Ticket #7649: JProtocol.diff

src/add-ons/kernel/drivers/input/usb_hid/HIDWriter.cpp

@@ -42 +42 @@
     SetReportSize(bitLength);
     SetReportCount(count);
 
-    main_item_data data;
+    main_item_data data = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
     data.data_constant = 1;
     return Input(data);
 }

src/add-ons/kernel/drivers/input/usb_hid/JoystickProtocolHandler.cpp

@@ -38 +38 @@
     memset(&fJoystickModuleInfo, 0, sizeof(joystick_module_info));
     memset(&fCurrentValues, 0, sizeof(variable_joystick));
 
+    // Make the first 2 axes reserved, usb_joy made the first 2 axes reserved
+    // this allows a legacy app to at least be able to use a gamepad
+    // With this modification i can use an xbox360 controller's first stick
+    // in a legacy application such as BeS9x.
+    
+    fAxis = (HIDReportItem **)malloc(2 * sizeof(HIDReportItem *));
+    fAxis[0] = report.FindItem(B_HID_USAGE_PAGE_GENERIC_DESKTOP,
+        B_HID_UID_GD_X);
+    fAxis[1] = report.FindItem(B_HID_USAGE_PAGE_GENERIC_DESKTOP,
+        B_HID_UID_GD_Y);
+    fAxisCount = 2;
+    
     for (uint32 i = 0; i < report.CountItems(); i++) {
         HIDReportItem *item = report.ItemAt(i);
         if (!item->HasData())
@@ -89 +101 @@
                 } else
                     break;
 
+                if(item == fAxis[0] || item == fAxis[1])
+                    continue;
+                    
                 HIDReportItem **newAxis = (HIDReportItem **)realloc(fAxis,
                     ++fAxisCount * sizeof(HIDReportItem *));
                 if (newAxis == NULL) {