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configs/sim/axis/remap/cycle/python/remap.py

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+#   This is a component of LinuxCNC
+#   Copyright 2012, 2013 Dewey Garrett <dgarrett@panix.com>, Michael
+#   Haberler <git@mah.priv.at>
+#
+#   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.
+#
+from interpreter import *
+from emccanon import MESSAGE
+
+from stdglue import cycle_prolog, cycle_epilog, init_stdglue
+
+# This shows how to create a remapped G-code  which can be used as a cycle
+# written in Python
+#
+# Example:
+# Assume G84.2 is remapped to Python g842 like so in the [RS274NGC] ini section:
+# REMAP=G84.2 argspec=xyzqp python=g842 modalgroup=1
+#    
+# then executing
+#   
+#    G84.2 x1 y1 (line1)
+#    x3 y3       (line2)
+#    y5          (line3)
+#    ...
+#
+#  will execute like:
+#   *G84.2 x1 y1
+#    G84.2 x3 y3
+#    G84.2 x3 y5
+#    
+# until motion is cleared with G80 or some other motion is executed.
+#   
+# This enables writing cycles in Python, or as Oword procedures; in the
+# latter case the self.motion_mode should be set in the Python epilog.
+#
+# for a more through example of a cycle prolog, see cycle_prolog in stdglue.py
+
+_sticky_params = dict()
+
+def g842(self,**words):
+ 
+    global _sticky_params
+
+    firstcall = False
+    
+    # determine whether this is the first or a subsequent call
+    c = self.blocks[self.remap_level]
+    r = c.executing_remap
+    if c.g_modes[1] == r.motion_code:
+        # this was the first call.
+        # clear the dict to remember all sticky parameters.
+        _sticky_params[r.name] = dict()
+        text = "*" + r.name
+    else:
+        text = r.name
+    # merge in new parameters
+    _sticky_params[r.name].update(words) 
+
+    # insert your cycle actions here
+    for (key,value) in _sticky_params[r.name].items():
+        text += "%s%.1f " % (key, value)
+    MESSAGE(text)
+
+    # retain the current motion mode
+    self.motion_mode = c.executing_remap.motion_code 
+    return INTERP_OK
+

configs/sim/axis/remap/cycle/python/toplevel.py

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+#   This is a component of LinuxCNC
+#   Copyright 2011, 2012, 2013 Dewey Garrett <dgarrett@panix.com>,
+#   Michael Haberler <git@mah.priv.at>
+#
+#   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 remap
+import os
+
+def __init__(self):
+    # handle any per-module initialisation tasks here
+    remap.init_stdglue(self)
+    print("interp __init__",self.task,os.getpid())
+
+def __delete__(self):
+     # handle any per-module shutdown tasks here
+     print("interp __delete__",self.task,os.getpid())