Add TFT Simulator tool to test ESP board with ESP3D without printer o cnc

This commit is contained in:
Luc 2024-09-07 14:34:19 +08:00
parent 78af070bb7
commit 6f6c1842ce
7 changed files with 1407 additions and 0 deletions

1
.gitignore vendored
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@ -10,3 +10,4 @@ embedded/node_modules
.vscode/launch.json
.vscode/arduino.json
esp3d/myconfig.h
__pycache__

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#!/usr/bin/python
#Common ESP3D snippets
import time
class bcolors:
COL_PURPLE = '\033[95m'
COL_BLUE = '\033[94m'
COL_CYAN = '\033[96m'
COL_GREEN = '\033[92m'
COL_ORANGE = '\033[93m'
COL_RED = '\033[91m'
END_COL = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
def current_milli_time():
return round(time.time() * 1000)
def wait(durationms, ser):
nowtime = current_milli_time()
while (current_milli_time() < nowtime + durationms):
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
print(bcolors.COL_BLUE+line+bcolors.END_COL)
def send_echo(ser, msg):
ser.write((msg + "\n").encode('utf-8'))
ser.flush()
print(bcolors.END_COL + msg + bcolors.END_COL)

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#!/usr/bin/python
import sys
import serial
import serial.tools.list_ports
import esp3d_common as common
import marlin
import grbl
import repetier
import smoothieware
def main():
if len(sys.argv) < 2:
print("Please use one of the follwowing FW: marlin, repetier, smoothieware or grbl.")
return
fw_name = sys.argv[1].lower()
if fw_name == "marlin":
fw = marlin
elif fw_name == "repetier":
fw = repetier
elif fw_name == "smoothieware":
fw = smoothieware
elif fw_name == "grbl":
fw = grbl
else:
print("Firmware not supported : {}".format(fw_name))
return
ports = serial.tools.list_ports.comports()
portTFT = ""
print(common.bcolors.COL_GREEN+"Serial ports detected: "+common.bcolors.END_COL)
for port, desc, hwid in sorted(ports):
print(common.bcolors.COL_GREEN+" - {}: {} ".format(port, desc)+common.bcolors.END_COL)
desc.capitalize()
if (desc.find("SERIAL") != -1):
portTFT = port
print(common.bcolors.COL_GREEN +
"Found " + portTFT + " for ESP3D"+common.bcolors.END_COL)
break
print(common.bcolors.COL_GREEN+"Open port " + str(port)+common.bcolors.END_COL)
if (portTFT == ""):
print(common.bcolors.COL_RED+"No serial port found"+common.bcolors.END_COL)
exit(0)
ser = serial.Serial(portTFT, 115200)
print(common.bcolors.COL_GREEN+"Now Simulating: " + fw_name + common.bcolors.END_COL)
starttime = common.current_milli_time()
# loop forever, just unplug the port to stop the program or do ctrl-c
while True:
try:
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
print(common.bcolors.COL_BLUE+line+common.bcolors.END_COL)
#ignore log lines from TFT
if not line.startswith("["):
response = fw.processLine(line, ser)
if (response != ""):
common.send_echo(ser, response)
except KeyboardInterrupt:
print(common.bcolors.COL_GREEN+"End of program"+common.bcolors.END_COL)
exit(0)
# call main function
main()

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tools/fw_simulator/grbl.py Normal file
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#!/usr/bin/python
# Marlin GCODE parser / responder
import time
import re
import random
import esp3d_common as common
positions = {
"X": 0.0,
"Y": 0.0,
"Z": 0.0,
"A": 0.0,
"B": 0.0,
"C": 0.0
}
modes = {
"absolute": True
}
report_counter = 0
def wait(durationms, ser):
nowtime = common.current_milli_time()
while (common.current_milli_time() < nowtime + durationms):
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
print(common.bcolors.COL_PURPLE+line+common.bcolors.END_COL)
def ok(line):
if (not line.startswith("N")):
return "ok (" + line + ")"
N = re.findall(r'N\d*', line)
if (len(N) > 0):
return "ok " + N[0][1:]
# build the response for the busy response,
# simulating the delay of the busy response
def send_busy(ser, nb):
v = nb
while (v > 0):
# FIXME: the message is not this one on grbl
# common.send_echo(ser, "echo:busy: processing")
wait(1000, ser)
v = v - 1
# G0/G1 response
def G0_G1_response(cmd, line, ser):
global positions
X_val = ""
Y_val = ""
Z_val = ""
A_val = ""
B_val = ""
C_val = ""
# extract X
X = re.findall(r'X[+]*[-]*\d+[\.]*\d*', cmd)
if (len(X) > 0):
X_val = X[0][1:]
# extract Y
Y = re.findall(r'Y[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Y) > 0):
Y_val = Y[0][1:]
# extract Z
Z = re.findall(r'Z[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Z) > 0):
Z_val = Z[0][1:]
# extract A
A = re.findall(r'A[+]*[-]*\d+[\.]*\d*', cmd)
if (len(A) > 0):
A_val = A[0][1:]
# extract B
B = re.findall(r'B[+]*[-]*\d+[\.]*\d*', cmd)
if (len(B) > 0):
B_val = B[0][1:]
# extract C
C = re.findall(r'C[+]*[-]*\d+[\.]*\d*', cmd)
if (len(C) > 0):
C_val = C[0][1:]
if (modes["absolute"]):
if (X_val != ""):
positions["X"] = float(X_val)
if (Y_val != ""):
positions["Y"] = float(Y_val)
if (Z_val != ""):
positions["Z"] = float(Z_val)
if (A_val!= ""):
positions["A"] = float(A_val)
if (B_val!= ""):
positions["B"] = float(B_val)
if (C_val!= ""):
positions["C"] = float(C_val)
return ok(line)
else:
if (X_val != ""):
positions["X"] += float(X_val)
if (Y_val != ""):
positions["Y"] += float(Y_val)
if (Z_val != ""):
positions["Z"] += float(Z_val)
if (A_val!= ""):
positions["A"] += float(A_val)
if (B_val!= ""):
positions["B"] += float(B_val)
if (C_val!= ""):
positions["C"] += float(C_val)
return ok(line)
# $H response
def Home_response(cmd, line, ser):
global positions
send_busy(ser, 3)
if (cmd.find("X") != -1):
positions["X"] = 0.00
if (cmd.find("Y") != -1):
positions["Y"] = 0.00
if (cmd.find("Z") != -1):
positions["Z"] = 0.00
if (cmd.find("A")!= -1):
positions["A"] = 0.00
if (cmd.find("B")!= -1):
positions["B"] = 0.00
if (cmd.find("C")!= -1):
positions["C"] = 0.00
if (cmd == "G28"):
positions["X"] = 0.00
positions["Y"] = 0.00
positions["Z"] = 0.00
positions["A"] = 0.00
positiones["B"] = 0.00
positions["C"] = 0.00
return ok(line)
# Absolute mode
def G90_response(cmd, line, ser):
global modes
modes["absolute"] = True
return ok(line)
# Relative mode
def G91_response(cmd, line, ser):
global modes
modes["absolute"] = False
return ok(line)
def Jog_response(cmd, line, ser):
if (cmd.find("G91")!= -1):
G91_response(cmd, line, ser)
elif (cmd.find("G90")!= -1):
G90_response(cmd, line, ser)
cmd = cmd.replace("G90", "")
cmd = cmd.replace("G91", "")
cmd = cmd.replace("G21", "")
cmd = cmd.strip()
return G0_G1_response(cmd, line, ser)
# status response
# "<Idle|MPos:0.000,0.000,0.000,1.000,1.000|FS:0,0|WCO:0.000,0.000,0.000,1.000,1.000>\n"
# "<Idle|MPos:0.000,0.000,0.000,1.000,1.000|FS:0,0|A:S|Pn:P>\n"
# "<Idle|MPos:0.000,0.000,0.000,1.000,1.000|FS:0,0|Ov:100,100,100|Pn:XYZ>\n"
def status_response(cmd, line, ser):
global positions
global report_counter
wpco = ""
ov = ""
fs = "|FS:0,0"
astate = ""
pn = ""
status = "Idle"
report_counter += 1
if report_counter == 11:
report_counter = 1
if report_counter == 1:
wpco = "|WCO:0.000,0.000,0.000,1.000,1.000,1.000"
if report_counter == 2:
#FIXME: use variable to report the override values
ov = "|Ov:100,100,100"
pn = "|Pn:XYZ"
if report_counter >= 3:
astate = "|A:S"
pn = "|Pn:P"
position = "|MPos:" + "{:.3f}".format(positions["X"]) + "," + "{:.3f}".format(
positions["Y"]) + "," + "{:.3f}".format(positions["Z"]) + "," + "{:.3f}".format(positions["A"]) + "," + "{:.3f}".format(positions["B"]) + "," + "{:.3f}".format(positions["C"])
return "<" + status + position + fs + wpco + ov + astate + pn + ">\n"
# List of supported methods
methods = [
{"str": "G0", "fn": G0_G1_response},
{"str": "G1", "fn": G0_G1_response},
{"str": "$H", "fn": Home_response},
{"str": "$J=", "fn": Jog_response},
{"str": "G90", "fn": G90_response},
{"str": "G91", "fn": G91_response},
{"str": "?", "fn": status_response},
]
# Process a line of GCODE
def processLine(line, ser):
time.sleep(0.01)
cmd = line
if (line.startswith("N")):
p = line.find(' ')
cmd = line[p+1:]
p = cmd.rfind('*')
cmd = cmd[:p]
global methods
for method in methods:
if cmd.startswith(method["str"]):
return method["fn"](cmd, line, ser)
if line.startswith("M") or line.startswith("G") or line.startswith("N") or line.startswith("$"):
return ok(line)
if line.find("[esp") != -1 or line.find("[0;") != -1 or line.find("[1;") != -1:
return ""
if line.startswith("ESP-ROM") or line.startswith("Build:") or line.startswith("SPIWP:") or line.startswith("mode:")or line.startswith("load:") or line.startswith("entry "):
return ""
#FIXME: this is not grbl response if the command is not recognized
return "echo:Unknown command: \"" + line + "\"\nok"

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#!/usr/bin/python
# Marlin GCODE parser / responder
import time
import re
import random
import esp3d_common as common
positions = {
"X": 0.0,
"Y": 0.0,
"Z": 0.0
}
temperatures = {
"E0": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.6,
"coolspeed": 0.8,
"variation": 0.5
},
"B": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.2,
"coolspeed": 0.8,
"variation": 0.5
}
}
modes = {
"absolute": True
}
stop_heating = False
def wait(durationms, ser):
global stop_heating
nowtime = common.current_milli_time()
while (common.current_milli_time() < nowtime + durationms):
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
if line=="M108":
stop_heating = True
print(common.bcolors.COL_PURPLE+line+common.bcolors.END_COL)
def ok(line):
if (not line.startswith("N")):
return "ok (" + line + ")"
N = re.findall(r'N\d*', line)
if (len(N) > 0):
return "ok " + N[0][1:]
# Update the temperatures according context
def updateTemperatures(entry, timestp):
global temperatures
roomtemp = 20.0
v = random.random()*5
target = temperatures[entry]["target"]
if target == 0:
target = roomtemp
if (temperatures[entry]["value"] == 0):
temperatures[entry]["value"] = roomtemp + v / 2
if (temperatures[entry]["lastTime"] == -1):
temperatures[entry]["lastTime"] = timestp
if temperatures[entry]["value"] + 5 < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
(temperatures[entry]["heatspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif temperatures[entry]["value"] - 5 > target:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
(temperatures[entry]["coolspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif target - 2 < temperatures[entry]["value"] and temperatures[entry]["value"] < target + 2:
temperatures[entry]["value"] = target + \
temperatures[entry]["variation"] * (random.random() - 0.5)
elif temperatures[entry]["value"] < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
((temperatures[entry]["heatspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
else:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
((temperatures[entry]["coolspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
temperatures[entry]["lastTime"] = timestp
# build the response for the temperature
def generateTemperatureResponse(withok):
global temperatures
response = " "
if (withok):
response = "ok "
response += "T:" + "{:.2f}".format(temperatures["E0"]["value"]) + " /" + "{:.2f}".format(temperatures["E0"]["target"]) + " B:" + "{:.2f}".format(
temperatures["B"]["value"]) + " /" + "{:.2f}".format(temperatures["B"]["target"]) + " @:127 B@:0"
return response
# build the response for the busy response,
# simulating the delay of the busy response
def send_busy(ser, nb):
v = nb
while (v > 0):
common.send_echo(ser, "echo:busy: processing")
wait(1000, ser)
v = v - 1
# G0/G1 response
def G0_G1_response(cmd,line,ser):
global positions
X_val = ""
Y_val = ""
Z_val = ""
# extract X
X = re.findall(r'X[+]*[-]*\d+[\.]*\d*', cmd)
if (len(X) > 0):
X_val = X[0][1:]
# extract Y
Y = re.findall(r'Y[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Y) > 0):
Y_val = Y[0][1:]
# extract Z
Z = re.findall(r'Z[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Z) > 0):
Z_val = Z[0][1:]
if (modes["absolute"]):
if (X_val != ""):
positions["X"] = float(X_val)
if (Y_val != ""):
positions["Y"] = float(Y_val)
if (Z_val != ""):
positions["Z"] = float(Z_val)
return ok(line)
else:
if (X_val != ""):
positions["X"] += float(X_val)
if (Y_val != ""):
positions["Y"] += float(Y_val)
if (Z_val != ""):
positions["Z"] += float(Z_val)
return ok(line)
# G28 response
def G28_response(cmd,line,ser):
global positions
send_busy(ser, 3)
if (cmd.find("X") != -1):
positions["X"] = 0.00
if (cmd.find("Y") != -1):
positions["Y"] = 0.00
if (cmd.find("Z") != -1):
positions["Z"] = 0.00
if (cmd == "G28"):
positions["X"] = 0.00
positions["Y"] = 0.00
positions["Z"] = 0.00
return ok(line)
# G29 V4 response
def G29_V4_response(cmd,line,ser):
common.send_echo(ser, " G29 Auto Bed Leveling")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 50.000 Z: 0.000")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 50.000 Z: 0.016")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 50.000 Z: -0.013")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 50.000 Z: -0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 133.000 Z: -0.005")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 133.000 Z: -0.041")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 133.000 Z: -0.031")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 133.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 216.000 Z: -0.050")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 216.000 Z: 0.055")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 216.000 Z: 0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 216.000 Z: 0.026")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 299.000 Z: -0.018")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 299.000 Z: -0.064")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 299.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 299.000 Z: -0.046")
send_busy(ser, 3)
common.send_echo(ser, "Bilinear Leveling Grid:")
common.send_echo(ser, " 0 1 2 3")
common.send_echo(ser, " 0 +0.0000 +0.0162 -0.0125 -0.0512")
common.send_echo(ser, " 1 -0.0363 -0.0313 -0.0412 -0.0050")
common.send_echo(ser, " 2 -0.0500 +0.0550 +0.0512 +0.0262")
common.send_echo(ser, " 3 -0.0463 -0.0363 -0.0638 -0.0175")
return ok(line)
# Absolute mode
def G90_response(cmd,line,ser):
global modes
modes["absolute"] = True
return ok(line)
# Relative mode
def G91_response(cmd,line,ser):
global modes
modes["absolute"] = False
return ok(line)
# M104 extruder control not waiting
def M104_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["E0"]["target"] = float(targettemp[0][1:])
return ok(line)
# M105 temperatures query
def M105_response(cmd,line,ser):
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(True)
return val
# M106 fan control
def M106_response(cmd,line,ser):
return line+"\nok"
# M107 fan stop
def M107_response(cmd,line,ser):
if (len(val) > 0):
return "M106 P" + val[0][1:] + " S0\nok"
else:
return "M106 P0 S0\nok"
# M109 extruder control waiting
def M109_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
stop_heating = False
temperatures["E0"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["E0"]["target"] != 0):
target = temperatures["E0"]["target"]
while ( temperatures["E0"]["value"] < target-2 or temperatures["E0"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["E0"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M114 Positions query
def M114_response(cmd,line,ser):
global positions
val = "X:" + "{:.2f}".format(positions["X"]) + " Y:" + "{:.2f}".format(
positions["Y"]) + " Z:" + "{:.2f}".format(positions["Z"])+" E:0.00 Count X:0 Y:0 Z:0\nok"
return val
# M140 bed control not waiting
def M140_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
return ok(line)
# M190 bed control waiting
def M190_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["B"]["target"] != 0):
target = temperatures["B"]["target"]
stop_heating = False
while (temperatures["B"]["value"] < target-2 or temperatures["B"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["B"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M220 response
def M220_response(cmd,line,ser):
val = re.findall(r'S\d+', cmd)
if (len(val) > 0):
F_R = val[0][1:]
return "FR:"+F_R+"%\nok"
return ok(line)
# List of supported methods
methods = [
{"str": "G0", "fn": G0_G1_response},
{"str": "G1", "fn": G0_G1_response},
{"str": "G28", "fn": G28_response},
{"str": "G29 V4", "fn": G29_V4_response},
{"str": "G90", "fn": G90_response},
{"str": "G91", "fn": G91_response},
{"str": "M104", "fn": M104_response},
{"str": "M105", "fn": M105_response},
{"str": "M106", "fn": M106_response},
{"str": "M107", "fn": M107_response},
{"str": "M109", "fn": M109_response},
{"str": "M114", "fn": M114_response},
{"str": "M140", "fn": M140_response},
{"str": "M190", "fn": M190_response},
{"str": "M220", "fn": M220_response},
]
# Process a line of GCODE
def processLine(line,ser):
time.sleep(0.01)
cmd = line
if (line.startswith("N")):
p = line.find(' ')
cmd = line[p+1:]
p = cmd.rfind('*')
cmd = cmd[:p]
global methods
for method in methods:
if cmd.startswith(method["str"]):
return method["fn"](cmd,line,ser)
if line.startswith("M") or line.startswith("G") or line.startswith("N"):
return ok(line)
if line.find("[esp")!=-1 or line.find("[0;")!=-1 or line.find("[1;")!=-1:
return ""
return "echo:Unknown command: \"" + line + "\"\nok"

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#!/usr/bin/python
# Marlin GCODE parser / responder
import time
import re
import random
import esp3d_common as common
positions = {
"X": 0.0,
"Y": 0.0,
"Z": 0.0
}
temperatures = {
"E0": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.6,
"coolspeed": 0.8,
"variation": 0.5
},
"B": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.2,
"coolspeed": 0.8,
"variation": 0.5
}
}
modes = {
"absolute": True
}
stop_heating = False
def wait(durationms, ser):
global stop_heating
nowtime = common.current_milli_time()
while (common.current_milli_time() < nowtime + durationms):
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
if line=="M108":
stop_heating = True
print(common.bcolors.COL_PURPLE+line+common.bcolors.END_COL)
def ok(line):
if (not line.startswith("N")):
return "ok (" + line + ")"
N = re.findall(r'N\d*', line)
if (len(N) > 0):
return "ok " + N[0][1:]
# Update the temperatures according context
def updateTemperatures(entry, timestp):
global temperatures
roomtemp = 20.0
v = random.random()*5
target = temperatures[entry]["target"]
if target == 0:
target = roomtemp
if (temperatures[entry]["value"] == 0):
temperatures[entry]["value"] = roomtemp + v / 2
if (temperatures[entry]["lastTime"] == -1):
temperatures[entry]["lastTime"] = timestp
if temperatures[entry]["value"] + 5 < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
(temperatures[entry]["heatspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif temperatures[entry]["value"] - 5 > target:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
(temperatures[entry]["coolspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif target - 2 < temperatures[entry]["value"] and temperatures[entry]["value"] < target + 2:
temperatures[entry]["value"] = target + \
temperatures[entry]["variation"] * (random.random() - 0.5)
elif temperatures[entry]["value"] < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
((temperatures[entry]["heatspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
else:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
((temperatures[entry]["coolspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
temperatures[entry]["lastTime"] = timestp
# build the response for the temperature
def generateTemperatureResponse(withok):
global temperatures
response = " "
if (withok):
response = "ok "
response += "T:" + "{:.2f}".format(temperatures["E0"]["value"]) + " /" + "{:.2f}".format(temperatures["E0"]["target"]) + " B:" + "{:.2f}".format(
temperatures["B"]["value"]) + " /" + "{:.2f}".format(temperatures["B"]["target"]) + " @:127 B@:0"
return response
# build the response for the busy response,
# simulating the delay of the busy response
def send_busy(ser, nb):
v = nb
while (v > 0):
common.send_echo(ser, "echo:busy: processing")
wait(1000, ser)
v = v - 1
# G0/G1 response
def G0_G1_response(cmd,line,ser):
global positions
X_val = ""
Y_val = ""
Z_val = ""
# extract X
X = re.findall(r'X[+]*[-]*\d+[\.]*\d*', cmd)
if (len(X) > 0):
X_val = X[0][1:]
# extract Y
Y = re.findall(r'Y[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Y) > 0):
Y_val = Y[0][1:]
# extract Z
Z = re.findall(r'Z[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Z) > 0):
Z_val = Z[0][1:]
if (modes["absolute"]):
if (X_val != ""):
positions["X"] = float(X_val)
if (Y_val != ""):
positions["Y"] = float(Y_val)
if (Z_val != ""):
positions["Z"] = float(Z_val)
return ok(line)
else:
if (X_val != ""):
positions["X"] += float(X_val)
if (Y_val != ""):
positions["Y"] += float(Y_val)
if (Z_val != ""):
positions["Z"] += float(Z_val)
return ok(line)
# G28 response
def G28_response(cmd,line,ser):
global positions
send_busy(ser, 3)
if (cmd.find("X") != -1):
positions["X"] = 0.00
if (cmd.find("Y") != -1):
positions["Y"] = 0.00
if (cmd.find("Z") != -1):
positions["Z"] = 0.00
if (cmd == "G28"):
positions["X"] = 0.00
positions["Y"] = 0.00
positions["Z"] = 0.00
return ok(line)
# G29 V4 response
def G29_V4_response(cmd,line,ser):
common.send_echo(ser, " G29 Auto Bed Leveling")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 50.000 Z: 0.000")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 50.000 Z: 0.016")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 50.000 Z: -0.013")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 50.000 Z: -0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 133.000 Z: -0.005")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 133.000 Z: -0.041")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 133.000 Z: -0.031")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 133.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 216.000 Z: -0.050")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 216.000 Z: 0.055")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 216.000 Z: 0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 216.000 Z: 0.026")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 299.000 Z: -0.018")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 299.000 Z: -0.064")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 299.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 299.000 Z: -0.046")
send_busy(ser, 3)
common.send_echo(ser, "Bilinear Leveling Grid:")
common.send_echo(ser, " 0 1 2 3")
common.send_echo(ser, " 0 +0.0000 +0.0162 -0.0125 -0.0512")
common.send_echo(ser, " 1 -0.0363 -0.0313 -0.0412 -0.0050")
common.send_echo(ser, " 2 -0.0500 +0.0550 +0.0512 +0.0262")
common.send_echo(ser, " 3 -0.0463 -0.0363 -0.0638 -0.0175")
return ok(line)
# Absolute mode
def G90_response(cmd,line,ser):
global modes
modes["absolute"] = True
return ok(line)
# Relative mode
def G91_response(cmd,line,ser):
global modes
modes["absolute"] = False
return ok(line)
# M104 extruder control not waiting
def M104_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["E0"]["target"] = float(targettemp[0][1:])
return ok(line)
# M105 temperatures query
def M105_response(cmd,line,ser):
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(True)
return val
# M106 fan control
def M106_response(cmd,line,ser):
return line+"\nok"
# M107 fan stop
def M107_response(cmd,line,ser):
if (len(val) > 0):
return "M106 P" + val[0][1:] + " S0\nok"
else:
return "M106 P0 S0\nok"
# M109 extruder control waiting
def M109_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
stop_heating = False
temperatures["E0"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["E0"]["target"] != 0):
target = temperatures["E0"]["target"]
while ( temperatures["E0"]["value"] < target-2 or temperatures["E0"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["E0"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M114 Positions query
def M114_response(cmd,line,ser):
global positions
val = "X:" + "{:.2f}".format(positions["X"]) + " Y:" + "{:.2f}".format(
positions["Y"]) + " Z:" + "{:.2f}".format(positions["Z"])+" E:0.00 Count X:0 Y:0 Z:0\nok"
return val
# M140 bed control not waiting
def M140_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
return ok(line)
# M190 bed control waiting
def M190_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["B"]["target"] != 0):
target = temperatures["B"]["target"]
stop_heating = False
while (temperatures["B"]["value"] < target-2 or temperatures["B"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["B"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M220 response
def M220_response(cmd,line,ser):
val = re.findall(r'S\d+', cmd)
if (len(val) > 0):
F_R = val[0][1:]
return "FR:"+F_R+"%\nok"
return ok(line)
# List of supported methods
methods = [
{"str": "G0", "fn": G0_G1_response},
{"str": "G1", "fn": G0_G1_response},
{"str": "G28", "fn": G28_response},
{"str": "G29 V4", "fn": G29_V4_response},
{"str": "G90", "fn": G90_response},
{"str": "G91", "fn": G91_response},
{"str": "M104", "fn": M104_response},
{"str": "M105", "fn": M105_response},
{"str": "M106", "fn": M106_response},
{"str": "M107", "fn": M107_response},
{"str": "M109", "fn": M109_response},
{"str": "M114", "fn": M114_response},
{"str": "M140", "fn": M140_response},
{"str": "M190", "fn": M190_response},
{"str": "M220", "fn": M220_response},
]
# Process a line of GCODE
def processLine(line,ser):
time.sleep(0.01)
cmd = line
if (line.startswith("N")):
p = line.find(' ')
cmd = line[p+1:]
p = cmd.rfind('*')
cmd = cmd[:p]
global methods
for method in methods:
if cmd.startswith(method["str"]):
return method["fn"](cmd,line,ser)
if line.startswith("M") or line.startswith("G") or line.startswith("N"):
return ok(line)
if line.find("[esp")!=-1 or line.find("[0;")!=-1 or line.find("[1;")!=-1:
return ""
return "echo:Unknown command: \"" + line + "\"\nok"

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#!/usr/bin/python
# Marlin GCODE parser / responder
import time
import re
import random
import esp3d_common as common
positions = {
"X": 0.0,
"Y": 0.0,
"Z": 0.0
}
temperatures = {
"E0": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.6,
"coolspeed": 0.8,
"variation": 0.5
},
"B": {
"value": 0.0,
"target": 0.0,
"lastTime": -1,
"heatspeed": 0.2,
"coolspeed": 0.8,
"variation": 0.5
}
}
modes = {
"absolute": True
}
stop_heating = False
def wait(durationms, ser):
global stop_heating
nowtime = common.current_milli_time()
while (common.current_milli_time() < nowtime + durationms):
if ser.in_waiting:
line = ser.readline().decode('utf-8').strip()
if line=="M108":
stop_heating = True
print(common.bcolors.COL_PURPLE+line+common.bcolors.END_COL)
def ok(line):
if (not line.startswith("N")):
return "ok (" + line + ")"
N = re.findall(r'N\d*', line)
if (len(N) > 0):
return "ok " + N[0][1:]
# Update the temperatures according context
def updateTemperatures(entry, timestp):
global temperatures
roomtemp = 20.0
v = random.random()*5
target = temperatures[entry]["target"]
if target == 0:
target = roomtemp
if (temperatures[entry]["value"] == 0):
temperatures[entry]["value"] = roomtemp + v / 2
if (temperatures[entry]["lastTime"] == -1):
temperatures[entry]["lastTime"] = timestp
if temperatures[entry]["value"] + 5 < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
(temperatures[entry]["heatspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif temperatures[entry]["value"] - 5 > target:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
(temperatures[entry]["coolspeed"] *
(timestp - temperatures[entry]["lastTime"])) / 1000
elif target - 2 < temperatures[entry]["value"] and temperatures[entry]["value"] < target + 2:
temperatures[entry]["value"] = target + \
temperatures[entry]["variation"] * (random.random() - 0.5)
elif temperatures[entry]["value"] < target:
temperatures[entry]["value"] = temperatures[entry]["value"] + \
((temperatures[entry]["heatspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
else:
temperatures[entry]["value"] = temperatures[entry]["value"] - \
((temperatures[entry]["coolspeed"]/3) *
(timestp - temperatures[entry]["lastTime"])) / 1000
temperatures[entry]["lastTime"] = timestp
# build the response for the temperature
def generateTemperatureResponse(withok):
global temperatures
response = " "
if (withok):
response = "ok "
response += "T:" + "{:.2f}".format(temperatures["E0"]["value"]) + " /" + "{:.2f}".format(temperatures["E0"]["target"]) + " B:" + "{:.2f}".format(
temperatures["B"]["value"]) + " /" + "{:.2f}".format(temperatures["B"]["target"]) + " @:127 B@:0"
return response
# build the response for the busy response,
# simulating the delay of the busy response
def send_busy(ser, nb):
v = nb
while (v > 0):
common.send_echo(ser, "echo:busy: processing")
wait(1000, ser)
v = v - 1
# G0/G1 response
def G0_G1_response(cmd,line,ser):
global positions
X_val = ""
Y_val = ""
Z_val = ""
# extract X
X = re.findall(r'X[+]*[-]*\d+[\.]*\d*', cmd)
if (len(X) > 0):
X_val = X[0][1:]
# extract Y
Y = re.findall(r'Y[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Y) > 0):
Y_val = Y[0][1:]
# extract Z
Z = re.findall(r'Z[+]*[-]*\d+[\.]*\d*', cmd)
if (len(Z) > 0):
Z_val = Z[0][1:]
if (modes["absolute"]):
if (X_val != ""):
positions["X"] = float(X_val)
if (Y_val != ""):
positions["Y"] = float(Y_val)
if (Z_val != ""):
positions["Z"] = float(Z_val)
return ok(line)
else:
if (X_val != ""):
positions["X"] += float(X_val)
if (Y_val != ""):
positions["Y"] += float(Y_val)
if (Z_val != ""):
positions["Z"] += float(Z_val)
return ok(line)
# G28 response
def G28_response(cmd,line,ser):
global positions
send_busy(ser, 3)
if (cmd.find("X") != -1):
positions["X"] = 0.00
if (cmd.find("Y") != -1):
positions["Y"] = 0.00
if (cmd.find("Z") != -1):
positions["Z"] = 0.00
if (cmd == "G28"):
positions["X"] = 0.00
positions["Y"] = 0.00
positions["Z"] = 0.00
return ok(line)
# G29 V4 response
def G29_V4_response(cmd,line,ser):
common.send_echo(ser, " G29 Auto Bed Leveling")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 50.000 Z: 0.000")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 50.000 Z: 0.016")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 50.000 Z: -0.013")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 50.000 Z: -0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 133.000 Z: -0.005")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 133.000 Z: -0.041")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 133.000 Z: -0.031")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 133.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 216.000 Z: -0.050")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 216.000 Z: 0.055")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 216.000 Z: 0.051")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 216.000 Z: 0.026")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 299.000 Y: 299.000 Z: -0.018")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 216.000 Y: 299.000 Z: -0.064")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 133.000 Y: 299.000 Z: -0.036")
send_busy(ser, 3)
common.send_echo(ser, "Bed X: 50.000 Y: 299.000 Z: -0.046")
send_busy(ser, 3)
common.send_echo(ser, "Bilinear Leveling Grid:")
common.send_echo(ser, " 0 1 2 3")
common.send_echo(ser, " 0 +0.0000 +0.0162 -0.0125 -0.0512")
common.send_echo(ser, " 1 -0.0363 -0.0313 -0.0412 -0.0050")
common.send_echo(ser, " 2 -0.0500 +0.0550 +0.0512 +0.0262")
common.send_echo(ser, " 3 -0.0463 -0.0363 -0.0638 -0.0175")
return ok(line)
# Absolute mode
def G90_response(cmd,line,ser):
global modes
modes["absolute"] = True
return ok(line)
# Relative mode
def G91_response(cmd,line,ser):
global modes
modes["absolute"] = False
return ok(line)
# M104 extruder control not waiting
def M104_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["E0"]["target"] = float(targettemp[0][1:])
return ok(line)
# M105 temperatures query
def M105_response(cmd,line,ser):
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(True)
return val
# M106 fan control
def M106_response(cmd,line,ser):
return line+"\nok"
# M107 fan stop
def M107_response(cmd,line,ser):
if (len(val) > 0):
return "M106 P" + val[0][1:] + " S0\nok"
else:
return "M106 P0 S0\nok"
# M109 extruder control waiting
def M109_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
stop_heating = False
temperatures["E0"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["E0"]["target"] != 0):
target = temperatures["E0"]["target"]
while ( temperatures["E0"]["value"] < target-2 or temperatures["E0"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["E0"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M114 Positions query
def M114_response(cmd,line,ser):
global positions
val = "X:" + "{:.2f}".format(positions["X"]) + " Y:" + "{:.2f}".format(
positions["Y"]) + " Z:" + "{:.2f}".format(positions["Z"])+" E:0.00 Count X:0 Y:0 Z:0\nok"
return val
# M140 bed control not waiting
def M140_response(cmd,line,ser):
global temperatures
targettemp = re.findall(r'S\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
return ok(line)
# M190 bed control waiting
def M190_response(cmd,line,ser):
global temperatures
global stop_heating
targettemp = re.findall(r'[SR]\d+[\.]*\d*', cmd)
if (len(targettemp) > 0):
temperatures["B"]["target"] = float(targettemp[0][1:])
target = 20.0
if (temperatures["B"]["target"] != 0):
target = temperatures["B"]["target"]
stop_heating = False
while (temperatures["B"]["value"] < target-2 or temperatures["B"]["value"] > target+2):
send_busy(ser, 1)
if stop_heating:
stop_heating = False
temperatures["B"]["target"] = 0.0
return ok(line) + "\nok"
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
ser.flush()
wait(1000, ser)
updateTemperatures("E0", common.current_milli_time())
updateTemperatures("B", common.current_milli_time())
val = generateTemperatureResponse(False)
common.send_echo(ser, val)
return ok(line)
# M220 response
def M220_response(cmd,line,ser):
val = re.findall(r'S\d+', cmd)
if (len(val) > 0):
F_R = val[0][1:]
return "FR:"+F_R+"%\nok"
return ok(line)
# List of supported methods
methods = [
{"str": "G0", "fn": G0_G1_response},
{"str": "G1", "fn": G0_G1_response},
{"str": "G28", "fn": G28_response},
{"str": "G29 V4", "fn": G29_V4_response},
{"str": "G90", "fn": G90_response},
{"str": "G91", "fn": G91_response},
{"str": "M104", "fn": M104_response},
{"str": "M105", "fn": M105_response},
{"str": "M106", "fn": M106_response},
{"str": "M107", "fn": M107_response},
{"str": "M109", "fn": M109_response},
{"str": "M114", "fn": M114_response},
{"str": "M140", "fn": M140_response},
{"str": "M190", "fn": M190_response},
{"str": "M220", "fn": M220_response},
]
# Process a line of GCODE
def processLine(line,ser):
time.sleep(0.01)
cmd = line
if (line.startswith("N")):
p = line.find(' ')
cmd = line[p+1:]
p = cmd.rfind('*')
cmd = cmd[:p]
global methods
for method in methods:
if cmd.startswith(method["str"]):
return method["fn"](cmd,line,ser)
if line.startswith("M") or line.startswith("G") or line.startswith("N"):
return ok(line)
if line.find("[esp")!=-1 or line.find("[0;")!=-1 or line.find("[1;")!=-1:
return ""
return "echo:Unknown command: \"" + line + "\"\nok"