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klippy: Support minimum/maximum value checks on configuration variables

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Verify that numeric parameters are in a sane range when reading the
config.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-04-11 11:37:09 -04:00
parent 7a7b98cc31
commit 7b03b04c78
10 changed files with 97 additions and 50 deletions
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22
klippy/extruder.py
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@ -13,26 +13,32 @@ class PrinterExtruder:
self.config = config
self.heater = heater.PrinterHeater(printer, config)
self.stepper = stepper.PrinterStepper(printer, config, 'extruder')
self.nozzle_diameter = config.getfloat('nozzle_diameter')
filament_diameter = config.getfloat('filament_diameter')
self.nozzle_diameter = config.getfloat('nozzle_diameter', above=0.)
filament_diameter = config.getfloat(
'filament_diameter', minval=self.nozzle_diameter)
filament_area = math.pi * (filament_diameter * .5)**2
max_cross_section = config.getfloat(
'max_extrude_cross_section', 4. * self.nozzle_diameter**2)
'max_extrude_cross_section', 4. * self.nozzle_diameter**2
, above=0.)
self.max_extrude_ratio = max_cross_section / filament_area
self.max_e_dist = config.getfloat('max_extrude_only_distance', 50.)
self.max_e_dist = config.getfloat(
'max_extrude_only_distance', 50., minval=0.)
self.max_e_velocity = self.max_e_accel = None
self.pressure_advance = config.getfloat('pressure_advance', 0.)
self.pressure_advance = config.getfloat(
'pressure_advance', 0., minval=0.)
self.pressure_advance_lookahead_time = 0.
if self.pressure_advance:
self.pressure_advance_lookahead_time = config.getfloat(
'pressure_advance_lookahead_time', 0.010)
'pressure_advance_lookahead_time', 0.010, minval=0.)
self.need_motor_enable = True
self.extrude_pos = 0.
def set_max_jerk(self, max_xy_halt_velocity, max_velocity, max_accel):
self.max_e_velocity = self.config.getfloat(
'max_extrude_only_velocity', max_velocity * self.max_extrude_ratio)
'max_extrude_only_velocity', max_velocity * self.max_extrude_ratio
, above=0.)
self.max_e_accel = self.config.getfloat(
'max_extrude_only_accel', max_accel * self.max_extrude_ratio)
'max_extrude_only_accel', max_accel * self.max_extrude_ratio
, above=0.)
self.stepper.set_max_jerk(9999999.9, 9999999.9)
def motor_off(self, move_time):
self.stepper.motor_enable(move_time, 0)