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import sys
import os
from xml.etree import ElementTree as ET
class PrcocessNetlist:
modelxmlDIR = '../modelParamXML'
def __init__(self):
pass
def readNetlist(self,filename):
f = open(filename)
data=f.read()
f.close()
return data.splitlines()
def readParamInfo(self,kicadNetlis):
"""Read Parameter information and store it into dictionary"""
param={}
for eachline in kicadNetlis:
print eachline
eachline=eachline.strip()
if len(eachline)>1:
words=eachline.split()
option=words[0].lower()
if option=='.param':
for i in range(1, len(words), 1):
paramList=words[i].split('=')
param[paramList[0]]=paramList[1]
return param
def preprocessNetlist(self,kicadNetlis,param):
"""Preprocess netlist (replace parameters)"""
netlist=[]
for eachline in kicadNetlis:
# Remove leading and trailing blanks spaces from line
eachline=eachline.strip()
# Remove special character $
eachline=eachline.replace('$','')
# Replace parameter with values
for subParam in eachline.split():
if '}' in subParam:
key=subParam.split()[0]
key=key.strip('{')
key=key.strip('}')
if key in param:
eachline=eachline.replace('{'+key+'}',param[key])
else:
print "Parameter " + key +" does not exists"
value=raw_input('Enter parameter value: ')
eachline=eachline.replace('{'+key+'}',value)
#Convert netlist into lower case letter
eachline=eachline.lower()
# Construct netlist
if len(eachline)>1:
if eachline[0]=='+':
netlist.append(netlist.pop()+eachline.replace('+',' '))
else:
netlist.append(eachline)
#Copy information line
infoline=netlist[0]
netlist.remove(netlist[0])
return netlist,infoline
def separateNetlistInfo(self,netlist):
optionInfo=[]
schematicInfo=[]
for eachline in netlist:
if eachline[0]=='*':
continue
elif eachline[0]=='.':
optionInfo.append(eachline)
else:
schematicInfo.append(eachline)
return optionInfo,schematicInfo
def getModelSubcktList(self,schematicInfo,modelList,subcktList):
#Processing Netlist for modellist and subcktlist details
for eachline in schematicInfo:
words = eachline.split()
if eachline[0]=='d':
modelName=words[3]
if modelName in modelList:
continue
else:
modelList.append(modelName)
elif eachline[0]=='q':
modelName=words[4]
index=schematicInfo.index(eachline)
schematicInfo.remove(eachline)
schematicInfo.insert(index,words[0]+" "+words[3]+" "+words[2]+" "+words[1]+" "+words[4])
if modelName in modelList:
continue
else:
modelList.append(modelName)
elif eachline[0]=='m':
modelName=words[4]
index=schematicInfo.index(eachline)
schematicInfo.remove(eachline)
'''
width=raw_input(' Enter width of mosfet '+words[0]+'(default=100u):')
length=raw_input(' Enter length of mosfet '+words[0]+'(default=100u):')
multiplicative_factor=raw_input(' Enter multiplicative factor of mosfet '+words[0]+'(default=1):')
if width=="": width="100u"
if multiplicative_factor=="": multiplicative_factor="100u"
if length=="": length="100u"
schematicInfo.insert(index,words[0]+" "+words[1]+" "+words[2]+" "+words[3]+" "+words[3]+" "+words[4]+" "+'M='+multiplicative_factor+" "+'L='+length+" "+'W='+width)
'''
schematicInfo.insert(index,words[0]+" "+words[1]+" "+words[2]+" "+words[3]+" "+words[3]+" "+words[4])
if modelName in modelList:
continue
modelList.append(modelName)
elif eachline[0]=='j':
modelName=words[4]
index=schematicInfo.index(eachline)
schematicInfo.remove(eachline)
schematicInfo.insert(index,words[0]+" "+words[1]+" "+words[2]+" "+words[3]+" "+words[4])
if modelName in modelList:
continue
else:
modelList.append(modelName)
elif eachline[0]=='x':
subcktName=words[len(words)-1]
if subcktName in subcktList:
continue
else:
subcktList.append(subcktName)
return modelList,subcktList
def insertSpecialSourceParam(self,schematicInfo,sourcelist):
#Inser Special source parameter
schematicInfo1=[]
for compline in schematicInfo:
words=compline.split()
compName=words[0]
# Ask for parameters of source
if compName[0]=='v' or compName=='i':
# Find the index component from circuit
index=schematicInfo.index(compline)
if words[3]=="pulse":
Title="Add parameters for pulse source "+compName
v1=' Enter initial value(Volts/Amps): '
v2=' Enter pulsed value(Volts/Amps): '
td=' Enter delay time (seconds): '
tr=' Enter rise time (seconds): '
tf=' Enter fall time (seconds): '
pw=' Enter pulse width (seconds): '
tp=' Enter period (seconds): '
sourcelist.append([index,compline,words[3],Title,v1,v2,td,tr,tf,pw,tp])
elif words[3]=="sine":
Title="Add parameters for sine source "+compName
vo=' Enter offset value (Volts/Amps): '
va=' Enter amplitude (Volts/Amps): '
freq=' Enter frequency (Hz): '
td=' Enter delay time (seconds): '
theta=' Enter damping factor (1/seconds): '
sourcelist.append([index,compline,words[3],Title,vo,va,freq,td,theta])
elif words[3]=="pwl":
Title="Add parameters for pwl source "+compName
t_v=' Enter in pwl format without bracket i.e t1 v1 t2 v2.... '
sourcelist.append([index,compline,words[3],Title,t_v])
elif words[3]=="ac":
Title="Add parameters for ac source "+compName
v_a=' Enter amplitude (Volts/Amps): '
sourcelist.append([index,compline,words[3],Title,v_a])
elif words[3]=="exp":
Title="Add parameters for exponential source "+compName
v1=' Enter initial value(Volts/Amps): '
v2=' Enter pulsed value(Volts/Amps): '
td1=' Enter rise delay time (seconds): '
tau1=' Enter rise time constant (seconds): '
td2=' Enter fall time (seconds): '
tau2=' Enter fall time constant (seconds): '
sourcelist.append([index,compline,words[3],Title,v1,v2,td1,tau1,td2,tau2])
elif words[3]=="dc":
Title="Add parameters for DC source "+compName
v1=' Enter value(Volts/Amps): '
v2=' Enter zero frequency: '
sourcelist.append([index,compline,words[3],Title,v1,v2])
elif compName[0]=='h' or compName[0]=='f':
# Find the index component from the circuit
index=schematicInfo.index(compline)
schematicInfo.remove(compline)
schematicInfo.insert(index,"* "+compName)
schematicInfo1.append("V"+compName+" "+words[3]+" "+words[4]+" 0")
schematicInfo1.append(compName+" "+words[1]+" "+words[2]+" "+"V"+compName+" "+words[5])
schematicInfo=schematicInfo+schematicInfo1
#print sourcelist
#print schematicInfo
return schematicInfo,sourcelist
def convertICintoBasicBlocks(self,schematicInfo,outputOption,modelList):
#Insert details of Ngspice model
unknownModelList = []
multipleModelList = []
k = 1
for compline in schematicInfo:
words = compline.split()
compName = words[0]
# Find the IC from schematic
if compName[0]=='u':
# Find the component from the circuit
index=schematicInfo.index(compline)
compType=words[len(words)-1];
schematicInfo.remove(compline)
print "Compline",compline
print "CompType",compType
print "Words",words
print "compName",compName
#Looking if model file is present
xmlfile = compType+".xml" #XML Model File
count = 0 #Check if model of same name is present
modelPath = []
all_dir = [x[0] for x in os.walk(PrcocessNetlist.modelxmlDIR)]
for each_dir in all_dir:
all_file = os.listdir(each_dir)
if xmlfile in all_file:
count += 1
modelPath.append(os.path.join(each_dir,xmlfile))
if count > 1:
multipleModelList.append(modelPath)
elif count == 0:
unknownModelList.append(compType)
elif count == 1:
try:
tree = ET.parse(modelPath[0])
#root = parsemodel.getroot()
for child in tree.iter():
print "Child Item",child
#print "Tag",child.tag
#print "Tag Value",child.text
except:
print "Unable to parse the model, Please check your your xml file"
sys.exit(2)
#print "Count",count
#print "UnknownModelList",unknownModelList
#print "MultipleModelList",multipleModelList
'''
if compType=="gain":
schematicInfo.append("a"+str(k)+" "+words[1]+" "+words[2]+" "+compName)
k=k+1
#Insert comment at remove line
schematicInfo.insert(index,"* "+compline)
print "-----------------------------------------------------------\n"
print "Adding Gain"
Comment='* Gain '+compType
Title='Add parameters for Gain '+compName
in_offset=' Enter offset for input (default=0.0): '
gain=' Enter gain (default=1.0): '
out_offset=' Enter offset for output (default=0.0): '
print "-----------------------------------------------------------"
modelList.append([index,compline,compType,compName,Comment,Title,in_offset,gain,out_offset])
elif compType=="summer":
schematicInfo.append("a"+str(k)+" ["+words[1]+" "+words[2]+"] "+words[3]+" "+compName)
k=k+1
#Insert comment at remove line
schematicInfo.insert(index,"* "+compline)
print "-----------------------------------------------------------\n"
print "Adding summer"
Comment='* Summer '+compType
Title='Add parameters for Summer '+compName
in1_offset=' Enter offset for input 1 (default=0.0): '
in2_offset=' Enter offset for input 2 (default=0.0): '
in1_gain=' Enter gain for input 1 (default=1.0): '
in2_gain=' Enter gain for input 2 (default=1.0): '
out_gain=' Enter gain for output (default=1.0): '
out_offset=' Enter offset for output (default=0.0): '
print "-----------------------------------------------------------"
modelList.append([index,compline,compType,compName,Comment,Title,in1_offset,in2_offset,in1_gain,in2_gain,out_gain,out_offset])
'''
return schematicInfo,outputOption,modelList,unknownModelList,multipleModelList
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