add a lot of current stuff

this is not (yet) in the frm2 repo

Change-Id: Ia5b2996803c3dbb15b85ab1bc3a24717ac6297fb

secop_psi/dg645.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+# 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.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Markus Zolliker <markus.zolliker@psi.ch>
+# *****************************************************************************
+"""Delay generator stanford 645"""
+
+from secop.core import Module, Parameter, Override, FloatRange, HasIodev, StringIO, Done
+
+
+class DG645(StringIO):
+    end_of_line = '\n'
+
+
+class Delay(HasIodev, Module):
+    parameters = {
+        'on1': Parameter('on delay 1', FloatRange(unit='sec'), readonly=False, default=0),
+        'off1': Parameter('off delay 1', FloatRange(unit='sec'), readonly=False, default=60e-9),
+        'on2': Parameter('on delay 2', FloatRange(unit='sec'), readonly=False, default=0),
+        'off2': Parameter('off delay 2', FloatRange(unit='sec'), readonly=False, default=150e-9),
+    }
+    iodevClass = DG645
+
+    def read_on1(self):
+        return self.sendRecv('DLAY?2').split(',')[1]
+
+    def read_off1(self):
+        return self.sendRecv('DLAY?3').split(',')[1]
+
+    def read_on2(self):
+        return self.sendRecv('DLAY?4').split(',')[1]
+
+    def read_off2(self):
+        return self.sendRecv('DLAY?5').split(',')[1]
+
+    def write_on1(self, value):
+        return self.sendRecv('DLAY 2,0,%g;DLAY?2' % value).split(',')[1]
+
+    def write_off1(self, value):
+        result = self.sendRecv('DLAY 3,0,%g;DLAY?3' % value)
+        return result.split(',')[1]
+
+    def write_on2(self, value):
+        return self.sendRecv('DLAY 4,0,%g;DLAY?4' % value).split(',')[1]
+
+    def write_off2(self, value):
+        return self.sendRecv('DLAY 5,0,%g;DLAY?5' % value).split(',')[1]