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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

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

Availability

http://www.owfs.org

Author

Serg Oskin (serg@oskin.ru)

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