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@@ -31,7 +31,7 @@ LIGHT_BOOL light_parseArguments(int argc, char** argv)
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31
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31
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32
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32
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unsigned long specLen = 0;
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33
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33
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34
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- while((currFlag = getopt(argc, argv, "HhVGSAUbmcas:prv:")) != -1)
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34
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+ while((currFlag = getopt(argc, argv, "HhVGSAULbmcas:prv:")) != -1)
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35
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35
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{
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36
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36
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switch(currFlag)
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37
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37
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{
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@@ -61,6 +61,9 @@ LIGHT_BOOL light_parseArguments(int argc, char** argv)
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61
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61
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ASSERT_OPSET();
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62
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62
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light_Configuration.operationMode = LIGHT_SUB;
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63
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63
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break;
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64
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+ case 'L':
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65
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+ ASSERT_OPSET();
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66
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+ light_Configuration.operationMode = LIGHT_LIST_CTRL;
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64
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67
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65
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68
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/* -- Targets -- */
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66
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69
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case 'b':
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@@ -185,7 +188,8 @@ void light_printHelp(){
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185
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188
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printf(" -G:\t\tGet value (default)\n");
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186
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189
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printf(" -S:\t\tSet value\n");
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187
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190
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printf(" -A:\t\tAdd value\n");
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188
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- printf(" -U:\t\tSubtract value\n\n");
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191
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+ printf(" -U:\t\tSubtract value\n");
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192
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+ printf(" -L:\t\tList controllers\n\n");
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189
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193
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190
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194
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printf("Targets (can not be used in conjunction):\n");
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191
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195
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printf(" -b:\t\tBrightness (default)\n \t\tUsed with [GSAU]\n\n");
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@@ -216,7 +220,8 @@ LIGHT_BOOL light_initialize(int argc, char** argv)
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216
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220
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return FALSE;
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217
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221
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}
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218
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222
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219
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- if(light_Configuration.operationMode == LIGHT_PRINT_HELP || light_Configuration.operationMode == LIGHT_PRINT_VERSION)
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223
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+ /* Just return true for operation modes that do not need initialization */
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224
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+ if(light_Configuration.operationMode == LIGHT_PRINT_HELP || light_Configuration.operationMode == LIGHT_PRINT_VERSION || light_Configuration.operationMode == LIGHT_LIST_CTRL)
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220
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225
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{
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221
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226
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return TRUE;
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222
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227
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}
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@@ -292,6 +297,13 @@ LIGHT_BOOL light_execute()
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292
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297
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return TRUE;
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293
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298
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}
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294
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299
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300
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+ if(light_Configuration.operationMode == LIGHT_LIST_CTRL)
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301
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+ {
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302
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+ /* listControllers() can return FALSE, but only if it does not find any controllers. That is not enough for an unsuccessfull run. */
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303
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+ light_listControllers();
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304
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+ return TRUE;
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305
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+ }
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306
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+
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295
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307
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/* Prepare variables */
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296
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308
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297
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309
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/* -- First, get the current, min and max values directly from controller/configuration (raw values) */
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@@ -412,6 +424,7 @@ LIGHT_BOOL light_execute()
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412
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424
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case LIGHT_GET:
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413
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425
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case LIGHT_PRINT_HELP:
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414
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426
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case LIGHT_PRINT_VERSION:
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427
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+ case LIGHT_LIST_CTRL:
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415
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428
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break;
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416
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429
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}
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417
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430
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@@ -731,3 +744,26 @@ LIGHT_BOOL light_setMinCap(char const * controller, unsigned long v)
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731
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744
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free(mincapPath);
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732
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745
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return TRUE;
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733
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746
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}
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747
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+
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748
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+LIGHT_BOOL light_listControllers()
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749
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+{
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750
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+ LIGHT_BOOL foundController = FALSE;
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751
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+
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752
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+ while(light_iterateControllers())
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753
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+ {
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754
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+ if(!foundController)
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755
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+ {
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756
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+ foundController = TRUE;
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757
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+ }
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758
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+
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759
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+ printf("%s\n", light_currentController);
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760
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+ }
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761
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+
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762
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+ if(!foundController)
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763
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+ {
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764
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+ LIGHT_WARN("no controllers found, either check your system or your permissions");
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765
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+ return FALSE;
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766
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+ }
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767
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+
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768
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+ return TRUE;
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769
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+}
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