Added threaded grbl streamer

This commit is contained in:
Thomas Herrmann 2021-09-02 20:39:49 +02:00
parent 49cf914d80
commit c3e37cf6c5

117
cnc.py
View File

@ -4,12 +4,15 @@ from tkinter import *
import serial.tools.list_ports
from tkinter import filedialog as fd
import threading
grbl = 0
i = 10
GCODE = 0
AXIS = 'X'
states = {'M3':'0', 'M8':'0', 'M6':'0'} #Spindle, Coolant
BORDER = 2
freetosend = 1
def grblConnect2():
global grbl
@ -39,7 +42,6 @@ def grblConnect2():
# Stream g-code to grbl
#Stream GCODE from -https://onehossshay.wordpress.com/2011/08/26/grbl-a-simple-python-interface/-
def displayPosition():
if grbl != 0:
grbl_command = '?'
@ -61,29 +63,28 @@ def displayPosition():
#show_ctrl_z_w.config(text = coordinates_list[6])
else:
print("No Connection yet")
show_ctrl_x.after(1000,displayPosition)
#show_ctrl_x.after(1000,displayPosition)
def debugWrite():
time.sleep(3)
print("NOW")
def jogWrite(grbl,AXIS, CMD, scale):
def jogWrite(AXIS, CMD, scale):
DECIMAL = [0.1,1,10,100]
scale = increments.get()
MOVE = int(CMD) * DECIMAL[scale -1]
grbl_command = ('$J=G91' +' ' + AXIS + str(MOVE) + ' '+ 'F1000')
#print(grbl_command)
grbl.write(str.encode(grbl_command + '\n'))
grbl_out = grbl.readline() # Wait for grbl response with carriage return
#print(grbl_out.strip())
infoScreen(grbl_command)
infoScreen(grbl_out)
if freetosend == 1:
sendGRBL(grbl_command)
def directWrite(grbl, CMD):
def directWrite(CMD):
grbl_command = CMD
grbl.write(str.encode(grbl_command + '\n'))
grbl_out = grbl.readline() # Wait for grbl response with carriage return
infoScreen(grbl_command)
infoScreen(grbl_out)
if freetosend == 1:
sendGRBL(grbl_command)
def latchWrite(grbl, CMD):
def latchWrite(CMD):
global states
if states[CMD] == '0':
states[CMD] = '1'
@ -100,7 +101,10 @@ def latchWrite(grbl, CMD):
tool.config(bg='grey')
if CMD == 'M3':
grbl_command = (CMD * int(states[CMD]))
if states['M3'] == '1':
grbl_command = 'M3 S1000'
if states['M3'] == '0':
grbl_command = 'M3 S0'
if CMD == 'M8':
if states['M8'] == '1':
@ -115,25 +119,16 @@ def latchWrite(grbl, CMD):
#grbl_command = (CMD * int(states[CMD]) )
print(grbl_command)
print(states)
grbl.write(str.encode(grbl_command + '\n'))
grbl_out = grbl.readline() # Wait for grbl response with carriage return
infoScreen(grbl_command)
infoScreen(grbl_out)
sendGRBL(grbl_command)
def zeroWrite(grbl, CMD, AXIS):
def zeroWrite(CMD, AXIS):
grbl_command = (CMD + ' ' + AXIS + '0')
grbl.write(str.encode(grbl_command + '\n'))
grbl_out = grbl.readline() # Wait for grbl response with carriage return
infoScreen(grbl_command)
infoScreen(grbl_out)
sendGRBL(grbl_command)
def terminalWrite(grbl):
def terminalWrite():
grbl_command = terminal.get()
#print(grbl_command)
grbl.write(str.encode(grbl_command + '\n'))
grbl_out = grbl.readline() # Wait for grbl response with carriage return
#print(grbl_out.strip())
infoScreen(grbl_out)
sendGRBL(grbl_command)
def infoScreen(data):
global i
@ -190,18 +185,21 @@ def findEnvelope(): #get the max used Buildspace and position of the job
return coord_min, coord_max
def grblWrite(grbl, GCODE):
def grblWrite():
#print("write1")
GCODE.seek(0)
for line in GCODE:
#print("write")
l = line.strip(line) # Strip all EOL characters for streaming
l = line.split(";",0)
grbl.write(str.encode(l[0]+ '\n')) # Send g-code block to grbl
grbl_out = grbl.readline() # Wait for grbl response with carriage return
infoScreen(grbl_out.strip())
grbl_command = l[0]
sendGRBL(grbl_command)
infoScreen("finished")
GCODE.close()
fopen.config(bg = 'grey')
def grblClose(grbl):
def grblClose():
# Close file and serial port
#f.close()
try:
@ -211,6 +209,15 @@ def grblClose(grbl):
except:
print("Connection still open")
def sendGRBL(grbl_command):
global freetosend
#print(grbl_command)
grbl.write(str.encode(grbl_command+ '\n')) # Send g-code block to grbl
grbl_out = grbl.readline() # Wait for grbl response with carriage return
infoScreen(grbl_out)
infoScreen("finished")
#GUI Main
buttonsize_x = 5
buttonsize_y = 3
@ -225,31 +232,31 @@ root.tk_setPalette(background='#11192C', foreground='white',activeBackground='#2
increments = IntVar()
movement = Frame(root, relief = 'ridge', bd = BORDER)
left = Button(root, text="-X", width = buttonsize_x, height = buttonsize_y, command = lambda:jogWrite(grbl, 'X', '-1', increments),bd = BORDER)
right = Button(root, text="+X",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'X', '1', increments),bd = BORDER)
up = Button(root, text="+Y", width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Y', '1', increments),bd = BORDER)
cancel = Button(root, text="cancel", width = buttonsize_x, height = buttonsize_y,bg = 'black', command = lambda:directWrite(grbl,'à'),bd = BORDER)
down = Button(root, text="-Y",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Y', '-1', increments),bd = BORDER)
z_up = Button(root, text="+Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Z', '1', increments) ,bd = BORDER)
z_down = Button(root, text="-Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite(grbl, 'Z', '-1', increments),bd = BORDER)
left = Button(root, text="-X", width = buttonsize_x, height = buttonsize_y, command = lambda:jogWrite('X', '-1', increments),bd = BORDER)
right = Button(root, text="+X",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite('X', '1', increments),bd = BORDER)
up = Button(root, text="+Y", width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite('Y', '1', increments),bd = BORDER)
cancel = Button(root, text="cancel", width = buttonsize_x, height = buttonsize_y,bg = '#A31621', command = lambda:directWrite('133'),bd = BORDER)
down = Button(root, text="-Y",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite('Y', '-1', increments),bd = BORDER)
z_up = Button(root, text="+Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite('Z', '1', increments) ,bd = BORDER)
z_down = Button(root, text="-Z",width = buttonsize_x, height = buttonsize_y,command = lambda:jogWrite('Z', '-1', increments),bd = BORDER)
zero_x = Button(root, text="zero X",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite(grbl,'G92', 'X' ),bd = BORDER)
zero_y = Button(root, text="zero Y",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite(grbl,'G92', 'Y' ),bd = BORDER)
zero_z = Button(root, text="zero Z",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite(grbl,'G92', 'Z' ),bd = BORDER)
zero_all =Button(root, text="zero All",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite(grbl,'G92', 'XYZ'),bd = BORDER)
zero_x = Button(root, text="zero X",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite('G92', 'X0' ),bd = BORDER)
zero_y = Button(root, text="zero Y",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite('G92', 'Y0' ),bd = BORDER)
zero_z = Button(root, text="zero Z",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite('G92', 'Z0' ),bd = BORDER)
zero_all =Button(root, text="zero All",width = buttonsize_x, height = buttonsize_y, command = lambda:zeroWrite('G92', 'G28.1'),bd = BORDER)
connect_ser = Button(root, text="Cnnct",width = buttonsize_x, height = buttonsize_y, command = grblConnect2, bg = 'grey',bd = BORDER)
discon_ser = Button(root, text="Dsconct",width = buttonsize_x, height = buttonsize_y, command = lambda:grblClose(grbl),bd = BORDER)
unlock = Button(root, text="Unlock",width = buttonsize_x, height = buttonsize_y, command = lambda:directWrite(grbl, '$X'),bd = BORDER)
start = Button(root, text="START",width = buttonsize_x, height = buttonsize_y, bg = '#A31621', command = lambda: grblWrite(grbl,GCODE),bd = BORDER)
discon_ser = Button(root, text="Dsconct",width = buttonsize_x, height = buttonsize_y, command = lambda:grblClose(),bd = BORDER)
unlock = Button(root, text="Unlock",width = buttonsize_x, height = buttonsize_y, command = lambda:directWrite('$X'),bd = BORDER)
start = Button(root, text="START",width = buttonsize_x, height = buttonsize_y, bg = '#A31621', command = lambda: threading.Thread(target = grblWrite).start(),bd = BORDER)
stop = Button(root, text="STOP",width = buttonsize_x, height = buttonsize_y,bd = BORDER)
pause = Button(root, text="PAUSE",width = buttonsize_x, height = buttonsize_y, bg = '#1F7A8C',bd = BORDER)
fopen = Button(root, text="GCODE",width = buttonsize_x , height = buttonsize_y, bg = 'grey', command = openGCODE,bd = BORDER)
spindle = Button(root, text="Spindle",width = buttonsize_x, height = buttonsize_y, bg = 'grey', command = lambda:latchWrite(grbl,'M3'))
coolant = Button(root, text="Coolant",width = buttonsize_x, height = buttonsize_y,command = lambda:latchWrite(grbl,'M8') )
tool = Button(root, text="Tool",width = buttonsize_x, height = buttonsize_y,command = lambda:latchWrite(grbl,'M6') )
macro = Button(root, text="Macro1",width = buttonsize_x, height = buttonsize_y,command = lambda:directWrite(grbl,' G90 G1 X10 Y10 Z50 F1000') )
spindle = Button(root, text="Spindle",width = buttonsize_x, height = buttonsize_y, bg = 'grey', command = lambda:latchWrite('M3'))
coolant = Button(root, text="Coolant",width = buttonsize_x, height = buttonsize_y,command = lambda:latchWrite('M8') )
tool = Button(root, text="Tool",width = buttonsize_x, height = buttonsize_y,command = lambda:latchWrite('M6') )
macro = Button(root, text="Macro1",width = buttonsize_x, height = buttonsize_y,command = lambda:directWrite(' G90 G0 X10 Y10 Z50 F1000') )
step_incr1 = Radiobutton(root, text= '0,1', value = 1 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
step_incr2 = Radiobutton(root, text= '1', value = 2 , variable = increments,width = buttonsize_x, height = buttonsize_y, indicatoron = 0 )
@ -258,7 +265,7 @@ step_incr4 = Radiobutton(root, text= '100', value = 4 , variable = increments,wi
step_incr2.select()
terminal = Entry(root, width =8, text="GCODE")
terminal_send = Button(root, text="SEND",width = buttonsize_x, height = buttonsize_y, bd= 3, command = lambda: terminalWrite(grbl))
terminal_send = Button(root, text="SEND",width = buttonsize_x, height = buttonsize_y, bd= 3, command = lambda: terminalWrite())
terminal_recv = Canvas(root, width = 200, height =400, bg = 'white')
show_ctrl_x_label = Label(root,text = "X")
@ -272,7 +279,7 @@ show_ctrl_x_w =Label(root, text = "X_POS_W", width = 8, height = 2, bg ='white',
show_ctrl_y_w =Label(root, text = "Y_POS_W", width = 8, height = 2, bg ='white', relief = SUNKEN)
show_ctrl_z_w =Label(root, text = "Z_POS_W", width = 8, height = 2, bg ='white', relief = SUNKEN)
show_ctrl_x.after(100, displayPosition)
#threading.Thread(target= displayPosition()).start()
feed_control = Scale(root, orient = HORIZONTAL, length = 400, label = "Feedrate",tickinterval = 20)
@ -293,7 +300,7 @@ for x in range(0,400,50):
movement.grid(row = 0, column = 0, columnspan = 3, rowspan = 1)
left.grid(row=1, column=0, padx=3, pady=2)
cancel.grid(row=0, column=0, padx=3, pady=2)
cancel.grid(row=0, column=2, padx=3, pady=2)
right.grid(row=1, column=2,padx=3, pady=2)
up.grid(row=0, column=1, padx=3, pady=10)
down.grid(row=1, column=1,padx=3, pady=2)