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mcu: Enhance itersolve stepper kinematics allocation

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Allocate the stepper_kinematics directly in mcu.py - that way the
kinematic classes don't have to interact with the chelper code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-07-13 11:24:36 -04:00
parent b988596519
commit a31c31aed4
7 changed files with 31 additions and 36 deletions
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14
klippy/kinematics/corexy.py
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@ -4,15 +4,20 @@
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import logging, math
import stepper, homing, chelper
import stepper, homing
class CoreXYKinematics:
def __init__(self, toolhead, config):
# Setup axis rails
self.rails = [ stepper.PrinterRail(config.getsection('stepper_x')),
stepper.PrinterRail(config.getsection('stepper_y')),
stepper.LookupMultiRail(config.getsection('stepper_z')) ]
self.rails[0].add_to_endstop(self.rails[1].get_endstops()[0][0])
self.rails[1].add_to_endstop(self.rails[0].get_endstops()[0][0])
self.rails[0].setup_itersolve('corexy_stepper_alloc', '+')
self.rails[1].setup_itersolve('corexy_stepper_alloc', '-')
self.rails[2].setup_itersolve('cartesian_stepper_alloc', 'z')
# Setup boundary checks
max_velocity, max_accel = toolhead.get_max_velocity()
self.max_z_velocity = config.getfloat(
'max_z_velocity', max_velocity, above=0., maxval=max_velocity)
@ -20,13 +25,6 @@ class CoreXYKinematics:
'max_z_accel', max_accel, above=0., maxval=max_accel)
self.need_motor_enable = True
self.limits = [(1.0, -1.0)] * 3
# Setup iterative solver
ffi_main, ffi_lib = chelper.get_ffi()
self.rails[0].setup_itersolve(ffi_main.gc(
ffi_lib.corexy_stepper_alloc('+'), ffi_lib.free))
self.rails[1].setup_itersolve(ffi_main.gc(
ffi_lib.corexy_stepper_alloc('-'), ffi_lib.free))
self.rails[2].setup_cartesian_itersolve('z')
# Setup stepper max halt velocity
max_halt_velocity = toolhead.get_max_axis_halt()
max_xy_halt_velocity = max_halt_velocity * math.sqrt(2.)