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SYSLINK UPP收不到数据



最近做一个项目,我们用的omapl138芯片,arm与dsp通过syslink通讯,dsp通过upp接口读取fpga传过来的ad数据,然后通过syslink送给arm,我用dsp单独读取的时候,upp收到的数据完全正确,但加入syslink后,arm端收到的数据全为0,(upp采取重复配置的方法,不采用中断)