--- a/HP3562A/state_decoder.py Mon Feb 04 19:49:48 2008 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,151 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-state_decoder
-=============
-
-Module for decoding the internal state of the HP3562A DSA, using the
-GPIB command "DSBN" (Dump State BiNary).
-
-This file can be exectued as a python script. Use '-h' for more informations.
-"""
-from HP3562A import format_header, decode_float, decode_string, decode_header
-
-from HP3562A.enum_types import *
-
-HEADER = [("Measurement mode", EMEAS, 'h', 2),
- ("Measurement 1", EMTYP, 'h', 2),
- ("Measurement 2", EMTYP, 'h', 2),
- ("Window type", EWINTYP, 'h', 2),
- ("Force/Expon window 1", EFEXPW, 'h', 2),
- ("Force/Expon window 2", EFEXPW, 'h', 2),
- ("Average type", EAVGTYP, 'h', 2),
- ("Overlap percentage", int, 'h', 2),
- ("Number of averages", int, 'h', 2),
- ("Sweep # of averages", int, 'h', 2),
- ("Trigger type", ETRGTYP, 'h', 2),
- ("Trigger slope", ETRGSLP, 'h', 2),
- ("Preview type", EPRVTYP, 'h', 2),
- ("Sample type", ESMPTYP, 'h', 2),
- ("Range units chan 1", ERNGUNT, 'h', 2),
- ("Range units chan 2", ERNGUNT, 'h', 2),
- ("Range type 1", ERNGTYP, 'h', 2),
- ("Range type 2", ERNGTYP, 'h', 2),
- ("Input coupling 1", EINCPL, 'h', 2),
- ("Input coupling 2", EINCPL, 'h', 2),
- ("Source type", ESRCTYP, 'h', 2),
- ("Chirp percent", int, 'h', 2),
- ("Burst percent", int, 'h', 2),
- ("Sweep direction", ESWPDIR, 'h', 2),
- ("Sweep mode", ESWPMOD, 'h', 2),
- ("Ext sample freq untis", EXAXIS, 'h', 2),
- ("Bandwidth units", EXAXIS, 'h', 2),
- ("Log span index", int, 'h', 2),
- ("Log start index", int, 'h', 2),
- ("Sweep rate units", EXAXIS, 'h', 2),
- ("Auto gain ref chan", EDEMODCH, 'h', 2),
- ("Demod channels", EDEMODCH, 'h', 2),
- ("Demod type chan 1", EDEMOD, 'h', 2),
- ("Demod type chan 2", EDEMOD, 'h', 2),
- ("Source level units", EXAXIS, 'h', 2),
- ("Source offset units", EXAXIS, 'h', 2),
- ("Trigger level units", EXAXIS, 'h', 2),
- ("Capt/thru length units", EXAXIS, 'h', 2),
- ("EU label 1", str, 's', 6),
- ("EU label 2", str, 's', 6),
- ("Auto carrier on/off", bool, 'h', 2),
- ("Time average on/off", bool, 'h', 2),
- ("Auto/fixed resolution", bool, 'h', 2),
- ("Auto gain on/off", bool, 'h', 2),
- ("Auto/fixed integrate",bool, 'h', 2),
- ("Fast average on/off", bool, 'h', 2),
- ("Overload reject on/off", bool, 'h', 2),
- ("Chan 1 float/ground", bool, 'h', 2),
- ("Chan 2 float/ground", bool, 'h', 2),
- ("Time throughput on/off", bool, 'h', 2),
- ("Demodulation on/off", bool, 'h', 2),
- ("EU/volts chan 1", bool, 'h', 2),
- ("EU/volts chan 2", bool, 'h', 2),
- ("Manual/auto arm", bool, 'h', 2),
- ("Demod preview on/off", bool, 'h', 2),
- ("Delete freq on/off", bool, 'h', 2),
- ("Lin res Fstart pegged", bool, 'h', 2),
- ("Swept Fstart pegged", bool, 'h', 2),
- ("Force length chan 1", decode_float, None, 4),
- ("Force length chan 2", decode_float, None, 4),
- ("Expon time constant 1", decode_float, None, 4),
- ("Expon time constant 2", decode_float, None, 4),
- ("Sweep time", decode_float, None, 4),
- ("Sweep rate", decode_float, None, 4),
- ("Sweep resolution", decode_float, None, 4),
- ("Sweep integrate time", decode_float, None, 4),
- ("Auto gain level", decode_float, None, 4),
- ("Auto gain limit", decode_float, None, 4),
- ("Source level", decode_float, None, 4),
- ("EU value chan 1", decode_float, None, 4),
- ("EU value chan 2", decode_float, None, 4),
- ("Trigger delay chan 1", decode_float, None, 4),
- ("Trigger delay chan 2", decode_float, None, 4),
- ("Integrate var thresh", decode_float, None, 4),
- ("Capt/thru length", decode_float, None, 4),
- ("Frequency span", decode_float, None, 4),
- ("Time record length", decode_float, None, 4),
- ("Frequency resolution", decode_float, None, 4),
- ("Time resolution", decode_float, None, 4),
- ("External sample rate", decode_float, None, 4),
- ("Sample rate (actual)", decode_float, None, 4),
- ("Range channel 1", decode_float, None, 4),
- ("Range channel 2", decode_float, None, 4),
- ("Preview time", decode_float, None, 4),
- ("Trigger level", decode_float, None, 4),
- ("Source dc offset", decode_float, None, 4),
- ("Fixed sine frequency", decode_float, None, 8),
- ("Start frequency", decode_float, None, 8),
- ("Center frequency", decode_float, None, 8),
- ("Sweep start", decode_float, None, 8),
- ("Sweep end", decode_float, None, 8),
- ("Carrier frequency", decode_float, None, 8),
- ]
-
-def decode_state(data):
- """
- Decode the data (as generated by the HP3562A DSA in response to a
- "DSBN" command), and returns a dict (header)
-
- header is the dictionnary of the header of the dumped data block,
- """
- header, idx = decode_header(data, HEADER)
- return header
-
-
-def main():
- import sys
- import optparse
- opt = optparse.OptionParser("A simple tool for tracing a dumped trace")
- opt.add_option('-f', '--filename', default=None,
- dest='filename',
- help='Output filename. If not set, read from stdin')
- 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)
-
-
- if options.filename is None:
- print "Can't deal stdin for now..."
- sys.exit(1)
- #try:
- if 1:
- header = decode_state(open(options.filename, 'rb').read())
- else:
- #except Exception, e:
- print "ERROR: can't read %s an interpret it as a HP3562 trace"%options.filename
- print e
- sys.exit(1)
-
- print format_header(header, HEADER, 100)
-
-if __name__ == "__main__":
- main()
- 