Mercurial > pygpibtoolkit / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gpib_plotter_mockup.py	Fri Jan 25 20:25:39 2008 +0100
@@ -0,0 +1,35 @@
+import glob
+import os
+import time
+import random
+
+class GPIBplotter:#(GPIB):
+    """
+    A mockup thet will find in a directory some HPGL files and feed them randomly
+    """
+    def __init__(self, device="/dev/ttyUSB0", baudrate=115200, timeout=0.1,
+                 address=5):
+        self._timeout = timeout
+        self.filenames = glob.glob('examples/*.plt')
+        self._next = random.randint(10,50)
+        self._num = 0
+
+    def plotStarted(self):
+        pass
+        
+    def load_plot(self, wait_timeout=0):
+        if wait_timeout:
+            time.sleep(wait_timeout)
+        self._num += 1
+        if self._num > self._next:
+            ret = open(random.choice(self.filenames)).read()
+            if len(ret)>0:
+                self.plotStarted()
+                self._num = 0
+                self._next = random.randint(10,100)
+                time.sleep(random.randint(1,3))
+                return ret
+            return None
+        return None
+    
+