bmarechal / datalogger-gui

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instruments/AG34461A.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import socket
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['DCV', 'ACV', 'DCI', 'ACI', 'RES2W', 'RES4W', 'FREQ']
7 ALL_CHANNELS = ['1']
8
9 ADRESS = "192.168.0.61"
10 CONF_VAL_TYPE = ['CONF:VOLT:DC', 'CONF:VOLT:AC', 'CONF:CURR:DC', 'CONF:CURR:AC', 'CONF:RES', 'CONF:FRES', 'CONF:FREQ']
11
12 #==============================================================================
13
14 class AG34461A(abstract_instrument):
15 def __init__(self, channels, vtypes, adress=ADRESS):
16 self.adress = adress
17 self.port = 5025
18 self.channels = channels
19 self.vtypes = vtypes
20
21 def model(self):
22 #self.send("*IDN?")
23 #return self.read()
24 return "AG34461A"
25
26 def connect(self):
27 print('Connecting to device @%s:%s...' %(self.adress, self.port))
28 self.sock = socket.socket(socket.AF_INET,
29 socket.SOCK_STREAM,
30 socket.IPPROTO_TCP)
31 self.sock.settimeout(10.0) # Don't hang around forever
32 self.sock.connect((self.adress, self.port))
33 self.send("SYST:BEEP")
34 print(' --> Ok')
35 print(self.model())
36 self.configure()
37
38 def configure(self):
39 for ch in self.channels:
40 self.send(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])])
41
42 def getValue(self):
43 mes = ''
44 for ch in self.channels:
45 self.send("READ?")
46 mesTemp = self.read()
47 mes = mes + '\t' + mesTemp
48 return mes
49
50 def read(self):
51 ans = ''
52 nb_data_list = []
53 nb_data = ''
54 try:
55 while ans != '\n':
56 ans = self.sock.recv(1)
57 nb_data_list.append(ans) # Return the number of data
58 list_size = len(nb_data_list)
59 for j in range (0, list_size):
60 nb_data = nb_data+nb_data_list[j]
instruments/AG34972A.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import socket
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['DCV', 'ACV', 'DCI', 'ACI', 'RES2W', 'RES4W', 'FREQ']
7 ALL_CHANNELS = ['101', '102', '103', '104', '105']
8
9 ADRESS = "192.168.0.72"
10 CONF_VAL_TYPE = ['CONF:VOLT:DC', 'CONF:VOLT:AC', 'CONF:CURR:DC', 'CONF:CURR:AC', 'CONF:RES', 'CONF:FRES', 'CONF:FREQ']
11
12 #==============================================================================
13
14 class AG34972A(abstract_instrument):
15 def __init__(self, channels, vtypes, adress):
16 self.adress = adress
17 self.port = 5025
18 self.channels = channels
19 self.vtypes = vtypes
20
21 def model(self):
22 #self.send("*IDN?")
23 #return self.read()
24 return "AG34972A"
25
26 def connect(self):
27 print('Connecting to device @%s:%s...' %(self.adress, self.port))
28 self.sock = socket.socket(socket.AF_INET,
29 socket.SOCK_STREAM,
30 socket.IPPROTO_TCP)
31 self.sock.settimeout(2.0) # Don't hang around forever
32 self.sock.connect((self.adress, self.port))
33 self.send("SYST:BEEP")
34 print(' --> Ok')
35 print(self.model())
36 self.configure()
37
38 def configure(self):
39 self.strCh = ''
40 for ch in self.channels:
41 self.send('%s (@%s)'%(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])], ch))
42 self.strCh = self.strCh + ch + ','
43 self.strCh = self.strCh[0:-1]
44 self.send("ROUT:SCAN (@%s)"%self.strCh)
45 self.send("TRIG:COUN 1")
46
47 def getValue(self):
48 self.send("INIT")
49 self.send("FETC?")
50 return self.read()
51
52 def read(self):
53 ans = ''
54 nb_data_list = []
55 nb_data = ''
56 try:
57 while ans != '\n':
58 ans = self.sock.recv(1)
59 nb_data_list.append(ans) # Return the number of data
60 list_size = len(nb_data_list)
61 for j in range (0, list_size):
instruments/LS350.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import socket
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['TEMP', 'RES']
7 ALL_CHANNELS = ['a', 'b', 'c', 'd']
8
9 ADRESS = "192.168.0.12"
10 CONF_VAL_TYPE = ['krdg?', 'srdg?']
11
12 #==============================================================================
13
14 class LS350(abstract_instrument):
15 def __init__(self, channels, vtypes, adress):
16 self.adress = adress
17 self.port = 7777
18 self.channels = channels
19 self.vtypes = vtypes
20
21 def model(self):
22 #self.send("*IDN?")
23 #return self.read()
24 return "LS350"
25
26 def connect(self):
27 print('Connecting to device @%s:%s...' %(self.adress, self.port))
28 self.sock = socket.socket(socket.AF_INET,
29 socket.SOCK_STREAM,
30 socket.IPPROTO_TCP)
31 self.sock.settimeout(10.0) # Don't hang around forever
32 self.sock.connect((self.adress, self.port))
33 print(' --> Ok')
34 print(self.model())
35 self.configure()
36
37 def configure(self):
38 self.strCh = ''
39 for ch in self.channels:
40 self.strCh = self.strCh + '%s %s;'%(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])], ch)
41 self.strCh = self.strCh[0:-1]
42 print(self.strCh)
43
44 def getValue(self):
45 self.send(self.strCh)
46 return self.read()
47
48 def read(self):
49 self.send("++read eoi")
50 ans = ''
51 nb_data_list = []
52 nb_data = ''
53 try:
54 while ans != '\n':
55 ans = self.sock.recv(1)
56 nb_data_list.append(ans) # Return the number of data
57 list_size = len(nb_data_list)
58 for j in range (0, list_size):
instruments/PM100D.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import os
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['PWR']
7 ALL_CHANNELS = ['1']
8
9 ADRESS = "/dev/usbtmc0"
10 CONF_VAL_TYPE = ['PWR']
11
12 #==============================================================================
13
14 class PM100D(abstract_instrument):
15 def __init__(self, channels, vtypes, adress):
16 self.adress = adress
17 self.channels = channels
18 self.vtypes = vtypes
19
20 def model(self):
21 #self.send("*IDN?")
22 #return self.read()
23 return "PM100D"
24
25 def connect(self):
26 print('Connecting to device @%s...' %(self.adress))
27 self.FILE = os.open(self.adress, os.O_RDWR)
28 print(' --> Ok')
29 print(self.model())
30 self.configure()
31
32 def configure(self):
33 pass
34
instruments/T7Pro.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 from labjack import ljm
3 import numpy
4
5 #==============================================================================
6
7 ALL_VAL_TYPE = ['TEMP', 'RES']
8 ALL_CHANNELS = ['TEMP', '1', '2', '3', '4']
9 ADRESS = "192.168.0.25"
10
11 #==============================================================================
12
13 class T7Pro(abstract_instrument):
14 def __init__(self, adress=ADRESS, vtype=[ALL_VAL_TYPE[0]], channels = [ALL_CHANNELS[0]]):
15 self.adress = adress
16 self.vtype = vtype
17 self.tempName = ["TEMPERATURE_AIR_K"]
18 self.res1Name = ["AIN0", "AIN10"]
19 self.res2Name = ["AIN2", "AIN11"]
20 self.res3Name = ["AIN4", "AIN12"]
21 self.res4Name = ["AIN6", "AIN13"]
22
23 def model(self):
24 return 'T7Pro'
25
26 def connect(self):
27 try:
28 print('Connecting to device @%s...' %(self.adress))
29 self.handle = ljm.openS("T7", "ETHERNET", self.adress)
30 self.configureAINs()
31 print(' --> Ok')
32
33 print(self.model())
34
35 if self.vtype == "TEMP":
36 1
37 elif self.vtype == "RES":
38 1
39 else:
40 print("Wrong -v argument")
41 raise
42
43 except Exception as er:
44 print("Unexpected error during connection: " + str(er))
45 raise
46
47 def getValue(self):
48 mesTemp = self.read(self.tempName)
49 mesRes1 = self.read(self.res1Name)
50 mesRes2 = self.read(self.res2Name)
51 mesRes3 = self.read(self.res3Name)
52 mesRes4 = self.read(self.res4Name)
53 # mesRes4 = [1, 1]
54 # print("~~~~~~~~~~~~~~~~~~~~~~\n" + str(results) + "~~~~~~~~~~~~~~~~~~~~~~\n")
55 temp = mesTemp[0]
56 res1 = 100.*mesRes1[0]/mesRes1[1]
57 res2 = 100.*mesRes2[0]/mesRes2[1]
58 res3 = 100.*mesRes3[0]/mesRes3[1]
59 res4 = 100.*mesRes4[0]/mesRes4[1]
60
61 if self.vtype == 'TEMP':
62 # Temperature calculation
63 temp1 = self.res2tempSensor(628, res1)
64 temp2 = self.res2tempSensor(16947, res2)
65 temp3 = self.res2tempSensor(625, res3)
66 temp4 = self.res2tempSensor(100, res4)
67 string = '%f\t%f\t%f\t%f\t%f\n'%(temp, temp1, temp2, temp3, temp4)
68 # string = '%f\t%f\n'%(temp, temp1)
69 elif self.vtype == 'RES':
70 string = '%f\t%f\t%f\t%f\t%f\n'%(temp, res1, res2, res3, res4)
71 # string = '%f\t%f\n'%(temp, res1)
72 else:
73 string = ''
74
75 return string
76
77 def read(self, names):
78 return ljm.eReadNames(self.handle, len(names), names)
79
80 def disconnect(self):
81 ljm.close(self.handle)
82
83 def send(self, command):
84 pass
85
86 def configureAINs(self):
87 # Setup and call eWriteNames to configure AINs on the LabJack.
88 names = ["AIN0_NEGATIVE_CH", "AIN0_RANGE", "AIN0_RESOLUTION_INDEX",
89 "AIN1_NEGATIVE_CH", "AIN1_RANGE", "AIN1_RESOLUTION_INDEX",
90 "AIN2_NEGATIVE_CH", "AIN2_RANGE", "AIN2_RESOLUTION_INDEX",
91 "AIN3_NEGATIVE_CH", "AIN3_RANGE", "AIN3_RESOLUTION_INDEX",
92 "AIN4_NEGATIVE_CH", "AIN4_RANGE", "AIN4_RESOLUTION_INDEX",
93 "AIN5_NEGATIVE_CH", "AIN5_RANGE", "AIN5_RESOLUTION_INDEX",
94 "AIN6_NEGATIVE_CH", "AIN6_RANGE", "AIN6_RESOLUTION_INDEX",
95 "AIN7_NEGATIVE_CH", "AIN7_RANGE", "AIN7_RESOLUTION_INDEX",
96 "AIN8_NEGATIVE_CH", "AIN8_RANGE", "AIN8_RESOLUTION_INDEX",
97 "AIN9_NEGATIVE_CH", "AIN9_RANGE", "AIN9_RESOLUTION_INDEX",
98 "AIN10_NEGATIVE_CH", "AIN10_RANGE", "AIN10_RESOLUTION_INDEX",
99 "AIN11_NEGATIVE_CH", "AIN11_RANGE", "AIN11_RESOLUTION_INDEX",
100 "AIN12_NEGATIVE_CH", "AIN12_RANGE", "AIN12_RESOLUTION_INDEX",
101 "AIN13_NEGATIVE_CH", "AIN13_RANGE", "AIN13_RESOLUTION_INDEX"
102 ]
103 l_names = len(names)
104 aValues = [1, 0.1, 12,#0
105 199, 0.1, 12,#1
106 3, 0.1, 12,#2
107 199, 0.1, 12,#3
108 5, 0.1, 12,#4
109 199, 0.1, 12,#5
110 7, 0.1, 12,#6
111 199, 0.1, 12,#7
112 199, 0.1, 12,#8
113 199, 0.1, 12,#9
114 199, 0.1, 12,#10
115 199, 0.1, 12,#11
116 199, 0.1, 12,#12
117 199, 0.1, 12#13
118 ]
119 ljm.eWriteNames(self.handle, l_names, names, aValues)
120
121
122 def res2tempSensor(self, sensor, res):
123 if sensor==627:
124 K = [0.399341181655472610,
125 10.8420092277810909,
126 -26.4597939187660813,
127 245.9828566655493379,
128 -668.069876596331596,
129 1001.69882618263364,
130 -267.272089680656791]
131 if sensor==625:
132 K = [0.333548856582638109,
133 11.7361551595386118,
134 -31.32988932320903987,
135 262.878643524833024,
136 -704.163538021035492,
137 1056.6040485650301,
138 -307.057196729816496]
139 if sensor==628:
140 K = [0.463200932294057566,
141 13.5049710820894688,
142 -30.5191222755238414,
143 231.098593852017075,
144 -550.122691885568202,
145 806.038547554984689,
146 -198.510489917360246]
147 if sensor==16945:
148 K = [3.2497, 5.1777, 2.499]
149 if sensor==16943:
150 K = [3.4738, 5.1198, 2.3681]
151 if sensor==16944:
152 K = [3.3674, 5.2874, 2.5165]
153 if sensor==16941:
154 K = [2.9486, 4.5862, 2.266]
instruments/TPG261.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import serial
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['PRE']
7 ALL_CHANNELS = ['1']
8 ADRESS = "/dev/ttyS0"
9
10 #==============================================================================
11
12 class TPG261(abstract_instrument):
13 def __init__(self, adress=ADRESS, vtype=[ALL_VAL_TYPE[0]], channels = [ALL_CHANNELS[0]]):
14 self.adress = adress
15 self.vtype = vtype
16
17 def model(self):
18 return "PfeifferTPG261"
19
20 def connect(self):
21 try:
22 print('Connecting to device @%s...' %(self.adress))
23 self.TPG = MaxiGauge(self.adress)
24 print(' --> Ok')
25
26 print(self.model())
27
28 if self.vtype == "PRE":
29 1
30 else:
31 print("Wrong -v argument")
32 raise
33
34 except Exception as er:
35 print("Unexpected error during connection: " + str(er))
36 raise
37
38 def getValue(self):
39 self.read()
40 return "%s\n"%self.ps[0].pressure
41
42 def read(self):
43 self.ps = self.TPG.pressures()
44
45 def disconnect(self):
46 self.TPG.disconnect()
47
48 def send(self, command):
49 pass
50
51
52
53
54 # from Philipp Klaus, philipp.l.klaus AT web.de PfeifferVacuum.py
55
56 class MaxiGauge (object):
57 def __init__(self, serialPort, baud=9600, debug=False):
58 self.debug=debug
59 try:
60 self.connection = serial.Serial(serialPort, baudrate=baud, timeout=0.2)
61 except serial.serialutil.SerialException as se:
62 raise MaxiGaugeError(se)
63 #self.send(C['ETX']) ### We might reset the connection first, but it doesn't really matter:
64
65 def checkDevice(self):
66 message = "The Display Contrast is currently set to %d (out of 20).\n" % self.displayContrast()
67 message += "Keys since MaxiGauge was switched on: %s (out of 1,2,3,4,5).\n" % ", ".join( map (str, self.pressedKeys()) )
68 return message
69
70 def pressedKeys(self):
71 keys = int(self.send('TKB',1)[0])
72 pressedKeys = []
73 for i in [4,3,2,1,0]: # It's got 5 keys
74 if keys/2**i == 1:
75 pressedKeys.append(i+1)
76 keys = keys%2**i
77 pressedKeys.reverse()
78 return pressedKeys
79
80 def displayContrast(self,newContrast=-1):
81 if newContrast == -1: return int(self.send('DCC',1)[0])
82 else: return int(self.send('DCC,%d' % (newContrast,) ,1)[0])
83
84 def pressures(self):
85 return [self.pressure(i+1) for i in range(1)]
86
87 def pressure(self, sensor):
88 if sensor < 1 or sensor >6: raise MaxiGaugeError('Sensor can only be between 1 and 6. You choose ' + str(sensor))
89 reading = self.send('PR%d' % sensor, 1) ## reading will have the form x,x.xxxEsx <CR><LF> (see p.88)
90 try:
91 r = reading[0].split(',')
92 status = int(r[0])
93 pressure = float(r[-1])
94 except:
95 raise MaxiGaugeError("Problem interpreting the returned line:\n%s" % reading)
96 return PressureReading(sensor, status, pressure)
97
98 def debugMessage(self, message):
99 if self.debug: print(repr(message))
100
101 def send(self, mnemonic, numEnquiries = 0):
102 self.connection.flushInput()
103 self.write(mnemonic+LINE_TERMINATION)
104 #if mnemonic != C['ETX']: self.read()
105 #self.read()
106 self.getACQorNAK()
107 response = []
108 for i in range(numEnquiries):
109 self.enquire()
110 response.append(self.read())
111 return response
112
113 def write(self,what):
114 self.debugMessage(what)
115 self.connection.write(what)
116
117 def enquire(self):
118 self.write(C['ENQ'])
119
120 def read(self):
121 data = ""
122 while True:
123 x = self.connection.read()
124 self.debugMessage(x)
125 data += x
126 if len(data)>1 and data[-2:]==LINE_TERMINATION:
127 break
128 return data[:-len(LINE_TERMINATION)]
129
130 def getACQorNAK(self):
131 returncode = self.connection.readline()
132 self.debugMessage(returncode)
133 ## The following is usually expected but our MaxiGauge controller sometimes forgets this parameter... That seems to be a bug with the DCC command.
134 #if len(returncode)<3: raise MaxiGaugeError('Only received a line termination from MaxiGauge. Was expecting ACQ or NAK.')
135 if len(returncode)<3: self.debugMessage('Only received a line termination from MaxiGauge. Was expecting ACQ or NAK.')
136 if len(returncode)>2 and returncode[-3] == C['NAK']:
137 self.enquire()
138 returnedError = self.read()
139 error = str(returnedError).split(',' , 1)
140 print repr(error)
141 errmsg = { 'System Error': ERR_CODES[0][int(error[0])] , 'Gauge Error': ERR_CODES[1][int(error[1])] }
142 raise MaxiGaugeNAK(errmsg)
143 #if len(returncode)>2 and returncode[-3] != C['ACQ']: raise MaxiGaugeError('Expecting ACQ or NAK from MaxiGauge but neither were sent.')
144 if len(returncode)>2 and returncode[-3] != C['ACQ']: self.debugMessage('Expecting ACQ or NAK from MaxiGauge but neither were sent.')
145 # if no exception raised so far, the interface is just fine:
146 return returncode[:-(len(LINE_TERMINATION)+1)]
147
148 def disconnect(self):
149 #self.send(C['ETX'])
150 if hasattr(self, 'connection') and self.connection: self.connection.close()
151
152 def __del__(self):
153 self.disconnect()
154
155 class PressureReading(object):
156 def __init__(self, id, status, pressure):
157 if int(id) not in range(1,7): raise MaxiGaugeError('Pressure Gauge ID must be between 1-6')
158 self.id = int(id)
159 if int(status) not in PRESSURE_READING_STATUS.keys(): raise MaxiGaugeError('The Pressure Status must be in the range %s' % PRESSURE_READING_STATUS.keys())
160 self.status = int(status)
161 self.pressure = float(pressure)
162
163 def statusMsg(self):
164 return PRESSURE_READING_STATUS[self.status]
165
166 def __repr__(self):
167 return "Gauge #%d: Status %d (%s), Pressure: %f mbar\n" % (self.id, self.status, self.statusMsg(), self.pressure)
168
169
170 ### ------ now we define the exceptions that could occur ------
171
172 class MaxiGaugeError(Exception):
173 pass
174
175 class MaxiGaugeNAK(MaxiGaugeError):
176 pass
177
178 ### ------- Control Symbols as defined on p. 81 of the english
179 ### manual for the Pfeiffer Vacuum TPG256A -----------
180 C = {
181 'ETX': "\x03", # End of Text (Ctrl-C) Reset the interface
182 'CR': "\x0D", # Carriage Return Go to the beginning of line
183 'LF': "\x0A", # Line Feed Advance by one line
184 'ENQ': "\x05", # Enquiry Request for data transmission
185 'ACQ': "\x06", # Acknowledge Positive report signal
186 'NAK': "\x15", # Negative Acknowledge Negative report signal
187 'ESC': "\x1b", # Escape
188 }
189
190 LINE_TERMINATION=C['CR']+C['LF'] # CR, LF and CRLF are all possible (p.82)
191
192 ### Mnemonics as defined on p. 85
193 M = [
194 'BAU', # Baud rate Baud rate 95
195 'CAx', # Calibration factor Sensor x Calibration factor sensor x (1 ... 6) 92
196 'CID', # Measurement point names Measurement point names 88
197 'DCB', # Display control Bargraph Bargraph 89
198 'DCC', # Display control Contrast Display control contrast 90
199 'DCD', # Display control Digits Display digits 88
200 'DCS', # Display control Screensave Display control screensave 90
201 'DGS', # Degas Degas 93
202 'ERR', # Error Status Error status 97
203 'FIL', # Filter time constant Filter time constant 92
204 'FSR', # Full scale range of linear sensors Full scale range of linear sensors 93
205 'LOC', # Parameter setup lock Parameter setup lock 91
206 'NAD', # Node (device) address for RS485 Node (device) address for RS485 96
207 'OFC', # Offset correction Offset correction 93
208 'OFC', # Offset correction Offset correction 93
209 'PNR', # Program number Program number 98
210 'PRx', # Status, Pressure sensor x (1 ... 6) Status, Pressure sensor x (1 ... 6) 88
211 'PUC', # Underrange Ctrl Underrange control 91
212 'RSX', # Interface Interface 94
213 'SAV', # Save default Save default 94
214 'SCx', # Sensor control Sensor control 87
215 'SEN', # Sensor on/off Sensor on/off 86
216 'SPx', # Set Point Control Source for Relay xThreshold value setting, Allocation 90
217 'SPS', # Set Point Status A,B,C,D,E,F Set point status 91
218 'TAI', # Test program A/D Identify Test A/D converter identification inputs 100
219 'TAS', # Test program A/D Sensor Test A/D converter measurement value inputs 100
220 'TDI', # Display test Display test 98
221 'TEE', # EEPROM test EEPROM test 100
222 'TEP', # EPROM test EPROM test 99
223 'TID', # Sensor identification Sensor identification 101
224 'TKB', # Keyboard test Keyboard test 99
225 'TRA', # RAM test RAM test 99
226 'UNI', # Unit of measurement (Display) Unit of measurement (pressure) 89
227 'WDT', # Watchdog and System Error Control Watchdog and system error control 101
228 ]
229
230
instruments/__init__.py
Diff comments   View file @ 91efd0e
File was created 1 from os import listdir
2 from os.path import dirname
3
4 for module in listdir(dirname(__file__)):
5 if module == '__init__.py' or module == 'abstract_instrument.py' or module[-3:] != '.py':
6 continue
7 __import__(module[:-3], locals(), globals())
instruments/abstract_instrument.py
Diff comments   View file @ 91efd0e
File was created 1 import abc
2
3 class abstract_instrument(object):
4 __metaclass__ = abc.ABCMeta
5
6 @abc.abstractmethod
7 def __init__(self, adress, vtype, channel):
8 """Build the class"""
9 return
10
11 @abc.abstractmethod
12 def model(self):
13 """return the instrument model"""
14 return
15
16 @abc.abstractmethod
17 def connect(self):
18 """Create a connection with the instrument"""
19 return
20
21 @abc.abstractmethod
22 def disconnect(self):
23 """Disconnect the instrument"""
24 return
25
26 @abc.abstractmethod
27 def configure(self):
28 """Configure the instrument"""
29 return
30
31 @abc.abstractmethod
32 def read(self):
33 """read the buffer"""
34 return
35
instruments/testDevice.py
Diff comments   View file @ 91efd0e
File was created 1 from abstract_instrument import abstract_instrument
2 import numpy, time
3
4 #==============================================================================
5
6 ALL_VAL_TYPE = ['vtype', 'DCV', 'ACV', 'DCI', 'ACI', 'RES2W', 'RES4W', 'FREQ']
7 ALL_CHANNELS = ['0', '1']
8 ADRESS = "123.456.789.123"
9
10 #==============================================================================
11
12 class testDevice(abstract_instrument):
13 def __init__(self, channels, vtype, adress = ADRESS):
14 self.adress = adress
15 self.port = 9999
16 self.channels = channels
17 print(self.channels)
18 self.vtype = vtype
19 print(self.vtype)
20
21 def model(self):
22 return 'test_device'
23
24 def connect(self):
25 print('Connecting to device @%s:%s...' %(self.adress, self.port))
26 time.sleep(1)
27 print(' --> Ok')
28
29 print(self.model())
30
31 def getValue(self):
32 mes = ""
33 for ch in self.channels:
34 mes = mes + str(numpy.random.rand()) + '\t'