Add Benito board LED driver to the Benito Programmer project.
[pub/USBasp.git] / Demos / Device / ClassDriver / Keyboard / Keyboard.c
index fb19d02..6f0bd1d 100644 (file)
@@ -37,6 +37,9 @@
 \r
 #include "Keyboard.h"\r
 \r
+/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */\r
+uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];\r
+\r
 /** LUFA HID Class driver interface configuration and state information. This structure is\r
  *  passed to all HID Class driver functions, so that multiple instances of the same class\r
  *  within a device can be differentiated from one another.\r
@@ -49,6 +52,9 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
 \r
                                .ReportINEndpointNumber  = KEYBOARD_EPNUM,\r
                                .ReportINEndpointSize    = KEYBOARD_EPSIZE,\r
+\r
+                               .PrevReportINBuffer      = PrevKeyboardHIDReportBuffer,\r
+                               .PrevReportINBufferSize  = sizeof(PrevKeyboardHIDReportBuffer),\r
                        },\r
     };\r
 \r
@@ -92,19 +98,19 @@ void SetupHardware()
 }\r
 \r
 /** Event handler for the library USB Connection event. */\r
-void EVENT_USB_Connect(void)\r
+void EVENT_USB_Device_Connect(void)\r
 {\r
        LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
 }\r
 \r
 /** Event handler for the library USB Disconnection event. */\r
-void EVENT_USB_Disconnect(void)\r
+void EVENT_USB_Device_Disconnect(void)\r
 {\r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \r
 /** Event handler for the library USB Configuration Changed event. */\r
-void EVENT_USB_ConfigurationChanged(void)\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
 {\r
        LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
 \r
@@ -112,10 +118,10 @@ void EVENT_USB_ConfigurationChanged(void)
          LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
 \r
-/** Event handler for the library USB Unhandled Control Packet event. */\r
-void EVENT_USB_UnhandledControlPacket(void)\r
+/** Event handler for the library USB Unhandled Control Request event. */\r
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
 {\r
-       HID_Device_ProcessControlPacket(&Keyboard_HID_Interface);\r
+       HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);\r
 }\r
 \r
 /** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */\r
@@ -129,10 +135,12 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
  *  \param[in] HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
  *  \param[in,out] ReportID  Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID\r
  *  \param[out] ReportData  Pointer to a buffer where the created report should be stored\r
+ *  \param[out] ReportSize  Number of bytes written in the report (or zero if no report is to be sent\r
  *\r
- *  \return Number of bytes written in the report (or zero if no report is to be sent\r
+ *  \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent\r
  */\r
-uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, void* ReportData)\r
+bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,\r
+                                         void* ReportData, uint16_t* ReportSize)\r
 {\r
        USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;\r
        \r
@@ -154,8 +162,9 @@ uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const H
          \r
        if (ButtonStatus_LCL & BUTTONS_BUTTON1)\r
          KeyboardReport->KeyCode[0] = 0x09; // F\r
-         \r
-       return sizeof(USB_KeyboardReport_Data_t);\r
+       \r
+       *ReportSize = sizeof(USB_KeyboardReport_Data_t);\r
+       return false;\r
 }\r
 \r
 /** HID class driver callback function for the processing of HID reports from the host.\r