楼主，我的海尔摄像机坏了，我用串口通信发现
will read ps5270 ,the id is : 0x0
i2c i2c-0: I2C TX data 0x60 timeout!
Fail to finish Ii2c i2c-0: NAK!
2C transaction, error =-1
i2c i2c-0: I2C TX data 0x60 timeout!
Fail to finish Ii2c i2c-0: NAK!
2C transaction, error =-1
请问是主芯片坏了，还是i2c从芯片坏了，还是固件有文件