HP3562A/dump_trace.py

changeset 14
07e2cbf140df
parent 13
78e3e839658b
child 15
b930440af354
--- a/HP3562A/dump_trace.py	Mon Dec 17 18:59:45 2007 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-import sys
-import time
-import gpib
-
-class HP3562dumper(gpib.GPIB):
-
-    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(HP3562dumper, self).__init__(device, baudrate, timeout, address, mode=1)
-
-    def dump(self, mode='trace', format="binary"): 
-        format = format.lower()
-        mode = mode.lower()
-        assert mode in self.MODES
-        assert format in self.FORMATS
-        cmd = self.MODES[mode] + self.FORMATS[format]
-
-        res = ""
-        print "command = ", cmd
-        self._cnx.write('%s\r'%cmd)
-        i = 0
-        while i<self._retries:
-            l = self._cnx.readline()
-            if l.strip() == "":
-                i += 1
-                time.sleep(self._timeout)
-                continue
-            res += l 
-            i = 0
-        return res
-
-    
-
-if __name__=='__main__':
-    import optparse
-    opt = optparse.OptionParser("A simple tool for dumping the current trace")
-    opt.add_option('-f', '--filename', default=None,
-                   dest='filename',
-                   help='Output filename. If not set, write to stdout')
-    opt.add_option('-d', '--device', default='/dev/ttyUSB0',
-                   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")',
-                   )
-    options, argv = opt.parse_args(sys.argv)
-
-    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:
-        print res
-    

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