twsi man page on Plan9
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TWSI(3)								       TWSI(3)

NAME
       twsi  -	two-wire  serial interface (TWSI) and inter-integrated circuit
       (IC) interface

SYNOPSIS
       bind -a	 /dev
       /dev/twsi*

DESCRIPTION
       The twsi device serves a one-level directory containing	one  file  per
       TWSI  or	 IC  bus.   Bytes  written  are transmitted on the bus; bytes
       received from the bus are queued and delivered by reading.  Seeking  to
       a  given offset before reading or writing causes the twsi device to use
       that offset as a TWSI slave address for a subsequent read(2)  or	 write
       call.

FILES
       /twsi*

SOURCE
       /sys/src/9/*/devtwsi.c

BUGS
       10-bit addressed devices are not supported.

       No slave mode.

       Setting the bus rate is not supported.

								       TWSI(3)
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