diff -r 3b50c46fca56 -r 2999318b49a2 dump_trace.py
--- a/dump_trace.py	Fri Dec 14 00:21:47 2007 +0100
+++ b/dump_trace.py	Fri Dec 14 00:24:11 2007 +0100
@@ -2,22 +2,31 @@
 import time
 import gpib
 
-class GPIBtracedumper(gpib.GPIB):
+class HP3562dumper(gpib.GPIB):
 
-    MODE = {'binary': 'DDBN',
-            'ascii': 'DDAS',
-            'ansi': 'DDAN',
-            }
+    MODES = {'trace': 'DD',
+             'state': 'DS',
+             'coord': 'DC',
+             }
+    
+    FORMATS = {'binary': 'BN',
+               'ascii': 'AS',
+               'ansi': 'AN'}
+            
     def __init__(self, device="/dev/ttyUSB0", baudrate=115200, timeout=0.1,
                  address=0):
-        super(GPIBtracedumper, self).__init__(device, baudrate, timeout, address, mode=1)
+        super(HP3562dumper, self).__init__(device, baudrate, timeout, address, mode=1)
 
-    def read_trace(self, mode="binary"): 
+    def dump(self, mode='trace', format="binary"): 
+        format = format.lower()
         mode = mode.lower()
-        assert mode in MODE
-        mode = MODE[mode]
+        assert mode in self.MODES
+        assert format in self.FORMATS
+        cmd = self.MODES[mode] + self.FORMATS[format]
+
         res = ""
-        self._cnx.write('%s\r'%mode)
+        print "command = ", cmd
+        self._cnx.write('%s\r'%cmd)
         i = 0
         while i<self._retries:
             l = self._cnx.readline()
@@ -29,6 +38,7 @@
             i = 0
         return res
 
+    
 
 if __name__=='__main__':
     import optparse
@@ -40,20 +50,23 @@
                    dest='device',
                    help='Device of the RS232 connection (default: /dev/ttyUSB0)',
                    )
+    opt.add_option('-a', '--address', default=0,
+                   dest='address',
+                   help='GPIB address of the device',
+                   )
+    opt.add_option('-b', '--block', default='trace',
+                   dest='block',
+                   help='Data block to dump (may be "trace" [default], "state" or "coord")',
+                   )
     opt.add_option('-m', '--mode', default='binary',
                    dest='mode',
                    help='Dumping mode (may be "binary" [default], "ascii" or "ansi")',
                    )
-    opt.add_option('-a', '--address', default=0,
-                   dest='address',
-                   help='GPIB address of the device',
-                   )
     options, argv = opt.parse_args(sys.argv)
 
-    cnx = GPIBtracedumper(device=options.device,
-                          address=int(options.address))
-    res = cnx.read_trace(mode=options.mode)
-
+    cnx = HP3562dumper(device=options.device, address=int(options.address))
+    res = cnx.dump(mode=options.block, format=options.mode)
+    sys.stderr.write("read %s bytes\n"%(len(res)))
     if options.filename:
         open(options.filename, 'w').write(res)
     else: