usb_interface_mouse.h

#ifndef __USB_INTERFACE_MOUSE_H__
#define __USB_INTERFACE_MOUSE_H__

// Includes:

    #include "usb_api.h"
    // #include "usb_descriptors/usb_descriptor_device.h"

// Macros:

    #define USB_MOUSE_INTERFACE_INDEX 1
    #define USB_MOUSE_INTERFACE_COUNT 1

    #define USB_MOUSE_ENDPOINT_INDEX 2
    #define USB_MOUSE_ENDPOINT_COUNT 1

    #define USB_MOUSE_INTERRUPT_IN_PACKET_SIZE (USB_MOUSE_REPORT_LENGTH)
    #define USB_MOUSE_INTERRUPT_IN_INTERVAL 1

    #define USB_MOUSE_REPORT_LENGTH (sizeof(usb_mouse_report_t))
    #define USB_MOUSE_FEAT_REPORT_LENGTH 1

// Typedefs:

    // Note: We support boot protocol mode in this interface, thus the mouse
    // report may not exceed 8 bytes and must conform to the HID mouse boot
    // protocol as specified in the USB HID specification. If a different or
    // longer format is desired in the future, we will need to translate sent
    // reports to the boot protocol format when the host has set boot protocol
    // mode.
    typedef struct {
        uint32_t buttons : 24;
        int16_t x;
        int16_t y;
        int16_t wheelY;
        int16_t wheelX;
    } ATTR_PACKED usb_mouse_report_t;

// Variables:

    extern uint32_t UsbMouseActionCounter;
    extern usb_mouse_report_t* ActiveUsbMouseReport;

// Functions:

#ifndef __ZEPHYR__
    usb_status_t UsbMouseCallback(class_handle_t handle, uint32_t event, void *param);
    usb_status_t UsbMouseAction(void);
    usb_hid_protocol_t UsbMouseGetProtocol(void);
#endif

    void ReportScrolls(void);
    float VerticalScrollMultiplier(void);
    float HorizontalScrollMultiplier(void);
    void UsbMouseResetActiveReport(void);
    void UsbMouseSendActiveReport(void);
    usb_status_t UsbMouseCheckIdleElapsed();
    usb_status_t UsbMouseCheckReportReady(bool* buttonsChanged);

    void UsbMouse_MergeReports(usb_mouse_report_t* sourceReport, usb_mouse_report_t* targetReport);

#endif