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我通过在Linux上使用i2ctool工具调试i2c接口，突然一下，能检测到0x1a的i2c地址，但在i2cdump命令查看寄存器地址内容时，dlp4500开始闪烁红灯，紧接着就不能对其进行读写操作，显示read failed和write failed
