Provided by: libow-tcl_2.8p13+dfsg1-5build1_amd64 bug

NAME

       Owtcl - OWFS library access commands for Tcl

SYNOPSIS

       package require ow

       ow option ?arg ...?

       ::OW::init interface ?interface ...? ?arg ...?
       ::OW::finish
       ::OW::isconnect
       ::OW::get ?path? ?arg ...?
       ::OW::put path ?value?
       ::OW::isdirectory path
       ::OW::isdir path
       ::OW::exists path

DESCRIPTION

   1-Wire
       1-wire  is  a  wiring  protocol  and series of devices designed and manufactured by Dallas
       Semiconductor, Inc. The bus is a low-power low-speed low-connector scheme where  the  data
       line can also provide power.

       Each  device  is  uniquely  and  unalterably numbered during manufacture. There are a wide
       variety of devices, including memory, sensors (humidity,  temperature,  voltage,  contact,
       current),  switches,  timers  and  data  loggers.  More complex devices (like thermocouple
       sensors) can be built with these basic devices. There are also 1-wire  devices  that  have
       encryption included.

       The  1-wire  scheme uses a single bus master and multiple slaves on the same wire. The bus
       master initiates  all  communication.  The  slaves  can  be  individually  discovered  and
       addressed using their unique ID.

       Bus  masters  come in a variety of configurations including serial, parallel, i2c, network
       or USB adapters.

   OWFS design
       OWFS is a suite of programs that designed to make the 1-wire bus and  its  devices  easily
       accessible.  The underlying priciple is to create a virtual filesystem, with the unique ID
       being the directory, and the individual properties of the device are represented as simple
       files that can be read and written.

       Details of the individual slave or master design are hidden behind a consistent interface.
       The goal is to provide an easy set of tools for a software designer to  create  monitoring
       or  control  applications.  There are some performance enhancements in the implementation,
       including data caching,  parallel  access  to  bus  masters,  and  aggregation  of  device
       communication.  Still  the  fundemental  goal  has  been  ease  of  use,  flexibility  and
       correctness rather than speed.

   owtcl
       owtcl (3) is a Tcl extension that provides an interface to OWFS. The underlying  interface
       to  the  1-wire  bus is identical to owfs (1) (filesystem view) and owhttpd (1) web server
       interface. Only the top layer has been modified to return native Tcl data.

COMMANDS

       Performs one of several operations, depending on option.  The legal options (which may  be
       abbreviated) are:

       ow open arg ...
              Connect  to  1-wire adapter or owserver. arg ... defines a way of connection to the
              1-wire bus.
              The full set of initialization args is extensive. They correspond  roughly  to  the
              command line args of owfs (1) owhttpd (1) and owftpd (1)

       ow close
              Close connection to 1-wire bus or owserver.

       ow version ?-list?
              Return version of the owtcl and owlib/

       ow opened
              Return 1 if connected to 1-wire adapter or owserver, otherwise 0.

       ow error level value
              Set debug options. See owfs (5)

       ow error print value
              Set debug options. See owfs (5)

       ow get path ?-list?
              Returns  contents  of  OWFS  directory  as  the  list  if  path  contains name OWFS
              directory.  If path is name of OWFS file, returns of contents  of  this  file.  For
              files *.ALL returns a values list.

       ow put path value
              Puts value in OWFS file indicated in path. For files *.ALL use a value list.

       ow isdirectory path
              If path is the directory return 1. Otherwise return 0.

       ow isdir path
              Synonym of ow isdirectory

       ow set path
              Creates  a new ow-like command with root in the path.  A new command allows options
              get, put, isdirectory, isdir and set.

LOW-LEVEL COMMANDS

       The following low-level commands are possible:

       ::OW::init interface ?interface ...? ?arg ...?
              Connect to 1-wire adapter or owserver. interface and  arg  ...  defines  a  way  of
              connection to the 1-wire bus.
              The full set of initialization options is extensive. They correspond roughly to the
              command line options of ,B owfs (1) owhttpd (1) and owftpd (1)

       ::OW::finish
              Close connection to 1-wire bus or owserver.

       ::OW::isconnect
              Return 1 if connected to 1-wire adapter or owserver, otherwise 0.

       ::OW::get ?path? ?-list?
              Returns contents of  OWFS  directory  as  the  list  if  path  contains  name  OWFS
              directory.   If  path  is  name of OWFS file, returns of contents of this file. For
              files *.ALL returns a values list. If path is not defined, contents  of  root  OWFS
              directory come back.

       ::OW::put path ?value?
              Puts  value  in  OWFS  file indicated in path. For files *.ALL use a value list. If
              /fIvalue is not defined, puts a empty string.

       ::OW::isdirectory path
              If path is the directory - return 1. Otherwise return 0.

       ::OW::isdir path
              Synonym of ::OW::isdirectory

       ::OW::exists path
              If path is exists - return 1. Otherwise return 0.

EXAMPLE

              package require ow

              ow open -d /dev/ttyS0 -t 60

              set save_templow [ow get /28.86BF80000000/templow]
              ow put /28.86BF80000000/templow 10

              set room_sensor [ow set /28.86BF80000000]
              $room_sensor put temphigh 50

              set room_temp [$room_sensor set temperature]
              set current_temp [$room_temp get]

SEE ALSO

   Programs
       owfs (1) owhttpd (1) owftpd (1) owserver (1) owdir (1) owread (1)  owwrite  (1)  owpresent
       (1) owtap (1)

   Configuration and testing
       owfs (5) owtap (1) owmon (1)

   Language bindings
       owtcl (3) owperl (3) owcapi (3)

   Clocks
       DS1427 (3) DS1904(3) DS1994 (3) DS2404 (3) DS2404S (3) DS2415 (3) DS2417 (3)

   ID
       DS2401 (3) DS2411 (3) DS1990A (3)

   Memory
       DS1982  (3)  DS1985  (3) DS1986 (3) DS1991 (3) DS1992 (3) DS1993 (3) DS1995 (3) DS1996 (3)
       DS2430A (3) DS2431 (3) DS2433 (3) DS2502 (3) DS2506 (3) DS28E04 (3) DS28EC20 (3)

   Switches
       DS2405 (3) DS2406 (3) DS2408 (3) DS2409 (3) DS2413 (3) DS28EA00 (3)

   Temperature
       DS1822 (3) DS1825 (3) DS1820 (3) DS18B20 (3) DS18S20 (3) DS1920 (3) DS1921 (3) DS1821  (3)
       DS28EA00  (3)  DS28E04  (3)  EDS0064  (3)  EDS0065 (3) EDS0066 (3) EDS0067 (3) EDS0068 (3)
       EDS0071 (3) EDS0072 (3)

   Humidity
       DS1922 (3) DS2438 (3) EDS0065 (3) EDS0068 (3)

   Voltage
       DS2450 (3)

   Resistance
       DS2890 (3)

   Multifunction (current, voltage, temperature)
       DS2436 (3) DS2437 (3) DS2438 (3) DS2751 (3) DS2755 (3) DS2756 (3) DS2760  (3)  DS2770  (3)
       DS2780 (3) DS2781 (3) DS2788 (3) DS2784 (3)

   Counter
       DS2423 (3)

   LCD Screen
       LCD (3) DS2408 (3)

   Crypto
       DS1977 (3)

   Pressure
       DS2406 (3) -- TAI8570 EDS0066 (3) EDS0068 (3)

AVAILABILITY

       http://www.owfs.org

AUTHOR

       Serg Oskin (serg@oskin.ru)