Other Parts Discussed in Thread: CDCE925
使用I2C调试工具i2c-tools直接写入寄存器,命令为:i2cset -f -y 2 0x6c 0x02 0xb4,无法写入,读取寄存器值为0x07
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您好,
命令为:i2cset -f -y 2 0x6c 0x02 0xb4,
我不熟悉 i2c-tools工具,这个命令的含义是 0x6c 是设备地址,将0xb4 写入寄存器0x02 是吗?
但是 CDCEL949的I2C接口协议应该与您使用的 i2c-tools中的协议不兼容,因为它分Byte操作和Block操作,由 CommandCode控制,如下截图所示: