i2cdetecti2cdumpi2cgeti2cset使用方法 1.打印使用说明 i2cdetect–help rk3568_r:/#i2cdetect--helpusage:i2cdetect[-ary]BUS[FIRSTLAST]usage:i2cdetect-FBUSusage:i2cdetect-lDetecti2cdevices.-a Alladdresses(0x00-0x7frathert

用i2cdetect检测有几组i2c总线在系统上，输入：./i2cdetect-l用i2cdetect检测挂载在i2c总线上器件，输入./i2cdetect-r-y0我们可以看到有0x50，0x51，0x56三个地址可以用用i2cdump查看器件所有寄存器的值，这个很有用，输入./i2cdump-f-y00x56用i2cget读取单个寄存器值用i2cs