@@ -1,443 +1,446 | |||
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1 | 1 | #!/usr/bin/env python |
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2 | 2 | #-*- coding: utf-8 -*- |
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3 | 3 | """Simple python library to drive the analog discovery module from www.digilentinc.com |
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4 | 4 | """ |
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5 | 5 | |
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6 | 6 | from ctypes import * |
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7 | 7 | import time |
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8 | 8 | import sys |
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9 | 9 | import os |
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10 | 10 | import matplotlib.pyplot as plt |
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11 | 11 | import numpy as np |
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12 | 12 | |
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13 | 13 | __author__ = "Alexis Jeandet" |
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14 | 14 | __copyright__ = "Copyright 2015, Laboratory of Plasma Physics" |
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15 | 15 | __credits__ = [] |
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16 | 16 | __license__ = "GPLv2" |
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17 | 17 | __version__ = "1.0.0" |
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18 | 18 | __maintainer__ = "Alexis Jeandet" |
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19 | 19 | __email__ = "alexis.jeandet@member.fsf.org" |
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20 | 20 | __status__ = "Production" |
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21 | 21 | |
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22 | 22 | |
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23 | 23 | nodev = c_int(0) |
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24 | 24 | |
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25 | 25 | DwfStateReady = c_byte(0) |
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26 | 26 | DwfStateConfig = c_byte(4) |
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27 | 27 | DwfStatePrefill = c_byte(5) |
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28 | 28 | DwfStateArmed = c_byte(1) |
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29 | 29 | DwfStateWait = c_byte(7) |
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30 | 30 | DwfStateTriggered = c_byte(3) |
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31 | 31 | DwfStateRunning = c_byte(3) |
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32 | 32 | DwfStateDone = c_byte(2) |
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33 | 33 | |
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34 | 34 | DwfStateDict={ |
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35 | 35 | DwfStateReady.value:"Ready", |
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36 | 36 | DwfStateConfig.value:"Config", |
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37 | 37 | DwfStatePrefill.value:"Prefill", |
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38 | 38 | DwfStateArmed.value:"Armed", |
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39 | 39 | DwfStateWait.value:"Wait", |
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40 | 40 | DwfStateTriggered.value:"Triggered", |
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41 | 41 | DwfStateRunning.value:"Running", |
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42 | 42 | DwfStateDone.value:"Done" |
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43 | 43 | } |
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44 | 44 | |
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45 | 45 | DECIAnalogInChannelCount = c_int(1) |
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46 | 46 | DECIAnalogOutChannelCount = c_int(2) |
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47 | 47 | DECIAnalogIOChannelCount = c_int(3) |
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48 | 48 | DECIDigitalInChannelCount = c_int(4) |
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49 | 49 | DECIDigitalOutChannelCount = c_int(5) |
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50 | 50 | DECIDigitalIOChannelCount = c_int(6) |
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51 | 51 | DECIAnalogInBufferSize = c_int(7) |
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52 | 52 | DECIAnalogOutBufferSize = c_int(8) |
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53 | 53 | DECIDigitalInBufferSize = c_int(9) |
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54 | 54 | DECIDigitalOutBufferSize = c_int(10) |
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55 | 55 | |
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56 | 56 | trigsrcNone = c_byte(0) |
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57 | 57 | trigsrcPC = c_byte(1) |
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58 | 58 | trigsrcDetectorAnalogIn = c_byte(2) |
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59 | 59 | trigsrcDetectorDigitalIn = c_byte(3) |
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60 | 60 | trigsrcAnalogIn = c_byte(4) |
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61 | 61 | trigsrcDigitalIn = c_byte(5) |
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62 | 62 | trigsrcDigitalOut = c_byte(6) |
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63 | 63 | trigsrcAnalogOut1 = c_byte(7) |
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64 | 64 | trigsrcAnalogOut2 = c_byte(8) |
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65 | 65 | trigsrcAnalogOut3 = c_byte(9) |
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66 | 66 | trigsrcAnalogOut4 = c_byte(10) |
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67 | 67 | trigsrcExternal1 = c_byte(11) |
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68 | 68 | trigsrcExternal2 = c_byte(12) |
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69 | 69 | trigsrcExternal3 = c_byte(13) |
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70 | 70 | trigsrcExternal4 = c_byte(14) |
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71 | 71 | trigAuto = c_byte(254) |
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72 | 72 | trigNormal = c_byte(255) |
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73 | 73 | |
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74 | 74 | AnalogOutNodeCarrier = c_int(0) |
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75 | 75 | AnalogOutNodeFM = c_int(1) |
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76 | 76 | AnalogOutNodeAM = c_int(2) |
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77 | 77 | |
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78 | 78 | |
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79 | 79 | shapes = {'DC' : 0, |
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80 | 80 | 'Sine' : 1, |
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81 | 81 | 'Square' : 2, |
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82 | 82 | 'Triangle' : 3, |
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83 | 83 | 'RampUp' : 4, |
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84 | 84 | 'RampDown' : 5, |
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85 | 85 | 'Noise' : 6, |
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86 | 86 | 'Custom' : 30, |
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87 | 87 | 'Play' :31, } |
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88 | 88 | |
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89 | 89 | closed=False |
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90 | 90 | opened=True |
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91 | 91 | |
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92 | 92 | |
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93 | 93 | class DiscoveryLimits(object): |
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94 | 94 | class limitRange(object): |
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95 | 95 | def __init__(self,Min,Max,name="Unknow",unit=""): |
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96 | 96 | self.Min = Min |
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97 | 97 | self.Max = Max |
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98 | 98 | self.name = name |
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99 | 99 | self.unit = unit |
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100 | 100 | |
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101 | 101 | def conform(self,value): |
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102 | 102 | if value<self.Min: |
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103 | 103 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Min)) |
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104 | 104 | return self.Min |
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105 | 105 | if value>self.Max: |
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106 | 106 | raise UserWarning("Parameter "+self.name+" out of bound\nValue="+str(value)+"\nForce to "+str(self.Max)) |
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107 | 107 | return self.Max |
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108 | 108 | return value |
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109 | 109 | |
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110 | 110 | def __str__(self): |
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111 | 111 | return self.name + ":\n Min="+str(self.Min)+" "+self.unit+",Max="+str(self.Max)+" "+self.unit |
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112 | 112 | |
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113 | 113 | errors = {0: RuntimeError("No card opened"), |
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114 | 114 | 1: UserWarning("Parameter out of bound"), |
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115 | 115 | } |
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116 | 116 | def __init__(self,libdwf,hdwf): |
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117 | 117 | self.limits=[] |
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118 | 118 | self.ACQ_IN_RANGES=[0.0] |
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119 | 119 | if hdwf.value == nodev.value: |
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120 | 120 | return |
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121 | 121 | self.__hdwf=hdwf |
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122 | 122 | self.__libdwf=libdwf |
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123 | 123 | Mind=c_double() |
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124 | 124 | Maxd=c_double() |
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125 | 125 | Mini=c_int() |
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126 | 126 | Maxi=c_int() |
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127 | 127 | StepsCount=c_int() |
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128 | 128 | Steps=(c_double*32)() |
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129 | 129 | self.__libdwf.FDwfAnalogInBufferSizeInfo(self.__hdwf, byref(Mini), byref(Maxi)) |
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130 | 130 | self.ACQ_BUF=self.limitRange(Mini.value,Maxi.value,"ACQ Buffer Size","Sps") |
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131 | 131 | self.limits.append(self.ACQ_BUF) |
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132 | 132 | self.__libdwf.FDwfAnalogInFrequencyInfo(self.__hdwf, byref(Mind), byref(Maxd)) |
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133 | 133 | self.ACQ_FREQ=self.limitRange(Mind.value,Maxd.value,"ACQ Frequency","Hz") |
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134 | 134 | self.limits.append(self.ACQ_FREQ) |
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135 | 135 | self.__libdwf.FDwfAnalogInChannelRangeSteps(self.__hdwf, byref(Steps), byref(StepsCount)) |
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136 | 136 | self.ACQ_IN_RANGES=Steps[0:StepsCount.value] |
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137 | 137 | self.__libdwf.FDwfAnalogOutNodeAmplitudeInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
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138 | 138 | byref(Mind), byref(Maxd)) |
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139 | 139 | self.GEN_AMPL=self.limitRange(Mind.value,Maxd.value,"GEN Amplitude","V") |
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140 | 140 | self.limits.append(self.GEN_AMPL) |
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141 | 141 | self.__libdwf.FDwfAnalogOutNodeFrequencyInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
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142 | 142 | byref(Mind), byref(Maxd)) |
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143 | 143 | self.GEN_FREQ=self.limitRange(Mind.value,Maxd.value,"GEN Frequency","Hz") |
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144 | 144 | self.limits.append(self.GEN_FREQ) |
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145 | 145 | self.__libdwf.FDwfAnalogOutNodeOffsetInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
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146 | 146 | byref(Mind), byref(Maxd)) |
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147 | 147 | self.GEN_OFFSET=self.limitRange(Mind.value,Maxd.value,"GEN Offset","V") |
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148 | 148 | self.limits.append(self.GEN_OFFSET) |
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149 | 149 | self.__libdwf.FDwfAnalogOutNodeDataInfo(self.__hdwf,c_int(0), AnalogOutNodeCarrier, |
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150 | 150 | byref(Mini), byref(Maxi)) |
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151 | 151 | self.GEN_BUFF=self.limitRange(Mini.value,Maxi.value,"GEN Buffer size","Sps") |
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152 | 152 | self.limits.append(self.GEN_BUFF) |
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153 | 153 | |
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154 | 154 | |
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155 | 155 | def __conformParam(self,minVal,maxVal,val): |
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156 | 156 | if val<minVal: |
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157 | 157 | raise self.errors.get(1) |
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158 | 158 | print("Force to "+str(minVal)) |
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159 | 159 | return minVal |
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160 | 160 | if val>maxVal: |
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161 | 161 | raise self.errors.get(1) |
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162 | 162 | print("Force to "+str(maxVal)) |
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163 | 163 | return maxVal |
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164 | 164 | return val |
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165 | 165 | |
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166 | 166 | def acqFreq(self, value): |
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167 | 167 | return self.ACQ_FREQ.conform(value) |
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168 | 168 | |
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169 | 169 | def acqBufSize(self, value): |
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170 | 170 | return self.ACQ_BUF.conform(value) |
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171 | 171 | |
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172 | 172 | def genFreq(self, value): |
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173 | 173 | return self.GEN_FREQ.conform(value) |
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174 | 174 | |
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175 | 175 | def genAmplitude(self, value): |
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176 | 176 | return self.GEN_AMPL.conform(value) |
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177 | 177 | |
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178 | 178 | def genOffset(self, value): |
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179 | 179 | return self.GEN_OFFSET.conform(value) |
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180 | 180 | |
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181 | 181 | def genBuffSize(self, value): |
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182 | 182 | return self.GEN_BUFF.conform(value) |
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183 | 183 | |
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184 | 184 | def __str__(self): |
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185 | 185 | res=str() |
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186 | 186 | for i in self.limits: |
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187 | 187 | res+=i.__str__()+"\n" |
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188 | 188 | res+="ACQ Input ranes: "+str(self.ACQ_IN_RANGES) |
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189 | 189 | return res |
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190 | 190 | |
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191 | 191 | |
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192 | 192 | class Discovery(object): |
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193 | 193 | |
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194 | 194 | errors = {0: RuntimeError("No card opened"), |
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195 | 195 | 1: UserWarning("Parameter out of bound"), |
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196 | 196 | } |
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197 | 197 | def findDevice(self,device): |
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198 | 198 | if not self.__opened: |
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199 | 199 | raise self.errors.get(0) |
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200 | 200 | nbDevices = c_int() |
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201 | 201 | self.__libdwf.FDwfEnum(c_int(0), byref(nbDevices)) |
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202 | 202 | SN = create_string_buffer(32) |
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203 | 203 | for i in range(nbDevices.value): |
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204 | 204 | self.__libdwf.FDwfEnumSN(c_int(i), SN) |
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205 | 205 | if SN.value.decode("UTF-8") == device: |
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206 | 206 | return i |
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207 | 207 | return -1 |
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208 | 208 | |
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209 | 209 | |
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210 | 210 | def __init__(self,card=-1): |
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211 | 211 | if sys.platform.startswith("win"): |
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212 | 212 | self.__libdwf = cdll.dwf |
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213 | 213 | elif sys.platform.startswith("darwin"): |
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214 | 214 | self.__libdwf = cdll.LoadLibrary("libdwf.dylib") |
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215 | 215 | else: |
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216 | 216 | self.__libdwf = cdll.LoadLibrary("libdwf.so") |
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217 | 217 | self.__opened = True |
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218 | 218 | self.__hdwf = c_int() |
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219 | 219 | if card != -1: |
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220 | 220 | SN=card |
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221 | 221 | card = self.findDevice(card) |
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222 | 222 | if card == -1: |
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223 | 223 | raise RuntimeError( "Card not found "+ SN) |
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224 | 224 | self.__libdwf.FDwfDeviceOpen(c_int(card), byref(self.__hdwf)) |
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225 | 225 | if self.__hdwf.value == nodev.value: |
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226 | 226 | szerr = create_string_buffer(512) |
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227 | 227 | self.__libdwf.FDwfGetLastErrorMsg(szerr) |
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228 | 228 | print(szerr.value) |
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229 | 229 | print("failed to open device") |
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230 | 230 | self.__opened=False |
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231 | 231 | self.__limits=DiscoveryLimits(self.__libdwf,self.__hdwf) |
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232 | 232 | print(self.__limits) |
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233 | 233 | |
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234 | 234 | @property |
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235 | 235 | def opened(self): |
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236 | 236 | return self.__opened |
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237 | 237 | |
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238 | 238 | @property |
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239 | 239 | def max_sampling_freq(self): |
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240 | 240 | return self.__limits.ACQ_FREQ.Max |
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241 | 241 | |
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242 | 242 | @property |
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243 | 243 | def min_sampling_freq(self): |
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244 | 244 | return self.__limits.ACQ_FREQ.Min |
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245 | 245 | |
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246 | 246 | @property |
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247 | 247 | def max_sampling_buffer(self): |
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248 | 248 | return self.__limits.ACQ_BUF.Max |
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249 | 249 | |
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250 | 250 | ############################################################# |
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251 | 251 | # Power Supply |
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252 | 252 | ############################################################# |
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253 | 253 | def set_power(self,fiveVolt=1,minusFiveVolt=1,master=True): |
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254 | 254 | if not self.__opened: |
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255 | 255 | raise self.errors.get(0) |
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256 | 256 | # enable positive supply |
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257 | 257 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 0, 0, c_double(fiveVolt)) |
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258 | 258 | # enable negative supply |
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259 | 259 | self.__libdwf.FDwfAnalogIOChannelNodeSet(self.__hdwf, 1, 0, c_double(minusFiveVolt)) |
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260 | 260 | # master enable |
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261 | 261 | return self.__libdwf.FDwfAnalogIOEnableSet(self.__hdwf, master) |
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262 | 262 | |
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263 | 263 | def get_power(self): |
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264 | 264 | if not self.__opened: |
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265 | 265 | raise self.errors.get(0) |
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266 | 266 | supplyVoltage = c_double() |
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267 | 267 | supplyCurrent = c_double() |
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268 | 268 | IsEnabled = c_bool() |
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269 | 269 | self.__libdwf.FDwfAnalogIOStatus(self.__hdwf) |
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270 | 270 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(0), byref(supplyVoltage)) |
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271 | 271 | self.__libdwf.FDwfAnalogIOChannelNodeStatus(self.__hdwf, c_int(3), c_int(1), byref(supplyCurrent)) |
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272 | 272 | self.__libdwf.FDwfAnalogIOEnableStatus(self.__hdwf, byref(IsEnabled)) |
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273 | 273 | return [IsEnabled.value,supplyVoltage.value,supplyCurrent.value] |
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274 | 274 | |
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275 | 275 | ############################################################# |
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276 | 276 | # AnalogIn |
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277 | 277 | ############################################################# |
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278 | 278 | def analog_in_read(self,ch1=True,ch2=True,frequency=100000000,samplesCount=100,ch1range=5.0,ch2range=5.0,trigger=trigsrcNone): |
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279 | 279 | if not self.__opened: |
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280 | 280 | raise self.errors.get(0) |
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281 | 281 | cnt=self.__limits.acqBufSize(samplesCount) |
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282 | 282 | self.__libdwf.FDwfAnalogInFrequencySet(self.__hdwf, c_double(self.__limits.acqFreq(frequency))) |
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283 | 283 | f=c_double() |
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284 | 284 | self.__libdwf.FDwfAnalogInFrequencyGet(self.__hdwf, byref(f)) |
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285 | 285 | frequency=f.value |
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286 | 286 | self.__libdwf.FDwfAnalogInBufferSizeSet(self.__hdwf, c_int(cnt)) |
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287 | 287 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(0), c_bool(ch1)) |
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288 | 288 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(0), c_double(ch1range)) |
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289 | 289 | self.__libdwf.FDwfAnalogInChannelEnableSet(self.__hdwf, c_int(1), c_bool(ch2)) |
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290 | 290 | self.__libdwf.FDwfAnalogInChannelRangeSet(self.__hdwf, c_int(1), c_double(ch2range)) |
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291 | 291 | self.set_analog_in_trigger(trigger) |
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292 | 292 | self.__libdwf.FDwfAnalogInConfigure(self.__hdwf, c_bool(False), c_bool(True)) |
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293 | 293 | status = c_byte() |
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294 | 294 | while True: |
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295 | 295 | self.__libdwf.FDwfAnalogInStatus(self.__hdwf, c_int(1), byref(status)) |
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296 | 296 | if status.value == DwfStateDone.value : |
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297 | 297 | break |
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298 | 298 | time.sleep(0.1) |
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299 | 299 | if ch1: |
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300 | 300 | ch1data = (c_double*cnt)() |
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301 | 301 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 0, ch1data, cnt) |
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302 | 302 | if ch2: |
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303 | 303 | ch2data = (c_double*cnt)() |
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304 | 304 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) |
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305 | 305 | return [np.array([ch1data,ch2data]),frequency] |
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306 | 306 | else: |
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307 | 307 | return [np.array([ch1data]),frequency] |
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308 | 308 | if ch2: |
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309 | 309 | ch2data = (c_double*cnt)() |
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310 | 310 | self.__libdwf.FDwfAnalogInStatusData(self.__hdwf, 1, ch2data, cnt) |
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311 | 311 | return [np.array([ch2data]),frequency] |
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312 | 312 | |
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313 | 313 | |
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314 | 314 | def set_analog_in_trigger(self,trigger=trigAuto,autoTimeout=0.0): |
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315 | 315 | if not self.__opened: |
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316 | 316 | raise self.errors.get(0) |
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317 | 317 | if trigger == trigAuto: |
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318 | 318 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) |
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319 | 319 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(autoTimeout)) |
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320 | 320 | return |
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321 | 321 | if trigger == trigNormal: |
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322 | 322 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigsrcDetectorAnalogIn) |
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323 | 323 | self.__libdwf.FDwfAnalogInTriggerAutoTimeoutSet(self.__hdwf,c_double(0.0)) |
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324 | 324 | return |
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325 | 325 | self.__libdwf.FDwfAnalogInTriggerSourceSet(self.__hdwf,trigger) |
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326 | 326 | |
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327 | 327 | ############################################################# |
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328 | 328 | # AnalogOut |
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329 | 329 | ############################################################# |
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330 | 330 | def analog_out_gen(self,frequency=1000, symmetry=50.0, shape='Sine', channel=0, amplitude=1.0, offset=0.0,phase=0.0, syncOnTrigger=False, triggerFrq=1.0, wait=0.0, runDuration=None): |
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331 | 331 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) |
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332 | 332 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) |
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333 | 333 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get(shape))) |
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334 | 334 | self.__libdwf.FDwfAnalogOutNodeSymmetrySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(symmetry)) |
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335 | 335 | if shape!="DC": |
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336 | 336 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genFreq(frequency))) |
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337 | 337 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) |
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338 | 338 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) |
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339 | 339 | self.__libdwf.FDwfAnalogOutNodePhaseSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(phase)) |
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340 | 340 | if syncOnTrigger: |
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341 | 341 | self.analog_out_set_trigger(channel) |
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342 | 342 | self.__libdwf.FDwfAnalogOutRepeatSet(self.__hdwf, c_int(channel),c_int(0)) |
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343 | 343 | if runDuration is None: |
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344 | 344 | runDuration = triggerFrq |
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345 | 345 | self.__libdwf.FDwfAnalogOutRunSet(self.__hdwf, c_int(channel),c_double(runDuration)) |
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346 | 346 | self.__libdwf.FDwfAnalogOutWaitSet(self.__hdwf, c_int(channel), c_double(wait)) |
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347 | 347 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) |
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348 | 348 | |
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349 | 349 | def analog_out_gen_arbit(self,samplesBuffer ,repeatingFrequency=100, channel=0, amplitude=1.0, offset=0.0): |
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350 | 350 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) |
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351 | 351 | cnt=self.__limits.genBuffSize(len(samplesBuffer)) |
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352 | 352 | buf=(c_double*cnt)() |
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353 | 353 | buf[:]=samplesBuffer[0:cnt] |
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354 | 354 | #repeatingFrequency = self.__limits.genFreq(repeatingFrequency*cnt)/cnt |
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355 | 355 | self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) |
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356 | 356 | self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get("Custom"))) |
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357 | 357 | self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(repeatingFrequency)) |
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358 | 358 | self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(amplitude))) |
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359 | 359 | self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(offset))) |
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360 | 360 | self.__libdwf.FDwfAnalogOutNodeDataSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, buf, c_int(cnt)) |
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361 | 361 | self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) |
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362 | 362 | |
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363 | 363 | def analog_out_set_trigger(self, channel=0, trigSrc=trigsrcExternal1, trigRepeat=True): |
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364 | 364 | self.__libdwf.FDwfAnalogOutTriggerSourceSet(self.__hdwf, c_int(channel), trigSrc) |
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365 | 365 | self.__libdwf.FDwfAnalogOutRepeatTriggerSet(self.__hdwf, c_int(channel), c_bool(trigRepeat)) |
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366 | 366 | |
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367 | 367 | def __del__(self): |
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368 | 368 | if self.__opened: |
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369 | 369 | self.__libdwf.FDwfDeviceClose(self.__hdwf) |
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370 | 370 | |
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371 | 371 | def analog_out_status(self, channel=0): |
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372 | 372 | status = c_byte(DwfStateDone.value) |
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373 | 373 | self.__libdwf.FDwfAnalogOutStatus(self.__hdwf, c_int(channel), byref(status)) |
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374 | 374 | return status |
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375 | 375 | # def analog_out_modulation(self, channel=0, |
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376 | 376 | # carrier_frequency=10, carrier_shape='Sine', carrier_amplitude=1.0, carrier_offset=0.0, carrier_phase=0.0, carrier_symmetry=0.5, |
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377 | 377 | # AM_frequency=0.2857, AM_shape='Square', AM_amplitude=100.0, AM_offset=0.0, AM_phase=0.0, AM_percentageSymmetry=0.2857, |
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378 | 378 | # syncOnTrigger=trigsrcExternal1, triggerFrq=1.0, wait=0.0, runDuration=None): |
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379 | 379 | # self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(False)) |
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380 | 380 | # self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_bool(True)) |
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381 | 381 | # |
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382 | 382 | # self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_int(shapes.get(carrier_shape))) |
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383 | 383 | # self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genFreq(carrier_frequency))) |
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384 | 384 | # self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genAmplitude(carrier_amplitude))) |
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385 | 385 | # self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(self.__limits.genOffset(carrier_offset))) |
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386 | 386 | # self.__libdwf.FDwfAnalogOutNodePhaseSet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(carrier_phase)) |
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387 | 387 | # self.__libdwf.FDwfAnalogOutNodeSymmetrySet(self.__hdwf, c_int(channel), AnalogOutNodeCarrier, c_double(carrier_percentageSymmetry)) |
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388 | 388 | # |
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389 | 389 | # self.__libdwf.FDwfAnalogOutNodeEnableSet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_bool(True)) |
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390 | 390 | # self.__libdwf.FDwfAnalogOutNodeFunctionSet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_int(shapes.get(AM_shape))) |
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391 | 391 | # self.__libdwf.FDwfAnalogOutNodeFrequencySet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_double(self.__limits.genFreqAM_frequency))) |
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392 | 392 | # self.__libdwf.FDwfAnalogOutNodeAmplitudeSet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_double(self.__limits.genAmplitude(AM_amplitude))) |
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393 | 393 | # self.__libdwf.FDwfAnalogOutNodeOffsetSet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_double(self.__limits.genOffset(AM_offset))) |
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394 | 394 | # self.__libdwf.FDwfAnalogOutNodePhaseSet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_double(AM_phase)) |
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395 | 395 | # self.__libdwf.FDwfAnalogOutNodeSymmetrySet(self.__hdwf, c_int(channel), AnalogOutNodeAM, c_double(AM_percentageSymmetry)) |
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396 | 396 | # |
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397 | 397 | # if syncOnTrigger: |
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398 | 398 | # self.analog_out_set_trigger(channel) |
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399 | 399 | # self.__libdwf.FDwfAnalogOutRepeatSet(self.__hdwf, c_int(channel),c_int(0)) |
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400 | 400 | # if runDuration is None: |
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401 | 401 | # runDuration = triggerFrq |
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402 | 402 | # self.__libdwf.FDwfAnalogOutRunSet(self.__hdwf, c_int(channel),c_double(runDuration)) |
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403 | 403 | # self.__libdwf.FDwfAnalogOutWaitSet(self.__hdwf, c_int(channel), c_double(wait)) |
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404 | 404 | # self.__libdwf.FDwfAnalogOutConfigure(self.__hdwf, c_int(channel), c_bool(True)) |
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405 | 405 | |
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406 | def digital_io_output_enable(self, value): | |
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407 | self.__libdwf.FDwfDigitalIOOutputEnableSet(self.__hdwf, c_int(value)) | |
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408 | ||
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406 | 409 | def digital_io_get(self): |
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407 | 410 | dwRead = c_uint32() |
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408 | 411 | self.__libdwf.FDwfDigitalIOStatus (self.__hdwf) |
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409 | 412 | self.__libdwf.FDwfDigitalIOInputStatus(self.__hdwf, byref(dwRead)) |
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410 | 413 | return dwRead.value |
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411 | 414 | |
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412 | 415 | def digital_io_set(self,value): |
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413 | 416 | self.__libdwf.FDwfDigitalIOOutputSet(self.__hdwf, c_int(value)) |
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414 | 417 | |
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415 | 418 | @property |
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416 | 419 | def digital_io(self): |
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417 | 420 | return self.digital_io_get() |
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418 | 421 | |
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419 | 422 | @digital_io.setter |
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420 | 423 | def digital_io(self,value): |
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421 | 424 | self.digital_io_set(value) |
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422 | 425 | |
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423 | 426 | if __name__ == '__main__': |
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424 | 427 | print("open first dev") |
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425 | 428 | test = Discovery() |
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426 | 429 | test.set_power() |
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427 | 430 | for i in range(2): |
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428 | 431 | time.sleep(0.2) |
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429 | 432 | print(test.get_power()) |
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430 | 433 | test.analog_out_gen() |
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431 | 434 | res=test.analog_in_read(frequency=1000000,samplesCount=1000) |
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432 | 435 | print(res) |
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433 | 436 | plt.plot(range(len(res[0][0])),res[0][0]) |
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434 | 437 | plt.plot(range(len(res[0][0])),res[0][1]) |
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435 | 438 | plt.show() |
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436 | 439 | test.temp() |
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437 | 440 | # del test |
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438 | 441 | quit() |
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439 | 442 | |
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440 | 443 | |
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441 | 444 | |
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442 | 445 | |
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443 | 446 |
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