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Rev | Author | Line No. | Line |
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145 | f9daq | 1 | #include <stdio.h> |
2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | |||
5 | #include "vxi11_user.h" |
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6 | #include "daqscope.h" |
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7 | #include "workstation.h" |
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8 | |||
9 | CLINK *clink; |
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10 | char *savedIP; |
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11 | const char *allChans[8] = {"CH1","CH2","CH3","CH4","MATH1","MATH2","MATH3","MATH4"}; |
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12 | const char *measType[11] = {"AMP","ARE","DEL","FALL","FREQ","MAX","MEAN","MINI","PK2P","PWI","RIS"}; |
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13 | char *bbq; |
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14 | |||
15 | // Query and command functions to simplify analysis -------------- |
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16 | int vxi11_query(CLINK *clink, const char *mycmd) |
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17 | { |
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18 | char buf[WAVE_LEN]; |
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19 | memset(buf, 0, WAVE_LEN); |
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20 | vxi11_send(clink, mycmd); |
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21 | int bytes_returned = vxi11_receive(clink, buf, WAVE_LEN); |
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22 | if (bytes_returned > 0) |
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23 | { |
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24 | printf("%s\n", buf); |
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25 | } |
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26 | else if (bytes_returned == -15) |
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27 | printf("*** [ NOTHING RECEIVED ] ***\n"); |
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28 | |||
29 | return 0; |
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30 | } |
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31 | |||
32 | void vxi11_command(CLINK *clink,char *mycmd) |
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33 | { |
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34 | char buf[WAVE_LEN]; |
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35 | memset(buf, 0, WAVE_LEN); |
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36 | vxi11_send(clink, mycmd); |
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37 | } |
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38 | // --------------------------------------------------------------- |
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39 | |||
40 | // Tektronix unit conversion ------------------------------------- |
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41 | double daqscope::tekunit(char *prefix) |
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42 | { |
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43 | if (strcmp(prefix,"m")==0) return 0.001; |
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44 | else if (strcmp(prefix,"u")==0) return 0.000001; |
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45 | else if (strcmp(prefix,"n")==0) return 0.000000001; |
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46 | else return 1; |
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47 | } |
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48 | // --------------------------------------------------------------- |
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49 | |||
50 | // Connect to a scope through IP address IPaddr ------------------ |
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51 | int daqscope::connect(char *IPaddr) |
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52 | { |
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53 | int iTemp; |
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54 | char buf[WAVE_LEN]; |
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55 | printf("daqscope::connect(%s)\n", IPaddr); |
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56 | clink = new CLINK; |
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57 | iTemp = vxi11_open_device(IPaddr, clink); |
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58 | if(iTemp == 0) |
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59 | { |
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60 | vxi11_send(clink, "*IDN?"); |
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61 | vxi11_receive(clink, buf, WAVE_LEN); |
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62 | printf("Connected to device (%s): %s\n", IPaddr, buf); |
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63 | savedIP = IPaddr; |
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64 | return iTemp; |
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65 | } |
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66 | else |
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67 | return iTemp; |
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68 | } |
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69 | // --------------------------------------------------------------- |
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70 | |||
71 | // Disconnect from scope with IP address IPaddr ------------------ |
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72 | int daqscope::disconnect(char *IPaddr) |
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73 | { |
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74 | int iTemp; |
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75 | printf("daqscope::disconnect(%s)\n", IPaddr); |
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76 | iTemp = vxi11_close_device(IPaddr, clink); |
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77 | if(iTemp == 0) |
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78 | { |
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79 | printf("Disconnected from device (%s).\n", IPaddr); |
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80 | delete clink; |
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81 | } |
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82 | return iTemp; |
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83 | } |
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84 | // --------------------------------------------------------------- |
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85 | |||
86 | // Initialize the scope for waveform or measurement -------------- |
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87 | int daqscope::init() |
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88 | { |
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89 | int iTemp; |
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90 | char cmd[512]; |
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91 | char cTemp[256]; |
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92 | printf("daqscope::init()\n"); |
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93 | |||
94 | printf("Measurement type is: %d\n", scopeUseType); |
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95 | |||
96 | // For measurements, only one channel can be used (rise, fall, period,...) |
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97 | if(scopeUseType == 2) scopeChanNr = 1; |
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98 | printf("Nr. of channels selected: %d\n", scopeChanNr); |
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99 | |||
100 | // Only use scope if measurement is different than 0 |
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101 | if(scopeUseType == 0) |
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102 | return 0; |
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103 | else |
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104 | { |
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105 | // Combine all selected channels into a comma separated string |
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106 | for(int i = 0; i < scopeChanNr; i++) |
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107 | { |
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108 | if(i == scopeChanNr-1) |
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109 | { |
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110 | if(i == 0) sprintf(scopeChanstring, "%s", allChans[scopeChans[i]]); |
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111 | else sprintf(cTemp, "%s", allChans[scopeChans[i]]); |
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112 | } |
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113 | else |
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114 | { |
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115 | if(i == 0) sprintf(scopeChanstring, "%s,", allChans[scopeChans[i]]); |
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116 | else sprintf(cTemp, "%s,", allChans[scopeChans[i]]); |
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117 | } |
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118 | if(i > 0) |
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119 | strcat(scopeChanstring, cTemp); |
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120 | } |
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121 | printf("Selected channels: %s\n", scopeChanstring); |
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122 | |||
123 | // Check scope ID and turn the header display on |
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124 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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125 | vxi11_query(clink, "*IDN?"); |
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126 | vxi11_command(clink,(char*)"HEADER ON"); |
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127 | #else |
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128 | printf("Identify Tek (*IDN?, HEADER ON)\n"); |
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129 | #endif |
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130 | |||
131 | // Set the scope data sources |
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132 | sprintf(cmd, "DATA:SOURCE %s", scopeChanstring); |
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133 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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134 | vxi11_command(clink,cmd); |
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135 | #else |
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136 | printf("Set data source (DATA:SOURCE): %s\n", cmd); |
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137 | #endif |
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138 | |||
139 | // Set to fast acquisition and set encoding |
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140 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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141 | vxi11_command(clink,(char*)"FASTACQ:STATE 0"); |
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142 | vxi11_command(clink,(char*)"DATA:ENCDG SRIBINARY"); |
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143 | vxi11_command(clink,(char*)"WFMO:BYT_N 2"); |
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144 | |||
145 | // Set gating (currently not used) |
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146 | vxi11_command(clink,(char*)"GAT OFF"); |
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147 | #else |
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148 | printf("Set fastacq, encoding and gating (FASTACQ:STATE 0, DATA:ENCDG SRIBINARY, WFMO:BYT_N 2, MEASU:GAT OFF).\n"); |
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149 | #endif |
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150 | |||
151 | // Check scale on each of selected channels (is this even needed?) |
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152 | bbq = strtok(scopeChanstring,","); |
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153 | while(bbq != NULL) |
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154 | { |
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155 | sprintf(cmd,"%s:SCALE?",bbq); |
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156 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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157 | vxi11_query(clink,cmd); |
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158 | #else |
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159 | printf("Return the scale of channel: %s\n", cmd); |
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160 | #endif |
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161 | bbq = strtok(NULL, ","); |
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162 | } |
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163 | |||
164 | // Check waveform and data options/settings |
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165 | char buf[WAVE_LEN]; |
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166 | memset(buf, 0, WAVE_LEN); |
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167 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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168 | vxi11_send(clink, "WFMO:WFID?"); |
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169 | iTemp = vxi11_receive(clink, buf, WAVE_LEN); |
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170 | printf("Init out (length = %d): %s\n", iTemp, buf); |
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171 | #else |
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172 | printf("Get acquisition parameters (WFMOUTPRE:WFID?).\n"); |
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173 | sprintf(buf, ":WFMOUTPRE:WFID \"Ch1, DC coupling, 20.0mV/div, 10.0ns/div, 500 points, Sample mode\""); |
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174 | iTemp = strlen(buf); |
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175 | #endif |
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176 | if (iTemp == -15) |
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177 | printf("\n*** [ NOTHING RECEIVED ] ***\n"); |
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178 | else |
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179 | { |
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180 | bbq = strtok(buf,","); // break WFID out into substrings |
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181 | for (int k = 0; k < 5; k++) |
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182 | { |
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183 | // info on voltage per division setting |
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184 | if (k == 2) |
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185 | { |
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186 | memcpy(cTemp, &bbq[1], 5); |
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187 | cTemp[5] = 0; |
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188 | bbq[7] = 0; |
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189 | tekvolt = atoi(cTemp)*tekunit(&bbq[6]); |
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190 | printf("Voltage per division: %lf\n", tekvolt); |
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191 | } |
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192 | // info on time per division setting |
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193 | if (k == 3) |
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194 | { |
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195 | memcpy(cTemp, &bbq[1], 5); |
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196 | cTemp[5] = 0; |
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197 | bbq[7] = 0; |
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198 | tektime = atoi(cTemp)*tekunit(&bbq[6]); |
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199 | printf("Time per division: %lf\n", tektime); |
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200 | } |
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201 | // info on last point to be transfered by CURVE? |
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202 | if (k == 4) |
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203 | { |
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204 | bbq[strlen(bbq)-7] = 0; |
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205 | sprintf(cmd, "DATA:STOP %d", atoi(bbq)); |
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206 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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207 | vxi11_command(clink, cmd); |
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208 | #else |
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209 | printf("Stop data collection (DATA:STOP): %s\n", cmd); |
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210 | #endif |
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211 | } |
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212 | // printf("bbq = %s\n",bbq); |
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213 | bbq = strtok (NULL, ","); |
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214 | } |
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215 | } |
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216 | |||
217 | // Recheck waveform and data options/settings, turn off header |
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218 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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219 | vxi11_query(clink,"WFMO:WFID?"); |
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220 | vxi11_query(clink,"DATA?"); |
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221 | vxi11_command(clink,(char*)"HEADER OFF"); |
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222 | #else |
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223 | printf("Data format query (WFMOUTPRE:WFID?, DATA?, HEADER OFF).\n"); |
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224 | #endif |
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225 | |||
226 | // Get the channel y-axis offset (only for one CH so far) |
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227 | char posoff[WAVE_LEN]; |
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228 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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229 | sprintf(cmd, "%s:POS?", allChans[scopeChans[0]]); |
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230 | vxi11_command(clink, cmd); |
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231 | vxi11_receive(clink, posoff, WAVE_LEN); |
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232 | choffset = (double)atof(posoff); |
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233 | #else |
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234 | sprintf(posoff, "Just some temporary string info."); |
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235 | printf("Check for channel position offset (CHx:POS?)\n"); |
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236 | #endif |
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237 | |||
238 | // If measurements are to be performed |
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239 | if(scopeUseType == 2) |
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240 | { |
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241 | sprintf(cmd, "MEASU:IMM:SOURCE1 %s", scopeChanstring); |
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242 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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243 | vxi11_command(clink, cmd); |
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244 | #else |
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245 | printf("Set immediate measurement source (MEASU:IMM:SOURCE1): %s\n", cmd); |
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246 | #endif |
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247 | |||
248 | sprintf(cmd, "MEASU:IMM:TYP %s", measType[scopeMeasSel]); |
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249 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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250 | vxi11_command(clink, cmd); |
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251 | #else |
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252 | printf("Set immediate measurement type (MEASU:IMM:TYP): %s\n", cmd); |
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253 | #endif |
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254 | } |
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255 | |||
256 | return 0; |
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257 | } |
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258 | } |
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259 | // --------------------------------------------------------------- |
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260 | |||
261 | // Send a custom command to the scope ---------------------------- |
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262 | int daqscope::customCommand(char *command, bool query, char *sReturn) |
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263 | { |
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264 | if(query) |
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265 | { |
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266 | char buf[WAVE_LEN]; |
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267 | memset(buf, 0, WAVE_LEN); |
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268 | vxi11_send(clink, command); |
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269 | int bytes_returned = vxi11_receive(clink, buf, WAVE_LEN); |
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270 | if (bytes_returned > 0) |
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271 | { |
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272 | printf("%s\n", buf); |
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273 | sprintf(sReturn, "%s", buf); |
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274 | |||
275 | // For testing purposes |
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276 | /* if( strcmp(command, "CURVE?") == 0 ) |
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277 | { |
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278 | FILE *fp; |
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279 | char tst[2]; |
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280 | fp = fopen("./curve_return.txt","w"); |
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281 | for(int i = 6; i < bytes_returned; i++) |
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282 | { |
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283 | if(i%2 == 1) |
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284 | { |
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285 | tst[0] = buf[i]; |
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286 | tst[1] = buf[i-1]; |
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287 | fprintf(fp, "bytes returned = %d\tbyte %d = %d\treturn = %s\n", bytes_returned, i, buf[i], tst); |
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288 | } |
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289 | else |
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290 | fprintf(fp, "bytes returned = %d\tbyte %d = %d\n", bytes_returned, i, buf[i]); |
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291 | } |
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292 | fclose(fp); |
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293 | }*/ |
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294 | } |
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295 | else if (bytes_returned == -15) |
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296 | { |
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297 | printf("*** [ NOTHING RECEIVED ] ***\n"); |
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298 | sprintf(sReturn, "*** [ NOTHING RECEIVED ] ***"); |
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299 | } |
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300 | } |
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301 | else |
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302 | { |
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303 | vxi11_command(clink, command); |
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304 | sprintf(sReturn, "*** [ COMMAND NOT QUERY - NO RETURN ] ***"); |
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305 | } |
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306 | |||
307 | return 0; |
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308 | } |
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309 | // --------------------------------------------------------------- |
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310 | |||
311 | // Get a measuring event (either waveform or measure) ------------ |
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312 | int daqscope::lockunlock(bool lockit) |
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313 | { |
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314 | // Lock the scope front panel for measurements |
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315 | if(lockit) |
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316 | { |
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317 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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318 | vxi11_command(clink,(char*)"LOCK ALL"); |
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319 | return 0; |
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320 | #else |
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321 | // printf("Locking the front panel (LOCK ALL).\n"); |
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322 | return -1; |
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323 | #endif |
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324 | } |
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325 | // Unlock the scope front panel after measurements |
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326 | else |
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327 | { |
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328 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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329 | vxi11_command(clink,(char*)"LOCK NONE"); |
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330 | return 0; |
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331 | #else |
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332 | // printf("Unlocking the front panel (LOCK ALL).\n"); |
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333 | return -1; |
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334 | #endif |
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335 | } |
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336 | } |
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337 | // --------------------------------------------------------------- |
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338 | |||
339 | // Get a measuring event (either waveform or measure) ------------ |
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340 | int daqscope::event() |
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341 | { |
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342 | int bytes_returned; |
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343 | |||
344 | if(scopeUseType == 0) |
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345 | return -1; |
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346 | else if(scopeUseType == 1) |
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347 | { |
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348 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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349 | memset(eventbuf, 0, WAVE_LEN); |
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350 | vxi11_send(clink, "CURVE?"); |
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351 | bytes_returned = vxi11_receive(clink, eventbuf, WAVE_LEN); |
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352 | #else |
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353 | printf("Ask to return the waveform (CURVE?)\n"); |
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354 | bytes_returned = 0; |
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355 | #endif |
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356 | |||
357 | if(bytes_returned > 0) return 0; |
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358 | else return -1; |
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359 | } |
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360 | else if(scopeUseType == 2) |
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361 | { |
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362 | #if WORKSTAT == 'I' || WORKSTAT == 'S' |
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363 | char buf[WAVE_LEN]; |
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364 | memset(buf, 0, WAVE_LEN); |
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365 | vxi11_send(clink, "MEASU:IMMED:VALUE?"); |
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366 | bytes_returned = vxi11_receive(clink, buf, WAVE_LEN); |
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367 | measubuf = (double)atof(buf); |
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368 | #else |
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369 | // printf("Ask to return the measurement (MEASU:IMMED:VALUE?)\n"); |
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370 | bytes_returned = 0; |
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371 | measubuf = (double)rand()/(double)RAND_MAX; |
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372 | #endif |
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373 | |||
374 | if(bytes_returned > 0) return 0; |
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375 | else return -1; |
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376 | } |
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377 | else |
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378 | return -1; |
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379 | } |
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380 | // --------------------------------------------------------------- |
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381 | |||
382 | // daqscope class constructor and destructor --------------------- |
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383 | daqscope::daqscope() { |
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384 | fStop=0; |
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385 | } |
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386 | |||
387 | daqscope::~daqscope() { |
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388 | disconnect(savedIP); |
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389 | } |
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390 | // --------------------------------------------------------------- |