X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f896c00c48f04fb9273555ab8d9b1af99f865d25..cf22a744ec0da3b68c4ffdb14c6fa43f2e07542f:/Demos/Device/ClassDriver/Keyboard/Keyboard.c diff --git a/Demos/Device/ClassDriver/Keyboard/Keyboard.c b/Demos/Device/ClassDriver/Keyboard/Keyboard.c index f44a93451..666483173 100644 --- a/Demos/Device/ClassDriver/Keyboard/Keyboard.c +++ b/Demos/Device/ClassDriver/Keyboard/Keyboard.c @@ -37,6 +37,9 @@ #include "Keyboard.h" +/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */ +uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)]; + /** LUFA HID Class driver interface configuration and state information. This structure is * passed to all HID Class driver functions, so that multiple instances of the same class * within a device can be differentiated from one another. @@ -45,18 +48,15 @@ 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, - .ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t), + .PrevReportINBuffer = PrevKeyboardHIDReportBuffer, + .PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer), }, - - .State = - { - .IdleCount = 500, - } }; /** Main program entry point. This routine contains the overall program flow, including initial @@ -90,91 +90,92 @@ 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) { - if (Keyboard_HID_Interface.State.IdleMSRemaining) - Keyboard_HID_Interface.State.IdleMSRemaining--; + HID_Device_MillisecondElapsed(&Keyboard_HID_Interface); } /** HID class driver callback function for the creation of HID reports to the host. * - * \param HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced - * \param ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID - * \param ReportData Pointer to a buffer where the created report should be stored + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID + * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature + * \param[out] ReportData Pointer to a buffer where the created report should be stored + * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent * - * \return Number of bytes written in the report (or zero if no report is to be sent + * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent */ -uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo, uint8_t* ReportID, void* ReportData) +bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, + const uint8_t ReportType, void* ReportData, uint16_t* ReportSize) { USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData; uint8_t JoyStatus_LCL = Joystick_GetStatus(); uint8_t ButtonStatus_LCL = Buttons_GetStatus(); + 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 - - return sizeof(USB_KeyboardReport_Data_t); + KeyboardReport->KeyCode[UsedKeyCodes++] = 0x09; // F + + *ReportSize = sizeof(USB_KeyboardReport_Data_t); + return false; } /** HID class driver callback function for the processing of HID reports from the host. * - * \param HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced - * \param ReportID Report ID of the received report from the host - * \param ReportData Pointer to a buffer where the created report has been stored - * \param ReportSize Size in bytes of the received HID report + * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param[in] ReportID Report ID of the received report from the host + * \param[in] ReportData Pointer to a buffer where the created report has been stored + * \param[in] ReportSize Size in bytes of the received HID report */ -void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo, uint8_t ReportID, - void* ReportData, uint16_t ReportSize) +void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID, + const void* ReportData, const uint16_t ReportSize) { uint8_t LEDMask = LEDS_NO_LEDS; uint8_t* LEDReport = (uint8_t*)ReportData;