@@ -1,373 +1,374 | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | #-*- coding: utf-8 -*- |
|
2 | #-*- coding: utf-8 -*- | |
3 | """Simple python library to drive the analog discovery module from www.digilentinc.com |
|
3 | """Simple python library to drive the analog discovery module from www.digilentinc.com | |
4 | """ |
|
4 | """ | |
5 |
|
5 | |||
6 | from ctypes import * |
|
6 | from ctypes import * | |
7 | import time |
|
7 | import time | |
8 | import sys |
|
8 | import sys | |
9 | import os |
|
9 | import os | |
10 | import matplotlib.pyplot as plt |
|
10 | import matplotlib.pyplot as plt | |
11 | import numpy as np |
|
11 | import numpy as np | |
12 |
|
12 | |||
13 | __author__ = "Alexis Jeandet" |
|
13 | __author__ = "Alexis Jeandet" | |
14 | __copyright__ = "Copyright 2015, Laboratory of Plasma Physics" |
|
14 | __copyright__ = "Copyright 2015, Laboratory of Plasma Physics" | |
15 | __credits__ = [] |
|
15 | __credits__ = [] | |
16 | __license__ = "GPLv2" |
|
16 | __license__ = "GPLv2" | |
17 | __version__ = "1.0.0" |
|
17 | __version__ = "1.0.0" | |
18 | __maintainer__ = "Alexis Jeandet" |
|
18 | __maintainer__ = "Alexis Jeandet" | |
19 | __email__ = "alexis.jeandet@member.fsf.org" |
|
19 | __email__ = "alexis.jeandet@member.fsf.org" | |
20 | __status__ = "Production" |
|
20 | __status__ = "Production" | |
21 |
|
21 | |||
22 |
|
22 | |||
23 | nodev = c_int(0) |
|
23 | nodev = c_int(0) | |
24 | DwfStateDone = c_int(2) |
|
24 | DwfStateDone = c_int(2) | |
25 |
|
25 | |||
26 | DECIAnalogInChannelCount = c_int(1) |
|
26 | DECIAnalogInChannelCount = c_int(1) | |
27 | DECIAnalogOutChannelCount = c_int(2) |
|
27 | DECIAnalogOutChannelCount = c_int(2) | |
28 | DECIAnalogIOChannelCount = c_int(3) |
|
28 | DECIAnalogIOChannelCount = c_int(3) | |
29 | DECIDigitalInChannelCount = c_int(4) |
|
29 | DECIDigitalInChannelCount = c_int(4) | |
30 | DECIDigitalOutChannelCount = c_int(5) |
|
30 | DECIDigitalOutChannelCount = c_int(5) | |
31 | DECIDigitalIOChannelCount = c_int(6) |
|
31 | DECIDigitalIOChannelCount = c_int(6) | |
32 | DECIAnalogInBufferSize = c_int(7) |
|
32 | DECIAnalogInBufferSize = c_int(7) | |
33 | DECIAnalogOutBufferSize = c_int(8) |
|
33 | DECIAnalogOutBufferSize = c_int(8) | |
34 | DECIDigitalInBufferSize = c_int(9) |
|
34 | DECIDigitalInBufferSize = c_int(9) | |
35 | DECIDigitalOutBufferSize = c_int(10) |
|
35 | DECIDigitalOutBufferSize = c_int(10) | |
36 |
|
36 | |||
37 | trigsrcNone = c_byte(0) |
|
37 | trigsrcNone = c_byte(0) | |
38 | trigsrcPC = c_byte(1) |
|
38 | trigsrcPC = c_byte(1) | |
39 | trigsrcDetectorAnalogIn = c_byte(2) |
|
39 | trigsrcDetectorAnalogIn = c_byte(2) | |
40 | trigsrcDetectorDigitalIn = c_byte(3) |
|
40 | trigsrcDetectorDigitalIn = c_byte(3) | |
41 | trigsrcAnalogIn = c_byte(4) |
|
41 | trigsrcAnalogIn = c_byte(4) | |
42 | trigsrcDigitalIn = c_byte(5) |
|
42 | trigsrcDigitalIn = c_byte(5) | |
43 | trigsrcDigitalOut = c_byte(6) |
|
43 | trigsrcDigitalOut = c_byte(6) | |
44 | trigsrcAnalogOut1 = c_byte(7) |
|
44 | trigsrcAnalogOut1 = c_byte(7) | |
45 | trigsrcAnalogOut2 = c_byte(8) |
|
45 | trigsrcAnalogOut2 = c_byte(8) | |
46 | trigsrcAnalogOut3 = c_byte(9) |
|
46 | trigsrcAnalogOut3 = c_byte(9) | |
47 | trigsrcAnalogOut4 = c_byte(10) |
|
47 | trigsrcAnalogOut4 = c_byte(10) | |
48 | trigsrcExternal1 = c_byte(11) |
|
48 | trigsrcExternal1 = c_byte(11) | |
49 | trigsrcExternal2 = c_byte(12) |
|
49 | trigsrcExternal2 = c_byte(12) | |
50 | trigsrcExternal3 = c_byte(13) |
|
50 | trigsrcExternal3 = c_byte(13) | |
51 | trigsrcExternal4 = c_byte(14) |
|
51 | trigsrcExternal4 = c_byte(14) | |
52 | trigAuto = c_byte(254) |
|
52 | trigAuto = c_byte(254) | |
53 | trigNormal = c_byte(255) |
|
53 | trigNormal = c_byte(255) | |
54 |
|
54 | |||
55 | AnalogOutNodeCarrier = c_int(0) |
|
55 | AnalogOutNodeCarrier = c_int(0) | |
56 | AnalogOutNodeFM = c_int(1) |
|
56 | AnalogOutNodeFM = c_int(1) | |
57 | AnalogOutNodeAM = c_int(2) |
|
57 | AnalogOutNodeAM = c_int(2) | |
58 |
|
58 | |||
59 |
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59 | |||
60 | shapes = {'DC' : 0, |
|
60 | shapes = {'DC' : 0, | |
61 | 'Sine' : 1, |
|
61 | 'Sine' : 1, | |
62 | 'Square' : 2, |
|
62 | 'Square' : 2, | |
63 | 'Triangle' : 3, |
|
63 | 'Triangle' : 3, | |
64 | 'RampUp' : 4, |
|
64 | 'RampUp' : 4, | |
65 | 'RampDown' : 5, |
|
65 | 'RampDown' : 5, | |
66 | 'Noise' : 6, |
|
66 | 'Noise' : 6, | |
67 | 'Custom' : 30, |
|
67 | 'Custom' : 30, | |
68 | 'Play' :31, } |
|
68 | 'Play' :31, } | |
69 |
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69 | |||
70 | closed=False |
|
70 | closed=False | |
71 | opened=True |
|
71 | opened=True | |
72 |
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72 | |||
73 |
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73 | |||
74 | class DiscoveryLimits(object): |
|
74 | class DiscoveryLimits(object): | |
75 | class limitRange(object): |
|
75 | class limitRange(object): | |
76 | def __init__(self,Min,Max,name="Unknow",unit=""): |
|
76 | def __init__(self,Min,Max,name="Unknow",unit=""): | |
77 | self.Min = Min |
|
77 | self.Min = Min | |
78 | self.Max = Max |
|
78 | self.Max = Max | |
79 | self.name = name |
|
79 | self.name = name | |
80 | self.unit = unit |
|
80 | self.unit = unit | |
81 |
|
81 | |||
82 | def conform(self,value): |
|
82 | def conform(self,value): | |
83 | if value<self.Min: |
|
83 | if value<self.Min: | |
84 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Min)) |
|
84 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Min)) | |
85 | return self.Min |
|
85 | return self.Min | |
86 | if value>self.Max: |
|
86 | if value>self.Max: | |
87 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Max)) |
|
87 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Max)) | |
88 | return self.Max |
|
88 | return self.Max | |
89 | return value |
|
89 | return value | |
90 |
|
90 | |||
91 | def __str__(self): |
|
91 | def __str__(self): | |
92 | return self.name + ":\n Min="+str(self.Min)+" "+self.unit+",Max="+str(self.Max)+" "+self.unit |
|
92 | return self.name + ":\n Min="+str(self.Min)+" "+self.unit+",Max="+str(self.Max)+" "+self.unit | |
93 |
|
93 | |||
94 | errors = {0: RuntimeError("No card opened"), |
|
94 | errors = {0: RuntimeError("No card opened"), | |
95 | 1: UserWarning("Parameter out of bound"), |
|
95 | 1: UserWarning("Parameter out of bound"), | |
96 | } |
|
96 | } | |
97 | def __init__(self,libdwf,hdwf): |
|
97 | def __init__(self,libdwf,hdwf): | |
98 | self.limits=[] |
|
98 | self.limits=[] | |
99 | self.ACQ_IN_RANGES=[0.0] |
|
99 | self.ACQ_IN_RANGES=[0.0] | |
100 | if hdwf.value == nodev.value: |
|
100 | if hdwf.value == nodev.value: | |
101 | return |
|
101 | return | |
102 | self.__hdwf=hdwf |
|
102 | self.__hdwf=hdwf | |
103 | self.__libdwf=libdwf |
|
103 | self.__libdwf=libdwf | |
104 | Mind=c_double() |
|
104 | Mind=c_double() | |
105 | Maxd=c_double() |
|
105 | Maxd=c_double() | |
106 | Mini=c_int() |
|
106 | Mini=c_int() | |
107 | Maxi=c_int() |
|
107 | Maxi=c_int() | |
108 | StepsCount=c_int() |
|
108 | StepsCount=c_int() | |
109 | Steps=(c_double*32)() |
|
109 | Steps=(c_double*32)() | |
110 | self.__libdwf.FDwfAnalogInBufferSizeInfo(self.__hdwf, byref(Mini), byref(Maxi)) |
|
110 | self.__libdwf.FDwfAnalogInBufferSizeInfo(self.__hdwf, byref(Mini), byref(Maxi)) | |
111 | self.ACQ_BUF=self.limitRange(Mini.value,Maxi.value,"ACQ Buffer Size","Sps") |
|
111 | self.ACQ_BUF=self.limitRange(Mini.value,Maxi.value,"ACQ Buffer Size","Sps") | |
112 | self.limits.append(self.ACQ_BUF) |
|
112 | self.limits.append(self.ACQ_BUF) | |
113 | self.__libdwf.FDwfAnalogInFrequencyInfo(self.__hdwf, byref(Mind), byref(Maxd)) |
|
113 | self.__libdwf.FDwfAnalogInFrequencyInfo(self.__hdwf, byref(Mind), byref(Maxd)) | |
114 | self.ACQ_FREQ=self.limitRange(Mind.value,Maxd.value,"ACQ Frequency","Hz") |
|
114 | self.ACQ_FREQ=self.limitRange(Mind.value,Maxd.value,"ACQ Frequency","Hz") | |
115 | self.limits.append(self.ACQ_FREQ) |
|
115 | self.limits.append(self.ACQ_FREQ) | |
116 | self.__libdwf.FDwfAnalogInChannelRangeSteps(self.__hdwf, byref(Steps), byref(StepsCount)) |
|
116 | self.__libdwf.FDwfAnalogInChannelRangeSteps(self.__hdwf, byref(Steps), byref(StepsCount)) | |
117 | self.ACQ_IN_RANGES=Steps[0:StepsCount.value] |
|
117 | self.ACQ_IN_RANGES=Steps[0:StepsCount.value] | |
118 | self.__libdwf.FDwfAnalogOutNodeAmplitudeInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
|
118 | self.__libdwf.FDwfAnalogOutNodeAmplitudeInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, | |
119 | byref(Mind), byref(Maxd)) |
|
119 | byref(Mind), byref(Maxd)) | |
120 | self.GEN_AMPL=self.limitRange(Mind.value,Maxd.value,"GEN Amplitude","V") |
|
120 | self.GEN_AMPL=self.limitRange(Mind.value,Maxd.value,"GEN Amplitude","V") | |
121 | self.limits.append(self.GEN_AMPL) |
|
121 | self.limits.append(self.GEN_AMPL) | |
122 | self.__libdwf.FDwfAnalogOutNodeFrequencyInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
|
122 | self.__libdwf.FDwfAnalogOutNodeFrequencyInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, | |
123 | byref(Mind), byref(Maxd)) |
|
123 | byref(Mind), byref(Maxd)) | |
124 | self.GEN_FREQ=self.limitRange(Mind.value,Maxd.value,"GEN Frequency","Hz") |
|
124 | self.GEN_FREQ=self.limitRange(Mind.value,Maxd.value,"GEN Frequency","Hz") | |
125 | self.limits.append(self.GEN_FREQ) |
|
125 | self.limits.append(self.GEN_FREQ) | |
126 | self.__libdwf.FDwfAnalogOutNodeOffsetInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
|
126 | self.__libdwf.FDwfAnalogOutNodeOffsetInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, | |
127 | byref(Mind), byref(Maxd)) |
|
127 | byref(Mind), byref(Maxd)) | |
128 | self.GEN_OFFSET=self.limitRange(Mind.value,Maxd.value,"GEN Offset","V") |
|
128 | self.GEN_OFFSET=self.limitRange(Mind.value,Maxd.value,"GEN Offset","V") | |
129 | self.limits.append(self.GEN_OFFSET) |
|
129 | self.limits.append(self.GEN_OFFSET) | |
130 | self.__libdwf.FDwfAnalogOutNodeDataInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
|
130 | self.__libdwf.FDwfAnalogOutNodeDataInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, | |
131 | byref(Mini), byref(Maxi)) |
|
131 | byref(Mini), byref(Maxi)) | |
132 | self.GEN_BUFF=self.limitRange(Mini.value,Maxi.value,"GEN Buffer size","Sps") |
|
132 | self.GEN_BUFF=self.limitRange(Mini.value,Maxi.value,"GEN Buffer size","Sps") | |
133 | self.limits.append(self.GEN_BUFF) |
|
133 | self.limits.append(self.GEN_BUFF) | |
134 |
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134 | |||
135 |
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135 | |||
136 | def __conformParam(self,minVal,maxVal,val): |
|
136 | def __conformParam(self,minVal,maxVal,val): | |
137 | if val<minVal: |
|
137 | if val<minVal: | |
138 | raise self.errors.get(1) |
|
138 | raise self.errors.get(1) | |
139 | print("Force to "+str(minVal)) |
|
139 | print("Force to "+str(minVal)) | |
140 | return minVal |
|
140 | return minVal | |
141 | if val>maxVal: |
|
141 | if val>maxVal: | |
142 | raise self.errors.get(1) |
|
142 | raise self.errors.get(1) | |
143 | print("Force to "+str(maxVal)) |
|
143 | print("Force to "+str(maxVal)) | |
144 | return maxVal |
|
144 | return maxVal | |
145 | return val |
|
145 | return val | |
146 |
|
146 | |||
147 | def acqFreq(self, value): |
|
147 | def acqFreq(self, value): | |
148 | return self.ACQ_FREQ.conform(value) |
|
148 | return self.ACQ_FREQ.conform(value) | |
149 |
|
149 | |||
150 | def acqBufSize(self, value): |
|
150 | def acqBufSize(self, value): | |
151 | return self.ACQ_BUF.conform(value) |
|
151 | return self.ACQ_BUF.conform(value) | |
152 |
|
152 | |||
153 | def genFreq(self, value): |
|
153 | def genFreq(self, value): | |
154 | return self.GEN_FREQ.conform(value) |
|
154 | return self.GEN_FREQ.conform(value) | |
155 |
|
155 | |||
156 | def genAmplitude(self, value): |
|
156 | def genAmplitude(self, value): | |
157 | return self.GEN_AMPL.conform(value) |
|
157 | return self.GEN_AMPL.conform(value) | |
158 |
|
158 | |||
159 | def genOffset(self, value): |
|
159 | def genOffset(self, value): | |
160 | return self.GEN_OFFSET.conform(value) |
|
160 | return self.GEN_OFFSET.conform(value) | |
161 |
|
161 | |||
162 | def genBuffSize(self, value): |
|
162 | def genBuffSize(self, value): | |
163 | return self.GEN_BUFF.conform(value) |
|
163 | return self.GEN_BUFF.conform(value) | |
164 |
|
164 | |||
165 | def __str__(self): |
|
165 | def __str__(self): | |
166 | res=str() |
|
166 | res=str() | |
167 | for i in self.limits: |
|
167 | for i in self.limits: | |
168 | res+=i.__str__()+"\n" |
|
168 | res+=i.__str__()+"\n" | |
169 | res+="ACQ Input ranes: "+str(self.ACQ_IN_RANGES) |
|
169 | res+="ACQ Input ranes: "+str(self.ACQ_IN_RANGES) | |
170 | return res |
|
170 | return res | |
171 |
|
171 | |||
172 |
|
172 | |||
173 | class Discovery(object): |
|
173 | class Discovery(object): | |
174 |
|
174 | |||
175 | errors = {0: RuntimeError("No card opened"), |
|
175 | errors = {0: RuntimeError("No card opened"), | |
176 | 1: UserWarning("Parameter out of bound"), |
|
176 | 1: UserWarning("Parameter out of bound"), | |
177 | } |
|
177 | } | |
178 | def findDevice(self,device): |
|
178 | def findDevice(self,device): | |
179 | if not self.__opened: |
|
179 | if not self.__opened: | |
180 | raise self.errors.get(0) |
|
180 | raise self.errors.get(0) | |
181 | nbDevices = c_int() |
|
181 | nbDevices = c_int() | |
182 | self.__libdwf.FDwfEnum(c_int(0), byref(nbDevices)) |
|
182 | self.__libdwf.FDwfEnum(c_int(0), byref(nbDevices)) | |
183 | SN = create_string_buffer(32) |
|
183 | SN = create_string_buffer(32) | |
184 | for i in range(nbDevices.value): |
|
184 | for i in range(nbDevices.value): | |
185 | self.__libdwf.FDwfEnumSN(c_int(i), SN) |
|
185 | self.__libdwf.FDwfEnumSN(c_int(i), SN) | |
186 | if SN.value.decode("UTF-8") == device: |
|
186 | if SN.value.decode("UTF-8") == device: | |
187 | return i |
|
187 | return i | |
188 | return -1 |
|
188 | return -1 | |
189 |
|
189 | |||
190 |
|
190 | |||
191 | def __init__(self,card=-1): |
|
191 | def __init__(self,card=-1): | |
192 | if sys.platform.startswith("win"): |
|
192 | if sys.platform.startswith("win"): | |
193 | self.__libdwf = cdll.dwf |
|
193 | self.__libdwf = cdll.dwf | |
194 | elif sys.platform.startswith("darwin"): |
|
194 | elif sys.platform.startswith("darwin"): | |
195 | self.__libdwf = cdll.LoadLibrary("libdwf.dylib") |
|
195 | self.__libdwf = cdll.LoadLibrary("libdwf.dylib") | |
196 | else: |
|
196 | else: | |
197 | self.__libdwf = cdll.LoadLibrary("libdwf.so") |
|
197 | self.__libdwf = cdll.LoadLibrary("libdwf.so") | |
198 | self.__opened = True |
|
198 | self.__opened = True | |
199 | self.__hdwf = c_int() |
|
199 | self.__hdwf = c_int() | |
200 | if card != -1: |
|
200 | if card != -1: | |
201 | SN=card |
|
201 | SN=card | |
202 | card = self.findDevice(card) |
|
202 | card = self.findDevice(card) | |
203 | if card == -1: |
|
203 | if card == -1: | |
204 | raise RuntimeError( "Card not found "+ SN) |
|
204 | raise RuntimeError( "Card not found "+ SN) | |
205 | self.__libdwf.FDwfDeviceOpen(c_int(card), byref(self.__hdwf)) |
|
205 | self.__libdwf.FDwfDeviceOpen(c_int(card), byref(self.__hdwf)) | |
206 | if self.__hdwf.value == nodev.value: |
|
206 | if self.__hdwf.value == nodev.value: | |
207 | szerr = create_string_buffer(512) |
|
207 | szerr = create_string_buffer(512) | |
208 | self.__libdwf.FDwfGetLastErrorMsg(szerr) |
|
208 | self.__libdwf.FDwfGetLastErrorMsg(szerr) | |
209 | print(szerr.value) |
|
209 | print(szerr.value) | |
210 | print("failed to open device") |
|
210 | print("failed to open device") | |
211 | self.__opened=False |
|
211 | self.__opened=False | |
212 | self.__limits=DiscoveryLimits(self.__libdwf,self.__hdwf) |
|
212 | self.__limits=DiscoveryLimits(self.__libdwf,self.__hdwf) | |
213 | print(self.__limits) |
|
213 | print(self.__limits) | |
214 |
|
214 | |||
215 | @property |
|
215 | @property | |
216 | def opened(self): |
|
216 | def opened(self): | |
217 | return self.__opened |
|
217 | return self.__opened | |
218 |
|
218 | |||
219 | @property |
|
219 | @property | |
220 | def max_sampling_freq(self): |
|
220 | def max_sampling_freq(self): | |
221 | return self.__limits.ACQ_FREQ.Max |
|
221 | return self.__limits.ACQ_FREQ.Max | |
222 |
|
222 | |||
223 | @property |
|
223 | @property | |
224 | def min_sampling_freq(self): |
|
224 | def min_sampling_freq(self): | |
225 | return self.__limits.ACQ_FREQ.Min |
|
225 | return self.__limits.ACQ_FREQ.Min | |
226 |
|
226 | |||
227 | @property |
|
227 | @property | |
228 | def max_sampling_buffer(self): |
|
228 | def max_sampling_buffer(self): | |
229 | return self.__limits.ACQ_BUF.Max |
|
229 | return self.__limits.ACQ_BUF.Max | |
230 |
|
230 | |||
231 | ############################################################# |
|
231 | ############################################################# | |
232 | # Power Supply |
|
232 | # Power Supply | |
233 | ############################################################# |
|
233 | ############################################################# | |
234 | def set_power(self,fiveVolt=1,minusFiveVolt=1,master=True): |
|
234 | def set_power(self,fiveVolt=1,minusFiveVolt=1,master=True): | |
235 | if not self.__opened: |
|
235 | if not self.__opened: | |
236 | raise self.errors.get(0) |
|
236 | raise self.errors.get(0) | |
237 | # enable positive supply |
|
237 | # enable positive supply | |
238 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 0, 0, c_double(fiveVolt)) |
|
238 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 0, 0, c_double(fiveVolt)) | |
239 | # enable negative supply |
|
239 | # enable negative supply | |
240 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 1, 0, c_double(minusFiveVolt)) |
|
240 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 1, 0, c_double(minusFiveVolt)) | |
241 | # master enable |
|
241 | # master enable | |
242 | return self.__libdwf.FDwfAnalogIOEnableSet(self.__hdwf, master) |
|
242 | return self.__libdwf.FDwfAnalogIOEnableSet(self.__hdwf, master) | |
243 |
|
243 | |||
244 | def get_power(self): |
|
244 | def get_power(self): | |
245 | if not self.__opened: |
|
245 | if not self.__opened: | |
246 | raise self.errors.get(0) |
|
246 | raise self.errors.get(0) | |
247 | supplyVoltage = c_double() |
|
247 | supplyVoltage = c_double() | |
248 | supplyCurrent = c_double() |
|
248 | supplyCurrent = c_double() | |
249 | IsEnabled = c_bool() |
|
249 | IsEnabled = c_bool() | |
250 | self.__libdwf.FDwfAnalogIOStatus(self.__hdwf) |
|
250 | self.__libdwf.FDwfAnalogIOStatus(self.__hdwf) | |
251 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(0), byref(supplyVoltage)) |
|
251 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(0), byref(supplyVoltage)) | |
252 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(1), byref(supplyCurrent)) |
|
252 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(1), byref(supplyCurrent)) | |
253 | self.__libdwf.FDwfAnalogIOEnableStatus(self.__hdwf, byref(IsEnabled)) |
|
253 | self.__libdwf.FDwfAnalogIOEnableStatus(self.__hdwf, byref(IsEnabled)) | |
254 | return [IsEnabled.value,supplyVoltage.value,supplyCurrent.value] |
|
254 | return [IsEnabled.value,supplyVoltage.value,supplyCurrent.value] | |
255 |
|
255 | |||
256 | ############################################################# |
|
256 | ############################################################# | |
257 | # AnalogIn |
|
257 | # AnalogIn | |
258 | ############################################################# |
|
258 | ############################################################# | |
259 | def analog_in_read(self,ch1=True,ch2=True,frequency=100000000,samplesCount=100,ch1range=5.0,ch2range=5.0,trigger=trigsrcNone): |
|
259 | def analog_in_read(self,ch1=True,ch2=True,frequency=100000000,samplesCount=100,ch1range=5.0,ch2range=5.0,trigger=trigsrcNone): | |
260 | if not self.__opened: |
|
260 | if not self.__opened: | |
261 | raise self.errors.get(0) |
|
261 | raise self.errors.get(0) | |
262 | cnt=self.__limits.acqBufSize(samplesCount) |
|
262 | cnt=self.__limits.acqBufSize(samplesCount) | |
263 | self.__libdwf.FDwfAnalogInFrequencySet(self.__hdwf, c_double(self.__limits.acqFreq(frequency))) |
|
263 | self.__libdwf.FDwfAnalogInFrequencySet(self.__hdwf, c_double(self.__limits.acqFreq(frequency))) | |
264 | f=c_double() |
|
264 | f=c_double() | |
265 | self.__libdwf.FDwfAnalogInFrequencyGet(self.__hdwf, byref(f)) |
|
265 | self.__libdwf.FDwfAnalogInFrequencyGet(self.__hdwf, byref(f)) | |
266 | frequency=f.value |
|
266 | frequency=f.value | |
267 | self.__libdwf.FDwfAnalogInBufferSizeSet(self.__hdwf, c_int(cnt)) |
|
267 | self.__libdwf.FDwfAnalogInBufferSizeSet(self.__hdwf, c_int(cnt)) | |
268 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(0), c_bool(ch1)) |
|
268 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(0), c_bool(ch1)) | |
269 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(0), c_double(ch1range)) |
|
269 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(0), c_double(ch1range)) | |
270 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(1), c_bool(ch2)) |
|
270 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(1), c_bool(ch2)) | |
271 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(1), c_double(ch2range)) |
|
271 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(1), c_double(ch2range)) | |
272 | self.set_analog_in_trigger(trigger) |
|
272 | self.set_analog_in_trigger(trigger) | |
273 | self.__libdwf.FDwfAnalogInConfigure(self.__hdwf, c_bool(False), c_bool(True)) |
|
273 | self.__libdwf.FDwfAnalogInConfigure(self.__hdwf, c_bool(False), c_bool(True)) | |
274 | status = c_byte() |
|
274 | status = c_byte() | |
275 | while True: |
|
275 | while True: | |
276 | self.__libdwf.FDwfAnalogInStatus(self.__hdwf, c_int(1), byref(status)) |
|
276 | self.__libdwf.FDwfAnalogInStatus(self.__hdwf, c_int(1), byref(status)) | |
277 | if status.value == DwfStateDone.value : |
|
277 | if status.value == DwfStateDone.value : | |
278 | break |
|
278 | break | |
279 | time.sleep(0.1) |
|
279 | time.sleep(0.1) | |
280 | if ch1: |
|
280 | if ch1: | |
281 | ch1data = (c_double*cnt)() |
|
281 | ch1data = (c_double*cnt)() | |
282 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 0, ch1data, cnt) |
|
282 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 0, ch1data, cnt) | |
283 | if ch2: |
|
283 | if ch2: | |
284 | ch2data = (c_double*cnt)() |
|
284 | ch2data = (c_double*cnt)() | |
285 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) |
|
285 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) | |
286 | return [np.array([ch1data,ch2data]),frequency] |
|
286 | return [np.array([ch1data,ch2data]),frequency] | |
287 | else: |
|
287 | else: | |
288 | return [np.array([ch1data]),frequency] |
|
288 | return [np.array([ch1data]),frequency] | |
289 | if ch2: |
|
289 | if ch2: | |
290 | ch2data = (c_double*cnt)() |
|
290 | ch2data = (c_double*cnt)() | |
291 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) |
|
291 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) | |
292 | return [np.array([ch2data]),frequency] |
|
292 | return [np.array([ch2data]),frequency] | |
293 |
|
293 | |||
294 |
|
294 | |||
295 | def set_analog_in_trigger(self,trigger=trigAuto,autoTimeout=0.0): |
|
295 | def set_analog_in_trigger(self,trigger=trigAuto,autoTimeout=0.0): | |
296 | if not self.__opened: |
|
296 | if not self.__opened: | |
297 | raise self.errors.get(0) |
|
297 | raise self.errors.get(0) | |
298 | if trigger == trigAuto: |
|
298 | if trigger == trigAuto: | |
299 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) |
|
299 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) | |
300 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(autoTimeout)) |
|
300 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(autoTimeout)) | |
301 | return |
|
301 | return | |
302 | if trigger == trigNormal: |
|
302 | if trigger == trigNormal: | |
303 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) |
|
303 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) | |
304 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(0.0)) |
|
304 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(0.0)) | |
305 | return |
|
305 | return | |
306 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigger) |
|
306 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigger) | |
307 |
|
307 | |||
308 | ############################################################# |
|
308 | ############################################################# | |
309 | # AnalogOut |
|
309 | # AnalogOut | |
310 | ############################################################# |
|
310 | ############################################################# | |
311 | def analog_out_gen(self,frequency=1000, shape='Sine', channel=0, amplitude=1.0, offset=0.0,phase=0.0, syncOnTrigger=False, triggerFrq=1.0): |
|
311 | def analog_out_gen(self,frequency=1000, shape='Sine', channel=0, amplitude=1.0, offset=0.0,phase=0.0, syncOnTrigger=False, triggerFrq=1.0): | |
312 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) |
|
312 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) | |
313 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) |
|
313 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) | |
314 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get(shape))) |
|
314 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get(shape))) | |
315 | if shape!="DC": |
|
315 | if shape!="DC": | |
316 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genFreq(frequency))) |
|
316 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genFreq(frequency))) | |
317 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) |
|
317 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) | |
318 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) |
|
318 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) | |
319 | self.__libdwf.FDwfAnalogOutNodePhaseSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(phase)) |
|
319 | self.__libdwf.FDwfAnalogOutNodePhaseSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(phase)) | |
320 | if syncOnTrigger: |
|
320 | if syncOnTrigger: | |
321 | self.analog_out_set_trigger(channel) |
|
321 | self.analog_out_set_trigger(channel) | |
322 | self.__libdwf.FDwfAnalogOutRepeatSet(self.__hdwf, c_int(channel),c_int(0)) |
|
322 | self.__libdwf.FDwfAnalogOutRepeatSet(self.__hdwf, c_int(channel),c_int(0)) | |
323 | if frequency >= triggerFrq: |
|
323 | # if frequency >= triggerFrq: | |
324 |
|
|
324 | runDuration = triggerFrq | |
325 | else: |
|
325 | # Doesn't work! try with triggerFrq=1 and frequency=0.8 | |
326 | runDuration = triggerFrq/frequency |
|
326 | # else: | |
|
327 | # runDuration = triggerFrq/frequency | |||
327 | self.__libdwf.FDwfAnalogOutRunSet(self.__hdwf, c_int(channel),c_double(runDuration)) |
|
328 | self.__libdwf.FDwfAnalogOutRunSet(self.__hdwf, c_int(channel),c_double(runDuration)) | |
328 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) |
|
329 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) | |
329 |
|
330 | |||
330 | def analog_out_gen_arbit(self,samplesBuffer ,repeatingFrequency=100, channel=0, amplitude=1.0, offset=0.0): |
|
331 | def analog_out_gen_arbit(self,samplesBuffer ,repeatingFrequency=100, channel=0, amplitude=1.0, offset=0.0): | |
331 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) |
|
332 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) | |
332 | cnt=self.__limits.genBuffSize(len(samplesBuffer)) |
|
333 | cnt=self.__limits.genBuffSize(len(samplesBuffer)) | |
333 | buf=(c_double*cnt)() |
|
334 | buf=(c_double*cnt)() | |
334 | buf[:]=samplesBuffer[0:cnt] |
|
335 | buf[:]=samplesBuffer[0:cnt] | |
335 | #repeatingFrequency = self.__limits.genFreq(repeatingFrequency*cnt)/cnt |
|
336 | #repeatingFrequency = self.__limits.genFreq(repeatingFrequency*cnt)/cnt | |
336 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) |
|
337 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) | |
337 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get("Custom"))) |
|
338 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get("Custom"))) | |
338 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(repeatingFrequency)) |
|
339 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(repeatingFrequency)) | |
339 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) |
|
340 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) | |
340 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) |
|
341 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) | |
341 | self.__libdwf.FDwfAnalogOutNodeDataSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, buf, c_int(cnt)) |
|
342 | self.__libdwf.FDwfAnalogOutNodeDataSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, buf, c_int(cnt)) | |
342 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) |
|
343 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) | |
343 |
|
344 | |||
344 | def analog_out_set_trigger(self, channel=0, trigSrc=trigsrcExternal1, trigRepeat=True): |
|
345 | def analog_out_set_trigger(self, channel=0, trigSrc=trigsrcExternal1, trigRepeat=True): | |
345 | self.__libdwf.FDwfAnalogOutTriggerSourceSet(self.__hdwf, c_int(channel), trigSrc) |
|
346 | self.__libdwf.FDwfAnalogOutTriggerSourceSet(self.__hdwf, c_int(channel), trigSrc) | |
346 | self.__libdwf.FDwfAnalogOutRepeatTriggerSet(self.__hdwf, c_int(channel), c_bool(trigRepeat)) |
|
347 | self.__libdwf.FDwfAnalogOutRepeatTriggerSet(self.__hdwf, c_int(channel), c_bool(trigRepeat)) | |
347 |
|
348 | |||
348 | def __del__(self): |
|
349 | def __del__(self): | |
349 | if self.__opened: |
|
350 | if self.__opened: | |
350 | self.__libdwf.FDwfDeviceClose(self.__hdwf) |
|
351 | self.__libdwf.FDwfDeviceClose(self.__hdwf) | |
351 |
|
352 | |||
352 |
|
353 | |||
353 | if __name__ == '__main__': |
|
354 | if __name__ == '__main__': | |
354 | print("open first dev") |
|
355 | print("open first dev") | |
355 | test = Discovery() |
|
356 | test = Discovery() | |
356 | test.set_power() |
|
357 | test.set_power() | |
357 | for i in range(2): |
|
358 | for i in range(2): | |
358 | time.sleep(0.2) |
|
359 | time.sleep(0.2) | |
359 | print(test.get_power()) |
|
360 | print(test.get_power()) | |
360 | test.analog_out_gen() |
|
361 | test.analog_out_gen() | |
361 | res=test.analog_in_read(frequency=1000000,samplesCount=1000) |
|
362 | res=test.analog_in_read(frequency=1000000,samplesCount=1000) | |
362 | print(res) |
|
363 | print(res) | |
363 | plt.plot(range(len(res[0][0])),res[0][0]) |
|
364 | plt.plot(range(len(res[0][0])),res[0][0]) | |
364 | plt.plot(range(len(res[0][0])),res[0][1]) |
|
365 | plt.plot(range(len(res[0][0])),res[0][1]) | |
365 | plt.show() |
|
366 | plt.show() | |
366 | test.temp() |
|
367 | test.temp() | |
367 | # del test |
|
368 | # del test | |
368 | quit() |
|
369 | quit() | |
369 |
|
370 | |||
370 |
|
371 | |||
371 |
|
372 | |||
372 |
|
373 | |||
373 |
|
374 |
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