Agilent 33250A Waveform Generator control module via RS232.

a900b08a · Federico Asara · c54e6c48 · a900b08a · a900b08a · a900b08a
Commit a900b08a authored Aug 19, 2011 by Federico Asara
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Agilent33250A.py Pain/Agilent33250A/Agilent33250A.py +59 -0

SineWaveform.py Pain/Agilent33250A/SineWaveform.py +12 -0

__init__.py Pain/Agilent33250A/__init__.py +5 -0

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--- a/Pain/Agilent33250A/Agilent33250A.py
+++ b/Pain/Agilent33250A/Agilent33250A.py
+import Generic.Generator as gen
+import time
+
+from SineWaveform import *
+    
+def Property(func):
+    return property(**func())
+    
+"""This class should manage the Agilent 33250A waveform generator"""
+class Agilent33250A(gen.Generator):
+    def __init__(self, device = "/dev/ttyUSB0", bauds = 57600, to = 2, interCharTimeout=1):
+        gen.Generator.__init__(self, device = device, bauds = bauds, to = to, interCharTimeout=interCharTimeout)
+    
+    def command(self, what):
+        if type(what) is str:
+            what = (what, )
+        
+        return sum(map(lambda x: self.write("%s\n" % x), what))
+    
+    @Property
+    def output():
+        doc = "Output status of the generator"
+
+        def fget(self):
+            self.command("OUTP?")
+            output = self.read(2)[0]
+            
+            return output == "1"    
+        
+        def fset(self, status):
+            if type(status) is not bool: 
+                return
+            
+            self.command("OUTP %d" % (1 if status else 0))
+        
+        return locals()
+    
+    # legacy
+    def lsine(self, frequency, amplitude, dc = 0, freqm = 'HZ', ampm = 'VPP', dcm = 'V'):
+        self.command("APPL:SIN %.2f %s, %.2f %s, %.2f %s" % (frequency, freqm, amplitude, ampm, dc, dcm))
+    
+    def sweep(self, interval, waves, callback = None):
+        for w in waves:
+            self.command(w.apply())
+            time.sleep(interval)
+            
+            if callback is not None:
+                callback(f)
+    
+    # legacy
+    def lsweep(self, interval, frequencies, amplitude, dc = 0, freqm = 'HZ', ampm = 'VPP', dcm = 'V', callback = None):
+        
+        for f in frequencies:
+            self.sine(f, amplitude, dc, freqm, ampm, dcm)
+            time.sleep(interval)
+            
+            if callback is not None:
+                callback(f)
+        
--- a/Pain/Agilent33250A/SineWaveform.py
+++ b/Pain/Agilent33250A/SineWaveform.py
+import Generic.SineWaveform as  sw
+
+
+
+class SineWaveform(sw.SineWaveform):
+    def apply(self):
+        return "APPL:SIN %f %s, %f %s, %f %s" % (self._freq[0], self._freq[1],\
+                                                 self._amp[0], self._amp[1],\
+                                                 self._dc[0], self._dc[1])
+
+
+    
--- a/Pain/Agilent33250A/__init__.py
+++ b/Pain/Agilent33250A/__init__.py
+__author__="Federico"
+__date__ ="$Aug 17, 2011 4:43:08 PM$"
+
+# PAIn: Python ADC Interface
+