NAME

i2ctrans - Do a write/read transaction for a device on the I²C Bus

SYNOPSIS

i2ctrans [OPTIONS] byte1 [byte2 ...]

DESCRIPTION

Perform a message request/response transaction with a device of the given address on the I²C Bus. The specified bytes are writen to the device. Then <count> bytes are read. The bytes read are printed to stdout in ASCII hex format.

RNR_OPTIONS

  -a, --address=<addr>        I2C device 7-bit address. REQUIRED.
  -c, --count=<count>         Read count bytes.
                                DEFAULT: 1
  -d, --device=<device>       I2C device.
                                DEFAULT: /dev/i2c/0
      --fd=<n>                Opened I2C device file descriptor.
  -v, --verbose               Set print verbosity.
                                DEFAULT: false
  RNR_OPTIONS                 Standard set of options provided by librnr.

DIAGNOSTICS

Exit status is 0 if the transaction was completed successfully. Exist status is >= 2 if error(s) are encountered.

SEE_ALSO

I2CCHECK(1), I2CREAD(1), I2CSCAN(1), I2CWRITE(1)

AUTHOR

Robin Knight (robin.nosp@m..kni.nosp@m.ght@r.nosp@m.oadn.nosp@m.arrow.nosp@m.s.co.nosp@m.m)