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用dsp做过压、过流保护问题,欢迎讨论

大概思路是在AD采样时,在ADC中断中判断采样值是否大于最大值,若超过,则控制关闭pwm。 昨天导师和我说可以用cap模块来做,我觉得cap不就是捕获吗,怎么可以实现过流过压保护呢?