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#
# A tool for converting Pronto format hex codes to lircd.conf format. Version 1.11
#
# Version History:
# 1.11 - Made more resiliant against whitespace imperfections in input files
# 1.1 - Added support for CCFTools/CCFDecompiler XML files and multiple devices
# 1.0 - Initial release
#
# Copyright by Olavi Akerman <olavi.akerman@gmail.com>
#
# pronto2lirc 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
# MERCHANTABILITY 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import string
class CodeSequence: # Handles codesequences parsing and conversion
def ProcessPreamble(self,sPreamble):
if sPreamble[0]<>"0000":
raise "Formats other than starting with 0000 are not supported!"
self.dIRFrequency=1000000/(long(sPreamble[1],16) * 0.241246) # Frequency of the IR carrier in Khz
self.lOnceSequenceLength=long(sPreamble[2],16) # No of pulses that is sent once when button is pressed
self.lRepeatableSequenceLength=long(sPreamble[3],16) # No of pulses that are repeatable while button pressed
def CreatePulses(self,sItems):
self.dPulseWidths=[] # Table of Pulse widths. Length is repsented in microseconds
for i in sItems:
self.dPulseWidths.append(1000000*long(i,16)/self.dIRFrequency) # Convert pulse widths to uS
if len(self.dPulseWidths)<>2*(self.lOnceSequenceLength+self.lRepeatableSequenceLength):
raise "Number of actual codes does not match the header information!"
def AnalyzeCode(self,sCodeName,sHexCodes):
# sHexTable=sHexCodes.split()
s=string.join(sHexCodes.split(),'') # Remove whitespace formatting between sequences
sHexTable=[]
while s<>'': # Re-split into group of 4
sHexTable.append(s[:4])
s=s[4:]
self.sCodeName=sCodeName.rstrip() # Name of the Code associated with code sequence
self.ProcessPreamble(sHexTable[:4]) # First four sequences make up Preamble
self.CreatePulses(sHexTable[4:]) # The rest are OnceSequence + RepeatableSequence
return self.dPulseWidths[-1] # Final gap=last off signal length
def WriteCodeSection(self,fOut):
fOut.write('\n\t\t\tname '+self.sCodeName.strip().replace(' ','')+'\n') # Can't contain whitespace
for i in range(len(self.dPulseWidths)-1): # Do not write the last signal as lircd.conf
# does not contain last off signal length
if (i%6) ==0:
fOut.write('\t\t\t\t')
fOut.write('%d ' % round(self.dPulseWidths[i]))
if (i+1)%6 ==0: # Group codes as six per line
fOut.write('\n')
fOut.write('\n') # Final EOL
class Device: # Handles devices
def AddCodes(self,sCodeName,sHexCodes): # Add new code sequence
seq=CodeSequence()
finalgap=seq.AnalyzeCode(sCodeName,sHexCodes)
if finalgap>self.lGap:
self.lGap=finalgap
self.sCodes.append(seq)
def ProcessHEX(self,fHexFile,sLine): # Process HEX files
while sLine<>'' and sLine.strip()<>'': # EOF?
[sCodeName,sHexCodes]=sLine.split(':')
self.AddCodes(sCodeName,sHexCodes)
sLine=fHexFile.readline()
def WriteLIRCCConfDevice(self,f):
f.write('begin remote\n')
f.write('\tname\t'+self.sDeviceName.replace(' ','')+'\n')
f.write('\tflags\tRAW_CODES\n')
f.write('\teps\t30\n')
f.write('\taeps\t100\n')
f.write('\tgap\t%d\n' % self.lGap )
f.write('\t\tbegin raw_codes\n')
for i in self.sCodes:
i.WriteCodeSection(f)
f.write('\t\tend raw_codes\n')
f.write('end remote\n')
def __init__(self,sDeviceName):
self.sDeviceName=sDeviceName # Name of the device
self.sCodes=[] # Codes contained in file
self.lGap=0 # Final Gap
class RemoteFilesParser:
def ProcessXML(self,fXMLFile):
def start_element(name,attrs):
if name=="RAWCODE":
self.Devices[-1].AddCodes(attrs['name'],attrs['data'])
if name=="DEVICE":
self.Devices.append(Device(attrs['name']))
p = xml.parsers.expat.ParserCreate()
p.StartElementHandler = start_element
fXMLFile.seek(0) # Need to start from the beginning
p.ParseFile(fXMLFile)
def __init__(self,sFileName):
self.Devices=[]
f=open(sFileName,'r')
sLine=f.readline()
if sLine.strip()=='<?xml version="1.0"?>': # Are we dealing with CCF Decompiler XML file?
self.ProcessXML(f)
else:
device=Device(sFileName.split('.')[:1][0])
self.Devices.append(device)
device.ProcessHEX(f,sLine)
f.close()
def WriteLIRCConf(self,sOutFileName):
f=open(sOutFileName,'w')
for d in self.Devices:
d.WriteLIRCCConfDevice(f)
f.close()
# Main
import sys
import xml.parsers.expat
if len(sys.argv)<>2:
print "Pronto codes converter to lircd.conf format (version 1.11)"
print
print "Usage: pronto2lirc.py inputfile"
print
print "Inputfile can be:"
print " 1.An xml file output by CCFTools/CCFDecompiler."
print " 2.Text file where each line contains the name of the button and "
print " all codes associated with it"
print " Button1:0000 00ac 000b 00de ..."
print
print "Result: lircd.conf file is written to the current directory"
print " containing all the Pronto codes extracted from"
print " the input file"
print
else:
p=RemoteFilesParser(sys.argv[1])
p.WriteLIRCConf('lircd.conf')