############################ Step Generators ######################################### # Stepper module, four step generators, all using step/dir loadrt stepgen step_type=0,0,0,0 # Load realtime ddt for velocity calculations used for CHL loadrt ddt count=2 # Hook functions to base thread (high speed thread for step generation) addf stepgen.make-pulses base-thread # Hook functions to servo thread addf stepgen.capture-position servo-thread addf motion-command-handler servo-thread addf motion-controller servo-thread addf stepgen.update-freq servo-thread addf ddt.0 servo-thread addf ddt.1 servo-thread # Configure signals for Z axis to be twice the size of the signals for other axis because # Z axis has a slo-syn driver which can't handle smaller step sizes setp stepgen.2.steplen 35200 setp stepgen.2.stepspace 35200 setp stepgen.2.dirsetup 35200 setp stepgen.2.dirhold 35200 # Set stepgen module scaling - get values from ini file setp stepgen.0.position-scale [JOINT_0]SCALE setp stepgen.1.position-scale [JOINT_1]SCALE setp stepgen.2.position-scale [JOINT_2]SCALE setp stepgen.3.position-scale [JOINT_3]SCALE # Set stepgen module accel limits - get values from ini file setp stepgen.0.maxaccel [JOINT_0]STEPGEN_MAXACCEL setp stepgen.1.maxaccel [JOINT_1]STEPGEN_MAXACCEL setp stepgen.2.maxaccel [JOINT_2]STEPGEN_MAXACCEL setp stepgen.3.maxaccel [JOINT_3]STEPGEN_MAXACCEL # Hook up stepgen to motion modules net PosX-cmd joint.0.motor-pos-cmd => stepgen.0.position-cmd net PosX-fb stepgen.0.position-fb => joint.0.motor-pos-fb ddt.0.in net PosY-cmd joint.1.motor-pos-cmd => stepgen.1.position-cmd net PosY-fb stepgen.1.position-fb => joint.1.motor-pos-fb ddt.1.in # Z Axis Position and feedback signals handled by THC, see thc.hal #net PosZ-cmd joint.2.motor-pos-cmd => stepgen.2.position-cmd #net PosZ-fb stepgen.2.position-fb => joint.2.motor-pos-fb net PosA-cmd joint.3.motor-pos-cmd => stepgen.3.position-cmd net PosA-fb stepgen.3.position-fb => joint.3.motor-pos-fb # Hook up enable signals for step generators net EnableX joint.0.amp-enable-out => stepgen.0.enable net EnableY joint.1.amp-enable-out => stepgen.1.enable net EnableZ joint.2.amp-enable-out => stepgen.2.enable net EnableA joint.3.amp-enable-out => stepgen.3.enable