X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/eb410869474e14ec5762a96b930bc200409b6915..bcf07edeb2a172dd3aeef07908f3b7e9b235a164:/Demos/Device/ClassDriver/Keyboard/Keyboard.c

diff --git a/Demos/Device/ClassDriver/Keyboard/Keyboard.c b/Demos/Device/ClassDriver/Keyboard/Keyboard.c
index 040aec453..2918f5a67 100644
--- a/Demos/Device/ClassDriver/Keyboard/Keyboard.c
+++ b/Demos/Device/ClassDriver/Keyboard/Keyboard.c
@@ -48,13 +48,14 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
  	{
 		.Config =
 			{
-				.InterfaceNumber         = 0,
+				.InterfaceNumber              = 0,
 
-				.ReportINEndpointNumber  = KEYBOARD_EPNUM,
-				.ReportINEndpointSize    = KEYBOARD_EPSIZE,
+				.ReportINEndpointNumber       = KEYBOARD_EPNUM,
+				.ReportINEndpointSize         = KEYBOARD_EPSIZE,
+				.ReportINEndpointDoubleBank   = false,
 
-				.PrevReportINBuffer      = PrevKeyboardHIDReportBuffer,
-				.PrevReportINBufferSize  = sizeof(PrevKeyboardHIDReportBuffer),
+				.PrevReportINBuffer           = PrevKeyboardHIDReportBuffer,
+				.PrevReportINBufferSize       = sizeof(PrevKeyboardHIDReportBuffer),
 			},
     };
 
@@ -89,43 +90,39 @@ void SetupHardware()
 	LEDs_Init();
 	Buttons_Init();
 	USB_Init();
-
-	/* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */
-	OCR0A  = ((F_CPU / 64) / 1000);
-	TCCR0A = (1 << WGM01);
-	TCCR0B = ((1 << CS01) | (1 << CS00));
-	TIMSK0 = (1 << OCIE0A);
 }
 
 /** Event handler for the library USB Connection event. */
-void EVENT_USB_Connect(void)
+void EVENT_USB_Device_Connect(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 }
 
 /** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Disconnect(void)
+void EVENT_USB_Device_Disconnect(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 }
 
 /** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_ConfigurationChanged(void)
+void EVENT_USB_Device_ConfigurationChanged(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
 
 	if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface)))
 	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+
+	USB_Device_EnableSOFEvents();
 }
 
-/** Event handler for the library USB Unhandled Control Packet event. */
-void EVENT_USB_UnhandledControlPacket(void)
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
 {
-	HID_Device_ProcessControlPacket(&Keyboard_HID_Interface);
+	HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
 }
 
-/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)
+/** Event handler for the USB device Start Of Frame event. */
+void EVENT_USB_Device_StartOfFrame(void)
 {
 	HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);
 }
@@ -147,22 +144,34 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn
 	uint8_t JoyStatus_LCL    = Joystick_GetStatus();
 	uint8_t ButtonStatus_LCL = Buttons_GetStatus();
 
+	static uint8_t PrevUsedKeyCodes;
+	uint8_t UsedKeyCodes = 0;
+	
 	if (JoyStatus_LCL & JOY_UP)
-	  KeyboardReport->KeyCode[0] = 0x04; // A
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x04; // A
 	else if (JoyStatus_LCL & JOY_DOWN)
-	  KeyboardReport->KeyCode[0] = 0x05; // B
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x05; // B
 
 	if (JoyStatus_LCL & JOY_LEFT)
-	  KeyboardReport->KeyCode[0] = 0x06; // C
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x06; // C
 	else if (JoyStatus_LCL & JOY_RIGHT)
-	  KeyboardReport->KeyCode[0] = 0x07; // D
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x07; // D
 
 	if (JoyStatus_LCL & JOY_PRESS)
-	  KeyboardReport->KeyCode[0] = 0x08; // E
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x08; // E
 	  
 	if (ButtonStatus_LCL & BUTTONS_BUTTON1)
-	  KeyboardReport->KeyCode[0] = 0x09; // F
+	  KeyboardReport->KeyCode[UsedKeyCodes++] = 0x09; // F
 	
+	/* The host will ignore the device if we add a new keycode to the report while another keycode is currently
+	 * being sent (i.e. the user has pressed another key while a key is already being pressed) - we need to intersperse
+	 * the two reports with a zeroed report to force the host to accept the additional keys */
+	if (UsedKeyCodes != PrevUsedKeyCodes)
+	{
+		memset(KeyboardReport, sizeof(USB_KeyboardReport_Data_t), 0x00);
+		PrevUsedKeyCodes = UsedKeyCodes;
+	}
+
 	*ReportSize = sizeof(USB_KeyboardReport_Data_t);
 	return false;
 }