Update of /cvsroot/freevo/freevo/src/input/plugins
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16299
Added Files:
lirc.py
Log Message:
An input plugin for lirc: plugin.activate('input.lirc') - untested.
--- NEW FILE: lirc.py ---
# -*- coding: iso-8859-1 -*-
# -----------------------------------------------------------------------
# lirc.py - A lirc input plugin for Freevo.
# -----------------------------------------------------------------------
# $Id: lirc.py,v 1.1 2004/09/25 04:39:07 rshortt Exp $
#
# Notes:
# Todo:
#
# -----------------------------------------------------------------------
# $Log: lirc.py,v $
# Revision 1.1 2004/09/25 04:39:07 rshortt
# An input plugin for lirc: plugin.activate('input.lirc') - untested.
#
#
#
# -----------------------------------------------------------------------
# Freevo - A Home Theater PC framework
# Copyright (C) 2003 Krister Lagerstrom, et al.
# Please see the file freevo/Docs/CREDITS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ----------------------------------------------------------------------- */
import config
import eventhandler
import rc
rc = rc.get_singleton()
try:
import pylirc
except ImportError:
print 'WARNING: PyLirc not found, lirc remote control disabled!'
raise Exception
class PluginInterface(plugin.Plugin):
def __init__(self):
plugin.Plugin.__init__(self)
self.plugin_name = 'LIRC'
try:
if os.path.isfile(config.LIRCRC):
pylirc.init('freevo', config.LIRCRC)
pylirc.blocking(0)
else:
raise IOError
except RuntimeError:
print 'WARNING: Could not initialize PyLirc!'
raise Exception
except IOError:
print 'WARNING: %s not found!' % config.LIRCRC
raise Exception
self.nextcode = pylirc.nextcode
self.previous_returned_code = None
self.previous_code = None;
self.repeat_count = 0
self.firstkeystroke = 0.0
self.lastkeystroke = 0.0
self.lastkeycode = ''
self.default_keystroke_delay1 = config.LIRC_DELAY1
self.default_keystroke_delay2 = config.LIRC_DELAY2
rc.inputs.append(self)
def config(self):
return [('LIRCRC', '/etc/freevo/lircrc',
'Location of Freevo lircrc file.'),
('LIRC_DELAY1', 0.25, 'Repeat delay 1.'),
('LIRC_DELAY2', 0.25, 'Repeat delay 2.'),
]
def get_last_code(self):
"""
read the lirc interface
"""
result = None
if self.previous_code != None:
# Let's empty the buffer and return the most recent code
while 1:
list = self.nextcode();
if list != []:
break
else:
list = self.nextcode()
if list == []:
# It's a repeat, the flag is 0
list = self.previous_returned_code
result = list
elif list != None:
# It's a new code (i.e. IR key was released), the flag is 1
self.previous_returned_code = list
result = list
self.previous_code = result
return result
def poll(self):
"""
return next event
"""
list = self.get_last_code()
if list == None:
nowtime = 0.0
nowtime = time.time()
if (self.lastkeystroke + self.default_keystroke_delay2 < nowtime) and \
(self.firstkeystroke != 0.0):
self.firstkeystroke = 0.0
self.lastkeystroke = 0.0
self.repeat_count = 0
if list != None:
nowtime = time.time()
if list:
for code in list:
if ( self.lastkeycode != code ):
self.lastkeycode = code
self.lastkeystroke = nowtime
self.firstkeystroke = nowtime
if self.firstkeystroke == 0.0 :
self.firstkeystroke = time.time()
else:
if (self.firstkeystroke + self.default_keystroke_delay1 > nowtime):
list = []
else:
if (self.lastkeystroke + self.default_keystroke_delay2 < nowtime):
self.firstkeystroke = nowtime
self.lastkeystroke = nowtime
self.repeat_count += 1
for code in list:
eventhandler.post_key(code)
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