Add G920 Support (#4)

* Add initial G920 support

* Fix typo

* Add debugging printouts

* Make debug printouts hex

* Change G920 Wheel Range Command

* Remove debug and clean up whitespace

WheelSupports.cpp

@@ -97,6 +97,9 @@ bool ConfigDevice(IOHIDDeviceRef hidDevice, DeviceID deviceID, const DeviceMode
 		case kGPLogitechDFPNative:
             printf("Logitech Driving Force Pro Native mode enabled.\n");
 			return ConfigLogitechWheels(hidDevice, deviceID, true, mode);
+		case kGPLogitechG920Native:
+			printf("Logitech G920 Native mode enabled.\n");
+			return ConfigLogitechWheels(hidDevice, deviceID, true, mode);
 		default:
 			return false;
 	}
@@ -229,6 +232,11 @@ bool ConfigLogitechWheels(IOHIDDeviceRef hidDevice, DeviceID deviceID, bool nati
 			targetDeviceID = kGPLogitechDFPNative;
             printf("Logitech Driving Force Pro Native mode enabled.\n");
 		}
+		else if(CFStringFind(productID, CFSTR(kGPLogitechG920ProductID), 0).location == 0)
+		{
+			targetDeviceID = kGPLogitechG920Native;
+			printf("Logitech G920 Native mode enabled.\n");
+		}
 		else return false;
 
 		// Activate full native and 900 degree mode
@@ -359,6 +367,18 @@ void GetCmdLogitechWheelNative(CCommands *c, const DeviceID deviceID)
 			c->cmds[0][1] = 0x01;
 			c->count = 1;
 			break;
+		case kGPLogitechG920Native:
+			c->cmds[0][0] = 0xf8;
+			c->cmds[0][1] = 0x0a;
+			c->cmds[0][2] = 0x00;
+			c->cmds[0][3] = 0x00;
+			c->cmds[0][4] = 0x00;
+			c->cmds[0][5] = 0x00;
+			c->cmds[0][6] = 0x00;
+			c->cmds[0][7] = 0x00;
+
+			c->count = 2;
+			break;
 		default:
 			c->count = 0;
 			break;
@@ -439,6 +459,17 @@ void GetCmdLogitechWheelRange(CCommands *c, const DeviceID deviceID, int range)
 			}
 			break;
 		}
+		case kGPLogitechG920Native:
+		{
+			c->cmds[0][0] = 0xf8;
+			c->cmds[0][1] = 0x61;
+			c->cmds[0][2] = (range & 0x00ff);
+			c->cmds[0][3] = (range & 0xff00) >> 8;
+			c->cmds[0][4] = 0x00;
+			c->cmds[0][5] = 0x00;
+			c->cmds[0][6] = 0x00;
+			c->cmds[0][7] = 0x00;
+		}
 		default:
 			c->count = 0;
 			break;

WheelSupports.h

@@ -31,12 +31,14 @@
 #define kGPLogitechG27Native						0xc29b046d
 #define kGPLogitechDFGTNative						0xc29a046d
 #define kGPLogitechDFPNative						0xc298046d
+#define kGPLogitechG920Native						0xc261046d
 
 // Product IDs
 #define kGPLogitechG25ProductID						"G25"
 #define kGPLogitechG27ProductID						"G27"
 #define kGPLogitechDFGTProductID					"Driving Force GT"
 #define kGPLogitechDFPProductID						"Driving Force Pro"
+#define kGPLogitechG920ProductID					"G920"
 
 // Device properties
 #define kGPLogitechWheelRangeStandard				240