X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/9798440ca4f694e7cd8312a51b82e59589f1ebeb..c5eeedd522c12c8b4996594f3c4167393d0af7ff:/Demos/Device/ClassDriver/Mouse/Mouse.c?ds=sidebyside diff --git a/Demos/Device/ClassDriver/Mouse/Mouse.c b/Demos/Device/ClassDriver/Mouse/Mouse.c index 4eeb732ff..08e87e672 100644 --- a/Demos/Device/ClassDriver/Mouse/Mouse.c +++ b/Demos/Device/ClassDriver/Mouse/Mouse.c @@ -36,18 +36,25 @@ #include "Mouse.h" +/** Buffer to hold the previously generated Mouse HID report, for comparison purposes inside the HID class driver. */ +uint8_t PrevMouseHIDReportBuffer[sizeof(USB_MouseReport_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. */ -USB_ClassInfo_HID_t Mouse_HID_Interface = +USB_ClassInfo_HID_Device_t Mouse_HID_Interface = { - .InterfaceNumber = 0, + .Config = + { + .InterfaceNumber = 0, - .ReportINEndpointNumber = MOUSE_EPNUM, - .ReportINEndpointSize = MOUSE_EPSIZE, + .ReportINEndpointNumber = MOUSE_EPNUM, + .ReportINEndpointSize = MOUSE_EPSIZE, - .ReportINBufferSize = sizeof(USB_MouseReport_Data_t), + .PrevReportINBuffer = PrevMouseHIDReportBuffer, + .PrevReportINBufferSize = sizeof(PrevMouseHIDReportBuffer), + }, }; /** Main program entry point. This routine contains the overall program flow, including initial @@ -119,18 +126,20 @@ void EVENT_USB_UnhandledControlPacket(void) /** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */ ISR(TIMER0_COMPA_vect, ISR_BLOCK) { - if (Mouse_HID_Interface.IdleMSRemaining) - Mouse_HID_Interface.IdleMSRemaining--; + HID_Device_MillisecondElapsed(&Mouse_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 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[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_t* HIDInterfaceInfo, uint8_t* ReportID, void* ReportData) +bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, + void* ReportData, uint16_t* ReportSize) { USB_MouseReport_Data_t* MouseReport = (USB_MouseReport_Data_t*)ReportData; @@ -153,17 +162,19 @@ uint16_t CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_t* HIDInterfaceIn if (ButtonStatus_LCL & BUTTONS_BUTTON1) MouseReport->Button |= (1 << 1); - return sizeof(USB_MouseReport_Data_t); + *ReportSize = sizeof(USB_MouseReport_Data_t); + return true; } /** 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 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_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) { // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports }