X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f85a53a31b00190ad726f509ad275079fc6eb994..31d8ebebc0796873f7c70db80a04acdcbb307ed8:/Demos/Device/LowLevel/Keyboard/Keyboard.c

diff --git a/Demos/Device/LowLevel/Keyboard/Keyboard.c b/Demos/Device/LowLevel/Keyboard/Keyboard.c
index 252714808..02f61a528 100644
--- a/Demos/Device/LowLevel/Keyboard/Keyboard.c
+++ b/Demos/Device/LowLevel/Keyboard/Keyboard.c
@@ -85,18 +85,12 @@ void SetupHardware(void)
 	Joystick_Init();
 	LEDs_Init();
 	USB_Init();
-	
-	/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
-	OCR0A  = 0x7D;
-	TCCR0A = (1 << WGM01);
-	TCCR0B = ((1 << CS01) | (1 << CS00));
-	TIMSK0 = (1 << OCIE0A);
 }
 
 /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
-void EVENT_USB_Connect(void)
+void EVENT_USB_Device_Connect(void)
 {
 	/* Indicate USB enumerating */
 	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
@@ -108,7 +102,7 @@ void EVENT_USB_Connect(void)
 /** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
  *  the status LEDs.
  */
-void EVENT_USB_Disconnect(void)
+void EVENT_USB_Device_Disconnect(void)
 {
 	/* Indicate USB not ready */
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
@@ -117,7 +111,7 @@ void EVENT_USB_Disconnect(void)
 /** Event handler for the USB_ConfigurationChanged event. This is fired when the host sets the current configuration
  *  of the USB device after enumeration, and configures the keyboard device endpoints.
  */
-void EVENT_USB_ConfigurationChanged(void)
+void EVENT_USB_Device_ConfigurationChanged(void)
 {	
 	/* Indicate USB connected and ready */
 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
@@ -137,13 +131,15 @@ void EVENT_USB_ConfigurationChanged(void)
 	{
 		LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 	}
+	
+	USB_Device_EnableSOFEvents();
 }
 
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
+/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
  *  control requests that are not handled internally by the USB library (including the HID commands, which are
  *  all issued via the control endpoint), so that they can be handled appropriately for the application.
  */
-void EVENT_USB_UnhandledControlPacket(void)
+void EVENT_USB_Device_UnhandledControlRequest(void)
 {
 	/* Handle HID Class specific requests */
 	switch (USB_ControlRequest.bRequest)
@@ -172,7 +168,11 @@ void EVENT_USB_UnhandledControlPacket(void)
 				Endpoint_ClearSETUP();
 				
 				/* Wait until the LED report has been sent by the host */
-				while (!(Endpoint_IsOUTReceived()));
+				while (!(Endpoint_IsOUTReceived()))
+				{
+					if (USB_DeviceState == DEVICE_STATE_Unattached)
+					  return;
+				}
 
 				/* Read in the LED report from the host */
 				uint8_t LEDStatus = Endpoint_Read_Byte();
@@ -183,9 +183,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Clear the endpoint data */
 				Endpoint_ClearOUT();
 
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 			
 			break;
@@ -200,9 +198,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Send the flag to the host */
 				Endpoint_ClearIN();
 
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsOUTReceived()));
-				Endpoint_ClearOUT();
+				Endpoint_ClearStatusStage();
 			}
 			
 			break;
@@ -214,9 +210,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Set or clear the flag depending on what the host indicates that the current Protocol should be */
 				UsingReportProtocol = (USB_ControlRequest.wValue != 0);
 
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 			
 			break;
@@ -228,9 +222,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Get idle period in MSB, IdleCount must be multiplied by 4 to get number of milliseconds */
 				IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
 				
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 			
 			break;
@@ -245,19 +237,15 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Send the flag to the host */
 				Endpoint_ClearIN();
 
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsOUTReceived()));
-				Endpoint_ClearOUT();
+				Endpoint_ClearStatusStage();
 			}
 
 			break;
 	}
 }
 
-/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the
- *  scheduler elapsed idle period counter when the host has set an idle period.
- */
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)
+/** Event handler for the USB device Start Of Frame event. */
+void EVENT_USB_Device_StartOfFrame(void)
 {
 	/* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */
 	if (IdleMSRemaining)
@@ -377,13 +365,13 @@ void ReceiveNextReport(void)
 /** Function to manage HID report generation and transmission to the host, when in report mode. */
 void HID_Task(void)
 {
-	/* Check if the USB system is connected to a host */
-	if (USB_IsConnected)
-	{
-		/* Send the next keypress report to the host */
-		SendNextReport();
+	/* Device must be connected and configured for the task to run */
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return;
+	  
+	/* Send the next keypress report to the host */
+	SendNextReport();
 		
-		/* Process the LED report sent from the host */
-		ReceiveNextReport();
-	}
+	/* Process the LED report sent from the host */
+	ReceiveNextReport();
 }