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Thomas Herrmann
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269
cnc.py
Normal file
269
cnc.py
Normal file
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import serial
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import time
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from tkinter import *
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import serial.tools.list_ports
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from tkinter import filedialog as fd
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grbl = 0
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i = 10
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GCODE = 0
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AXIS = 'X'
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def grblConnect2():
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global grbl
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#Serial Connection
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locations=['/dev/ttyACM0','/dev/ttyUSB0','/dev/ttyUSB1','/dev/ttyACM1','/dev/ttyACM2','/dev/ttyACM3',
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'/dev/ttyS0','/dev/ttyS1','/dev/ttyS2','/dev/ttyS3']
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for device in locations:
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try:
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#print([comport.device for comport in serial.tools.list_ports.comports()])
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print ("Trying...",device)
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grbl = serial.Serial(port= device, baudrate= 115200, timeout =.1)
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#grbl.open()
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#print(grbl.readline())
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grbl.write(str.encode("\r\n\r\n"))
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time.sleep(2) # Wait for grbl to initialize
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grbl.flushInput() # Flush startup text in serial input
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connect_ser.config(bg='green')
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#print("connected")
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break
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except:
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#print ("Failed to connect on",device)
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grbl = 0
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# Stream g-code to grbl
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#Stream GCODE from -https://onehossshay.wordpress.com/2011/08/26/grbl-a-simple-python-interface/-
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def grblConnectDebug():
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global grbl
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grbl = serial.Serial(port= '/dev/ttyACM0', baudrate= 115200, timeout =.1)
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#grbl.close()
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#print(grbl.readline())
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grbl.write(str.encode("\r\n\r\n"))
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time.sleep(2) # Wait for grbl to initialize
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grbl.flushInput() # Flush startup text in serial input
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#print("connected")
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connect_ser.config(bg='green')
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#print(grbl.read())
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infoScreen(grbl.read())
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return grbl
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def jogWrite(grbl,AXIS, CMD, scale):
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DECIMAL = [0.1,1,10,100]
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scale = increments.get()
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MOVE = int(CMD) * DECIMAL[scale -1]
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grbl_command = ('G91'+'G0' +' ' + AXIS + str(MOVE) + ' '+ 'F100')
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#print(grbl_command)
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grbl.write(str.encode(grbl_command + '\n'))
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grbl_out = grbl.readline() # Wait for grbl response with carriage return
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#print(grbl_out.strip())
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infoScreen(grbl_command)
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infoScreen(grbl_out)
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def terminalWrite(grbl):
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grbl_command = terminal.get()
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#print(grbl_command)
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grbl.write(str.encode(grbl_command + '\n'))
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grbl_out = grbl.readline() # Wait for grbl response with carriage return
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#print(grbl_out.strip())
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infoScreen(grbl_out)
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def infoScreen(data):
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global i
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terminalFrame = Frame(terminal_recv, bg = 'white')
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terminal_recv.create_window(10,i, window = terminalFrame, anchor = 'nw')
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Label(terminalFrame, text = data, font = ('Calibri',10), bg ='white', fg ='black').pack()
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i += 22
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if i >=400:
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i=10
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terminal_recv.delete("all")
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def openGCODE():
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global GCODE
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filetypes = (('GCODE', '*.nc'),('All files', '*.*'))
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GCODE = fd.askopenfile(title='Open a file', initialdir='/home/thomash/Environments/cnc/', filetypes=filetypes)
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if GCODE != 0:
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fopen.config(bg='green')
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else:
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fopen.config(bg = 'grey')
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build_xy = findEnvelope()
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mill_table.create_rectangle(build_xy[0],build_xy[1], fill = 'blue', stipple = 'gray75')
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def findEnvelope(): #get the max used Buildspace and position of the job
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x_coords = []
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y_coords = []
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coord_max = [0,1]
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coord_min = [0,1]
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for line in GCODE:
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l = line.strip(line) # Strip all EOL characters for streaming
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l = line.replace('X', '')
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l2 = l.replace('Y', '')
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l2 = l2.split()
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if len(l2) == 3:
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x = l2[1]
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x_coords.append(float(x))
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y = l2[2]
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y_coords.append(float(y))
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x_coords.sort()
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y_coords.sort()
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coord_max[0] = max(x_coords) +50
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coord_max[1] = 350 - max(y_coords) #invertierte Buildplattform mit 0 unten links statt oben links
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coord_min[0] = min(x_coords) +50
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coord_min[1] = 350 - min(y_coords)
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return coord_min, coord_max
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def grblWrite(grbl):
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#print("write1")
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GCODE.seek(0)
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for line in GCODE:
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#print("write")
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l = line.strip(line) # Strip all EOL characters for streaming
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l = line.split(";",0)
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grbl.write(str.encode(l[0]+ '\n')) # Send g-code block to grbl
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grbl_out = grbl.readline() # Wait for grbl response with carriage return
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infoScreen(grbl_out.strip())
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def grblClose(grbl):
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# Close file and serial port
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#f.close()
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try:
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grbl.close()
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print("closed")
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connect_ser.config(bg='grey')
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except:
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print("Connection still open")
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#GUI Main
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buttonsize_x = 5
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buttonsize_y = 3
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increments = 0
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root = Tk()
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root.title('touchCNC')
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root.geometry('1024x600+0+0')
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increments = IntVar()
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left = Button(root, text="-X", width = buttonsize_x, height = buttonsize_y, command = lambda:jogWrite(grbl, 'X', '-1', increments))
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right = Button(root, text="+X",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'X', '1', increments))
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up = Button(root, text="+Y", width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Y', '1', increments))
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down = Button(root, text="-Y",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Y', '-1', increments))
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z_up = Button(root, text="+Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Z', '1', increments) )
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z_down = Button(root, text="-Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Z', '-1', increments))
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zero_x = Button(root, text="zero X",width = buttonsize_x, height = buttonsize_y)
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zero_y = Button(root, text="zero Y",width = buttonsize_x, height = buttonsize_y)
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zero_z = Button(root, text="zero Z",width = buttonsize_x, height = buttonsize_y)
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zero_all =Button(root, text="zero All",width = buttonsize_x, height = buttonsize_y)
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connect_ser = Button(root, text="Cnnct",width = buttonsize_x, height = buttonsize_y, command = grblConnect2, bg = 'grey')
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discon_ser = Button(root, text="Dsconct",width = buttonsize_x, height = buttonsize_y, command = lambda:grblClose(grbl))
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start = Button(root, text="START",width = buttonsize_x, height = buttonsize_y, bg = 'red', command = lambda: grblWrite(grbl))
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stop = Button(root, text="STOP",width = buttonsize_x, height = buttonsize_y, bd= 3)
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pause = Button(root, text="PAUSE",width = buttonsize_x, height = buttonsize_y, bg = '#007fff')
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fopen = Button(root, text="GCODE",width = buttonsize_x , height = buttonsize_y, bg = 'grey', command = openGCODE)
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spindle = Button(root, text="Spindle",width = buttonsize_x, height = buttonsize_y)
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coolant = Button(root, text="Coolant",width = buttonsize_x, height = buttonsize_y)
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tool = Button(root, text="Tool",width = buttonsize_x, height = buttonsize_y)
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macro = Button(root, text="Macro1",width = buttonsize_x, height = buttonsize_y)
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step_incr1 = Radiobutton(root, text= '0,1', value = 1 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
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step_incr2 = Radiobutton(root, text= '1', value = 2 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
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step_incr3 = Radiobutton(root, text= '10', value = 3 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
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step_incr4 = Radiobutton(root, text= '100', value = 4 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
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step_incr2.select()
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terminal = Entry(root, width =8, text="GCODE")
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terminal_send = Button(root, text="SEND",width = buttonsize_x, height = buttonsize_y, bd= 3, command = lambda: terminalWrite(grbl))
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terminal_recv = Canvas(root, width = 200, height =400, bg = 'white')
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show_ctrl_x_label = Label(root,text = "X - POSITION")
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show_ctrl_y_label = Label(root,text = "Y - POSITION")
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show_ctrl_z_label = Label(root,text = "Z - POSITION")
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show_ctrl_x =Entry(root, text = "X - POSITION", width = 5)
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show_ctrl_y =Entry(root, text = "Y - POSITION", width = 5)
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show_ctrl_z =Entry(root, text = "Z - POSITION", width = 5)
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feed_control = Scale(root, orient = HORIZONTAL, length = 400, label = "Feedrate",tickinterval = 20)
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#Milling Area and Gcode preview with grid generation
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mill_table= Canvas(root, width= 400, height = 400, bg = 'grey')
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try:
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meister = PhotoImage(file='meister.png', width =400, height = 400)
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mill_table.create_image(200,200,image = meister, anchor =NW)
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except:
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infoScreen("Couldn't load background")
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mill_table.create_rectangle(50,50,350,350, fill ='white')
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mill_table.create_text(200,25,text = 'Fräsbereich 300mm x 300mm')
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for x in range(50,350,50):
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mill_table.create_text(x,400- x, text = x-50)
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for x in range(0,400,50):
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for y in range(0,400,50):
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gitter_x = mill_table.create_line(x,0,x,400)
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gitter_y = mill_table.create_line(0,y,400,y)
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left.grid(row=1, column=0, padx=3, pady=2)
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right.grid(row=1, column=2,padx=3, pady=2)
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up.grid(row=0, column=1, padx=3, pady=10)
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down.grid(row=1, column=1,padx=3, pady=2)
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z_up.grid(row=0, column=3,padx=10, pady=10)
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z_down.grid(row=1, column=3,padx=10, pady=2)
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step_incr2.select()
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step_incr1.grid(row=2, column=0,padx=3, pady=10)
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step_incr2.grid(row=2, column=1,padx=3, pady=10)
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step_incr3.grid(row=2, column=2,padx=3, pady=10)
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step_incr4.grid(row=2, column=3,padx=3, pady=10)
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show_ctrl_x_label.grid(row=3, column=0,padx=3, pady=10, columnspan =2)
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show_ctrl_y_label.grid(row=4, column=0,padx=3, pady=10, columnspan =2)
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show_ctrl_z_label.grid(row=5, column=0,padx=3, pady=10, columnspan =2)
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show_ctrl_x.grid(row=3, column=2,padx=3, pady=10, columnspan =1)
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show_ctrl_y.grid(row=4, column=2,padx=3, pady=10, columnspan =1)
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show_ctrl_z.grid(row=5, column=2,padx=3, pady=10, columnspan =1)
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zero_x.grid(row=6, column=0,padx=10, pady=10)
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zero_y.grid(row=6, column=1,padx=10, pady=10)
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zero_z.grid(row=6, column=2,padx=10, pady=10)
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zero_all.grid(row=6, column=3,padx=10, pady=10)
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connect_ser.grid(row=7, column=0,padx=10, pady=10)
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discon_ser.grid(row=7, column=1,padx=10, pady=10)
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start.grid(row=7, column=2,padx=10, pady=10)
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stop.grid(row=7, column=3,padx=10, pady=10)
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pause.grid(row=8, column=2,padx=10, pady=10, columnspan = 1)
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fopen.grid(row=8, column=0,padx=10, pady=10)
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spindle.grid(row=7, column=4,padx=1, pady=10)
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coolant.grid(row=7, column=5,padx=1, pady=10)
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tool.grid(row=7, column=6,padx=1, pady=10)
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macro.grid(row=7, column=7,padx=1, pady=10)
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terminal.grid(row = 7, column = 8, padx =2, pady =10)
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terminal_send.grid(row = 7, column = 9, padx =2, pady =10)
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terminal_recv.grid(row = 0, column = 8, padx =10, pady =10,rowspan = 7, columnspan =2)
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feed_control.grid(row = 8, column = 4, columnspan =4)
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mill_table.grid(row=0, column=4,padx=10, pady=10,columnspan = 4, rowspan = 7)
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root.mainloop()
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