mirror of
https://github.com/nqrduck/nqrduck-spectrometer-limenqr.git
synced 2024-09-07 20:10:35 +00:00
Added preliminary drivers for lime spectrometer w. permission from Andrin Doll.
This commit is contained in:
parent
e5c98cbf3a
commit
a988ca1a06
6 changed files with 4218 additions and 7 deletions
7
.gitignore
vendored
7
.gitignore
vendored
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@ -20,10 +20,3 @@ venv/
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# Other
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*.DS_Store
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# Contrib files without permission
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src/nqrduck_spectrometer_limenqr/contrib/limr.py
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src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB.cpp
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src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB
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src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2
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src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2.cpp
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533
src/nqrduck_spectrometer_limenqr/contrib/limr.py
Normal file
533
src/nqrduck_spectrometer_limenqr/contrib/limr.py
Normal file
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@ -0,0 +1,533 @@
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# -*- coding: utf-8 -*-
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"""
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Created on Fri Dec 7 10:46:20 2018
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@author: andrin
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Class that eases interfacing with the limesdr routines written in Cpp,
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notably the pulse_test_USB and pulseN_test_USB routines, which runs a pulse sequence
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according to passed arguments
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The class allows for setting of the arguments as well as for parametric sweeps to
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implement arbitrary sequences
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Note for release: The communication between the python and the Cpp routine is very rudimentary, meaning using command line arguments that are parametrically read from the Cpp source.
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Update Feb 2020: Slight changes to make it compatible with Python 3
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"""
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import subprocess # to call the program
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import datetime # to generate timestamps for parsweeps
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import h5py # to have organized data storage.....
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import numpy as np # ...
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import matplotlib.pyplot as plt
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class limr():
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def __init__(self, filename = './pulseN_USB.cpp'):
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# check first for the filename provided
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if filename[-3:] == 'cpp':
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self.Csrc = filename
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else:
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self.Csrc = './pulseN_USB.cpp'
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# the program to call
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self.Cprog = self.Csrc[:-4]
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fp = open(self.Csrc, 'r')
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in_arg = {}
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startpattern = 'struct Config2HDFattr_t HDFattr[]'
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stoppattern = '};'
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parsing = False
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ii_oupargs = 0
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for line in fp.readlines():
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if (stoppattern in line) & parsing:
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break
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if parsing:
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stripped = line.replace('\t','').replace('"','').strip('\n').strip(',').strip('{').strip('}')
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splitted = stripped.split(',')
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# remove irrrelevant stuff
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rmvidx = range(4,len(splitted)-1)
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for ii in range(len(rmvidx)):
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splitted.pop(4)
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if splitted[0] == '///':
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splitted[0] = '//' + str(ii_oupargs)
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ii_oupargs+=1
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in_arg[splitted[0]] = splitted
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in_arg[splitted[0]][0] = []
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if startpattern in line:
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parsing = True
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fp.close()
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self.parsinp = in_arg
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for key in in_arg:
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setattr(self, key, in_arg[key][0])
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# initialize other variables
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self.parvar = {}
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self.parvar_cpl = {}
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self.HDFfile = []
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self.HDF = HDF()
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self.segcount = 0
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# print the arguments that have been set
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def print_params(self, allel = False):
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for key in sorted(self.parsinp):
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val = getattr(self,key)
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if (val != []) | (allel):
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print('{:<5}: {:>50} {:<25}'.format(key, val, self.parsinp[key][1]))
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# add parameter variation:
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# key is the argument to vary
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# idx the indices of values
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# strt the starting point
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# end the endpoint
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# npts the dimension of the sweep
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def parsweep(self, key, strt, end, npts, idx = 0):
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if ~isinstance(idx,list): idx = [idx] # idx as list eases iteration
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# check the key
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try:
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vals = getattr(self,key)
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except:
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print('Problem with sweep: Key ' + key + ' is not valid! See below for valid keys')
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self.print_params(allel=True)
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return
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# check for existing val and for proper dimension. Dimension is a priori not known due to number of pulses that can be flexible
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if (vals == []):
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print('Problem with sweep: Initialize first a value to argument ' + key +'. I will try with assuming zero')
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vals = 0;
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if isinstance(vals, (list, np.ndarray)):
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if len(vals) < max(idx):
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print('Problem with sweep: ' + key + ' has only ' + str(len(vals)) + ' objects, while an index of ' + str(max(idx)) + ' was requested!')
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return
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startlist = [[vals[jj] for jj in range(len(vals))] for ii in range(npts)]
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elif max(idx) > 0:
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print('Problem with sweep: ' + key + ' is scalar, while an index of ' + str(max(idx)) + ' was requested!')
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return
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else:
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startlist = [[vals] for ii in range(npts)]
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# check if a parvar already exists for this key
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if len(self.parvar) == 0:
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self.parvar['sweeplist'] = startlist
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elif not((key == self.parvar['key']) & (npts == self.parvar['dim'])):
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self.parvar['sweeplist'] = startlist
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self.parvar['key'] = key
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self.parvar['dim'] = npts
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if npts > 1:
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incr = (end - strt)/(npts-1)
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else:
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incr = 0;
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for ii_swp in range(npts):
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for swp_idx in idx:
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self.parvar['sweeplist'][ii_swp][swp_idx] = strt + ii_swp*incr
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# add coupled parameter variation of another variable: (one variable is not enough... two neither, but better than one. A list of dicts would more general....)
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# key is the argument to vary
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# idx the indices of values
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# strt the starting point
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# end the endpoint
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# npts the dimension of the sweep
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def parsweep_cpl(self, key, strt, end, npts, idx = 0):
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if ~isinstance(idx,list): idx = [idx] # idx as list eases iteration
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# check the key
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try:
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vals = getattr(self,key)
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except:
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print('Problem with sweep: Key ' + key + ' is not valid! See below for valid keys')
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self.print_params(allel=True)
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return
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# check for existing val and for proper dimension. Dimension is a priori not known due to number of pulses that can be flexible
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if (vals == []):
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print('Problem with sweep: Initialize first a value to argument ' + key +'. I will try with assuming zero')
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vals = 0;
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if isinstance(vals, (list, np.ndarray)):
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if len(vals) < max(idx):
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print('Problem with sweep: ' + key + ' has only ' + str(len(vals)) + ' objects, while an index of ' + str(max(idx)) + ' was requested!')
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return
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startlist = [[vals[jj] for jj in range(len(vals))] for ii in range(npts)]
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elif max(idx) > 0:
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print('Problem with sweep: ' + key + ' is scalar, while an index of ' + str(max(idx)) + ' was requested!')
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return
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else:
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startlist = [[vals] for ii in range(npts)]
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# check if a parvar already exists for this key
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if len(self.parvar_cpl) == 0:
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self.parvar_cpl['sweeplist'] = startlist
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elif not((key == self.parvar_cpl['key']) & (npts == self.parvar_cpl['dim'])):
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self.parvar_cpl['sweeplist'] = startlist
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self.parvar_cpl['key'] = key
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self.parvar_cpl['dim'] = npts
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incr = (end - strt)/(npts-1)
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for ii_swp in range(npts):
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for swp_idx in idx:
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self.parvar_cpl['sweeplist'][ii_swp][swp_idx] = strt + ii_swp*incr
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def run(self, oup = True):
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# check if there is a parvar or only a single
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if len(self.parvar) == 0:
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self.__run_single(oup)
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else:
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# store the value currently in the swept parameter
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stdval = getattr(self, self.parvar['key'])
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if len(self.parvar_cpl) != 0:
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stdval2 = getattr(self, self.parvar_cpl['key'])
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# handle the timestamp
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stddatestr = getattr(self,'fst')
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if (stddatestr == []):
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setattr(self, 'fst', datetime.datetime.now().strftime("%Y%m%d_%H%M%S"))
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# give it a useful name
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stdfilepat = getattr(self,'fpa')
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if (stdfilepat == []):
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setattr(self, 'fpa', self.parvar['key'] + '_swp')
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# actual iteration over the sweeplist
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for ii in range(self.parvar['dim']):
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setattr(self, self.parvar['key'], self.parvar['sweeplist'][ii])
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if len(self.parvar_cpl) != 0: # as well as the coupled variable
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setattr(self, self.parvar_cpl['key'], self.parvar_cpl['sweeplist'][ii])
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self.__run_single(oup)
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# save parvar info as attribute, which means that we need to detect the file
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if getattr(self,'nos') != 0: # this one is suspicious...
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if self.HDFfile == []:
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self.HDFfile = self.__guess_savepath()
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try:
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# this is probably erroneous and was never recognized...! self.parvar is not a key/value pair
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f = h5py.File(self.HDFfile, 'r+')
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for key in self.parvar:
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f.attrs.create(key, self.parvar[key])
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f.close()
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except:
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print('Problem opening file ' + self.HDFfile)
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setattr(self, self.parvar['key'], stdval) # set back to non-swept value
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setattr(self, 'fst', stddatestr) # set back to non-swept value
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setattr(self, 'fpa', stdfilepat) # set back to non-swept value
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if len(self.parvar_cpl) != 0:
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setattr(self, self.parvar_cpl['key'], stdval2) # set back to non-swept value
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def readHDF(self, filename = ''):
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if filename != '':
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self.HDFfile = filename
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self.HDF.load(self.HDFfile)
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# helper functoin to guess the savepath from the file. This should not be called, since it should be obtained from the output of the program call
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def __guess_savepath(self):
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savepath = getattr(self,'spt')
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if savepath == []: savepath = './asdf/' # not recommended here: knowledge about the standard directory in the cpp file.... could be parsed, but user will usually provide a folder to limr.spt
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if savepath[-1] != '/': savepath += '/' # and that little fix since users seldomly put the '/' for the directory...
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savepath = savepath + getattr(self,'fst') + '_' + getattr(self,'fpa') + '.h5'
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return savepath
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# run for one single constellation
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def __run_single(self, oup = True):
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terminated = False
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while (terminated == False):
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str2call= self.Cprog
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for key in self.parsinp:
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vals = getattr(self,key)
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if (vals == []): continue # ignore arguments that are not set
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str2call += ' -' + key # set the key and then the value/s
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if isinstance(vals, (list, np.ndarray)):
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for val in vals:
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str2call += ' ' + str(val)
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else:
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str2call += ' ' + str(vals)
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if oup: print(str2call)
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p = subprocess.Popen(str2call.split(), shell=False, stdout=subprocess.PIPE, stderr=subprocess.STDOUT);
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if getattr(self,'nos') != 0:
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terminated = True
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for line_b in p.stdout.readlines():
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line = line_b.decode('utf-8').rstrip()
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if oup: print(line),
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if '.h5' in line:
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self.HDFfile = line
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terminated = True
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if 'Unable to open device' in line:
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terminated = True
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if 'Muted output, exiting immediate' in line:
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terminated = True
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if self.Cprog + ': not found' in line:
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terminated = True
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if 'Devices found: 0' in line:
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terminated = True
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if 'Segmentation' in line:
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self.segcount += 1
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terminated = False
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self.retval = p.wait()
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if terminated == False:
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print('RE-RUNNING DUE TO PROBLEM WITH SAVING!!!')
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# class for accessing data of stored HDF5 file
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class HDF():
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def __init__(self, filename = ''):
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# check first for the filename provided
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if filename != '':
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self.HDFsrc = filename
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else:
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self.HDFsrc = ''
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# get data
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self.__get_data()
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# just an alias for __init__ that does load a specific file
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def load(self, filename = ''):
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self.__init__(filename)
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# gets the data of the file
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def __get_data(self):
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if (self.HDFsrc == '') | (self.HDFsrc == []):
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# initialize all as empty
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self.tdy = []
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self.tdx = []
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self.attrs = []
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self.parsoutp = {}
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self.parvar = {}
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else:
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f = h5py.File(self.HDFsrc, 'r')
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HDFkeys = list(f.keys())
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for ii, HDFkey in enumerate(HDFkeys):
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if ii == 0:
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# initialize data array
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dsize = f[HDFkey].shape
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inddim = dsize[0]
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self.tdy = np.zeros((int(dsize[1]/2), int(dsize[0] * len(HDFkeys))),dtype=np.complex_)
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# initialize the output objects
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self.attrs = [dynclass() for jj in range(len(HDFkeys))]
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# get the attribute keys
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self.parsoutp = {}
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ii_oupargs = 0
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for item in f[HDFkey].attrs.items():
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itemname = item[0][5:]
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itemarg = item[0][1:4]
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if not ('///' in itemarg):
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self.parsoutp[itemarg] = [ item[1], itemname]
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else:
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self.parsoutp['//'+str(ii_oupargs)] = [ item[1], itemname]
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ii_oupargs+=1
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# look for eventual parvar lists
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self.parvar = {}
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for item in f.attrs.items():
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self.parvar[item[0]] = item[1]
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# Get the data
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data_raw = np.array(f[HDFkey])
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try:
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self.tdy[:,ii*inddim:(ii+1)*inddim] = np.transpose(np.float_(data_raw[:,::2])) + 1j*np.transpose(np.float_(data_raw[:,1::2]))
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except:
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pass
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# Get the arguments
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ii_oupargs = 0
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for item in f[HDFkey].attrs.items():
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itemname = item[0][5:]
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itemarg = item[0][1:4]
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if not ('///' in itemarg):
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setattr(self.attrs[ii], itemarg, item[1])
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else:
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setattr(self.attrs[ii], '//'+str(ii_oupargs), item[1])
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ii_oupargs+=1
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f.close()
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srate_MHz = getattr(self.attrs[0], 'sra')*1e-6
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self.tdx = 1/srate_MHz*np.arange(self.tdy.shape[0])
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# get an argument by matching the text description
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def attr_by_txt(self, pattern):
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for key in sorted(self.parsoutp):
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if pattern in self.parsoutp[key][1]: # pattern match
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attr = getattr(self.attrs[0], key)
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try:
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ouparr = np.zeros( ( len(attr), len(self.attrs)), attr.dtype)
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except:
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ouparr = np.zeros( ( 1, len(self.attrs)), attr.dtype)
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for ii in np.arange(len(self.attrs)):
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ouparr[:,ii] = getattr(self.attrs[ii], key)
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return np.transpose(ouparr)
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print('Problem obtaining the attribute from the description using the pattern ' + pattern + '!')
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print('Valid descriptions are: ')
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self.print_params()
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# get an argument by key
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def attr_by_key(self, key):
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if key in dir(self.attrs[0]):
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attr = getattr(self.attrs[0], key)
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try:
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ouparr = np.zeros( ( len(attr), len(self.attrs)), attr.dtype)
|
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except:
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ouparr = np.zeros( ( 1, len(self.attrs)), attr.dtype)
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for ii in np.arange(len(self.attrs)):
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ouparr[:,ii] = getattr(self.attrs[ii], key)
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return np.transpose(ouparr)
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print('Problem obtaining the attribute from key ' + key + '!')
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print('Valid keys are: ')
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self.print_params()
|
||||
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||||
|
||||
# print the arguments
|
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def print_params(self, ouponly = False):
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for key in sorted(self.parsoutp):
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val = getattr(self.attrs[0], key)
|
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if not('//' in key): # input argument?
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if ouponly: continue;
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print('{:<5}: {:>50} {:<25}'.format(key, val, self.parsoutp[key][1]))
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def plot_dta(self, fignum = 1, stack = False, dtamax = 0.0):
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if (fignum == 1) & stack: fignum = 2;
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if self.tdy != []:
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||||
|
||||
if dtamax == 0:
|
||||
dtamax = np.max(np.max(abs(self.tdy),axis=0))
|
||||
offset = 1.5*dtamax
|
||||
|
||||
plt.figure(fignum)
|
||||
plt.clf()
|
||||
if stack:
|
||||
for ii in np.arange(self.tdy.shape[1]):
|
||||
plt.plot(self.tdx, self.tdy[:,ii].real + ii* offset)
|
||||
else:
|
||||
plt.plot(self.tdx, self.tdy.real)
|
||||
plt.xlabel('$t$ [$\mu$s]')
|
||||
plt.ylabel('$y$ [Counts]')
|
||||
|
||||
# empty class to store dynamic attributes, basically for the attributes in HDF keys
|
||||
class dynclass:
|
||||
pass
|
||||
|
||||
|
||||
# addendum that does not fit 100% into this class file, but is related
|
||||
# class to control the E3631A via serial interface
|
||||
import serial
|
||||
import time
|
||||
from os import listdir
|
||||
|
||||
class PSU():
|
||||
|
||||
def __init__(self):
|
||||
|
||||
self.GperV = 14.309
|
||||
self.sleeptime = 0.4
|
||||
|
||||
devdir = '/dev/'
|
||||
ttydevs = [f for f in listdir(devdir) if 'ttyUSB' in f]
|
||||
# ttydev = devdir + [f for f in ttydevs if int(f[-1]) > 4][0]
|
||||
ttydev = devdir + [f for f in ttydevs][0]
|
||||
|
||||
self.psu=serial.Serial(ttydev, stopbits=2, dsrdtr=True)
|
||||
|
||||
# read at the beginning to remove eventual junk
|
||||
response = self.psu.read_all()
|
||||
|
||||
self.psu.write("*IDN?\r\n")
|
||||
time.sleep(self.sleeptime)
|
||||
response = self.psu.read_all()
|
||||
if response == 'HEWLETT-PACKARD,E3631A,0,2.1-5.0-1.0\r\n':
|
||||
print('Success in opening the HP PSU!')
|
||||
else:
|
||||
print('Fail!!!')
|
||||
|
||||
self.psu.write("INST:SEL P6V\r\n")
|
||||
time.sleep(self.sleeptime)
|
||||
self.psu.write("OUTP:STAT ON\r\n")
|
||||
time.sleep(self.sleeptime)
|
||||
|
||||
self.psu.close()
|
||||
|
||||
|
||||
def getVoltage(self):
|
||||
|
||||
if not self.psu.isOpen():
|
||||
self.psu.open()
|
||||
# read at the beginning to remove eventual junk
|
||||
self.psu.read_all()
|
||||
time.sleep(self.sleeptime)
|
||||
self.psu.write("VOLT?\r\n")
|
||||
time.sleep(self.sleeptime)
|
||||
actval = float(self.psu.read_all())
|
||||
self.psu.close()
|
||||
return actval
|
||||
|
||||
|
||||
def setVoltage(self, setval, dV = 0.02, ramptime = 0.1):
|
||||
|
||||
actval = self.getVoltage()
|
||||
|
||||
diff = setval - actval
|
||||
dVsigned = dV * (-1 if diff < 0 else 1)
|
||||
|
||||
if not self.psu.isOpen():
|
||||
self.psu.open()
|
||||
while (abs(diff) > dV):
|
||||
actval += dVsigned
|
||||
diff -= dVsigned
|
||||
self.psu.write("VOLT " + str(actval) + "\r\n")
|
||||
time.sleep(ramptime)
|
||||
|
||||
self.psu.write("VOLT " + str(setval) + "\r\n")
|
||||
time.sleep(ramptime)
|
||||
|
||||
self.psu.close()
|
||||
|
||||
def getField(self):
|
||||
|
||||
return self.getVoltage() * self.GperV
|
||||
|
||||
def setField(self, field):
|
||||
|
||||
return self.setVoltage(field / self.GperV)
|
BIN
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB
Executable file
BIN
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB
Executable file
Binary file not shown.
1834
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB.cpp
Normal file
1834
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB.cpp
Normal file
File diff suppressed because it is too large
Load diff
BIN
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2
Executable file
BIN
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2
Executable file
Binary file not shown.
1851
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2.cpp
Normal file
1851
src/nqrduck_spectrometer_limenqr/contrib/pulseN_test_USB_TX2.cpp
Normal file
File diff suppressed because it is too large
Load diff
Loading…
Reference in a new issue