X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e6881fd166586793a5a90effeefe4188092f383b..ec079c71d89913dd4823fe7ecf22d0d3f42b1e6d:/Demos/Device/LowLevel/Joystick/Joystick.c

diff --git a/Demos/Device/LowLevel/Joystick/Joystick.c b/Demos/Device/LowLevel/Joystick/Joystick.c
index 0c018aa8d..db2415e4b 100644
--- a/Demos/Device/LowLevel/Joystick/Joystick.c
+++ b/Demos/Device/LowLevel/Joystick/Joystick.c
@@ -136,7 +136,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 
 /** Fills the given HID report data structure with the next HID report to send to the host.
  *
- *  \param ReportData  Pointer to a HID report data structure to be filled
+ *  \param[out] ReportData  Pointer to a HID report data structure to be filled
  *
  *  \return Boolean true if the new report differs from the last report, false otherwise
  */
@@ -181,28 +181,28 @@ bool GetNextReport(USB_JoystickReport_Data_t* ReportData)
 /** Function to manage HID report generation and transmission to the host. */
 void HID_Task(void)
 {
-	/* Check if the USB System is connected to a Host */
-	if (USB_IsConnected)
+	/* Device must be connected and configured for the task to run */
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return;
+  
+	/* Select the Joystick Report Endpoint */
+	Endpoint_SelectEndpoint(JOYSTICK_EPNUM);
+
+	/* Check to see if the host is ready for another packet */
+	if (Endpoint_IsINReady())
 	{
-		/* Select the Joystick Report Endpoint */
-		Endpoint_SelectEndpoint(JOYSTICK_EPNUM);
-
-		/* Check to see if the host is ready for another packet */
-		if (Endpoint_IsINReady())
-		{
-			USB_JoystickReport_Data_t JoystickReportData;
-			
-			/* Create the next HID report to send to the host */
-			GetNextReport(&JoystickReportData);
+		USB_JoystickReport_Data_t JoystickReportData;
 		
-			/* Write Joystick Report Data */
-			Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
-
-			/* Finalize the stream transfer to send the last packet */
-			Endpoint_ClearIN();
-			
-			/* Clear the report data afterwards */
-			memset(&JoystickReportData, 0, sizeof(JoystickReportData));
-		}
+		/* Create the next HID report to send to the host */
+		GetNextReport(&JoystickReportData);
+	
+		/* Write Joystick Report Data */
+		Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
+
+		/* Finalize the stream transfer to send the last packet */
+		Endpoint_ClearIN();
+		
+		/* Clear the report data afterwards */
+		memset(&JoystickReportData, 0, sizeof(JoystickReportData));
 	}
 }