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gcode: Add support for M220 (set speed factor) g-code command 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-12-21 20:53:44 -05:00
parent b22a81cd34
commit 5db4886c9c
1 changed files with 11 additions and 4 deletions
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15
klippy/gcode.py
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@ -43,6 +43,7 @@ class GCodeParser:
self.base_position = [0.0, 0.0, 0.0, 0.0]
self.last_position = [0.0, 0.0, 0.0, 0.0]
self.homing_add = [0.0, 0.0, 0.0, 0.0]
self.speed_factor = 1. / 60.
# G-Code state
self.need_ack = False
self.toolhead = self.fan = self.extruder = None
@ -104,10 +105,10 @@ class GCodeParser:
out.append(
"gcode state: absolutecoord=%s absoluteextrude=%s"
" base_position=%s last_position=%s homing_add=%s"
" speed=%s" % (
" speed_factor=%s speed=%s" % (
self.absolutecoord, self.absoluteextrude,
self.base_position, self.last_position, self.homing_add,
self.speed))
self.speed_factor, self.speed))
logging.info("\n".join(out))
# Parse input into commands
args_r = re.compile('([A-Z_]+|[A-Z*])')
@ -315,7 +316,7 @@ class GCodeParser:
self.process_commands(activate_gcode.split('\n'), need_ack=False)
all_handlers = [
'G1', 'G4', 'G28', 'M18', 'M400',
'G20', 'M82', 'M83', 'G90', 'G91', 'G92', 'M206',
'G20', 'M82', 'M83', 'G90', 'G91', 'G92', 'M206', 'M220',
'M105', 'M104', 'M109', 'M140', 'M190', 'M106', 'M107',
'M112', 'M114', 'M115', 'IGNORE', 'QUERY_ENDSTOPS', 'PID_TUNE',
'RESTART', 'FIRMWARE_RESTART', 'ECHO', 'STATUS', 'HELP']
@ -335,7 +336,7 @@ class GCodeParser:
# value relative to base coordinate position
self.last_position[p] = v + self.base_position[p]
if 'F' in params:
speed = float(params['F']) / 60.
speed = float(params['F']) * self.speed_factor
if speed <= 0.:
raise error("Invalid speed in '%s'" % (params['#original'],))
self.speed = speed
@ -409,6 +410,12 @@ class GCodeParser:
for p, offset in offsets.items():
self.base_position[p] += self.homing_add[p] - offset
self.homing_add[p] = offset
def cmd_M220(self, params):
# Set speed factor override percentage
value = self.get_float('S', params, 100.) / (60. * 100.)
if value <= 0.:
raise error("Invalid factor in '%s'" % (params['#original'],))
self.speed_factor = value
# G-Code temperature and fan commands
cmd_M105_when_not_ready = True
def cmd_M105(self, params):