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stepper_enable: Add SET_STEPPER_ENABLE gcode command (#2463) 

Signed-off-by: David Smith <davidosmith@gmail.com>
This commit is contained in:
David Smith 2020-02-10 22:34:11 -05:00 committed by GitHub
parent 7d76067ff9
commit 596f5e3e3a
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2 changed files with 34 additions and 3 deletions
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6
docs/G-Codes.md
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@ -161,6 +161,12 @@ The following standard commands are supported:
[SMOOTH_TIME=<pressure_advance_smooth_time>]`: Set pressure advance
parameters. If EXTRUDER is not specified, it defaults to the active
extruder.
- `SET_STEPPER_ENABLE STEPPER=<config_name> ENABLE=[0|1]`: Enable or
disable only the given stepper. This is a diagnostic and debugging
tool and must be used with care. Disabling an axis motor does not
reset the homing information. Manually moving a disabled stepper may
cause the machine to operate the motor outside of safe limits. This
can lead to damage to axis components, hot ends, and print surface.
- `STEPPER_BUZZ STEPPER=<config_name>`: Move the given stepper forward
one mm and then backward one mm, repeated 10 times. This is a
diagnostic tool to help verify stepper connectivity.

31
klippy/extras/stepper_enable.py
View File

@ -74,9 +74,12 @@ class PrinterStepperEnable:
self.printer.register_event_handler("gcode:request_restart",
self._handle_request_restart)
# Register M18/M84 commands
gcode = self.printer.lookup_object('gcode')
gcode.register_command("M18", self.cmd_M18)
gcode.register_command("M84", self.cmd_M18)
self.gcode = self.printer.lookup_object('gcode')
self.gcode.register_command("M18", self.cmd_M18)
self.gcode.register_command("M84", self.cmd_M18)
self.gcode.register_command("SET_STEPPER_ENABLE",
self.cmd_SET_STEPPER_ENABLE,
desc = self.cmd_SET_STEPPER_ENABLE_help)
def register_stepper(self, stepper, pin):
name = stepper.get_name()
self.enable_lines[name] = EnableTracking(self.printer, stepper, pin)
@ -89,11 +92,33 @@ class PrinterStepperEnable:
self.printer.send_event("stepper_enable:motor_off", print_time)
toolhead.dwell(DISABLE_STALL_TIME)
logging.debug('; Max time of %f', print_time)
def motor_debug_enable(self, stepper=None, enable=1):
toolhead = self.printer.lookup_object('toolhead')
toolhead.dwell(DISABLE_STALL_TIME)
print_time = toolhead.get_last_move_time()
if stepper in self.enable_lines:
el = self.enable_lines.get(stepper, "")
if enable:
el.motor_enable(print_time)
logging.info("%s has been manually enabled", stepper)
else:
el.motor_disable(print_time)
logging.info("%s has been manually disabled", stepper)
else:
self.gcode.respond_info('SET_STEPPER_ENABLE: Invalid stepper "%s"'
% (stepper))
toolhead.dwell(DISABLE_STALL_TIME)
logging.debug('; Max time of %f', print_time)
def _handle_request_restart(self, print_time):
self.motor_off()
def cmd_M18(self, params):
# Turn off motors
self.motor_off()
cmd_SET_STEPPER_ENABLE_help = "Enable/disable individual stepper by name"
def cmd_SET_STEPPER_ENABLE(self, params):
stepper_name = self.gcode.get_str('STEPPER', params, None)
stepper_enable = self.gcode.get_int('ENABLE', params, 1)
self.motor_debug_enable(stepper_name, stepper_enable)
def lookup_enable(self, name):
if name not in self.enable_lines:
raise self.printer.config_error("Unknown stepper '%s'" % (name,))