S32K118触发外部中断后，I2C读取寄存器值异常

[JiShufan9]

大家好，想请教个问题：使用S32K118做开发是，在触发外部中断后，使用I2C读取寄存器值，I2C_Clock信号异常，Clock一直为Low，如下图：

我触发中断后调用的函数如下：

大佬们帮忙看下这是为什么？我应该怎么去修改？

谢谢！

[Robin_Shen · Accepted solution]

Hi

不建议在中断服务函数里调用这些API。建议在ISR里仅给出标志，然后在状态机或者主循环里根据标志来启动I2C传输。

Best Regards,
Robin
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[JiShufan9]

感谢解答，问题已得到解决