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tools: 5 channels in pcapconverter and scope
This commit is contained in:
uhi22
parent
719ed51d20
commit
1c3bd15807
2 changed files with 126 additions and 169 deletions
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@ -33,7 +33,7 @@ import json
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directory = 'local/pcaps_to_convert'
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# stop the evaluation after this number of packets. Set to zero to have no limit.
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nLimitNumberOfPackets = 1000
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nLimitNumberOfPackets = 2000
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def getManufacturerFromMAC(strMAC):
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@ -134,6 +134,13 @@ def convertPcapToTxt(inputFileName):
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print("[" + str(packet.sniff_time) + "] EVSEPresentCurrent=" + str(i), file=fileOutValues)
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except:
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pass
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try:
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u = combineValueAndMultiplier(y["EVTargetVoltage.Value"], y["EVTargetVoltage.Multiplier"])
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print("[" + str(packet.sniff_time) + "] EVTargetVoltage=" + str(u), file=fileOutValues)
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i = combineValueAndMultiplier(y["EVTargetCurrent.Value"], y["EVTargetCurrent.Multiplier"])
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print("[" + str(packet.sniff_time) + "] EVTargetCurrent=" + str(i), file=fileOutValues)
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except:
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pass
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try:
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soc = y["DC_EVStatus.EVRESSSOC"]
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print("[" + str(packet.sniff_time) + "] EVRESSSOC=" + str(soc), file=fileOutValues)
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274
scope.py
274
scope.py
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@ -16,14 +16,43 @@ import time
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import sys # for argv
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def addChannelNameToChannel(s):
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global channelNames
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blAlreadyPresent=0
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for i in range(len(channelNames)):
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if (channelNames[i]==s):
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blAlreadyPresent=1
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if (blAlreadyPresent==1):
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#print("The name " + s + " is already present in the channel names. Nothing to do.")
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return
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# The new name is not known yet. Search an empty channel and store it there.
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for i in range(len(channelNames)):
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if (channelNames[i]==""):
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channelNames[i]=s
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print("Stored " + s + " as channel name for channel " + str(i))
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return
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# if we come here, there was no free channel, and we discard the new name.
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print("Discarding name " + s)
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def addChannelData(name, time, value):
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# adds a data point to the channel with the given name
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global channelNames
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global channelData
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for i in range(len(channelNames)):
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if (channelNames[i]==name):
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channelData[i].append([time, float(value)])
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return
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root = Tk()
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root.geometry("600x500")
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root.geometry("750x500")
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lastKey = ''
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lblHelp = Label(root, justify= "left")
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lblHelp['text']="press ctrl C to exit"
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lblHelp.pack()
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canvas_width = 590
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canvas_width = 750
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canvas_height = 400
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divisionsPerScreen = 10
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@ -32,7 +61,6 @@ c = Canvas(root,
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height=canvas_height)
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c.pack()
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x0Scope = 10
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y0Scope = 45
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xSizeScope = canvas_width-30
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@ -51,177 +79,105 @@ c.create_line(x0Scope, y0Scope, x0Scope, y0Scope+ySizeScope, fill="#FFFFFF")
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c.create_line(x0Scope+xSizeScope, y0Scope+ySizeScope, x0Scope+xSizeScope, y0Scope, fill="#FFFFFF")
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c.create_line(x0Scope+xSizeScope, y0Scope+ySizeScope, x0Scope, y0Scope+ySizeScope, fill="#FFFFFF")
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inputFileName = "local/pcaps_converted/2023-05-12_170340_tcpdump.pcap.values.txt"
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inputFileName = "local/pcaps_converted/2023-05-12_174912_tcpdump.pcap.values.txt"
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fileIn = open(inputFileName, 'r')
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Lines = fileIn.readlines()
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strCh1Color="#FFFF00" # yellow
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strCh2Color="#10FF10" # green
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strCh3Color="#4040FF" # blue
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# yellow green blue red orange
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channelColors = ["#FFFF00", "#10FF10", "#4040FF", "#FF4040", "#FFC000" ]
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numberOfChannels = len(channelColors)
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print(str(numberOfChannels) + " channels")
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channelNames = []
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channelData = []
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for i in range(numberOfChannels):
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channelNames.append("") # empty string for each channel
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channelData.append([]) # empty list for each channel
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channelOffsets = [] # will be appended dynamically below
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channelPerDivs = [] # will be appended dynamically below
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strChannelName1=""
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strChannelName2=""
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strChannelName3=""
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ch1values = []
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ch2values = []
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ch3values = []
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count = 0
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for line in Lines:
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count += 1
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p1 = line.find("] ")
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p2 = line.find("=")
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if (p1>0) and (p2>p1+3):
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s = line[p1+2:p2]
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if (strChannelName1==""):
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strChannelName1=s
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else:
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if ((strChannelName2=="") and (s!=strChannelName1)):
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strChannelName2=s
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else:
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if ((strChannelName3=="") and (s!=strChannelName1) and (s!=strChannelName2)):
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strChannelName3=s
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if (s==strChannelName1):
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sVal=line[p2+1:].strip()
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ch1values.append(float(sVal))
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if (s==strChannelName2):
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sVal=line[p2+1:].strip()
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ch2values.append(float(sVal))
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if (s==strChannelName3):
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sVal=line[p2+1:].strip()
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ch3values.append(float(sVal))
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p1 = line.find("[")
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p2 = line.find("] ")
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p3 = line.find("=")
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if (p1>=0) and (p2>p1) and (p3>p2+3):
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strName = line[p2+2:p3]
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addChannelNameToChannel(strName) # assign the found variable name to a channel, if not yet assigned
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strVal=line[p3+1:].strip()
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strTime=line[p1+1:p2].strip()
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#print("Time >"+strTime+"<")
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addChannelData(strName, strTime, strVal)
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#print("Line{}: {}".format(count, line.strip()))
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fileIn.close()
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print("The channel names")
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for i in range(numberOfChannels):
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print(str(i) + " " + channelNames[i])
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#print("The channel data")
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#for i in range(numberOfChannels):
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# print(str(i) + " " + channelNames[i])
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# for k in range(len(channelData[i])):
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# t = channelData[i][k][0]
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# y = channelData[i][k][1]
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# print("t= " + t + " y= " + str(y) )
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# Hack: look which channel has the most samples.
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# Todo: This is not correct, because we have to use the time stamp instead of the sample number.
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maxSamples = 1
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if maxSamples<len(ch1values):
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maxSamples=len(ch1values)
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if maxSamples<len(ch2values):
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maxSamples=len(ch2values)
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if maxSamples<len(ch3values):
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maxSamples=len(ch3values)
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for i in range(numberOfChannels):
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if maxSamples<len(channelData[i]):
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maxSamples=len(channelData[i])
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print("maxSamples " + str(maxSamples))
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dxPerSample = xSizeScope / maxSamples
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vMin=ch1values[0]
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vMax=ch1values[0]
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for v in ch1values:
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# Auto-scaling of the y axis
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for i in range(numberOfChannels):
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vMin=channelData[i][0][1]
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vMax=vMin
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for v in channelData[i]:
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#print(v)
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if (v<vMin):
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vMin = v
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if (v>vMax):
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vMax = v
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print("min=" + str(vMin) + ", max=" + str(vMax))
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if (v[1]<vMin):
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vMin = v[1]
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if (v[1]>vMax):
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vMax = v[1]
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print("For channel " + str(i) + " we have min " + str(vMin) + " and max " + str(vMax))
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vDelta = vMax - vMin
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perDiv1 = 1
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if (vDelta/perDiv1>10):
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perDiv1=2
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if (vDelta/perDiv1>10):
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perDiv1=5
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if (vDelta/perDiv1>10):
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perDiv1=10
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if (vDelta/perDiv1>10):
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perDiv1=20
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if (vDelta/perDiv1>10):
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perDiv1=50
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if (vDelta/perDiv1>10):
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perDiv1=100
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print("Scale: " + str(perDiv1) + "/div")
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perDiv = 1
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if (vDelta/perDiv>10):
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perDiv=2
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if (vDelta/perDiv>10):
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perDiv=5
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if (vDelta/perDiv>10):
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perDiv=10
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if (vDelta/perDiv>10):
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perDiv=20
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if (vDelta/perDiv>10):
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perDiv=50
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if (vDelta/perDiv>10):
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perDiv=100
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print("Scale: " + str(perDiv) + "/div")
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offs1 = 0
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while ((offs1+perDiv1)<vMin):
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offs1+=perDiv1
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print("Offset: " + str(offs1))
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offs = 0
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while ((offs+perDiv)<vMin):
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offs+=perDiv
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print("Offset: " + str(offs))
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channelOffsets.append(offs)
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channelPerDivs.append(perDiv)
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for i in range(numberOfChannels):
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x = x0Scope
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for v in ch1values:
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yPix = y0Scope+ySizeScope - (v - offs1)/perDiv1 * ySizeScope / divisionsPerScreen
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for v in channelData[i]:
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yPix = y0Scope+ySizeScope - (v[1] - channelOffsets[i])/channelPerDivs[i] * ySizeScope / divisionsPerScreen
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x1, y1 = ( x - 1 ), ( yPix - 1 )
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x2, y2 = ( x + 1 ), ( yPix + 1 )
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c.create_line(x1, y1, x2, y2, fill=strCh1Color)
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c.create_line(x1, y2, x2, y1, fill=strCh1Color)
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x+=dxPerSample
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vMin=ch2values[0]
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vMax=ch2values[0]
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for v in ch2values:
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#print(v)
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if (v<vMin):
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vMin = v
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if (v>vMax):
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vMax = v
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print("min=" + str(vMin) + ", max=" + str(vMax))
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vDelta = vMax - vMin
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perDiv2 = 1
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if (vDelta/perDiv2>10):
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perDiv2=2
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if (vDelta/perDiv2>10):
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perDiv2=5
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if (vDelta/perDiv2>10):
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perDiv2=10
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if (vDelta/perDiv2>10):
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perDiv2=20
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if (vDelta/perDiv2>10):
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perDiv2=50
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if (vDelta/perDiv2>10):
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perDiv2=100
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print("Scale: " + str(perDiv2) + "/div")
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offs2 = 0
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while ((offs2+perDiv2)<vMin):
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offs2+=perDiv2
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print("Offset: " + str(offs2))
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x = x0Scope
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for v in ch2values:
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yPix = y0Scope+ySizeScope - (v - offs2)/perDiv2 * ySizeScope / divisionsPerScreen
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x1, y1 = ( x - 1 ), ( yPix - 1 )
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x2, y2 = ( x + 1 ), ( yPix + 1 )
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c.create_line(x1, y1, x2, y2, fill=strCh2Color)
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c.create_line(x1, y2, x2, y1, fill=strCh2Color)
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x+=dxPerSample
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vMin=ch3values[0]
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vMax=ch3values[0]
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for v in ch3values:
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print(v)
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if (v<vMin):
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vMin = v
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if (v>vMax):
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vMax = v
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print("min=" + str(vMin) + ", max=" + str(vMax))
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vDelta = vMax - vMin
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perDiv3 = 1
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if (vDelta/perDiv3>10):
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perDiv3=2
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if (vDelta/perDiv3>10):
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perDiv3=5
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if (vDelta/perDiv3>10):
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perDiv3=10
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if (vDelta/perDiv3>10):
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perDiv3=20
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if (vDelta/perDiv3>10):
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perDiv3=50
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if (vDelta/perDiv3>10):
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perDiv3=100
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print("Scale: " + str(perDiv3) + "/div")
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offs3 = 0
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while ((offs3+perDiv3)<vMin):
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offs3+=perDiv3
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print("Offset: " + str(offs3))
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x = x0Scope
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for v in ch3values:
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yPix = y0Scope+ySizeScope - (v - offs3)/perDiv3 * ySizeScope / divisionsPerScreen
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x1, y1 = ( x - 3 ), ( yPix - 3 )
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x2, y2 = ( x + 3 ), ( yPix + 3 )
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c.create_line(x1, y1, x2, y2, fill=strCh3Color)
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c.create_line(x1, y2, x2, y1, fill=strCh3Color)
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c.create_line(x1, y1, x2, y2, fill=channelColors[i])
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c.create_line(x1, y2, x2, y1, fill=channelColors[i])
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x+=dxPerSample
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@ -231,17 +187,11 @@ ySizeLegend = 40
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# legend background
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c.create_rectangle(x0Scope, y0Legend, x0Scope+xSizeScope, y0Legend+ySizeLegend, fill="black")
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c.create_text(x0Scope,y0Legend+0, text=strChannelName1, anchor="nw", fill=strCh1Color)
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c.create_text(x0Scope,y0Legend+10, text=str(perDiv1) + "/div", anchor="nw", fill=strCh1Color)
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c.create_text(x0Scope,y0Legend+20, text="Offs " + str(offs1), anchor="nw", fill=strCh1Color)
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for i in range(numberOfChannels):
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c.create_text(x0Scope+150*i,y0Legend+0, text=channelNames[i], anchor="nw", fill=channelColors[i])
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c.create_text(x0Scope+150*i,y0Legend+10, text=str(channelPerDivs[i]) + "/div", anchor="nw", fill=channelColors[i])
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c.create_text(x0Scope+150*i,y0Legend+20, text="Offs " + str(channelOffsets[i]), anchor="nw", fill=channelColors[i])
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c.create_text(x0Scope+150,y0Legend+0, text=strChannelName2, anchor="nw", fill=strCh2Color)
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c.create_text(x0Scope+150,y0Legend+10, text=str(perDiv2) + "/div", anchor="nw", fill=strCh2Color)
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c.create_text(x0Scope+150,y0Legend+20, text="Offs " + str(offs2), anchor="nw", fill=strCh2Color)
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c.create_text(x0Scope+300,y0Legend+0, text=strChannelName3, anchor="nw", fill=strCh3Color)
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c.create_text(x0Scope+300,y0Legend+10, text=str(perDiv3) + "/div", anchor="nw", fill=strCh3Color)
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c.create_text(x0Scope+300,y0Legend+20, text="Offs " + str(offs3), anchor="nw", fill=strCh3Color)
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lastKey = ''
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