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Circuit Viewer.py
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Circuit Viewer.py
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"""This is the circuit viewer module."""
import pygame
import Buttons
import copy
import enum
# import sys
import struct
# import ctypes
import numpy as np
import matplotlib.pyplot as plt
from pygame.locals import *
import eztext
import time
import Analyze
import importlib
eventType = enum.Enum("eventType", "Quit Mouse_Motion Key_Down Mouse_Up")
def snapToGrid(x, y, gridspace):
"""Snap cursor to grid."""
if (x % gridspace < gridspace / 2):
x = x - (x % gridspace)
else:
x = (x + gridspace) - (x % gridspace)
if (y % gridspace < gridspace / 2):
y = y - (y % gridspace)
else:
y = (y + gridspace) - (y % gridspace)
return x, y
def flatten(listOfLists):
"""Flatten one level of nesting."""
z = [x for sublist in listOfLists for x in sublist]
return z
def flattenml(listOfLists):
"""Flatten multiple levels of nesting."""
listOfLists2 = copy.deepcopy(listOfLists)
while not(type(listOfLists2[0]) == int):
listOfLists3 = flatten(listOfLists2)
listOfLists2 = copy.deepcopy(listOfLists3)
return listOfLists2
def getComponentValue(componentValue):
"""Convert component value suffix to floatinv value."""
if(componentValue.lower().endswith('k')):
val = complex(componentValue[:-1]) * 1000
elif(componentValue.lower().endswith('meg')):
val = complex(componentValue[:-3]) * 1000000
elif(componentValue.lower().endswith('g')):
val = complex(componentValue[:-1]) * 1000000000
elif(componentValue.lower().endswith('t')):
val = complex(componentValue[:-1]) * 1000000000000
elif(componentValue.lower().endswith('m')):
val = complex(componentValue[:-1]) / 1000
elif(componentValue.lower().endswith('u')):
val = complex(componentValue[:-1]) / 1000000
elif(componentValue.lower().endswith('n')):
val = complex(componentValue[:-1]) / 1000000000
elif(componentValue.lower().endswith('p')):
val = complex(componentValue[:-1]) / 1000000000000
elif(componentValue.lower().endswith('f')):
val = complex(componentValue[:-1]) / 1000000000000000
else:
val = complex(componentValue)
return val
global font
pygame.font.init()
font = pygame.font.SysFont(None, 25)
def writeonscreen(text, color, pos):
screentext = font.render(text, True, color)
gameDisplay.blit(screentext, pos)
def Writeonstatusbar(text):
writeonscreen(text,(0,0,0),[0,Windowsize[1]-20])
pass
# create Buttons
buttonnamelist = ["Resistor", "Capacitor", "Inductor", "Diode", "Voltage source", "Current source", "Ground", "conductance", "OPAMP"]
buttonlist = []
# for b in buttonnamelist:
# button = Buttons.Button()
# buttonlist.append(button)
resistorButton = Buttons.Button()
capacitorButton = Buttons.Button()
inductorButton = Buttons.Button()
diodeButton = Buttons.Button()
vsourceButton = Buttons.Button()
csourceButton = Buttons.Button()
gndButton = Buttons.Button()
conductanceButton = Buttons.Button()
opampButton = Buttons.Button()
rotateButton = Buttons.Button()
saveButton = Buttons.Button()
netlistButton = Buttons.Button()
ACButton = Buttons.Button()
DCButton = Buttons.Button()
sweepButton = Buttons.Button()
changetitleButton = Buttons.Button()
deleteButton = Buttons.Button()
graphButton = Buttons.Button()
newButton = Buttons.Button()
startsimButton = Buttons.Button()
def initalize():
"""Initialize SDL and other stuff."""
#some global var
global gameDisplay
global clock
global gridspace
global linethickness
global lineColor
global backgroundColor
global compdict
global typedict
global currentComponent
global Windowsize
global status
# load component icons
resistoricon = pygame.image.load('Resources/res.png')
resistoricon = pygame.transform.rotate(resistoricon, 90)
capacitoricon = pygame.image.load('Resources/Capacitor_Symbol.png')
capacitoricon = pygame.transform.rotate(capacitoricon, 90)
diodeicon = pygame.image.load('Resources/Diode_symbol.png')
diodeicon = pygame.transform.rotate(diodeicon, 90)
inductoricon = pygame.image.load('Resources/Inductor.png')
inductoricon = pygame.transform.rotate(inductoricon, 90)
vsourceicon = pygame.image.load('Resources/Voltage_source.png')
csourceicon = pygame.image.load('Resources/Current_source.png')
gndicon = pygame.image.load('Resources/GND.png')
opampicon = pygame.image.load('Resources/Op-amp_symbol.png')
opampicon = pygame.transform.rotate(opampicon, 90)
print (resistoricon.get_rect().size[1]) # you can get size
# , draw coordinates,width and length,start and end point in grid coordinates, color , type
# compdict = {"R":[0,-25,-5,50,10,1,0,-1,0,(255,150,60),"R"],"C":[0,-25,-8,50,16,1,0,-1,0,(200,150,200),"C"]
# ,"V":[0,-25,-10,50,20,1,0,-1,0,(255,0,0),"V"],"G":[0,-25,-10,50,20,1,0,1,0,(0,0,0),"G"]}
# initialize Display
Windowsize = (1000,720)
pygame.init()
clock = pygame.time.Clock()
gameDisplay = pygame.display.set_mode(Windowsize)
pygame.display.set_caption("cool circuit simulator 2000 😎 Now showing : " + title)
# create component dictionary
compdict = {0:None, 1:resistoricon, 2:capacitoricon, 3:inductoricon, 4:diodeicon, 5:vsourceicon, 6:csourceicon, 7:gndicon, 8:resistoricon, 9:opampicon}
typedict = {1 : 'R', 2 : 'C', 3 : 'L', 4 : 'D', 5 : 'V', 6 : 'I', 7 : 'G', 8 : 'g', 9 : 'O'}
gridspace = 25
linethickness = 3
lineColor = (0, 255, 255)
backgroundColor = (150, 150, 150)
status ="Good"
# res =pygame.image.load(fileobj, namehint="")
def render():
"""Render the scene."""
global currentComponent
global componentOrientationRender
global status
gameDisplay.fill(backgroundColor)
#write node names on statusbar when hovering on them
for c in components:
if c[0] == 0:
if detectCollision(c, pygame.mouse.get_pos())[0]:
status = ("This is node " + str(nodes[components.index(c)]))
if (not graphMode) and (not deletemode):
gameDisplay.fill(backgroundColor)
#update statusbar with status
Writeonstatusbar(status)
# Display node names on wires
nodenames=[]
for c in components:
if c[0] == 0:
text = "N" + str(nodes[components.index(c)])
if not text in nodenames:
nodenames.append(text)
writeonscreen(text,(194, 87, 26),[c[2],c[3]])
nodenames=[]
# Displaying buttons
# Parameters: surface, color, x, y, length, height, width, text, text_color
resistorButton.create_button( gameDisplay, (160,160,160), 0 , 0 , 200 , 40 , 0, "Resistor", (0,0,0))
capacitorButton.create_button( gameDisplay, (160,160,160), 200 , 0 , 200 , 40 , 0, "Capacitor", (0,0,0))
inductorButton.create_button( gameDisplay, (160,160,160), 400 , 0 , 200 , 40 , 0, "Inductor", (0,0,0))
diodeButton.create_button( gameDisplay, (160,160,160), 600 , 0 , 200 , 40 , 0, "Diode", (0,0,0))
vsourceButton.create_button( gameDisplay, (160,160,160), 800 , 0 , 200 , 40 , 0, "Voltage source", (0,0,0))
csourceButton.create_button( gameDisplay, (160,160,160), 0 , 40 , 200 , 40 , 0,"Current source", (0,0,0))
gndButton.create_button( gameDisplay, (160,160,160), 200 , 40 , 200 , 40 , 0, "Ground", (0,0,0))
conductanceButton.create_button(gameDisplay, (160,160,160), 400 , 40 , 200 , 40 , 0, "Conductance", (0,0,0))
opampButton.create_button( gameDisplay, (160,160,160), 600 , 40 , 200 , 40 , 0, "OPAMP", (0,0,0))
rotateButton.create_button( gameDisplay, (160,160,160), 800 , 40 , 200 , 40 , 0, "Rotate", (0,0,0))
saveButton.create_button( gameDisplay, (160,160,160), 0 , 80 , 200 , 40 , 0, "Save", (0,0,0))
netlistButton.create_button( gameDisplay, (160,160,160), 200 , 80 , 200 , 40 , 0, "Netlist", (0,0,0))
ACButton.create_button( gameDisplay, (160,160,160), 400 , 80 , 200 , 40 , 0, "AC", (0,0,0))
DCButton.create_button( gameDisplay, (160,160,160), 600 , 80 , 200 , 40 , 0, "DC", (0,0,0))
sweepButton.create_button( gameDisplay, (160,160,160), 800 , 80 , 200 , 40 , 0, "Sweep", (0,0,0))
changetitleButton.create_button(gameDisplay, (160,160,160), 0 , 120 , 200 , 40 , 0, "Change Title", (0,0,0))
deleteButton.create_button( gameDisplay, (160,160,160), 200 , 120 , 200 , 40 , 0, "Delete", (0,0,0))
graphButton.create_button( gameDisplay, (160,160,160), 400 , 120 , 200 , 40 , 0, "Graph", (0,0,0))
newButton.create_button( gameDisplay, (160,160,160), 600 , 120 , 200 , 40 , 0, "New", (0,0,0))
startsimButton.create_button( gameDisplay, (160,160,160), 800 , 120 , 200 , 40 , 0, "Start simulation", (0,0,0))
# Render components/wires currently being edited
if drawingLine:
if abs(initialCoordinates[0] - gridCoordinates[0]) >= abs(initialCoordinates[1] - gridCoordinates[1]):
componentOrientationRender = 0
pygame.draw.line(gameDisplay, lineColor, initialCoordinates, [gridCoordinates[0], initialCoordinates[1]],linethickness)
else:
componentOrientationRender = 1
pygame.draw.line(gameDisplay, lineColor, initialCoordinates, [initialCoordinates[0], gridCoordinates[1]],linethickness)
if drawingComponenet:
compheight = compdict[currentComponent].get_rect().size[0]
compwidth = compdict[currentComponent].get_rect().size[1]
if currentComponent != 9:
if componentOrientationRender == 0:
gameDisplay.blit(compdict[currentComponent], (gridCoordinates[0] - (compheight / 2) + 1, gridCoordinates[1]))
if componentOrientationRender == 1:
compimage = pygame.transform.rotate(compdict[currentComponent], 270)
gameDisplay.blit(compimage, (gridCoordinates[0], gridCoordinates[1] - (compheight / 2) + 1))
if currentComponent == 9:
if componentOrientationRender == 0:
gameDisplay.blit(compdict[currentComponent], (gridCoordinates[0] - (compheight / 2), gridCoordinates[1]-(compwidth)))
if componentOrientationRender == 1:
compimage = pygame.transform.rotate(compdict[currentComponent], 270)
gameDisplay.blit(compimage, (gridCoordinates[0], gridCoordinates[1] - (compheight / 2) + 1))
# Render components
if len(components) > 0:
for c in components:
#add wire joints
if c[0] == 0:
for n in components:
if n[0] == 0:
if n != c:
if findCollisionWireWire(n,c)[0]:
if findCollisionWireWire(n,c)[1] != None:
joint = pygame.draw.rect(gameDisplay, (0,0,200), (findCollisionWireWire(n,c)[1][0]-3,findCollisionWireWire(n,c)[1][1]-3,8,8), 0)
joint.center=(findCollisionWireWire(n,c)[1][0],findCollisionWireWire(n,c)[1][1])
#rendering
if c[1] == 1:
if c[0] == 0:
pygame.draw.line(gameDisplay, (0, 0, 255), [c[2], c[3]], [c[2] + c[5], c[3]], 2)
elif c[0] != 0:
compheight = compdict[c[0]].get_rect().size[0]
compimage = compdict[c[0]]
compimage = pygame.transform.rotate(compimage, 90)
gameDisplay.blit(compimage, (c[2], c[3] - (compheight / 2) + 1))
writeonscreen(c[4], (0, 255, 0), [c[2], c[3] - 30])
if (c[0] in [1, 2, 3, 5, 6, 8]):
writeonscreen("value " + str(c[5]), (0, 255, 0), [c[2], c[3] + 30])
elif c[1] == 0:
if c[0] == 0:
pygame.draw.line(gameDisplay, (0, 0, 255), [c[2], c[3]], [c[2], c[3] + c[5]], 2)
elif c[0] != 0 and c[0] != 9 :
compheight = compdict[c[0]].get_rect().size[0]
compwidth = compdict[c[0]].get_rect().size[1]
compimage = compdict[c[0]]
gameDisplay.blit(compimage, (c[2] - (compheight / 2) + 1, c[3]))
writeonscreen(c[4], (0, 255, 0), [c[2] - 30, c[3]])
if (c[0] in [1, 2, 3, 5, 6, 8]):
writeonscreen("value " + str(c[5]), (0, 255, 0), [c[2] , c[3] + (compwidth/2)])
elif c[0] == 9 :
compheight = compdict[c[0]].get_rect().size[0]
compwidth = compdict[c[0]].get_rect().size[1]
compimage = compdict[c[0]]
gameDisplay.blit(compimage, (c[2] - (compheight / 2) , c[3]-compwidth))
writeonscreen(c[4], (0, 255, 0), [c[2] , c[3]])
elif c[1] == 2:
if c[0] == 0:
pygame.draw.line(gameDisplay, (0, 0, 255), [c[2], c[3]], [c[2], c[3] + c[5]], 2)
elif c[0] != 0:
compheight = compdict[c[0]].get_rect().size[0]
compwidth = compdict[c[0]].get_rect().size[1]
compimage = compdict[c[0]]
compimage = pygame.transform.rotate(compimage, 180)
gameDisplay.blit(compimage, (c[2] - (compheight / 2) + 1, c[3]))
writeonscreen(c[4], (0, 255, 0), [c[2] - 30, c[3]])
if (c[0] in [1, 2, 3, 5, 6, 8]):
writeonscreen("value " + str(c[5]), (0, 255, 0), [c[2] + 30, c[3]])
elif c[1] == 3:
if c[0] == 0:
pygame.draw.line(gameDisplay, (0, 0, 255), [c[2], c[3]], [c[2], c[3] + c[5]], 2)
elif c[0] != 0 :
compheight = compdict[c[0]].get_rect().size[0]
compwidth = compdict[c[0]].get_rect().size[1]
compimage = compdict[c[0]]
compimage = pygame.transform.rotate(compimage, 270)
gameDisplay.blit(compimage, (c[2], c[3] - (compheight / 2) + 1))
if c[0] != 9 :
writeonscreen(c[4], (0, 255, 0), [c[2], c[3] - 30])
if c[0] == 9 :
writeonscreen(c[4], (0, 255, 0), [c[2], c[3] ])
if (c[0] in [1, 2, 3, 5, 6, 8]):
writeonscreen("value " + str(c[5]), (0, 255, 0), [c[2], c[3] - (compwidth)/2])
# pygame.draw.rect(gameDisplay, (0,255,0), [c[2],c[3],100,20])
# pygame.draw.rect(gameDisplay, i[4], flatten(i)[0:4])
#render joints
#for n in joints :
# pygame.draw.rect(gameDisplay, (0,0,255), (n[0]-2,n[1]-2,4,4), 0)
# pygame.draw.rect(gameDisplay, i[4], flatten(i)[0:4])
pygame.display.update()
def checkEvents():
"""Check Pygame Events."""
for event in pygame.event.get():
if event.type == pygame.QUIT:
return eventType.Quit, None
elif event.type == pygame.MOUSEMOTION:
# print(event.pos)
return eventType.Mouse_Motion, event.pos
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_r:
return eventType.Key_Down, "r"
elif event.key == pygame.K_c:
return eventType.Key_Down, "c"
elif event.key == pygame.K_l:
return eventType.Key_Down, "l"
elif event.key == pygame.K_x:
return eventType.Key_Down, "x"
elif event.key == pygame.K_d:
return eventType.Key_Down, "d"
elif event.key == pygame.K_v:
return eventType.Key_Down, "v"
elif event.key == pygame.K_i:
return eventType.Key_Down, "i"
elif event.key == pygame.K_o:
return eventType.Key_Down, "o"
elif event.key == pygame.K_g:
return eventType.Key_Down, "g"
elif event.key == pygame.K_q:
return eventType.Key_Down, "q"
elif event.key == pygame.K_s:
return eventType.Key_Down, "s"
elif event.key == pygame.K_e:
return eventType.Key_Down, "e"
elif event.key == pygame.K_n:
return eventType.Key_Down, "n"
elif event.key == pygame.K_RETURN:
return eventType.Key_Down, "return"
elif event.key == pygame.K_DELETE:
return eventType.Key_Down, "delete"
else:
return eventType.Key_Down, 0
elif event.type == pygame.MOUSEBUTTONUP:
if resistorButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "r"
if capacitorButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "c"
if inductorButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "l"
if conductanceButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "x"
if diodeButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "d"
if vsourceButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "v"
if csourceButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "i"
if opampButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "o"
if gndButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "g"
if rotateButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "q"
if saveButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "s"
if netlistButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "n"
if ACButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "ACButton"
if DCButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "DCButton"
if sweepButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "SweepButton"
if deleteButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "delete"
if graphButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "GraphButton"
if newButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "new"
if startsimButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "startsim"
if changetitleButton.pressed(pygame.mouse.get_pos()):
return eventType.Key_Down, "change"
return eventType.Mouse_Up, None
return 0, 0
def loadFile(fileName):
"""Load a file into the simulator."""
global title
global components
try:
f = open(fileName, 'rb')
except:
return -1
data = f.read()
counter = 0
magicno = chr(data[0]) + chr(data[1]) + chr(data[2]) + chr(data[3])
if not(magicno == "CIR0"):
print("Error")
return -1
counter = 20
nameLength = int.from_bytes(data[counter:counter + 2], 'big')
counter += 2
title = ""
for i in range(nameLength):
title += chr(data[counter])
counter += 1
componentCount = int.from_bytes(data[counter:counter + 8], 'big')
# print(componentCount)
counter += 8
reservedBits = int.from_bytes(data[counter:counter + 4], 'big')
counter += 4 + reservedBits
for i in range(componentCount):
componentType = int.from_bytes(data[counter:counter + 4], 'big')
counter += 4
componentOrientation = int.from_bytes(data[counter:counter + 1], 'big')
counter += 1
componentCoordx = int.from_bytes(data[counter:counter + 4], 'big')
counter += 4
componentCoordy = int.from_bytes(data[counter:counter + 4], 'big')
counter += 4
componentNameLength = int.from_bytes(data[counter:counter + 2], 'big')
counter += 2
componentName = ""
for i in range(componentNameLength):
componentName += chr(data[counter])
counter += 1
componentValue = struct.unpack('!d', data[counter:counter + 8])[0]
counter += 8
print(componentType, componentOrientation, componentCoordx, componentCoordy, componentName, componentValue)
print('-----')
components.append([componentType, componentOrientation, componentCoordx, componentCoordy, componentName, componentValue])
print (components)
componentReserveLength = int.from_bytes(data[counter:counter + 4], 'big')
counter += 4 + componentReserveLength
return 0
def saveFile(fileName):
"""Save current circuit to file."""
f = open(fileName, 'wb+')
f.write(bytes("CIR0", 'ascii'))
for i in range(16):
f.write(bytes(chr(0), 'ascii'))
f.write(struct.pack("!H", len(title)))
f.write(bytes(title, 'ascii'))
f.write(struct.pack("!Q", len(components) + len(lines)))
for i in range(4):
f.write(bytes(chr(0), 'ascii'))
for i in range(len(components)):
f.write(struct.pack("!I", components[i][0]))
f.write(struct.pack("!B", components[i][1]))
f.write(struct.pack("!I", components[i][2]))
f.write(struct.pack("!I", components[i][3]))
f.write(struct.pack("!H", len(components[i][4])))
f.write(bytes(components[i][4], 'ascii'))
f.write(struct.pack('!d', components[i][5]))
for i in range(4):
f.write(bytes(chr(0), 'ascii'))
print("saved")
f.close()
def askForValue(text):
finished = 0
txtbx = eztext.Input(maxlength=50, color=(0, 255, 0), prompt=text)
while not finished:
# update txtbx
clock.tick(60)
events = pygame.event.get()
val = txtbx.update(events)
if val != None:
finished = 1
# blit txtbx on the sceen
txtbx.draw(gameDisplay)
pygame.display.flip()
render()
return val
def generateNetlist():
"""Generate netlist for simulation."""
global nodes
global status
nodes = [0 for i in components]
connections = [[] for i in components]
netlist = ""
for i in range(len(components)):
if not(components[i][0] == 0):
nodes[i] = -1
for i in range(len(nodes)):
if nodes[i] == 0:
nodes[i] = i
connnod = findConnectedNodes(i, nodes)
if not(connnod is None):
for j in connnod:
nodes[j] = i
for i in range(len(components)):
if (((components[i][0] >= 1) & (components[i][0] <= 6)) | (components[i][0] == 8)):
for j in range(len(components)):
if (components[j][0] == 0):
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3]])):
connections[i].append("T1")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3] + 100]) & ~components[i][1]):
connections[i].append("T2")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2] + 100, components[i][3]]) & components[i][1]):
connections[i].append("T2")
connections[i].append(nodes[j])
if (components[i][0] == 7):
for j in range(len(components)):
if (components[j][0] == 0):
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3]])):
connections[i].append("T1")
connections[i].append(nodes[j])
if (components[i][0] == 9):
for j in range(len(components)):
if (components[j][0] == 0):
if not(components[i][1]):
if(findCollisionWirePoint(components[j], [components[i][2] + 25, components[i][3]])):
connections[i].append("T1")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2] - 25, components[i][3]])):
connections[i].append("T2")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3] - 125])):
connections[i].append("T3")
connections[i].append(nodes[j])
else:
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3] + 25])):
connections[i].append("T1")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3] - 25])):
connections[i].append("T2")
connections[i].append(nodes[j])
if(findCollisionWirePoint(components[j], [components[i][2] + 125, components[i][3]])):
connections[i].append("T3")
connections[i].append(nodes[j])
# Short all grounds together
short_to = -1
for i in range(len(components)):
if (components[i][0] == 7):
if(short_to == -1):
short_to = connections[i][1]
short_from = connections[i][1]
for j in range(len(nodes)):
if (nodes[j] == short_from):
nodes[j] = short_to
for j in connections:
for k in range(len(j)):
if(j[k] == short_from):
j[k] = short_to
if (simType == "DC"):
netlist += ".DC OP\n"
elif (simType == "AC"):
netlist += ".AC OP\n"
elif (simType == "Sweep"):
netlist += ".AC SWEEP FREQ " + ACParameters[2] + " " + str(ACParameters[0]) + " " + \
str(ACParameters[1]) + " " + toGraph[1] + "\n"
netlist += ".GRAPH " + toGraph[0] + " " + toGraph[1] + "\n"
# Set ground to the ground node with .GND
if (short_to > -1):
netlist += ".GND N" + str(short_to) + "\n"
else:
print("ERROR : No ground node!")
status = "ERROR : No ground node!"
return
# Add components one by one
for i in range(len(components)):
if(components[i][0] != 0) & (components[i][0] != 7):
temp = ""
compType = typedict[components[i][0]]
if compType == "O":
compType = "OPAMP3"
temp += compType + " "
temp += components[i][4] + " "
t1 = -1
t2 = -1
t3 = -1
for j in range(0, len(connections[i]), 2):
if(connections[i][j] == "T1"):
t1 = connections[i][j + 1]
if(connections[i][j] == "T2"):
t2 = connections[i][j + 1]
if(connections[i][j] == "T3"):
t3 = connections[i][j + 1]
temp += "("
if (t1 > -1):
temp += "N" + str(t1) + ";"
if (t2 > -1):
temp += "N" + str(t2) + ";"
if (t3 > -1):
temp += "N" + str(t3) + ";"
temp = temp[0:-1]
temp += ") "
if (components[i][0] in [1, 2, 3, 5, 6, 8]):
temp += str(components[i][5]) + " "
if (simType == "AC"):
if (components[i][0] in [5, 6]):
temp += str(ACParameters[0])
temp += "\n"
netlist += temp
print(nodes)
print(connections)
print(netlist)
displayonwindow("Netlist",netlist)
f = open("circuit.net", 'w+')
f.write(netlist)
f.close()
status = "Netlist generated"
def findConnectedNodes(indexw1, mask):
"""Find all nodes connected to a wire."""
rrrrrr = []
mmmmm = copy.copy(mask)
for i in range(len(components)):
if(components[i][0] == 0):
if not(mask[i] == 0):
continue
else:
if(findCollisionWireWire(components[indexw1], components[i])[0]):
rrrrrr.append(i)
mmmmm[i] = -1
for j in rrrrrr:
k = findConnectedNodes(j, mmmmm)
for l in k:
if not(rrrrrr.__contains__(l)):
if(type(l) == int):
rrrrrr.append(l)
else:
flattenml(l)
rrrrrr.append(l[0])
return rrrrrr
def findCollisionWireWire(wire1, wire2):
"""Find if one wire ends on another."""
if (findCollisionWirePoint(wire1, [wire2[2], wire2[3]])):
if wire1[2] == wire2[2] and wire1[3]==wire2[3]:
return True, None
return True, [wire2[2], wire2[3]]
if (findCollisionWirePoint(wire1, [wire2[2], wire2[3] + wire2[5]]) & ~wire2[1]):
return True, [wire2[2], wire2[3] + wire2[5]]
if (findCollisionWirePoint(wire1, [wire2[2] + wire2[5], wire2[3]]) & wire2[1]):
return True, [wire2[2] + wire2[5], wire2[3]]
if (findCollisionWirePoint(wire2, [wire1[2], wire1[3]])):
if wire1[2] == wire2[2] and wire1[3]==wire2[3]:
return True, None
return True , [wire1[2], wire1[3]]
if (findCollisionWirePoint(wire2, [wire1[2], wire1[3] + wire1[5]]) & ~wire1[1]):
return True, [wire1[2], wire1[3] + wire1[5]]
#return True, [wire1[2] + wire1[5], wire1[3]]
if (findCollisionWirePoint(wire2, [wire1[2] + wire1[5], wire1[3]]) & wire1[1]):
return True, [wire1[2] + wire1[5], wire1[3]]
#return True, [wire1[2], wire1[3] + wire1[5]]
return False, [0, 0]
def findCollisionWirePoint(wire, point):
"""Find if a point lies on a wire."""
if (wire[5] > 0):
if((point[0] >= wire[2]) & (point[0] <= wire[2] + wire[5]) & (point[1] == wire[3]) & (wire[1])):
return True
if((point[1] >= wire[3]) & (point[1] <= wire[3] + wire[5]) & (point[0] == wire[2]) & ~(wire[1])):
return True
else:
if((point[0] <= wire[2]) & (point[0] >= wire[2] + wire[5]) & (point[1] == wire[3]) & (wire[1])):
return True
if((point[1] <= wire[3]) & (point[1] >= wire[3] + wire[5]) & (point[0] == wire[2]) & ~(wire[1])):
return True
return False
def detectCollision(component, Coordinates):
"""Find if coordinates are on a component."""
global compdict
global currentComponent
global componentOrientationRender
global status
mouserect = pygame.draw.rect(gameDisplay, (255,255,255), (Coordinates[0]-9,Coordinates[1]-9,20,20), 1)
if(component[0] != 0):
compheight = compdict[c[0]].get_rect().size[0]
compwidth = compdict[c[0]].get_rect().size[1]
#detect component collision
if (component[1] == 0 or component[1] == 2):
if component[0] != 9:
comprect = pygame.draw.rect(gameDisplay, (255,255,255), (c[2]-compheight/2,c[3],compheight,compwidth), 1)
pygame.display.flip()
else:
comprect = pygame.draw.rect(gameDisplay, (255,255,255), (c[2]-compheight/2,c[3]-compwidth,compheight,compwidth), 1)
pygame.display.flip()
elif (component[1] ==1 or component[1] ==3):
if component[0] != 9:
comprect = pygame.draw.rect(gameDisplay, (255,255,255), (c[2],c[3]-compheight/2,compwidth,compheight), 1)
pygame.display.flip()
else:
comprect = pygame.draw.rect(gameDisplay, (255,255,255), (c[2],c[3]-compheight/2,compwidth,compheight), 1)
pygame.display.flip()
return comprect.colliderect(mouserect), component[0]
#detect wire collision
else:
if component[1] == 1:
line = pygame.draw.line(gameDisplay, (255, 255, 255), [component[2], component[3]], [component[2] + component[5], component[3]], 2)
elif component[1] == 0:
line = pygame.draw.line(gameDisplay, (255, 255, 255), [component[2], component[3]], [component[2], component[3] + component[5]], 2)
return line.colliderect(mouserect), component[0]
return False
def AC_analysis():
"""Perform AC Analysis."""
global simType
global ACParameters
global status
print("AC analysis")
simType = "AC"
ACParameters = []
frequency = float(getComponentValue(askForValue("Enter the desired freuency : ")).real)
ACParameters.append(frequency)
status = "AC analysis mode"
def DC_analysis():
"""Perform DC Analysis."""
global simType
global status
global ACParameters
print("DC analysis")
simType = "DC"
status = "DC analysis mode"
def sweep_analysis():
"""Perform Sweep Analysis."""
global simType
global status
global ACParameters
print("sweep analysis")
ACParameters = []
simType = "Sweep"
status = "Sweep analysis mode"
ACParameters.append(float(getComponentValue(askForValue("Enter the start freuency : ")).real))
ACParameters.append(float(getComponentValue(askForValue("Enter the end freuency : ")).real))
ACParameters.append(askForValue("Enter the source to sweep freuency : "))
def Changetitle():
global title
global status
title = askForValue("Enter the new title : ")
pygame.display.set_caption("cool circuit simulator 2000 😎 Now showing : " + title)
status = "Title changed"
def Deduplicatewire():
global nodes
# DEDUP CODE
# Remove zero length wires
for c in components:
if c[0] == 0 and c[5] == 0:
components.remove(c)
# Update nodes
nodes = [0 for i in components]
grounds = [0 for i in components]
for i in range(len(components)):
if not(components[i][0] == 0):
nodes[i] = -1
for i in range(len(nodes)):
if nodes[i] == 0:
nodes[i] = i
connnod = findConnectedNodes(i, nodes)
if not(connnod is None):
for j in connnod:
nodes[j] = i
for i in range(len(components)):
if (components[i][0] == 7):
for j in range(len(components)):
if (components[j][0] == 0):
if(findCollisionWirePoint(components[j], [components[i][2], components[i][3]])):
grounds[i] = nodes[j]
short_to = -1
for i in range(len(components)):
if (components[i][0] == 7):
if(short_to == -1):
short_to = grounds[i]
short_from = grounds[i]
for j in range(len(nodes)):
if (nodes[j] == short_from):
nodes[j] = short_to
for j in range(len(grounds)):
if(grounds[j] == short_from):
grounds[j] = short_to
def Newfile():
global components
global title
components = []
title = ""
pygame.display.set_caption("cool circuit simulator 2000 😎 Now showing : " + title)
def Startsimulation():
global status
global Analyze
Analyze = importlib.reload(Analyze)
result = Analyze.__main__()
if not(simType == "Sweep"):
displayonwindow("Simulation Results", result)
status = "Simulation Done"
def kill():
"""End Circuit Simulator."""
saveFile("myfirstcir.cir")
pygame.quit()
quit()
def displayonwindow(title,text):
figure1 = plt.figure(1)
fig = figure1.add_subplot(111)
fig.set_title(title)
fig.text(0.5, 0, text, fontsize=15)
fig.axis([0, 10, 0, 10])
cur_axes = plt.gca()
cur_axes.axes.get_xaxis().set_visible(False)
cur_axes.axes.get_yaxis().set_visible(False)
plt.show()
# variables
# clock = 0
# gameDisplay = None
global status
killApp = False
drawingLine = False
drawingComponenet = False
deletemode = False
initialCoordinates = [0, 0]
componentOrientationRender = 0 # 0->H 1->v
gridCoordinates = [0, 0]
lines = []
verticalWire = False
simType = "DC"
ACParameters = []
components = []
joints =[]
title = ""
toGraph = ["N0", "N0"]
graphMode = False
# if(loadFile("myfirstcir.cir") == -1):
# kill()
loadFile("myfirstcir.cir")
initalize()
nodes = [0 for i in components]
Deduplicatewire()
# main loop
while not killApp:
#time.sleep(0.025)
returnedEvent, eventParameter = checkEvents()
if (returnedEvent == eventType.Quit):
killApp = True
# update grid coordinates every time the mouse moves
elif (returnedEvent == eventType.Mouse_Motion):
gridCoordinates = [snapToGrid(eventParameter[0], eventParameter[1], 25)[0], snapToGrid(eventParameter[0], eventParameter[1], 25)[1]]
# print(gridCoordinates)
# if key pressed start drawing a component
elif (returnedEvent == eventType.Key_Down):
if (eventParameter == "r"):
drawingLine = False
currentComponent = 1
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "c"):
drawingLine = False
currentComponent = 2
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "l"):
drawingLine = False
currentComponent = 3
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "x"):
drawingLine = False
currentComponent = 8
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "d"):
drawingLine = False
currentComponent = 4
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "v"):
drawingLine = False
currentComponent = 5
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "i"):
drawingLine = False
currentComponent = 6
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "g"):
drawingLine = False
currentComponent = 7
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "o"):
drawingLine = False
currentComponent = 9
componentOrientationRender = 0
drawingComponenet = not drawingComponenet
if (eventParameter == "s"):
#TODO
saveFile("myfirstcir.cir")
status = "Saved"
pass
if (eventParameter == "n"):
generateNetlist()
if (eventParameter == "ACButton"):
AC_analysis()
if (eventParameter == "DCButton"):
DC_analysis()
if (eventParameter == "SweepButton"):
sweep_analysis()
if (eventParameter == "GraphButton"):
graphMode = ~graphMode
deletemode = False
if graphMode:
status = "Graph mode"
else:
status = "Good"
if (eventParameter == "change"):
Changetitle()
if (eventParameter == "new"):
Newfile()
if (eventParameter == "startsim"):
Startsimulation()
if (eventParameter == "delete"):
#for c in components:
# if detectCollision(c, pygame.mouse.get_pos())[0]:
# components.remove(c)
# elif gridCoordinates == [c[2], c[3]]:
# components.remove(c)
Deduplicatewire()
deletemode = not deletemode
graphMode = False
if deletemode:
status = "Delete mode"
else:
status = "Good"
elif (eventParameter == "q"):
componentOrientationRender = not componentOrientationRender
# when mouse up
elif (returnedEvent == eventType.Mouse_Up):
if (deletemode == False) and (graphMode == False):
# start drawing lines
if ((drawingLine == False) & (drawingComponenet == False)):
initialCoordinates = copy.copy(gridCoordinates)
drawingLine = True
# save drawn line
elif drawingLine == True:
linecount = 0
for c in components:
if c[4][0] == 'N':
linecount += 1
if (componentOrientationRender):
components.append([0, 0, initialCoordinates[0], initialCoordinates[1], ("N" + str(linecount)),
gridCoordinates[1] - initialCoordinates[1]])
Deduplicatewire()