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c6747_audio_edma_v4这个工程为什么mcasp0寄存器写不进去值?



如题,我运行程序,在配置mcasp时,寄存器写不进去命令字,但是我用其他工程先跑一遍(可以写进去值的),然后再运行c6747_audio_edma_v4这个工程,就可以正常配置mcasp了,很奇怪的问题啊,求解答~~~~

还有一个问题,这个工程里面的EVMC6747_init( );EVMC6747_wait( Uint32 delay );EVMC6747_waitusec( Uint32 usec );这些函数在哪里定义的呢?我只能在evmc6747.h里看到函数名啊