现在在用S3C2440跟DM642利用HPI通信, 通信不成功,arm不能配置HPI的各寄存器,初始化后用DSP自己读HPIC 读数为0X56645664.这是怎么回事?
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现在在用S3C2440跟DM642利用HPI通信, 通信不成功,arm不能配置HPI的各寄存器,初始化后用DSP自己读HPIC 读数为0X56645664.这是怎么回事?