Mercurial > pygpibtoolkit / file comparison
comparison: pygpibtoolkit/HP3562A/HP356X.py
pygpibtoolkit/HP3562A/HP356X.py
- changeset 54
- 5c1a312830e7
- parent 53
- 8e32c806fcdd
- child 55
- d400eaa4b048
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| 53:8e32c806fcdd | 54:5c1a312830e7 |
|---|---|
| 1 # | 1 # |
| 2 from pygpibtoolkit.pygpib import CommandRegister, Constants, Command | 2 from pygpibtoolkit.pygpib import CommandRegister, Constants, Command |
| 3 from pygpibtoolkit.pygpib import BoolValue, IntValue, FloatValue | 3 from pygpibtoolkit.pygpib import BoolValue, IntValue, FloatValue |
| 4 from pygpibtoolkit.pygpib import PercentageValue, FrequencyValue, DurationValue | 4 from pygpibtoolkit.pygpib import PercentageValue, FrequencyValue, DurationValue |
| 5 from pygpibtoolkit.pygpib import EnumValue, StringValue | 5 from pygpibtoolkit.pygpib import EnumValue, StringValue |
| 6 from pygpibtoolkit.pygpib import Mode, ModeCommand | 6 from pygpibtoolkit.pygpib import Mode, ModeCommand |
| 7 | 7 |
| 8 from pygpibtoolkit.gpibcontroller import AbstractGPIBDevice, deviceRegister | 8 from pygpibtoolkit.gpibcontroller import AbstractGPIBDevice, deviceRegister |
| 9 | 9 |
| 10 class Register(CommandRegister): | 10 class Register(CommandRegister): |
| 11 """ | 11 """ |
| 231 | 231 |
| 232 | 232 |
| 233 class HP356XDevice(AbstractGPIBDevice): | 233 class HP356XDevice(AbstractGPIBDevice): |
| 234 _accepts = ["HP3562A", "HP3563A"] | 234 _accepts = ["HP3562A", "HP3563A"] |
| 235 _idn = "ID?" | 235 _idn = "ID?" |
| 236 | 236 _cmd_register = Register |
| 237 def __init__(self, idn, address, controller): | 237 |
| 238 super(HP356XDevice, self).__init__(idn, address, controller) | |
| 239 self._registry = Register() # singleton | |
| 240 self._cache = dict([(k, None) for k, v in self._registry.items() if isinstance(v, Mode)]) | |
| 241 for k in self._registry.keys(): | |
| 242 setattr(self, | |
| 243 | |
| 244 def _get(self, name): | |
| 245 print "get ", name | |
| 246 assert name in self._registry | |
| 247 if name in self._cache: | |
| 248 if self._cache[name] is None: | |
| 249 # where to get the info? | |
| 250 # ... compute value | |
| 251 self._cache[name] = value | |
| 252 return self._cache[name] | |
| 253 self._registry[name].get_value(self._cnx) | |
| 254 def _set(self, name, value): | |
| 255 assert name in self._registry | |
| 256 self._registry[name].set_value(self._cnx, value) | |
| 257 deviceRegister.register_manager(HP356XDevice) | 238 deviceRegister.register_manager(HP356XDevice) |
