Oops: Really disable building of Projects/Host/ClassDriver directory in the Projects...

[pub/USBasp.git] / Demos / Device / ClassDriver / Keyboard / Keyboard.c

diff --git a/Demos/Device/ClassDriver/Keyboard/Keyboard.c b/Demos/Device/ClassDriver/Keyboard/Keyboard.c
index f44a934..e609d7a 100644 (file)
--- a/Demos/Device/ClassDriver/Keyboard/Keyboard.c
+++ b/Demos/Device/ClassDriver/Keyboard/Keyboard.c
@@ -37,6 +37,9 @@
 \r
 #include "Keyboard.h"\r
 \r
 \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
 /** 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


@@ -50,13 +53,9 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface =
                                .ReportINEndpointNumber  = KEYBOARD_EPNUM,\r
                                .ReportINEndpointSize    = KEYBOARD_EPSIZE,\r
 \r
                                .ReportINEndpointNumber  = KEYBOARD_EPNUM,\r
                                .ReportINEndpointSize    = KEYBOARD_EPSIZE,\r
 \r

-                               .ReportINBufferSize      = sizeof(USB_KeyboardReport_Data_t),\r
+                               .PrevReportINBuffer      = PrevKeyboardHIDReportBuffer,\r
+                               .PrevReportINBufferSize  = sizeof(PrevKeyboardHIDReportBuffer),\r

                        },\r
                        },\r

-               \r
-               .State =\r
-                       {\r
-                               .IdleCount               = 500,\r
-                       }\r

     };\r
 \r
 /** Main program entry point. This routine contains the overall program flow, including initial\r
     };\r
 \r
 /** Main program entry point. This routine contains the overall program flow, including initial\r


@@ -90,57 +89,54 @@ void SetupHardware()
        LEDs_Init();\r
        Buttons_Init();\r
        USB_Init();\r
        LEDs_Init();\r
        Buttons_Init();\r
        USB_Init();\r

-\r
-       /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */\r
-       OCR0A  = ((F_CPU / 64) / 1000);\r
-       TCCR0A = (1 << WGM01);\r
-       TCCR0B = ((1 << CS01) | (1 << CS00));\r
-       TIMSK0 = (1 << OCIE0A);\r

 }\r
 \r
 /** Event handler for the library USB Connection event. */\r
 }\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
 {\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
 {\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
        if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface)))\r
          LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 {\r
        LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
 \r
        if (!(HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface)))\r
          LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r

+\r
+       USB_Device_EnableSOFEvents();\r

 }\r
 \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
 {\r

-       HID_Device_ProcessControlPacket(&Keyboard_HID_Interface);\r
+       HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);\r

 }\r
 \r
 }\r
 \r

-/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */\r
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)\r
+/** Event handler for the USB device Start Of Frame event. */\r
+void EVENT_USB_Device_StartOfFrame(void)\r

 {\r
 {\r

-       if (Keyboard_HID_Interface.State.IdleMSRemaining)\r
-         Keyboard_HID_Interface.State.IdleMSRemaining--;\r
+       HID_Device_MillisecondElapsed(&Keyboard_HID_Interface);\r

 }\r
 \r
 /** HID class driver callback function for the creation of HID reports to the host.\r
  *\r
 }\r
 \r
 /** HID class driver callback function for the creation of HID reports to the host.\r
  *\r

- *  \param HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
- *  \param ReportID  Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID\r
- *  \param ReportData  Pointer to a buffer where the created report should be stored\r
+ *  \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
  *\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
  */\r

-uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo, uint8_t* 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
 {\r
        USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;\r
        \r


@@ -162,19 +158,20 @@ uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* HIDInte
          \r
        if (ButtonStatus_LCL & BUTTONS_BUTTON1)\r
          KeyboardReport->KeyCode[0] = 0x09; // F\r
          \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
  *\r
 }\r
 \r
 /** HID class driver callback function for the processing of HID reports from the host.\r
  *\r

- *  \param HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
- *  \param ReportID  Report ID of the received report from the host\r
- *  \param ReportData  Pointer to a buffer where the created report has been stored\r
- *  \param ReportSize  Size in bytes of the received HID report\r
+ *  \param[in] HIDInterfaceInfo  Pointer to the HID class interface configuration structure being referenced\r
+ *  \param[in] ReportID  Report ID of the received report from the host\r
+ *  \param[in] ReportData  Pointer to a buffer where the created report has been stored\r
+ *  \param[in] ReportSize  Size in bytes of the received HID report\r

  */\r
  */\r

-void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo, uint8_t ReportID,\r
-                                          void* ReportData, uint16_t ReportSize)\r
+void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,\r
+                                          const void* ReportData, const uint16_t ReportSize)\r

 {\r
        uint8_t  LEDMask   = LEDS_NO_LEDS;\r
        uint8_t* LEDReport = (uint8_t*)ReportData;\r
 {\r
        uint8_t  LEDMask   = LEDS_NO_LEDS;\r
        uint8_t* LEDReport = (uint8_t*)ReportData;\r