Rev 197 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 195 | f9daq | 1 | #include <windows.h> |
| 2 | #include <drsread.h> |
||
| 3 | |||
| 4 | /* The two macros below are used as error return codes */ |
||
| 5 | /* in case the DLL does not load, or is missing one or */ |
||
| 6 | /* more functions, respectively. You must define them */ |
||
| 7 | /* to whatever values are meaningful for your DLL. */ |
||
| 8 | #define kFailedToLoadDLLError ??? |
||
| 9 | #define kCouldNotFindFunction ??? |
||
| 10 | |||
| 11 | static HINSTANCE DLLHandle; |
||
| 12 | |||
| 13 | /* Declare the variables that hold the addresses of the function */ |
||
| 14 | /* pointers. */ |
||
| 15 | static void (__cdecl *DRSSetMask_Ptr)(int mask); |
||
| 16 | static void (__cdecl *DRSSetTriggerType_Ptr)(int type); |
||
| 17 | static void (__cdecl *DRSSetFrequency_Ptr)(int freq); |
||
| 18 | static void (__cdecl *DRSSetRange_Ptr)(double range); |
||
| 19 | static void (__cdecl *DRSSetTriggerChannel_Ptr)(int channel); |
||
| 20 | static void (__cdecl *DRSSetTriggerDelay_Ptr)(double delay); |
||
| 21 | static void (__cdecl *DRSSetTriggerLevel_Ptr)(double level); |
||
| 22 | static void (__cdecl *DRSSetTriggerPolarity_Ptr)(int polarity); |
||
| 23 | static float *(__cdecl *DRSGetTime_Ptr)(int ch); |
||
| 24 | static float *(__cdecl *DRSGetWave_Ptr)(int ch); |
||
| 25 | static int (__cdecl *DRSInit_Ptr)(); |
||
| 26 | static int (__cdecl *DRSRead_Ptr)(int drstimer); |
||
| 27 | static int (__cdecl *DRSEnd_Ptr)(); |
||
| 28 | static int (__cdecl *DRSToBuffer_Ptr)(unsigned char *p, int m_evSerial); |
||
| 29 | static int (__cdecl *DRSIsTimeout_Ptr)(); |
||
| 30 | static void (__cdecl *DRSSetTimeout_Ptr)(); |
||
| 31 | static void (__cdecl *DRSSigInt_Ptr)(int k); |
||
| 32 | |||
| 33 | |||
| 34 | /* Load the DLL and get the addresses of the functions */ |
||
| 35 | static int LoadDLLIfNeeded(void) |
||
| 36 | { |
||
| 37 | if (DLLHandle) |
||
| 38 | return 0; |
||
| 39 | |||
| 40 | DLLHandle = LoadLibrary("drsread.dll"); |
||
| 41 | if (DLLHandle == NULL) { |
||
| 42 | return kFailedToLoadDLLError; |
||
| 43 | } |
||
| 44 | |||
| 45 | if (!(DRSSetMask_Ptr = (void*) GetProcAddress(DLLHandle, "DRSSetMask"))) |
||
| 46 | goto FunctionNotFoundError; |
||
| 47 | |||
| 48 | if (!(DRSSetTriggerType_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 49 | "DRSSetTriggerType"))) |
||
| 50 | goto FunctionNotFoundError; |
||
| 51 | |||
| 52 | if (!(DRSSetFrequency_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 53 | "DRSSetFrequency"))) |
||
| 54 | goto FunctionNotFoundError; |
||
| 55 | |||
| 56 | if (!(DRSSetRange_Ptr = (void*) GetProcAddress(DLLHandle, "DRSSetRange"))) |
||
| 57 | goto FunctionNotFoundError; |
||
| 58 | |||
| 59 | if (!(DRSSetTriggerChannel_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 60 | "DRSSetTriggerChannel"))) |
||
| 61 | goto FunctionNotFoundError; |
||
| 62 | |||
| 63 | if (!(DRSSetTriggerDelay_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 64 | "DRSSetTriggerDelay"))) |
||
| 65 | goto FunctionNotFoundError; |
||
| 66 | |||
| 67 | if (!(DRSSetTriggerLevel_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 68 | "DRSSetTriggerLevel"))) |
||
| 69 | goto FunctionNotFoundError; |
||
| 70 | |||
| 71 | if (!(DRSSetTriggerPolarity_Ptr = (void*) GetProcAddress(DLLHandle, |
||
| 72 | "DRSSetTriggerPolarity"))) |
||
| 73 | goto FunctionNotFoundError; |
||
| 74 | |||
| 75 | if (!(DRSGetTime_Ptr = (void*) GetProcAddress(DLLHandle, "DRSGetTime"))) |
||
| 76 | goto FunctionNotFoundError; |
||
| 77 | |||
| 78 | if (!(DRSGetWave_Ptr = (void*) GetProcAddress(DLLHandle, "DRSGetWave"))) |
||
| 79 | goto FunctionNotFoundError; |
||
| 80 | |||
| 81 | if (!(DRSInit_Ptr = (void*) GetProcAddress(DLLHandle, "DRSInit"))) |
||
| 82 | goto FunctionNotFoundError; |
||
| 83 | |||
| 84 | if (!(DRSRead_Ptr = (void*) GetProcAddress(DLLHandle, "DRSRead"))) |
||
| 85 | goto FunctionNotFoundError; |
||
| 86 | |||
| 87 | if (!(DRSEnd_Ptr = (void*) GetProcAddress(DLLHandle, "DRSEnd"))) |
||
| 88 | goto FunctionNotFoundError; |
||
| 89 | |||
| 90 | if (!(DRSToBuffer_Ptr = (void*) GetProcAddress(DLLHandle, "DRSToBuffer"))) |
||
| 91 | goto FunctionNotFoundError; |
||
| 92 | |||
| 93 | if (!(DRSIsTimeout_Ptr = (void*) GetProcAddress(DLLHandle, "DRSIsTimeout"))) |
||
| 94 | goto FunctionNotFoundError; |
||
| 95 | |||
| 96 | if (!(DRSSetTimeout_Ptr = (void*) GetProcAddress(DLLHandle, "DRSSetTimeout"))) |
||
| 97 | goto FunctionNotFoundError; |
||
| 98 | |||
| 99 | if (!(DRSSigInt_Ptr = (void*) GetProcAddress(DLLHandle, "DRSSigInt"))) |
||
| 100 | goto FunctionNotFoundError; |
||
| 101 | |||
| 102 | return 0; |
||
| 103 | |||
| 104 | FunctionNotFoundError: |
||
| 105 | FreeLibrary(DLLHandle); |
||
| 106 | DLLHandle = 0; |
||
| 107 | return kCouldNotFindFunction; |
||
| 108 | } |
||
| 109 | |||
| 110 | |||
| 111 | /* Glue Code for each of the DLL functions */ |
||
| 112 | |||
| 113 | |||
| 114 | |||
| 115 | void DRSSetMask(int mask) |
||
| 116 | { |
||
| 117 | int dllLoadError; |
||
| 118 | |||
| 119 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 120 | return; |
||
| 121 | (*DRSSetMask_Ptr)(mask); |
||
| 122 | } |
||
| 123 | |||
| 124 | |||
| 125 | void DRSSetTriggerType(int type) |
||
| 126 | { |
||
| 127 | int dllLoadError; |
||
| 128 | |||
| 129 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 130 | return; |
||
| 131 | (*DRSSetTriggerType_Ptr)(type); |
||
| 132 | } |
||
| 133 | |||
| 134 | |||
| 135 | void DRSSetFrequency(int freq) |
||
| 136 | { |
||
| 137 | int dllLoadError; |
||
| 138 | |||
| 139 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 140 | return; |
||
| 141 | (*DRSSetFrequency_Ptr)(freq); |
||
| 142 | } |
||
| 143 | |||
| 144 | |||
| 145 | void DRSSetRange(double range) |
||
| 146 | { |
||
| 147 | int dllLoadError; |
||
| 148 | |||
| 149 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 150 | return; |
||
| 151 | (*DRSSetRange_Ptr)(range); |
||
| 152 | } |
||
| 153 | |||
| 154 | |||
| 155 | void DRSSetTriggerChannel(int channel) |
||
| 156 | { |
||
| 157 | int dllLoadError; |
||
| 158 | |||
| 159 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 160 | return; |
||
| 161 | (*DRSSetTriggerChannel_Ptr)(channel); |
||
| 162 | } |
||
| 163 | |||
| 164 | |||
| 165 | void DRSSetTriggerDelay(double delay) |
||
| 166 | { |
||
| 167 | int dllLoadError; |
||
| 168 | |||
| 169 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 170 | return; |
||
| 171 | (*DRSSetTriggerDelay_Ptr)(delay); |
||
| 172 | } |
||
| 173 | |||
| 174 | |||
| 175 | void DRSSetTriggerLevel(double level) |
||
| 176 | { |
||
| 177 | int dllLoadError; |
||
| 178 | |||
| 179 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 180 | return; |
||
| 181 | (*DRSSetTriggerLevel_Ptr)(level); |
||
| 182 | } |
||
| 183 | |||
| 184 | |||
| 185 | void DRSSetTriggerPolarity(int polarity) |
||
| 186 | { |
||
| 187 | int dllLoadError; |
||
| 188 | |||
| 189 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 190 | return; |
||
| 191 | (*DRSSetTriggerPolarity_Ptr)(polarity); |
||
| 192 | } |
||
| 193 | |||
| 194 | |||
| 195 | float *DRSGetTime(int ch) |
||
| 196 | { |
||
| 197 | int dllLoadError; |
||
| 198 | |||
| 199 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 200 | return ???; |
||
| 201 | return (*DRSGetTime_Ptr)(ch); |
||
| 202 | } |
||
| 203 | |||
| 204 | |||
| 205 | float *DRSGetWave(int ch) |
||
| 206 | { |
||
| 207 | int dllLoadError; |
||
| 208 | |||
| 209 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 210 | return ???; |
||
| 211 | return (*DRSGetWave_Ptr)(ch); |
||
| 212 | } |
||
| 213 | |||
| 214 | |||
| 215 | int DRSInit() |
||
| 216 | { |
||
| 217 | int dllLoadError; |
||
| 218 | |||
| 219 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 220 | return dllLoadError; |
||
| 221 | return (*DRSInit_Ptr)(); |
||
| 222 | } |
||
| 223 | |||
| 224 | |||
| 225 | int DRSRead(int drstimer) |
||
| 226 | { |
||
| 227 | int dllLoadError; |
||
| 228 | |||
| 229 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 230 | return dllLoadError; |
||
| 231 | return (*DRSRead_Ptr)(drstimer); |
||
| 232 | } |
||
| 233 | |||
| 234 | |||
| 235 | int DRSEnd() |
||
| 236 | { |
||
| 237 | int dllLoadError; |
||
| 238 | |||
| 239 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 240 | return dllLoadError; |
||
| 241 | return (*DRSEnd_Ptr)(); |
||
| 242 | } |
||
| 243 | |||
| 244 | |||
| 245 | int DRSToBuffer(unsigned char *p, int m_evSerial) |
||
| 246 | { |
||
| 247 | int dllLoadError; |
||
| 248 | |||
| 249 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 250 | return dllLoadError; |
||
| 251 | return (*DRSToBuffer_Ptr)(p, m_evSerial); |
||
| 252 | } |
||
| 253 | |||
| 254 | |||
| 255 | int DRSIsTimeout() |
||
| 256 | { |
||
| 257 | int dllLoadError; |
||
| 258 | |||
| 259 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 260 | return dllLoadError; |
||
| 261 | return (*DRSIsTimeout_Ptr)(); |
||
| 262 | } |
||
| 263 | |||
| 264 | |||
| 265 | void DRSSetTimeout() |
||
| 266 | { |
||
| 267 | int dllLoadError; |
||
| 268 | |||
| 269 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 270 | return; |
||
| 271 | (*DRSSetTimeout_Ptr)(); |
||
| 272 | } |
||
| 273 | |||
| 274 | |||
| 275 | void DRSSigInt(int k) |
||
| 276 | { |
||
| 277 | int dllLoadError; |
||
| 278 | |||
| 279 | if (dllLoadError = LoadDLLIfNeeded()) |
||
| 280 | return; |
||
| 281 | (*DRSSigInt_Ptr)(k); |
||
| 282 | } |
||
| 283 |