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ionopimax: Add LogVoltageInput

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l_samenv 2024-01-18 08:40:33 +01:00
parent 9e000528d2
commit 99a58933ec
1 changed files with 10 additions and 0 deletions
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10
frappy_psi/ionopimax.py
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@ -20,6 +20,7 @@
from frappy.core import Readable, Writable, Parameter, BoolType, StringType,\ from frappy.core import Readable, Writable, Parameter, BoolType, StringType,\
FloatRange, Property, TupleOf, ERROR, IDLE FloatRange, Property, TupleOf, ERROR, IDLE
from math import log
class Base: class Base:
@ -74,6 +75,15 @@ class VoltageInput(AnalogInput):
super().initModule() super().initModule()
self.write(f'{self.addr}_mode','U') self.write(f'{self.addr}_mode','U')
class LogVoltageInput(VoltageInput):
def read_value(self):
x0, x1 = self.rawrange
y0, y1 = self.valuerange
self.x = self.read(self.addr, self.scale)
a = (x1-x0)/log(y1/y0,10)
return 10**((self.x-x1)/a)*y1
class CurrentInput(AnalogInput): class CurrentInput(AnalogInput):
scale = 1e6 scale = 1e6