# This file is part of the Printrun suite.
#
# Copyright 2013 Francesco Santini francesco.santini@gmail.com
#
# Printrun is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Printrun is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Printrun. If not, see <http://www.gnu.org/licenses/>.
#
# This code is imported from RepetierHost - Original copyright and license:
# Copyright 2011 repetier repetierdev@gmail.com
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import gcoder
class GCodeAnalyzer():
def __init__(self):
self.x = 0
self.y = 0
self.z = 0
self.e = 0
self.emax = 0
self.f = 1000
self.lastX = 0
self.lastY = 0
self.lastZ = 0
self.lastE = 0
self.xOffset = 0
self.yOffset = 0
self.zOffset = 0
self.eOffset = 0
self.lastZPrint = 0
self.layerZ = 0
self.imperial = False
self.relative = False
self.eRelative = False
self.homeX = 0
self.homeY = 0
self.homeZ = 0
self.maxX = 150
self.maxY = 150
self.maxZ = 150
self.minX = 0
self.minY = 0
self.minZ = 0
self.hasHomeX = False
self.hasHomeY = False
self.hasHomeZ = False
def Analyze(self, gcode):
gline = gcoder.Line(gcode)
split_raw = gcoder.split(gline)
if gline.command.startswith(";@"): return # code is a host command
gcoder.parse_coordinates(gline, split_raw, self.imperial)
code_g = int(gline.command[1:]) if gline.command.startswith("G") else None
code_m = int(gline.command[1:]) if gline.command.startswith("M") else None
#get movement codes
if gline.is_move:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_f = gline.f
if code_f is not None:
self.f = code_f
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
if self.relative:
if code_x is not None: self.x += code_x
if code_y is not None: self.y += code_y
if code_z is not None: self.z += code_z
if code_e is not None:
if code_e != 0:
self.e += code_e
else:
# absolute coordinates
if code_x is not None: self.x = self.xOffset + code_x
if code_y is not None: self.y = self.yOffset + code_y
if code_z is not None: self.z = self.zOffset + code_z
if code_e is not None:
if self.eRelative:
if code_e != 0:
self.e += code_e
else:
# e is absolute. Is it changed?
if self.e != self.eOffset + code_e:
self.e = self.eOffset + code_e
#limit checking
"""
if self.x < self.minX: self.x = self.minX
if self.y < self.minY: self.y = self.minY
if self.z < self.minZ: self.z = self.minZ
if self.x > self.maxX: self.x = self.maxX
if self.y > self.maxY: self.y = self.maxY
if self.z > self.maxZ: self.z = self.maxZ
"""
#Repetier has a bunch of limit-checking code here and time calculations: we are leaving them for now
elif code_g == 20: self.imperial = True
elif code_g == 21: self.imperial = False
elif code_g == 28 or code_g == 161:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
homeAll = False
if code_x is None and code_y is None and code_z is None: homeAll = True
if code_x is not None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.homeX
if code_y is not None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.homeY
if code_z is not None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.homeZ
if code_e is not None:
self.eOffset = 0
self.e = 0
elif code_g == 162:
self.lastX = self.x
self.lastY = self.y
self.lastZ = self.z
self.lastE = self.e
code_x = gline.x
code_y = gline.y
code_z = gline.z
homeAll = False
if code_x is None and code_y is None and code_z is None: homeAll = True
if code_x is not None or homeAll:
self.hasHomeX = True
self.xOffset = 0
self.x = self.maxX
if code_y is not None or homeAll:
self.hasHomeY = True
self.yOffset = 0
self.y = self.maxY
if code_z is not None or homeAll:
self.hasHomeZ = True
self.zOffset = 0
self.z = self.maxZ
elif code_g == 90: self.relative = False
elif code_g == 91: self.relative = True
elif code_g == 92:
code_x = gline.x
code_y = gline.y
code_z = gline.z
code_e = gline.e
if code_x is not None:
self.xOffset = self.x - float(code_x)
self.x = self.xOffset
if code_y is not None:
self.yOffset = self.y - float(code_y)
self.y = self.yOffset
if code_z is not None:
self.zOffset = self.z - float(code_z)
self.z = self.zOffset
if code_e is not None:
self.xOffset = self.e - float(code_e)
self.e = self.eOffset
#End code_g is not None
if code_m is not None:
if code_m == 82: self.eRelative = False
elif code_m == 83: self.eRelative = True
def print_status(self):
attrs = vars(self)
print '\n'.join("%s: %s" % item for item in attrs.items())