handle a couple more bits

README.md

@@ -3,7 +3,8 @@ This is only usable with a sepcial patched fw.img and homebrew injected into a W
 Most WiiU VC injector tools already contain the patches required for this, the patches below are only needed if you do it manually.  
 The usage is quite simple, call WiiDRC_Init on boot and after that call WiiDRC_ScanPads every time you update your pad inputs.  
 To check if the gamepad is ready to use, call WiiDRC_Inited and WiiDRC_Connected, if both are true its good to go.  
-The analog stick range goes from about -80 to 80 so make sure to scale it to whatever you need.  
+The analog stick range goes from about -75 to 75 so make sure to scale it to whatever you need.  
+The battery status goes from 6 (full) down to 1 (critical), 0 meaning that it is currently charging.  
 See the "demo" folder for an example on how to use it in a bit more detail.  
 Both compiled Library and Demo can be grabbed from the Releases tab.    
 

demo/source/main.c

@@ -40,7 +40,7 @@ int main(int argc, char *argv[])
 	{
 		printf("\x1b[2J");
 		printf("\x1b[37m");
-		printf("WiiDRC v1.1 Demo by FIX94\n");
+		printf("WiiDRC v1.2 Demo by FIX94\n");
 		printf("Press any button on a real Wiimote to exit\n");
 		if(inited)
 		{
@@ -50,6 +50,9 @@ int main(int argc, char *argv[])
 				const struct WiiDRCData *drcdat = WiiDRC_Data();
 				printf("Left Stick X: %i, Y: %i; Right Stick X: %i, Y: %i\n", 
 					drcdat->xAxisL, drcdat->yAxisL, drcdat->xAxisR, drcdat->yAxisR);
+				if(drcdat->battery) printf("Battery: %i\n", drcdat->battery);
+				else printf("Battery: Charging\n");
+				if(WiiDRC_ShutdownRequested()) printf("Gamepad is asking for a shutdown\n");
 				if(drcdat->button & WIIDRC_BUTTON_A) printf("A pressed\n");
 				if(drcdat->button & WIIDRC_BUTTON_B) printf("B pressed\n");
 				if(drcdat->button & WIIDRC_BUTTON_X) printf("X pressed\n");
@@ -69,6 +72,8 @@ int main(int argc, char *argv[])
 				if(drcdat->extra & WIIDRC_EXTRA_BUTTON_L3) printf("L3 pressed\n");
 				if(drcdat->extra & WIIDRC_EXTRA_BUTTON_R3) printf("R3 pressed\n");
 				if(drcdat->extra & WIIDRC_EXTRA_BUTTON_TV) printf("TV pressed\n");
+				if(drcdat->extra & WIIDRC_EXTRA_OVERLAY_TV) printf("TV overlay\n");
+				if(drcdat->extra & WIIDRC_EXTRA_OVERLAY_POWER) printf("Shutdown overlay\n");
 			}
 			else
 				printf("Gamepad was not enabled when starting Wii VC.\n"); 

include/wiidrc/wiidrc.h

@@ -17,6 +17,7 @@ struct WiiDRCData {
 	s16 yAxisL;
 	s16 yAxisR;
 	u16 button;
+	u8 battery;
 	u8 extra;
 };
 
@@ -39,13 +40,16 @@ struct WiiDRCData {
 
 #define WIIDRC_EXTRA_BUTTON_L3		0x80
 #define WIIDRC_EXTRA_BUTTON_R3		0x40
-#define WIIDRC_EXTRA_BUTTON_TV	0x30
+#define WIIDRC_EXTRA_BUTTON_TV		0x20
+#define WIIDRC_EXTRA_OVERLAY_TV		0x10
+#define WIIDRC_EXTRA_OVERLAY_POWER	0x01
 
 bool WiiDRC_Init();
 bool WiiDRC_Inited();
 bool WiiDRC_Recalibrate();
 bool WiiDRC_ScanPads();
 bool WiiDRC_Connected();
+bool WiiDRC_ShutdownRequested();
 const u8 *WiiDRC_GetRawI2CAddr();
 const struct WiiDRCData *WiiDRC_Data();
 u32 WiiDRC_ButtonsUp();

source/wiidrc.c

@@ -13,6 +13,7 @@
 static struct WiiDRCStat __WiiDRC_Status;
 static struct WiiDRCData __WiiDRC_PadData;
 static struct WiiDRCButtons __WiiDRC_PadButtons;
+static bool __WiiDRC_ShutdownRequested;
 
 static u32 __WiiDRC_Inited = 0;
 static u8 *__WiiDRC_I2CBuf = NULL;
@@ -72,6 +73,7 @@ bool WiiDRC_Init()
 	WiiDRC_Recalibrate(); //sets up __WiiDRC_Status
 	memset(&__WiiDRC_PadData,0,sizeof(struct WiiDRCData));
 	memset(&__WiiDRC_PadButtons,0,sizeof(struct WiiDRCButtons));
+	__WiiDRC_ShutdownRequested = false;
 
 	return true;
 }
@@ -101,12 +103,14 @@ bool WiiDRC_ScanPads()
 		return false;
 
 	DCInvalidateRange(__WiiDRC_I2CBuf,9);
+	__WiiDRC_ShutdownRequested = !!(__WiiDRC_I2CBuf[1]&0x80);
 	__WiiDRC_PadData.button = (__WiiDRC_I2CBuf[2]<<8) | (__WiiDRC_I2CBuf[3]);
 	__WiiDRC_PadData.xAxisL = ((s8)(__WiiDRC_I2CBuf[4]-0x80)) - __WiiDRC_Status.xAxisLmid;
 	__WiiDRC_PadData.yAxisL = ((s8)(__WiiDRC_I2CBuf[5]-0x80)) - __WiiDRC_Status.yAxisLmid;
 	__WiiDRC_PadData.xAxisR = ((s8)(__WiiDRC_I2CBuf[6]-0x80)) - __WiiDRC_Status.xAxisRmid;
 	__WiiDRC_PadData.yAxisR = ((s8)(__WiiDRC_I2CBuf[7]-0x80)) - __WiiDRC_Status.yAxisRmid;
 	__WiiDRC_PadData.extra = __WiiDRC_I2CBuf[8];
+	__WiiDRC_PadData.battery = (__WiiDRC_PadData.extra>>1)&7;
 
 	u16 newstate, oldstate;
 
@@ -129,6 +133,11 @@ bool WiiDRC_Connected()
 	return true; //default connect
 }
 
+bool WiiDRC_ShutdownRequested()
+{
+	return __WiiDRC_ShutdownRequested;
+}
+
 const u8 *WiiDRC_GetRawI2CAddr()
 {
 	return __WiiDRC_I2CBuf;