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configs/sim.qtplasmac/M190

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+#!/usr/bin/python3
+'''
+M190
+
+Copyright (C) 2019, 2020, 2021  Phillip A Carter
+Copyright (C) 2020, 2021  Gregory D Carl
+
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+'''
+
+import sys
+import time
+from subprocess import run as RUN
+
+materialNum = int(float(sys.argv[1]))
+timeout = 0.5
+
+def get_material():
+    response = RUN(['halcmd', 'getp', 'qtplasmac.material_change_number'], capture_output = True)
+    return int(response.stdout.decode())
+
+def set_material(material):
+    RUN(['halcmd', 'setp', 'qtplasmac.material_change_number', '{}'.format(material)])
+
+def get_change():
+    response = RUN(['halcmd', 'getp', 'qtplasmac.material_change'], capture_output = True)
+    return int(response.stdout.decode())
+
+def set_change(value):
+    RUN(['halcmd', 'setp', 'qtplasmac.material_change', '{}'.format(value)])
+
+def set_timeout():
+    RUN(['halcmd', 'setp', 'qtplasmac.material_change_timeout', 1])
+
+try:
+    if materialNum != get_material():
+        set_change(1)
+        set_material(materialNum)
+    else:
+        set_change(3)
+    start = time.time()
+    while get_change() == 1 or get_change() == 3:
+        if time.time() > start + timeout:
+            set_timeout()
+            break
+    set_change(0)
+except:
+    pass
+exit()