Files
flatcam-wsl/preprocessors/Paste_GRBL.py

254 lines
10 KiB
Python

# ##########################################################
# FlatCAM: 2D Post-processing for Manufacturing #
# http://flatcam.org #
# File Author: Marius Adrian Stanciu (c) #
# Date: 3/10/2019 #
# MIT Licence #
# ##########################################################
from appPreProcessor import AppPreProcTools
class Paste_GRBL(AppPreProcTools):
include_header = True
coordinate_format = "%.*f"
feedrate_format = '%.*f'
def start_code(self, p):
units = ' ' + str(p['units']).lower()
gcode = '(This preprocessor is used only with the SolderPaste Plugin and with MACH3-like controllers.)\n\n'
xmin = '%.*f' % (p.coords_decimals, p['obj_options']['xmin'])
xmax = '%.*f' % (p.coords_decimals, p['obj_options']['xmax'])
ymin = '%.*f' % (p.coords_decimals, p['obj_options']['ymin'])
ymax = '%.*f' % (p.coords_decimals, p['obj_options']['ymax'])
gcode += '\n(TOOLS DIAMETER: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Dia: %s' % str(val["tooldia"]) + units + ')\n'
gcode += '\n(MARGIN: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Margin: %s' % str(
val['data']["tools_solderpaste_margin"]) + ')\n'
gcode += '\n(FEEDRATE XY: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate XY: %s' % \
str(val['data']["tools_solderpaste_frxy"]) + units + '/min' + ')\n'
gcode += '\n(FEEDRATE RAPIDS: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate Rapids: %s' % \
str(val['data']["tools_solderpaste_fr_rapids"]) + units + '/min' + ')\n'
gcode += '\n(FEEDRATE Z: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate Z: %s' % \
str(val['data']["tools_solderpaste_frz"]) + units + '/min' + ')\n'
gcode += '\n(FEEDRATE Z_DISPENSE: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Feedrate Z_Dispense: %s' % \
str(val['data']["tools_solderpaste_frz_dispense"]) + units + '/min' + ')\n'
gcode += '\n(Z_DISPENSE START: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Z_Dispense_Start: %s' % str(
val['data']["tools_solderpaste_z_start"]) + units + ')\n'
gcode += '\n(Z_DISPENSE: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Z_Dispense: %s' % str(
val['data']["tools_solderpaste_z_dispense"]) + units + ')\n'
gcode += '\n(Z_DISPENSE STOP: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Z_Dispense_Stop: %s' % str(
val['data']["tools_solderpaste_z_stop"]) + units + ')\n'
gcode += '\n(Z_TRAVEL: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Z_Travel: %s' % str(
val['data']["tools_solderpaste_z_travel"]) + units + ')\n'
gcode += '\n(Z_TOOLCHANGE: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Z_Toolchange: %s' % str(
val['data']["tools_solderpaste_z_toolchange"]) + units + ')\n'
gcode += '\n(XY_TOOLCHANGE: )\n'
for tool, val in p['tools'].items():
xy_tc_coords = val['data']["tools_solderpaste_xy_toolchange"]
if isinstance(xy_tc_coords, str):
temp_val = xy_tc_coords.replace('[', '').replace(']', '')
coords_xy = [float(eval(a)) for a in temp_val.split(",") if a != '']
else:
coords_xy = xy_tc_coords
xy_coords_formatted = "%.*f, %.*f" % (p.decimals, coords_xy[0], p.decimals, coords_xy[1])
gcode += '(Tool: %s -> ' % str(tool) + 'X,Y Toolchange: %s' % xy_coords_formatted + units + ')\n'
gcode += '\n(Spindle Speed FWD: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Spindle Speed FWD: %s RPM' % str(
val['data']["tools_solderpaste_speedfwd"]) + units + ')\n'
gcode += '\n(Dwell FWD: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Dwell FWD: %s' % str(
val['data']["tools_solderpaste_dwellfwd"]) + units + ')\n'
gcode += '\n(Spindle Speed REV: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Spindle Speed REV: %s RPM' % str(
val['data']["tools_solderpaste_speedrev"]) + units + ')\n'
gcode += '\n(Dwell REV: )\n'
for tool, val in p['tools'].items():
gcode += '(Tool: %s -> ' % str(tool) + 'Dwell REV: %s' % str(
val['data']["tools_solderpaste_dwellrev"]) + units + ')\n'
if 'Paste' in p.pp_solderpaste_name:
gcode += '(Preprocessor SolderPaste Dispensing Geometry: ' + str(p.pp_solderpaste_name) + ')\n' + '\n'
gcode += '(X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + ')\n'
gcode += '(Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + ')\n\n'
gcode += ('G20\n' if p.units.upper() == 'IN' else 'G21\n')
gcode += 'G90\n'
gcode += 'G17\n'
gcode += 'G94\n'
return gcode
def lift_code(self, p):
return 'G01 Z' + self.coordinate_format % (p.coords_decimals, float(p['z_travel'])) + \
' F%s' % str(p['fr_rapids'])
def down_z_start_code(self, p):
return 'G01 Z' + self.coordinate_format % (p.coords_decimals, float(p['z_start'])) + ' F%s' % str(p['frz'])
def lift_z_dispense_code(self, p):
return 'G01 Z' + self.coordinate_format % (p.coords_decimals, float(p['z_dispense'])) + \
' F%s' % str(p['frz_dispense'])
def down_z_stop_code(self, p):
return 'G01 Z' + self.coordinate_format % (p.coords_decimals, float(p['z_stop'])) + ' F%s' % str(p['frz'])
def toolchange_code(self, p):
fr_rapids = float(p['fr_rapids'])
z_toolchange = float(p['z_toolchange'])
if isinstance(p['xy_toolchange'], str):
temp_val = p['xy_toolchange'].replace('[', '').replace(']', '')
toolchangexy = [float(eval(a)) for a in temp_val.split(",") if a != '']
else:
toolchangexy = p['xy_toolchange']
if toolchangexy is not None:
x_toolchange = toolchangexy[0]
y_toolchange = toolchangexy[1]
else:
x_toolchange = 0.0
y_toolchange = 0.0
toolC_formatted = '%.*f' % (p.decimals, float(p['toolC']))
if toolchangexy is not None:
gcode = """
(Toolchange: START)
G01 Z{z_toolchange} F{fr_rapids}
G01 X{x_toolchange} Y{y_toolchange} F{fr_rapids}
T{tool}
(MSG, Change to Tool with Nozzle Dia = {toolC})
M0
G01 Z{z_toolchange} F{fr_rapids}
""".format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
tool=int(int(p.tool)),
toolC=toolC_formatted,
fr_rapids=fr_rapids)
else:
gcode = """
(Toolchange: START)
G01 Z{z_toolchange} F{fr_rapids}
T{tool}
(MSG, Change to Tool with Nozzle Dia = {toolC})
M0
G01 Z{z_toolchange} F{fr_rapids}
""".format(z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
tool=int(int(p.tool)),
toolC=toolC_formatted,
fr_rapids=fr_rapids)
return gcode
def position_code(self, p):
# formula for skewing on x for example is:
# x_fin = x_init + y_init/slope where slope = p._bed_limit_y / p._bed_skew_x (a.k.a tangent)
if p._bed_skew_x == 0:
x_pos = p.x + p._bed_offset_x
else:
x_pos = (p.x + p._bed_offset_x) + ((p.y / p._bed_limit_y) * p._bed_skew_x)
if p._bed_skew_y == 0:
y_pos = p.y + p._bed_offset_y
else:
y_pos = (p.y + p._bed_offset_y) + ((p.x / p._bed_limit_x) * p._bed_skew_y)
return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
(p.coords_decimals, x_pos, p.coords_decimals, y_pos)
def rapid_code(self, p):
return ('G01 ' + self.position_code(p)).format(**p) + ' F%s' % str(p['fr_rapids']) + \
'\nG01 Z' + self.coordinate_format % (p.coords_decimals, float(p['z_travel'])) + \
' F%s' % str(p['fr_rapids'])
def linear_code(self, p):
return ('G01 ' + self.position_code(p)).format(**p) + ' F' + \
str(self.feedrate_format % (p.fr_decimals, float(p['frxy'])))
def end_code(self, p):
coords_xy = [float(eval(a)) for a in p['xy_end'].split(",") if a != '']
gcode = ('G01 Z' + self.feedrate_format % (p.fr_decimals, float(p['z_toolchange'])) +
'F%s' % str(p['fr_rapids']) + "\n")
if coords_xy and coords_xy != '':
gcode += 'G01 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + ' F%s' % str(p['fr_rapids']) + "\n"
return gcode
def feedrate_xy_code(self, p):
return ''
def z_feedrate_code(self, p):
return 'G01 F' + str(self.feedrate_format % (p.fr_decimals, float(p['frz'])))
def feedrate_z_dispense_code(self, p):
return 'G01 F' + str(self.feedrate_format % (p.fr_decimals, float(p['frz_dispense'])))
def spindle_fwd_code(self, p):
if p.spindlespeed:
return 'M03 S' + str(float(p['speedfwd']))
else:
return 'M03'
def spindle_rev_code(self, p):
if p.spindlespeed:
return 'M04 S' + str(float(p['speedrev']))
else:
return 'M04'
def spindle_off_code(self, p):
return 'M05'
def dwell_fwd_code(self, p):
if p.dwelltime:
return 'G4 P' + str(float(p['dwellfwd']))
def dwell_rev_code(self, p):
if p.dwelltime:
return 'G4 P' + str(float(p['dwellrev']))