script/test/TestConsinuousMscan.py

@@ -0,0 +1,41 @@
+SCAN_RANGE = [0.0, 1.0]
+SCAN_TIME = 10.0
+
+STREAM_SCALARS = ['Int8Scalar', 'Float64Scalar']
+STREAM_WAVEFORMS = ['Int32Waveform']
+EPICS_CHANELS = ['TESTIOC:TESTCALCOUT:Output']
+
+
+stream = Stream("PID", dispatcher)
+
+modulo, offset = 10,0
+for name in STREAM_SCALARS:
+    stream.addScalar(name, name, modulo, offset ) 
+plot_types = {}
+for name in STREAM_WAVEFORMS: 
+    stream.addWaveform(name, name, modulo, offset ) 
+    plot_types[name]=1
+
+
+stream.initialize()
+stream.start()
+
+velocity  = abs(float(SCAN_RANGE[1]-SCAN_RANGE[0])) / SCAN_TIME
+motor.setSpeed(motor.defaultSpeed)
+motor.move(float(SCAN_RANGE[0]))
+motor.setSpeed(float(velocity) )
+
+channels = []
+for name in EPICS_CHANELS:
+    channel = Channel(name, 'd')
+    channel.monitored= True
+    channels.append(channel)
+
+
+stream.waitCacheChange(10000)
+motor.moveAsync(float(SCAN_RANGE[1])) 
+try:
+    mscan(stream, stream.getReadables() + channels, -1, SCAN_TIME, plot_types=plot_types)
+finally:
+    stream.close()  
+    motor.setSpeed(motor.defaultSpeed)