP%3E1.%20%E5%89%B2%E3%82%8A%E8%BE%BC%E3%81%BF%E8%A8%AD%E5%AE%9A%E3%81%AF%E3%83%8F%E3%83%B3%E3%83%89%E3%83%AB%E9%96%A2%E6%95%B0%EF%BC%88%E6%B7%BB%E4%BB%98%E5%9B%B3%E3%81%AE%E8%B5%A4%E3%81%A7%E3%83%9E%E3%83%BC%E3%82%AF%E3%81%95%E3%82%8C%E3%81%9F%E9%83%A8%E5%88%86%EF%BC%89%E3%81%A7%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B%E5%BF%85%E8%A6%81%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F%E3%81%9D%E3%81%AE%E5%A0%B4%E5%90%88%E3%80%81%E5%90%84%E3%83%95%E3%83%AC%E3%83%83%E3%82%AF%E3%82%B9%E9%96%A2%E6%95%B0%E3%81%AF%E3%81%A9%E3%81%AE%E3%82%88%E3%81%86%E3%81%AB%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8B%E5%BF%85%E8%A6%81%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F%3C%2FP%3E%3CP%3E2.%20FlexCAN0_0_IRQn%E3%81%A8FlexCAN0_1_IRQn%E3%81%AF%E3%81%A9%E3%81%AE%E3%82%88%E3%81%86%E3%81%AA%E5%89%B2%E3%82%8A%E8%BE%BC%E3%81%BF%E3%82%92%E8%A1%A8%E3%81%97%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F%E3%83%8F%E3%83%B3%E3%83%89%E3%83%AB%E9%96%A2%E6%95%B0%E3%81%AF%E3%81%A9%E3%81%AE%E3%82%88%E3%81%86%E3%81%AB%E8%A8%AD%E5%AE%9A%E3%81%99%E3%82%8C%E3%81%B0%E3%82%88%E3%81%84%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F%3C%2FP%3E%3CP%3E2.%20%E5%89%B2%E3%82%8A%E8%BE%BC%E3%81%BF%E3%81%8C%E8%A8%AD%E5%AE%9A%E3%81%95%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E5%A0%B4%E5%90%88%E3%80%81%3CSPAN%3E%E5%89%B2%E3%82%8A%E8%BE%BC%E3%81%BF%E6%A9%9F%E8%83%BD%E3%82%92%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB%E3%81%97%E3%81%A6%E7%99%BB%E9%8C%B2%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AB%E3%80%81%E3%82%B3%E3%83%BC%E3%83%89%E5%86%85%E3%81%A7%3C%2FSPAN%3E%3CSPAN%3EIntCtrl_Ip_EnableIrq()%3C%2FSPAN%3E%E3%81%A8%20IntCtrl_Ip_InstallHandler()%20%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%99%E3%82%8B%E5%BF%85%E8%A6%81%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%81%8B%3F%3C%2FP%3E%3CP%3E%3CSPAN%3E%E3%81%82%E3%82%8A%E3%81%8C%E3%81%A8%E3%81%86%EF%BC%81%20%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20240803184442.png%22%20style%3D%22width%3A%20999px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20240803184442.png%22%20style%3D%22width%3A%20999px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F291786i5927AC87EAC9B0E5%2Fimage-size%2Flarge%3Fv%3Dv2%26amp%3Bpx%3D999%22%20role%3D%22button%22%20title%3D%22%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20240803184442.png%22%20alt%3D%22%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20240803184442.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FSPAN%3E%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2087248%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3ERe%3A%20s32k312%20flexcan%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2087248%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%3CP%3E%E7%A7%81%E3%81%AF%E5%A4%9A%E3%81%8F%E3%81%AE%E3%83%87%E3%83%A2%E3%81%A7%E7%9B%B4%E6%8E%A5%E5%AE%A3%E8%A8%80%E3%81%97%E3%81%A6%E3%81%84%E3%82%8B%E3%81%AE%E3%82%92%E8%A6%8B%E3%81%A6%E3%81%8D%E3%81%BE%E3%81%97%E3%81%9F%3C%2FP%3E%3CP%3Eextern%20void%20CAN0_ORED_IRQHandler(void)%3B%3CBR%20%2F%3Eextern%20void%20CAN0_ORED_0_31_MB_IRQHandler(void)%3B%3CBR%20%2F%3Eextern%20void%20CAN0_ORED_32_63_MB_IRQHandler(void)%3B%3C%2FP%3E%3CP%3E%E3%83%9A%E3%83%AA%E3%83%95%E3%82%A7%E3%83%A9%E3%83%AB%E3%81%A7%E8%A8%AD%E5%AE%9A%E3%81%97%E3%81%9F%E5%BE%8C%E3%81%AB%E3%82%BD%E3%83%BC%E3%82%B9%E3%82%B3%E3%83%BC%E3%83%89%E3%82%92%E6%9B%B4%E6%96%B0%E3%81%99%E3%82%8B%E3%82%AA%E3%83%B3%E3%83%A9%E3%82%A4%E3%83%B3%E3%83%81%E3%83%A5%E3%83%BC%E3%83%88%E3%83%AA%E3%82%A2%E3%83%AB%E3%82%82%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82%E3%81%93%E3%81%AE2%E3%81%A4%E3%81%AE%E9%81%95%E3%81%84%E3%81%AF%E4%BD%95%E3%81%A7%E3%81%97%E3%82%87%E3%81%86%E3%81%8B%EF%BC%9F%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1925963%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3ERe%3A%20s32k312%20flexcan%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1925963%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%E3%81%AF%E3%81%84%E3%80%81%E3%81%82%E3%82%8A%E3%81%8C%E3%81%A8%E3%81%86%E3%81%94%E3%81%96%E3%81%84%E3%81%BE%E3%81%99%E3%80%82%E8%A7%A3%E6%B1%BA%E3%81%97%E3%81%BE%E3%81%97%E3%81%9F%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1925812%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3ERe%3A%20s32k312%20flexcan%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1925812%22%20slang%3D%22zh-CN%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%26nbsp%3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