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|
import sys
import os
from xml.etree import ElementTree as ET
class PrcocessNetlist:
"""
- This class include all the function required for pre-proccessing of
netlist before converting to Ngspice Netlist.
"""
init_path = '../../'
if os.name == 'nt':
init_path = ''
modelxmlDIR = init_path + 'library/modelParamXML'
def __init__(self):
pass
def readNetlist(self, filename):
"""
- Read the circuit file and return splitted lines
"""
f = open(filename)
data = f.read()
f.close()
# print("=============================================================")
# print("readNetList called, from Processing")
# print("=============================================================")
# print("NETLIST", data.splitlines())
# print("=============================================================")
return data.splitlines()
def readParamInfo(self, kicadNetlist):
"""
- Read Parameter information and store it into dictionary
- kicadNetlist is the .cir file content
"""
param = {}
# print("=========================KICADNETLIST========================")
for eachline in kicadNetlist:
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]
# print("=============================================================")
# print("readParamInfo called, from Processing")
# print("=============================================================")
# print("PARAM", param)
# print("=============================================================")
return param
def preprocessNetlist(self, kicadNetlist, param):
"""
- Preprocess netlist (replace parameters)
- Separate infoline (first line) from the rest of netlist
"""
netlist = []
for eachline in kicadNetlist:
# 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 = 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])
"""print("=============================================================")
print("preprocessNetList called, from Processing")
print("=============================================================")
print("NETLIST", netlist)
print("INFOLINE", infoline)
print("===========================================================")"""
return netlist, infoline
def separateNetlistInfo(self, netlist):
"""
- Remove the options such as .end, .param, starting wtih "."
from the netlist file
- This is stored as option info, whereas rest is stored as
schematicInfo
- Rest from the `* Sheet Name:` line stored as schematicInfo
"""
optionInfo = []
schematicInfo = []
for eachline in netlist:
if eachline[0] == '*':
continue
elif eachline[0] == '.':
optionInfo.append(eachline)
else:
schematicInfo.append(eachline)
"""print("=============================================================")
print("separateNetlistInfo called, from Processing")
print("=============================================================")
print("OPTIONINFO", optionInfo)
print("SCHEMATICINFO", schematicInfo)
print("===========================================================")"""
return optionInfo, schematicInfo
def insertSpecialSourceParam(self, schematicInfo, sourcelist):
"""
- Insert Special source parameter
- As per the parameters passed create source list, start with v or i
- Then check for type whether ac, dc, sine, etc...
- Handle starting with h and f as well
"""
schematicInfo1 = []
# print("=============================================================")
# print("Reading schematic info for source details")
# print("=============================================================")
for compline in schematicInfo:
words = compline.split()
compName = words[0]
# Ask for parameters of source
if compName[0] == 'v' or compName[0] == '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): '
p_a = ' Enter Phase Shift: '
sourcelist.append(
[index, compline, words[3], Title, v_a, p_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("Source List : ", sourcelist)
"""print("=============================================================")
print("insertSpecialSourceParam called, from Processing")
print("=============================================================")
print("SCHEMATICINFO", schematicInfo)
print("SOURCELIST", sourcelist)
print("===========================================================")"""
return schematicInfo, sourcelist
def convertICintoBasicBlocks(
self, schematicInfo, outputOption, modelList, plotText):
"""
- Parses the schematicInfo and returns
- - SchematicInfo
- - Output Option
- - Model List
- - Unkown Model List
- - Multiple Model List
- - Plot text
- Parsing info is provided below
"""
# print("=============================================================")
# print("Reading Schematic info for Model")
# Insert details of Ngspice model
unknownModelList = []
multipleModelList = []
plotList = [
'plot_v1',
'plot_v2',
'plot_i2',
'plot_log',
'plot_db',
'plot_phase']
interMediateNodeCount = 1
k = 1
for compline in schematicInfo:
words = compline.split()
compName = words[0]
# print "Compline----------------->",compline
# print "compName-------------->",compName
# Find the IC from schematic
if compName[0] == 'u' or compName[0] == 'U':
# Find the component from the circuit
index = schematicInfo.index(compline)
compType = words[len(words) - 1]
schematicInfo.remove(compline)
paramDict = {}
# e.g compLine : u1 1 2 gain
# compType : gain
# compName : u1
# print "Compline",compline
# print "CompType",compType
# print "Words",words
# print "compName",compName
# Looking if model file is present
if compType != "port" and compType != "ic" and \
compType not in plotList and \
compType != 'transfo':
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:
# print("==========================================\
# ===========================")
print(
"Start Parsing Previous Values XML\
for ngspice model :", modelPath)
tree = ET.parse(modelPath[0])
# Getting number of nodes for model and title
for child in tree.iter():
if child.tag == 'node_number':
num_of_nodes = int(child.text)
elif child.tag == 'title':
title = child.text + " " + compName
elif child.tag == 'name':
modelname = child.text
elif child.tag == 'type':
# Checking for Analog and Digital
type = child.text
elif child.tag == 'split':
splitDetail = child.text
for param in tree.findall('param'):
for item in param:
# print "Tags ",item.tag
# print "Value",item.text
if 'vector' in item.attrib:
# print "Tag having vector attribute",\
# item.tag,item.attrib['vector']
temp_count = 1
temp_list = []
for i in range(0, int(
item.attrib['vector'])):
temp_list.append(
item.text + " " + str(
temp_count))
temp_count += 1
if 'default' in item.attrib:
paramDict[item.tag + ":" +
item.attrib['default']] \
= temp_list
else:
paramDict[item.tag] = item.text
else:
if 'default' in item.attrib:
paramDict[item.tag + ":" +
item.attrib['default']]\
= item.text
else:
paramDict[item.tag] = item.text
# print "Number of Nodes : ",num_of_nodes
# print "Title : ",title
# print "Parameters",paramDict
# Creating line for adding model line in schematic
if splitDetail == 'None':
modelLine = "a" + str(k) + " "
for i in range(1, num_of_nodes + 1):
modelLine += words[i] + " "
modelLine += compName
else:
# print("=====================================\
# ================================")
# print("Split Details :", splitDetail)
modelLine = "a" + str(k) + " "
vectorDetail = splitDetail.split(':')
# print "Vector Details",vectorDetail
pos = 1 # Node position
for item in vectorDetail:
try:
if item.split("-")[1] == 'V':
# print "Vector"
if compType == "aswitch":
modelLine += "("
for i in range(0, int(
item.split("-")[0])):
modelLine += words[pos] +\
" "
pos += 1
modelLine += ") "
else:
modelLine += "["
for i in range(0, int(
item.split("-")[0])):
modelLine += words[pos] + \
" "
pos += 1
modelLine += "] "
elif item.split("-")[1] == 'NV':
# print "Non Vector"
for i in range(0, int(
item.split("-")[0])):
modelLine += words[pos] + " "
pos += 1
except BaseException:
print(
"There is error while processing\
Vector Details")
sys.exit(2)
modelLine += compName
# print "Final Model Line :",modelLine
try:
schematicInfo.append(modelLine)
k = k + 1
except Exception as e:
print(
"Error while appending \
ModelLine ", modelLine)
print("Exception Message : ", str(e))
# Insert comment at remove line
schematicInfo.insert(index, "* " + compline)
comment = "* Schematic Name:\
" + compType + ", Ngspice Name: " + modelname
# Here instead of adding compType(use for XML),
# added modelName(Unique Model Name)
modelList.append(
[index, compline, modelname, compName,
comment, title, type, paramDict])
except Exception as e:
print(
"Unable to parse the model, \
Please check your your XML file")
print("Exception Message : ", str(e))
sys.exit(2)
elif compType == "ic":
schematicInfo.insert(index, "* " + compline)
modelname = "ic"
comment = "* " + compline
title = "Initial Condition for " + compName
type = "NA" # Its is not model
text = "Enter initial voltage at node for " + compline
paramDict[title] = text
modelList.append(
[index, compline, modelname, compName,
comment, title, type, paramDict])
elif compType in plotList:
schematicInfo.insert(index, "* " + compline)
if compType == 'plot_v1':
words = compline.split()
plotText.append("plot v(" + words[1] + ")")
elif compType == 'plot_v2':
words = compline.split()
plotText.append(
"plot v(" + words[1] + "," + words[2] + ")")
elif compType == 'plot_i2':
words = compline.split()
# Adding zero voltage source to netlist
schematicInfo.append(
"v_" + words[0] + " " +
words[1] + " " + words[2] + " " + "0")
plotText.append("plot i(v_" + words[0] + ")")
elif compType == 'plot_log':
words = compline.split()
plotText.append("plot log(" + words[1] + ")")
elif compType == 'plot_db':
words = compline.split()
plotText.append("plot db(" + words[1] + ")")
elif compType == 'plot_phase':
words = compline.split()
plotText.append("plot phase(" + words[1] + ")")
elif compType == 'transfo':
schematicInfo.insert(index, "* " + compline)
# For Primary Couple
modelLine = (
"a" + str(k) + " (" + words[1] + " " +
words[2] + ") (interNode_" +
str(interMediateNodeCount) + " " + words[3] + ") "
)
modelLine += compName + "_primary"
schematicInfo.append(modelLine)
k = k + 1
# For iron core
modelLine = "a" + str(k) + " (" + words[4] + " " + \
words[2] + ") (interNode_" + \
str(interMediateNodeCount + 1) + " " + words[3] + ") "
modelLine += compName + "_secondary"
schematicInfo.append(modelLine)
k = k + 1
# For Secondary Couple
modelLine = "a" + str(k) + " (interNode_" + str(
interMediateNodeCount) + " interNode_" + \
str(interMediateNodeCount + 1) + ") "
modelLine += compName + "_iron_core"
schematicInfo.append(modelLine)
k = k + 1
interMediateNodeCount += 2
modelname = "transfo"
comment = "* " + compline
title = "Transformer details for model " + compName
type = "NA"
# It is model but do not load from xml and lib file
paramDict['h1_array'] = "Enter the H1 array "
paramDict['primary_turns'] = "Enter the primary number \
of turns (default=310) "
paramDict['area'] = "Enter iron core area (default=1)"
paramDict['secondar_turns'] = "Enter the secondary number\
of turns (default=620)"
paramDict['length'] = "Enter iron core length \
(default=0.01)"
paramDict['b1_array'] = "Enter the B1 array "
modelList.append(
[index, compline, modelname, compName,
comment, title, type, paramDict])
else:
schematicInfo.insert(index, "* " + compline)
# print("=====================================================")
print(
"UnknownModelList Used in the Schematic",
unknownModelList)
print("=====================================================")
print(
"Multiple Model XML file with same name ",
multipleModelList)
print("=====================================================")
# print("Model List Details : ", modelList)
print("=============================================================")
print("convertICIntoBasicBlocks called, from Processing")
print("=============================================================")
print("SCHEMATICINFO", schematicInfo)
print("OUTPUTOPTION", outputOption)
print("MODELLIST", modelList)
print("UNKOWNMODELLIST", unknownModelList)
print("MULTIPLEMODELLIST", multipleModelList)
print("PLOTTEST", plotText)
print("=============================================================")
return (
schematicInfo, outputOption, modelList, unknownModelList,
multipleModelList, plotText
)
|
