tree dbb5f4f15a0f0ab184ef7fdc2557613411465a0c
parent 0ecc71ccb22e3dcaba2a50adec1d2c1f72c373ea
author Anas Nashif <anas.nashif@intel.com> 1578665364 -0500
committer Carles Cufí <carles.cufi@nordicsemi.no> 1589125770 +0200

i2c_shell: Add write_byte/read_byte commands

Add simple commands to read or write a single byte from a device
register.

   i2c write_byte I2C_2 36 b0 12
   i2c read_byte I2C_2 36 0
   Output: 0x82

I modified Anas' version to put args in variables first so that the code
is self-documenting.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Simon Glass <sjg@chromium.org>