// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <hid/mouse.h>

const uint8_t scroll_mouse_r_desc[46] = {
    0x05, 0x01,  // Usage Page (Generic Desktop Ctrls)
    0x09, 0x02,  // Usage (Mouse)
    0xA1, 0x01,  // Collection (Application)
    0x09, 0x01,  //   Usage (Pointer)
    0xA1, 0x00,  //   Collection (Physical)
    0x05, 0x09,  //     Usage Page (Button)
    0x19, 0x01,  //     Usage Minimum (0x01)
    0x29, 0x03,  //     Usage Maximum (0x03)
    0x15, 0x00,  //     Logical Minimum (0)
    0x25, 0x01,  //     Logical Maximum (1)
    0x95, 0x08,  //     Report Count (8)
    0x75, 0x01,  //     Report Size (1)
    0x81, 0x02,  //     Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
    0x05, 0x01,  //     Usage Page (Generic Desktop Ctrls)
    0x09, 0x30,  //     Usage (X)
    0x09, 0x31,  //     Usage (Y)
    0x09, 0x38,  //     Usage (Wheel)
    0x15, 0x81,  //     Logical Minimum (-127)
    0x25, 0x7F,  //     Logical Maximum (127)
    0x75, 0x08,  //     Report Size (8)
    0x95, 0x03,  //     Report Count (3)
    0x81, 0x06,  //     Input (Data,Var,Rel,No Wrap,Linear,Preferred State,No Null Position)
    0xC0,        //   End Collection
    0xC0,        // End Collection
};

const uint8_t* get_scroll_mouse_report_desc(size_t* out_size) {
  *out_size = sizeof(scroll_mouse_r_desc);
  return scroll_mouse_r_desc;
}