=> help iprobe
iprobe
    -discover valid I2C chip addresses

=> help icrc32
icrc32 chip address[.0, .1, .2] count
    - compute CRC32 checksum

=> help imw
imw chip address[.0, .1, .2] value [count]
    - memory write (fill)

=> help inm
inm chip address[.0, .1, .2]
    - memory modify, read and keep address

=> help imm
imm chip address[.0, .1, .2]
    - memory modify, auto increment address

=> help imd
imd chip address[.0, .1, .2] [# of objects]
    - i2c memory display

=> help iloop
iloop chip address[.0, .1, .2] [# of objects]
    - loop, reading a set of addresses

=>