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authorEugeniy E. Mikhailov <evgmik@gmail.com>2021-04-09 00:02:22 -0400
committerEugeniy E. Mikhailov <evgmik@gmail.com>2021-04-09 00:02:22 -0400
commit75b8193daf5c3364fd3d760b725bb2f5d4daa4f0 (patch)
treeddf337edaadbc206be8b9fbce61244bc88e233f7 /eitControl.py
parent1fbf0bb826f88f63e84010c629b2f768f8d5e6cd (diff)
downloadpyExpControl-75b8193daf5c3364fd3d760b725bb2f5d4daa4f0.tar.gz
pyExpControl-75b8193daf5c3364fd3d760b725bb2f5d4daa4f0.zip
make separate class for function generators
Diffstat (limited to 'eitControl.py')
-rw-r--r--eitControl.py156
1 files changed, 1 insertions, 155 deletions
diff --git a/eitControl.py b/eitControl.py
index 23c611e..41ee265 100644
--- a/eitControl.py
+++ b/eitControl.py
@@ -15,161 +15,7 @@ from matplotlib.backends.backend_tkagg import (FigureCanvasTkAgg, NavigationTool
import csv
import ue9qol
-
-class SinGen:
- def __init__(self, ampl=1, offset=0, phase=0, sweeper=None):
- self.ampl = ampl
- self.phase = phase
- self.sweeper = sweeper
- self.offset = offset
-
- def getValue(self, sweeper=None):
- if sweeper is None and self.sweeper is None:
- print("Error: generator needs sweeper")
- return 0
- if sweeper is None:
- sweeper = self.sweeper
- return self.ampl * np.sin( 2*np.pi*sweeper.getRelPos()) + self.offset
-
-class RampGen:
- # monotonically goes from start to stop, at final point move to start
- def __init__(self, start=0, stop=0, sweeper=None):
- self.start = start
- self.stop = stop
- self.sweeper = sweeper
-
- def getValue(self, sweeper=None):
- if sweeper is None and self.sweeper is None:
- print("Error: generator needs sweeper")
- return 0
- if sweeper is None:
- sweeper = self.sweeper
- return self.start + sweeper.getRelPos()*(self.stop - self.start)
-
-class TriangleGen:
- # monotonically goes from start to stop, once reaches stop goes back to start
- def __init__(self, start=0, stop=0, sweeper=None):
- self.start = start
- self.stop = stop
- self.sweeper = sweeper
-
- def getValue(self, sweeper=None):
- if sweeper is None and self.sweeper is None:
- print("Error: generator needs sweeper")
- return 0
- if sweeper is None:
- sweeper = self.sweeper
- if sweeper.getRelPos() < 0.5:
- return self.start + 2*sweeper.getRelPos()*(self.stop - self.start)
- return self.start + 2*(1-sweeper.getRelPos())*(self.stop - self.start)
-
-class PulseGen:
- # monotonically goes from start to stop, once reaches stop goes back to start
- def __init__(self, ampl=1, sweeper=None):
- self.ampl = ampl
- self.sweeper = sweeper
-
- def getValue(self, sweeper=None):
- if sweeper is None and self.sweeper is None:
- print("Error: generator needs sweeper")
- return 0
- if sweeper is None:
- sweeper = self.sweeper
- if sweeper.getRelPos() < 0.5:
- return self.ampl
- return 0
-
-class Sweeper:
- def __init__(self, widget, Npoints, SweepTime, onTicCallbacks=[]):
- # walk from start to stop with Npoints
- # cnt = 1 corresponds to start
- # cnt = Npoints corresponds to stop
- # variables like relVar are relative to the start of the period
- self.cnt = 0 # onTic will increase it right away
- self.widget = widget
- self.Npoints = Npoints
- self.start = 1
- self.stop = self.Npoints
- self.SweepTime = SweepTime
- self.onTicCallbacks = onTicCallbacks
- self.isOn = False
- self.isRestart = True
- self.isTicRunning = False
-
- self.span = self.stop - self.start
- self.center = (self.stop + self.start)/2
- self.dPos = self.span/(self.Npoints-1)
- self.dT = self.SweepTime/(self.Npoints-1)
- self.dTmS = round(self.dT*1000) # dT in milliseconds
-
- def reset(self):
- self.cnt = 0 # onTic will increase it right away
- self.isRestart = False
- self.startTime = datetime.now()
-
- def onTic(self):
- start = datetime.now()
- deadline = start + timedelta(milliseconds=self.dTmS)
-
- if not self.isOn:
- self.isTicRunning = False
- return
- self.isTicRunning = True
- if self.isRestart:
- self.reset()
- self.isRestart = False
- self.incr()
- for cb in self.onTicCallbacks:
- cb(self)
- stop = datetime.now()
- self.isTicRunning = False
- if stop > deadline:
- runTime = (stop-start).seconds + float((stop-start).microseconds)/1000000
- print("Overrun: Callbacks took %s seconds instead of %s" % (runTime, self.dTmS/1000) )
- self.widget.after(0, self.onTic)
-
- idleTime_mS = round((deadline-stop).seconds * 1000 + (deadline-stop).microseconds/1000)
- # print("Will idle for %s" % (idleTime_mS) )
- self.widget.after(idleTime_mS, self.onTic)
-
-
- def cmdRestart(self):
- self.cnt = 0
- if self.isOn:
- self.isRestart = True
- return
- self.reset()
- self.isOn = True
- self.onTic()
-
- def cmdStart(self):
- self.isOn = True
- self.onTic()
-
- def cmdStop(self):
- self.isOn = False
-
- def incr(self):
- self.cnt += 1
- self.updPos()
-
- def updPos(self):
- self.relCnt = 1 + ((self.cnt-1) % self.Npoints)
- self.pos = self.start + self.dPos * (self.relCnt - 1)
- self.relPos = (self.pos-self.start)/self.span
-
- def getCnt(self):
- return self.cnt
-
- def getRelCnt(self):
- return self.relCnt
-
- def getPos(self):
- return self.pos
-
- def getRelPos(self):
- return self.relPos
-
+from funcGenerator import Sweeper, SinGen, TriangleGen, RampGen, PulseGen
class Experiment: