Mercurial > pygpibtoolkit / file comparison
comparison: HP3562A/state_decoder.py
HP3562A/state_decoder.py
- changeset 14
- 07e2cbf140df
equal
deleted
inserted
replaced
| 13:78e3e839658b | 14:07e2cbf140df |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 """ | |
| 3 state_decoder | |
| 4 ============= | |
| 5 | |
| 6 Module for decoding the internal state of the HP3562A DSA, using the | |
| 7 GPIB command "DSBN" (Dump State BiNary). | |
| 8 | |
| 9 This file can be exectued as a python script. Use '-h' for more informations. | |
| 10 """ | |
| 11 from HP3562A import format_header, decode_float, decode_string, decode_header | |
| 12 | |
| 13 from HP3562A.enum_types import * | |
| 14 | |
| 15 HEADER = [("Measurement mode", EMEAS, 'h', 2), | |
| 16 ("Measurement 1", EMTYP, 'h', 2), | |
| 17 ("Measurement 2", EMTYP, 'h', 2), | |
| 18 ("Window type", EWINTYP, 'h', 2), | |
| 19 ("Force/Expon window 1", EFEXPW, 'h', 2), | |
| 20 ("Force/Expon window 2", EFEXPW, 'h', 2), | |
| 21 ("Average type", EAVGTYP, 'h', 2), | |
| 22 ("Overlap percentage", int, 'h', 2), | |
| 23 ("Number of averages", int, 'h', 2), | |
| 24 ("Sweep # of averages", int, 'h', 2), | |
| 25 ("Trigger type", ETRGTYP, 'h', 2), | |
| 26 ("Trigger slope", ETRGSLP, 'h', 2), | |
| 27 ("Preview type", EPRVTYP, 'h', 2), | |
| 28 ("Sample type", ESMPTYP, 'h', 2), | |
| 29 ("Range units chan 1", ERNGUNT, 'h', 2), | |
| 30 ("Range units chan 2", ERNGUNT, 'h', 2), | |
| 31 ("Range type 1", ERNGTYP, 'h', 2), | |
| 32 ("Range type 2", ERNGTYP, 'h', 2), | |
| 33 ("Input coupling 1", EINCPL, 'h', 2), | |
| 34 ("Input coupling 2", EINCPL, 'h', 2), | |
| 35 ("Source type", ESRCTYP, 'h', 2), | |
| 36 ("Chirp percent", int, 'h', 2), | |
| 37 ("Burst percent", int, 'h', 2), | |
| 38 ("Sweep direction", ESWPDIR, 'h', 2), | |
| 39 ("Sweep mode", ESWPMOD, 'h', 2), | |
| 40 ("Ext sample freq untis", EXAXIS, 'h', 2), | |
| 41 ("Bandwidth units", EXAXIS, 'h', 2), | |
| 42 ("Log span index", int, 'h', 2), | |
| 43 ("Log start index", int, 'h', 2), | |
| 44 ("Sweep rate units", EXAXIS, 'h', 2), | |
| 45 ("Auto gain ref chan", EDEMODCH, 'h', 2), | |
| 46 ("Demod channels", EDEMODCH, 'h', 2), | |
| 47 ("Demod type chan 1", EDEMOD, 'h', 2), | |
| 48 ("Demod type chan 2", EDEMOD, 'h', 2), | |
| 49 ("Source level units", EXAXIS, 'h', 2), | |
| 50 ("Source offset units", EXAXIS, 'h', 2), | |
| 51 ("Trigger level units", EXAXIS, 'h', 2), | |
| 52 ("Capt/thru length units", EXAXIS, 'h', 2), | |
| 53 ("EU label 1", str, 's', 6), | |
| 54 ("EU label 2", str, 's', 6), | |
| 55 ("Auto carrier on/off", bool, 'h', 2), | |
| 56 ("Time average on/off", bool, 'h', 2), | |
| 57 ("Auto/fixed resolution", bool, 'h', 2), | |
| 58 ("Auto gain on/off", bool, 'h', 2), | |
| 59 ("Auto/fixed integrate",bool, 'h', 2), | |
| 60 ("Fast average on/off", bool, 'h', 2), | |
| 61 ("Overload reject on/off", bool, 'h', 2), | |
| 62 ("Chan 1 float/ground", bool, 'h', 2), | |
| 63 ("Chan 2 float/ground", bool, 'h', 2), | |
| 64 ("Time throughput on/off", bool, 'h', 2), | |
| 65 ("Demodulation on/off", bool, 'h', 2), | |
| 66 ("EU/volts chan 1", bool, 'h', 2), | |
| 67 ("EU/volts chan 2", bool, 'h', 2), | |
| 68 ("Manual/auto arm", bool, 'h', 2), | |
| 69 ("Demod preview on/off", bool, 'h', 2), | |
| 70 ("Delete freq on/off", bool, 'h', 2), | |
| 71 ("Lin res Fstart pegged", bool, 'h', 2), | |
| 72 ("Swept Fstart pegged", bool, 'h', 2), | |
| 73 ("Force length chan 1", decode_float, None, 4), | |
| 74 ("Force length chan 2", decode_float, None, 4), | |
| 75 ("Expon time constant 1", decode_float, None, 4), | |
| 76 ("Expon time constant 2", decode_float, None, 4), | |
| 77 ("Sweep time", decode_float, None, 4), | |
| 78 ("Sweep rate", decode_float, None, 4), | |
| 79 ("Sweep resolution", decode_float, None, 4), | |
| 80 ("Sweep integrate time", decode_float, None, 4), | |
| 81 ("Auto gain level", decode_float, None, 4), | |
| 82 ("Auto gain limit", decode_float, None, 4), | |
| 83 ("Source level", decode_float, None, 4), | |
| 84 ("EU value chan 1", decode_float, None, 4), | |
| 85 ("EU value chan 2", decode_float, None, 4), | |
| 86 ("Trigger delay chan 1", decode_float, None, 4), | |
| 87 ("Trigger delay chan 2", decode_float, None, 4), | |
| 88 ("Integrate var thresh", decode_float, None, 4), | |
| 89 ("Capt/thru length", decode_float, None, 4), | |
| 90 ("Frequency span", decode_float, None, 4), | |
| 91 ("Time record length", decode_float, None, 4), | |
| 92 ("Frequency resolution", decode_float, None, 4), | |
| 93 ("Time resolution", decode_float, None, 4), | |
| 94 ("External sample rate", decode_float, None, 4), | |
| 95 ("Sample rate (actual)", decode_float, None, 4), | |
| 96 ("Range channel 1", decode_float, None, 4), | |
| 97 ("Range channel 2", decode_float, None, 4), | |
| 98 ("Preview time", decode_float, None, 4), | |
| 99 ("Trigger level", decode_float, None, 4), | |
| 100 ("Source dc offset", decode_float, None, 4), | |
| 101 ("Fixed sine frequency", decode_float, None, 8), | |
| 102 ("Start frequency", decode_float, None, 8), | |
| 103 ("Center frequency", decode_float, None, 8), | |
| 104 ("Sweep start", decode_float, None, 8), | |
| 105 ("Sweep end", decode_float, None, 8), | |
| 106 ("Carrier frequency", decode_float, None, 8), | |
| 107 ] | |
| 108 | |
| 109 def decode_state(data): | |
| 110 """ | |
| 111 Decode the data (as generated by the HP3562A DSA in response to a | |
| 112 "DSBN" command), and returns a dict (header) | |
| 113 | |
| 114 header is the dictionnary of the header of the dumped data block, | |
| 115 """ | |
| 116 header, idx = decode_header(data, HEADER) | |
| 117 return header | |
| 118 | |
| 119 | |
| 120 def main(): | |
| 121 import sys | |
| 122 import optparse | |
| 123 opt = optparse.OptionParser("A simple tool for tracing a dumped trace") | |
| 124 opt.add_option('-f', '--filename', default=None, | |
| 125 dest='filename', | |
| 126 help='Output filename. If not set, read from stdin') | |
| 127 opt.add_option('-m', '--mode', default='binary', | |
| 128 dest='mode', | |
| 129 help='Dumping mode (may be "binary" [default], "ascii" or "ansi")', | |
| 130 ) | |
| 131 | |
| 132 options, argv = opt.parse_args(sys.argv) | |
| 133 | |
| 134 | |
| 135 if options.filename is None: | |
| 136 print "Can't deal stdin for now..." | |
| 137 sys.exit(1) | |
| 138 #try: | |
| 139 if 1: | |
| 140 header = decode_state(open(options.filename, 'rb').read()) | |
| 141 else: | |
| 142 #except Exception, e: | |
| 143 print "ERROR: can't read %s an interpret it as a HP3562 trace"%options.filename | |
| 144 print e | |
| 145 sys.exit(1) | |
| 146 | |
| 147 print format_header(header, HEADER, 100) | |
| 148 | |
| 149 if __name__ == "__main__": | |
| 150 main() | |
| 151 |
