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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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7
klippy/delta.py
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@@ -19,8 +19,8 @@ class DeltaKinematics:
for n in ['a', 'b', 'c']]
self.need_motor_enable = self.need_home = True
self.max_velocity = self.max_z_velocity = self.max_accel = 0.
radius = config.getfloat('delta_radius')
arm_length = config.getfloat('delta_arm_length')
radius = config.getfloat('delta_radius', above=0.)
arm_length = config.getfloat('delta_arm_length', above=radius)
self.arm_length2 = arm_length**2
self.limit_xy2 = -1.
tower_height_at_zeros = math.sqrt(self.arm_length2 - radius**2)
@@ -53,7 +53,8 @@ class DeltaKinematics:
self.set_position([0., 0., 0.])
def set_max_jerk(self, max_xy_halt_velocity, max_velocity, max_accel):
self.max_velocity = max_velocity
max_z_velocity = self.config.getfloat('max_z_velocity', max_velocity)
max_z_velocity = self.config.getfloat(
'max_z_velocity', max_velocity, above=0.)
self.max_z_velocity = min(max_velocity, max_z_velocity)
self.max_accel = max_accel
for stepper in self.steppers: