TI的专家们好:
有一个小小的疑问,在6678中的CPU中断(4-15),能被抢占吗?假设场景:我注册了一个CPU INTERRUPT VECTOR为4的按键中断,再注册一个为5的upp收发中断,还有一个为6的srio的收发中断。在我进行upp收发的时候,按键和SRIO收发同时触发(注意是同时)。
问题1:upp收发会被打断吗?
问题2:如果upp先完成了收发?接下来会触发哪个中断呢?按键还是srio?
感恩
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
请参考CPU user guide
6.6.2 Nested Interrupts
https://www.ti.com/lit/ug/sprugh7/sprugh7.pdf