Mercurial > pygpibtoolkit / file comparison
comparison: HP3562A/dump_datablock.py
HP3562A/dump_datablock.py
- changeset 17
- fb8aa055f6e4
- parent 14
- 07e2cbf140df
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| 16:de9122b5680a | 17:fb8aa055f6e4 |
|---|---|
| 3 import gpib | 3 import gpib |
| 4 import prologix | 4 import prologix |
| 5 | 5 |
| 6 | 6 |
| 7 class HP3562dumper(prologix.GPIB): | 7 class HP3562dumper(prologix.GPIB): |
| 8 | 8 """ |
| 9 Class dedicated to dump data blocks from HP3562A DSA (trace, | |
| 10 internal state or coordinate). | |
| 11 """ | |
| 9 MODES = {'trace': 'DD', | 12 MODES = {'trace': 'DD', |
| 10 'state': 'DS', | 13 'state': 'DS', |
| 11 'coord': 'DC', | 14 'coord': 'DC', |
| 12 } | 15 } |
| 13 | 16 |
| 18 def __init__(self, device="/dev/ttyUSB0", baudrate=115200, timeout=0.1, | 21 def __init__(self, device="/dev/ttyUSB0", baudrate=115200, timeout=0.1, |
| 19 address=0): | 22 address=0): |
| 20 super(HP3562dumper, self).__init__(device, baudrate, timeout, address, mode=1) | 23 super(HP3562dumper, self).__init__(device, baudrate, timeout, address, mode=1) |
| 21 | 24 |
| 22 def dump(self, mode='trace', format="binary"): | 25 def dump(self, mode='trace', format="binary"): |
| 26 """ | |
| 27 Dump the required data block and return it as a raw string buffer. | |
| 28 | |
| 29 'mode' can be 'trace' [default], 'state' or 'coord'. | |
| 30 'format' can be 'binary' [default], 'ascii' or 'ansi'. | |
| 31 """ | |
| 23 format = format.lower() | 32 format = format.lower() |
| 24 mode = mode.lower() | 33 mode = mode.lower() |
| 25 assert mode in self.MODES | 34 assert mode in self.MODES |
| 26 assert format in self.FORMATS | 35 assert format in self.FORMATS |
| 27 cmd = self.MODES[mode] + self.FORMATS[format] | 36 cmd = self.MODES[mode] + self.FORMATS[format] |
