added a silly test for future thinking

usbSearch.c

@@ -1,4 +1,20 @@
 /*
+ * usbSearch -- Search for USB devices by VID and PID, shows serial numbers
+ *
+ * http://github.com/todbot/usbSearch/
+ *
+ * 2012, Tod E. Kurt, http://todbot.com/blog/
+ *
+ *
+ * Uses DispHealper : http://disphelper.sourceforge.net/
+ * Also see: 
+ *  http://blogs.msdn.com/b/powershell/archive/2007/02/24/displaying-usb-devices-using-wmi.aspx
+ * http://technet.microsoft.com/en-us/library/ee156618.aspx
+ *
+ * Notable VIDs & PIDs combos:
+ * VID 0403 - FTDI
+ * 
+ * VID 0403 / PID 6001 - Arduino Diecimila
  *
  */
 
@@ -21,23 +37,22 @@
 //
 void usage(void)
 {
-	fprintf(stderr, "Usage: usbSearch [-w] [-h] [-n] [-v] \n");
-	fprintf(stderr, "\t-w : Wait for device to appear\n");
-	fprintf(stderr, "\t-r : Use hard reboot if device not online\n");
-	fprintf(stderr, "\t-n : No reboot after programming\n");
-	fprintf(stderr, "\t-v : Verbose output\n");
-	fprintf(stderr, "\n<MCU> = atmega32u4 | at90usb162 | at90usb646 | at90usb1286\n");
-	fprintf(stderr, "\nFor more information, please visit:\n");
+	fprintf(stderr, "Usage: usbSearch [-h] [-v] [-vid <vid>] [-pid <pid>]\n");
+	fprintf(stderr, "\t-vid <vid> : Search by Vendor ID\n");
+	fprintf(stderr, "\t-pid <pid> : Search by Product ID\n");
+	fprintf(stderr, "\t-v : Verbose output (more for more output)\n");
+	fprintf(stderr, "\t-h : This help message\n");
+	fprintf(stderr, "\nFor more info, https://github.com/todbot/usbSearch\n");
 	exit(1);
 }
 
 
 // command-line options
-
 int verbose = 0;
 char* VIDstr;
 char* PIDstr;
 
+void do_silly_test(void);
 
 //
 void parse_options(int argc, char **argv)
@@ -83,7 +98,8 @@ int do_usbSearch(void)
         sprintf( vidpidstr, "VID_%s&PID_%s", VIDstr, PIDstr);
     }
 
-    if(verbose) printf("Searching for '%s'...\n", vidpidstr);
+    if(verbose)
+        printf("Searching for '%s'...\n", vidpidstr);
 
     DISPATCH_OBJ(wmiSvc);
     DISPATCH_OBJ(colDevices);
@@ -97,6 +113,10 @@ int do_usbSearch(void)
                L".ExecQuery(%S)",  L"Select * From Win32_USBControllerDevice");
 
 
+
+    if(0) do_silly_test();
+
+
     int match_count = 0;
 
     FOR_EACH(objDevice, colDevices, NULL) {
@@ -105,24 +125,24 @@ int do_usbSearch(void)
         char* pch;
 
         dhGetValue(L"%s", &str1,  objDevice, L".Dependent");
-
-       if(verbose>1) printf("\n'%s'.\n\n", str1);
+        
+        if(verbose>1) printf("'%s'.\n", str1);
         pch = strtok( str1, "\"");
         pch = strtok( NULL, "\"");
-        if(verbose>1) printf("'%s'\n", pch);
+        if(verbose>2) printf("'%s'\n", pch);
 
         char* word;
         int i;
         int match = 0;
-        char vpstr[1000];
+        char vpstr[1000]; // FIXME: hack
 
         // pos 0 = "USB", pos 1 = "VID_01234&PID=ABCD", pos 2 = serial number
         for (word = strtok( pch, "\\" ), i=0;  word;
              word = strtok(NULL, "\\" ),i++ ) {
             if( i==0 && strstr( word, "USB" ) != NULL ) { // match
                 match = 1;
             }
-            if( i==1 && match==1 && strstr( word, vidpidstr ) != NULL ) { // match
+            if( i==1 && match==1 && strstr( word, vidpidstr ) != NULL ) {
                 match = 2;
                 strcpy(vpstr,word);
             }
@@ -132,7 +152,7 @@ int do_usbSearch(void)
                 printf("Found VID:%s PID:%s serial:%s\n", vstr, pstr, word);
                 match_count++;
             }
-            if(verbose>1) printf("%d:'%s'\n", i,word );
+            if(verbose>2) printf("%d:'%s'\n", i,word );
         }
 
         dhFreeString(str1);
@@ -144,7 +164,8 @@ int do_usbSearch(void)
 
     dhUninitialize(TRUE);
 
-    if(verbose) printf("Found %d match%s\n", match_count,(match_count==1)?"":"es");
+    if(verbose) 
+        printf("Found %d match%s\n", match_count,(match_count==1)?"":"es");
     return 0;
 }
 
@@ -160,3 +181,59 @@ int main(int argc, char **argv)
     return 0;
 
 }
+
+
+
+void do_silly_test(void)
+{
+// could do something like this too, once you get a list of Dependents
+// from Win32_USBControllerDevice
+// see: http://msdn.microsoft.com/en-us/library/windows/desktop/aa387884(v=vs.85).aspx
+// and: http://msdn.microsoft.com/en-us/library/windows/desktop/aa394353(v=vs.85).aspx
+    DISPATCH_OBJ(aDevice);
+    char *str2 = NULL;
+    //    dhGetObject( L"winmgmts:\\\\BOKBOKXP\\root\\cimv2:Win32_PnPEntity.DeviceID=\"USBPRINT\\\\HPHP_COLOR_LASERJET_8500_PS\\\\6&10299E26&0&USB009\"",
+    // arduino diecimilia
+    dhGetObject( L"winmgmts:\\\\BOKBOKXP\\root\\cimv2:Win32_PnPEntity.DeviceID=\"USB\\\\VID_0403&PID_6001\\\\A6004CCF\"",
+                 NULL, &aDevice );
+    dhGetValue(L"%s", &str2,  aDevice, L".Caption");
+    printf("Caption:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".CreationClassName");
+    printf("CreationClassName:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".Description");
+    printf("Description:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".DeviceID");
+    printf("DeviceID:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".Name");
+    printf("Name:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".PNPDeviceID");
+    printf("PNPDeviceID:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".Status");
+    printf("Status:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".SystemCreationClassName");
+    printf("SystemCreationClassName:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".SystemName");
+    printf("SystemName:%s\n",str2);
+    //dhGetValue(L"%s", &str2,  aDevice, L".HardwareID"); // no work arrays
+    //printf("HardwareID:%s\n",str2);
+    dhGetValue(L"%s", &str2,  aDevice, L".Service");
+    printf("Service:%s\n",str2);
+
+    printf("\n\n");
+}
+
+
+/*
+
+// getWmiStr:
+//  Helper function to create wmi moniker incorporating computer name.
+static LPWSTR getWmiStr(LPCWSTR str)
+{
+	static WCHAR szWmiStr[256];
+
+	wcscpy(szWmiStr, L"winmgmts:{impersonationLevel=impersonate}!\\\\");
+	wcsncat(szWmiStr, str, 128);
+
+	return szWmiStr;
+}
+*/