56 lines
1.4 KiB
Python
56 lines
1.4 KiB
Python
#Name: Pause at height
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#Info: Pause the printer at a certain height
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#Depend: GCode
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#Type: postprocess
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#Param: pauseLevel(float:5.0) Pause height (mm)
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#Param: parkX(float:190) Head park X (mm)
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#Param: parkY(float:190) Head park Y (mm)
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#Param: retractAmount(float:5) Retraction amount (mm)
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import re
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def getValue(line, key, default = None):
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if not key in line or (';' in line and line.find(key) > line.find(';')):
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return default
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subPart = line[line.find(key) + 1:]
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m = re.search('^[0-9]+\.?[0-9]*', subPart)
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if m == None:
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return default
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try:
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return float(m.group(0))
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except:
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return default
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with open(filename, "r") as f:
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lines = f.readlines()
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z = 0
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x = 0
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y = 0
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pauseState = 0
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with open(filename, "w") as f:
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for line in lines:
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if getValue(line, 'G', None) == 1:
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newZ = getValue(line, 'Z', z)
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x = getValue(line, 'X', x)
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y = getValue(line, 'Y', y)
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if newZ != z:
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z = newZ
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if z < pauseLevel and pauseState == 0:
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pauseState = 1
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if z >= pauseLevel and pauseState == 1:
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pauseState = 2
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#Retract
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f.write("M83\n")
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f.write("G1 E-%f F6000\n" % (retractAmount))
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#Move the head away
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f.write("G1 X%f Y%f F9000\n" % (parkX, parkY))
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#Wait till the user continues printing
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f.write("M0\n")
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#Move the head back
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f.write("G1 X%f Y%f F9000\n" % (x, y))
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f.write("G1 E%f F6000\n" % (retractAmount))
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f.write("G1 F9000\n")
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f.write("M82\n")
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f.write(line)
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