Import LinuxCNC source tree

tests/mqtt/display.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+import time
+import os
+import sys
+
+import linuxcnc
+import linuxcnc_util
+import hal
+
+sys.stdout = os.fdopen(sys.stdout.fileno(), 'w')
+
+c = linuxcnc.command()
+s = linuxcnc.stat()
+e = linuxcnc.error_channel
+l = linuxcnc_util.LinuxCNC(command=c, status=s, error=e)
+
+print("info: Turning machine on")
+c.state(linuxcnc.STATE_ESTOP_RESET)
+c.state(linuxcnc.STATE_ON)
+c.wait_complete()
+
+c.home(0)
+c.home(1)
+c.home(2)
+
+print("info: Waiting for homing to complete")
+l.wait_for_home([1, 1, 1, 0, 0, 0, 0, 0, 0])
+
+c.mode(linuxcnc.MODE_MDI)
+
+print("info: Moving to X1")
+c.mdi("G0 X1Y0Z0")
+c.wait_complete()
+s.poll()
+
+h = hal.component("python-ui")
+
+# Wait for next MQTT publication
+name='mqtt-publisher.lastpublish'
+timeout = 10
+lastpublish = hal.get_value(name)
+start_time = time.time()
+while (time.time() - start_time) < timeout and \
+      hal.get_value(name) == lastpublish:
+    time.sleep(0.1)
+if hal.get_value(name) == lastpublish:
+    raise RuntimeError(f"error: no MQTT publishing happened within {timeout} seconds")
+
+print("info: Turning machine off")
+c.state(linuxcnc.STATE_OFF)
+
+sys.exit(0)