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QMSS pdsp 产生中断问题



你好,请教以下问题:

QMSS pdsp轮询监视的队列,并将队列中的Descriptor填充到pdsp的listbuffer中,如果listbuffer的已满时就触发中断,这样理解对不?

如果是靠listbuffer已经满触发中断,那这个给buffer full的条件是哪个字段呢?从字面理解Max Page Entries字段应该是,但修改这个字段+1,然后多push 一个descriptor到监视队列,中断没有预期产生。还请帮忙解答,谢谢