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关于多任务处理的问题?



我用DSP6713BIOS做多任务处理,一个硬中断,一个软中断,一个任务,任务优先级最低,作为背景程序,奇怪的是每次只有在程序刚开始运行时执行,后来就不执行了,只在某一句话中执行?还有一个问题,我用一次硬中断触发一次软中断可以,改为两次硬中断触发一次软中就不行了,程序老是跑飞,或者总是遇到断点?