Import LinuxCNC source tree

tests/stepgen.2/README

@@ -0,0 +1,2 @@
+This is a functional test of 'stepgen'.  It checks that the the "step"
+output is asserted the correct number of times over a move.

tests/stepgen.2/checkresult

@@ -0,0 +1,9 @@
+#!/bin/bash
+COUNT=0
+# Variable i is unused
+# shellcheck disable=SC2034
+while read -r i j; do
+	if [ "$j"  -eq 1 ]; then COUNT=$((COUNT+1)); fi
+done < "$1"
+
+test $COUNT -eq 1280

tests/stepgen.2/test.hal

@@ -0,0 +1,22 @@
+setexact_for_test_suite_only
+
+loadrt sampler cfg=bb depth=4096
+loadrt stepgen step_type=0
+loadrt threads name1=fast period1=100000
+
+net n0 stepgen.0.dir sampler.0.pin.0
+net n1 stepgen.0.step sampler.0.pin.1
+
+addf stepgen.update-freq fast
+addf stepgen.make-pulses fast
+addf stepgen.capture-position fast
+addf sampler.0 fast
+
+setp stepgen.0.maxvel .15
+setp stepgen.0.maxaccel 2
+setp stepgen.0.position-cmd .04
+setp stepgen.0.enable 1
+setp stepgen.0.position-scale 32000
+
+start
+loadusr -w halsampler -n 3500