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from Appconfig import Appconfig
import re
import os
import xml.etree.cElementTree as ET
from PyQt4 import QtGui, QtCore
class AutoSchematic(QtGui.QWidget):
def __init__(self, modelname):
QtGui.QWidget.__init__(self)
self.modelname = modelname.split('.')[0]
self.template = Appconfig.kicad_lib_template.copy()
self.xml_loc = Appconfig.xml_loc
self.lib_loc = Appconfig.lib_loc
self.kicad_nghdl_lib = '/usr/share/kicad/library/eSim_Nghdl.lib'
self.parser = Appconfig.parser_nghdl
def createKicadLibrary(self):
xmlFound = None
for root, dirs, files in os.walk(self.xml_loc):
if (str(self.modelname) + '.xml') in files:
xmlFound = root
print(xmlFound)
if (xmlFound == None):
self.getPortInformation()
self.createXML()
self.createLib()
elif (xmlFound == self.xml_loc + '/Nghdl'):
print 'Library already exists...'
ret = QtGui.QMessageBox.warning(self, "Warning",'''<b>Library files for this model already exist. Do you want to overwrite it?</b><br/>
If yes press ok, else cancel it and change the name of your vhdl file.''', QtGui.QMessageBox.Ok, QtGui.QMessageBox.Cancel)
if ret == QtGui.QMessageBox.Ok:
print "Overwriting existing libraries"
self.getPortInformation()
self.createXML()
self.removeOldLibrary() #Removes the exisitng library
self.createLib()
else:
print "Exiting Nghdl"
quit()
else:
print 'Pre existing library...'
ret = QtGui.QMessageBox.critical(self, "Error",'''<b>A standard library already exists with this name.</b><br/>
<b>Please change the name of your vhdl file and upload it again</b>''', QtGui.QMessageBox.Ok)
# quit()
def getPortInformation(self):
portInformation = PortInfo(self)
portInformation.getPortInfo()
self.portInfo = portInformation.bit_list
self.input_length = portInformation.input_len
def createXML(self):
cwd = os.getcwd()
xmlDestination = os.path.join(self.xml_loc, 'Nghdl')
self.splitText = ""
for bit in self.portInfo[:-1]:
self.splitText += bit + "-V:"
self.splitText += self.portInfo[-1] + "-V"
print "changing directory to ", (xmlDestination)
os.chdir(xmlDestination)
root = ET.Element("model")
ET.SubElement(root, "name").text = self.modelname
ET.SubElement(root, "type").text = "Nghdl"
ET.SubElement(root, "node_number").text = str(len(self.portInfo))
ET.SubElement(root, "title").text = "Add parameters for " + str(self.modelname)
ET.SubElement(root, "split").text = self.splitText
param = ET.SubElement(root, "param")
ET.SubElement(param, "rise_delay", default = "1.0e-9").text = "Enter Rise Delay (default=1.0e-9)"
ET.SubElement(param ,"fall_delay", default ="1.0e-9").text = "Enter Fall Delay (default=1.0e-9)"
ET.SubElement(param ,"input_load", default ="1.0e-12").text = "Enter Input Load (default=1.0e-12)"
ET.SubElement(param ,"instance_id", default ="1").text = "Enter Instance ID (Between 0-99)"
tree = ET.ElementTree(root)
tree.write(str(self.modelname) + '.xml')
print "Leaving the directory ", (xmlDestination)
os.chdir(cwd)
#Calculates the maximum between input and output ports
def findBlockSize(self):
ind = self.input_length
return max(self.char_sum(self.portInfo[:ind]), self.char_sum(self.portInfo[ind:]))
def char_sum(self, ls):
return sum([int(x) for x in ls])
def removeOldLibrary(self):
cwd = os.getcwd()
os.chdir(self.lib_loc)
print "Changing directory to ", self.lib_loc
f = open(self.kicad_nghdl_lib)
lines = f.readlines()
f.close()
output = []
line_reading_flag = False
for line in lines:
if line.startswith("DEF"):
if line.split()[1] == self.modelname:
line_reading_flag = True
if not line_reading_flag:
output.append(line)
if line.startswith("ENDDEF"):
line_reading_flag = False
f = open(self.kicad_nghdl_lib, 'w')
for line in output:
f.write(line)
os.chdir(cwd)
print "Leaving directory, ", self.lib_loc
def createLib(self):
self.dist_port = 100 #distance between two ports
self.inc_size = 100 #Increment size of a block
cwd = os.getcwd()
os.chdir(self.lib_loc)
print "Changing directory to ", self.lib_loc
lib_file = open(self.kicad_nghdl_lib,"a")
line1 = self.template["start_def"]
line1 = line1.split()
line1 = [w.replace('comp_name', self.modelname) for w in line1]
self.template["start_def"] = ' '.join(line1)
if os.stat(self.kicad_nghdl_lib).st_size == 0:
lib_file.write("EESchema-LIBRARY Version 2.3"+ "\n\n")
#lib_file.write("#encoding utf-8"+ "\n"+ "#"+ "\n" + "#test_compo" + "\n"+ "#"+ "\n")
lib_file.write(self.template["start_def"]+ "\n"+self.template["U_field"]+"\n")
line3 = self.template["comp_name_field"]
line3 = line3.split()
line3 = [w.replace('comp_name', self.modelname) for w in line3]
self.template["comp_name_field"] = ' '.join(line3)
lib_file.write(self.template["comp_name_field"]+ "\n")
line4 = self.template["blank_field"]
line4_1 = line4[0]
line4_2 = line4[1]
line4_1 = line4_1.split()
line4_1 = [w.replace('blank_quotes','""') for w in line4_1]
line4_2 = line4_2.split()
line4_2 = [w.replace('blank_quotes','""') for w in line4_2]
line4[0] = ' '.join(line4_1)
line4[1] = ' '.join(line4_2)
self.template["blank_qoutes"] = line4
lib_file.write(line4[0]+"\n" + line4[1]+"\n"+ self.template["start_draw"]+ "\n")
draw_pos = self.template["draw_pos"]
draw_pos = draw_pos.split()
draw_pos[4] = str(int(draw_pos[4])- self.findBlockSize() * self.inc_size)
self.template["draw_pos"] = ' '.join(draw_pos)
lib_file.write(self.template["draw_pos"]+"\n")
input_port = self.template["input_port"]
input_port = input_port.split()
output_port = self.template["output_port"]
output_port = output_port.split()
inputs = self.portInfo[0: self.input_length]
outputs = self.portInfo[self.input_length:]
print "INPUTS AND OUTPUTS "
print inputs
print outputs
inputs = self.char_sum(inputs)
outputs= self.char_sum(outputs)
total = inputs+outputs
port_list = []
for i in xrange(total):
if (i < inputs):
input_port[1] = "in"+str(i+1)
input_port[2] = str(i+1)
input_port[4] = str(int(input_port[4])-self.dist_port)
input_list = ' '.join(input_port)
port_list.append(input_list)
else:
output_port[1] = "out"+str(i- inputs+1)
output_port[2] = str(i+1)
output_port[4] = str(int(output_port[4])-self.dist_port)
output_list = ' '.join(output_port)
port_list.append(output_list)
for ports in port_list:
lib_file.write(ports+"\n")
lib_file.write(self.template["end_draw"]+"\n"+ self.template["end_def"] + "\n\n\n")
os.chdir(cwd)
print 'Leaving directory, ', self.lib_loc
QtGui.QMessageBox.information(self, "Library added", '''Library details for this model is added to the <b>eSim_Nghdl.lib</b> in the KiCad shared directory''', QtGui.QMessageBox.Ok)
class PortInfo:
def __init__(self, model):
self.modelname = model.modelname
self.model_loc = model.parser.get('NGSPICE', 'DIGITAL_MODEL')
self.bit_list = []
self.input_len = 0
def getPortInfo(self):
info_loc = os.path.join(self.model_loc, self.modelname+'/DUTghdl/')
input_list = []
output_list = []
read_file=open(info_loc + 'connection_info.txt','r')
data=read_file.readlines()
read_file.close()
for line in data:
if re.match(r'^\s*$', line):
pass
else:
in_items=re.findall("IN",line,re.MULTILINE|re.IGNORECASE)
out_items=re.findall("OUT",line,re.MULTILINE|re.IGNORECASE)
if in_items:
input_list.append(line.split())
if out_items:
output_list.append(line.split())
for in_list in input_list:
self.bit_list.append(in_list[2])
self.input_len = len(self.bit_list)
for out_list in output_list:
self.bit_list.append(out_list[2])
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