USBHIDMouse.cpp

/*
  Mouse.cpp

  Copyright (c) 2015, Arduino LLC
  Original code (pre-library): Copyright (c) 2011, Peter Barrett

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
#include "USBHID.h"
#if SOC_USB_OTG_SUPPORTED

#if CONFIG_TINYUSB_HID_ENABLED

#include "USBHIDMouse.h"

USBHIDMouseBase::USBHIDMouseBase(HIDMouseType_t *type) : hid(), _buttons(0), _type(type)
{
    static bool initialized = false;
    if(!initialized){
        initialized = true;
        hid.addDevice(this, _type->descriptor_size);
    }
};

uint16_t USBHIDMouseBase::_onGetDescriptor(uint8_t* dst)
{
    memcpy(dst, _type->report_descriptor, _type->descriptor_size);
    return _type->descriptor_size;
}


void USBHIDMouseBase::buttons(uint8_t b)
{
    if (b != _buttons){
        _buttons = b;
    }
}


void USBHIDMouseBase::begin()
{
    hid.begin();
}

void USBHIDMouseBase::end()
{
}


void USBHIDMouseBase::press(uint8_t b)
{
    this->buttons(_buttons | b);
}

void USBHIDMouseBase::release(uint8_t b)
{
    this->buttons(_buttons & ~b);
}

bool USBHIDMouseBase::isPressed(uint8_t b)
{
    if ((b & _buttons) > 0) {
        return true;
    }
    return false;
}



static const uint8_t abs_mouse_report_descriptor[] = {
    TUD_HID_REPORT_DESC_ABSMOUSE(HID_REPORT_ID(HID_REPORT_ID_MOUSE))
};

HIDMouseType_t HIDMouseAbs = { HID_MOUSE_ABSOLUTE, abs_mouse_report_descriptor, sizeof(abs_mouse_report_descriptor), sizeof(hid_abs_mouse_report_t) };


void USBHIDAbsoluteMouse::move(int16_t x, int16_t y, int8_t wheel, int8_t pan)
{
    hid_abs_mouse_report_t report;
    report.buttons = _buttons;
    report.x       = _lastx = x;
    report.y       = _lasty = y;
    report.wheel   = wheel;
    report.pan     = pan;
    sendReport(report);
}


void USBHIDAbsoluteMouse::click(uint8_t b)
{
    _buttons = b;
    move(_lastx,_lasty);
    _buttons = 0;
    move(_lastx,_lasty);
}

void USBHIDAbsoluteMouse::buttons(uint8_t b)
{
    if (b != _buttons){
        _buttons = b;
        move(_lastx,_lasty);
    }
}



static const uint8_t rel_mouse_report_descriptor[] = {
    TUD_HID_REPORT_DESC_MOUSE(HID_REPORT_ID(HID_REPORT_ID_MOUSE))
};

HIDMouseType_t HIDMouseRel = { HID_MOUSE_RELATIVE, rel_mouse_report_descriptor, sizeof(rel_mouse_report_descriptor), sizeof(hid_mouse_report_t) };



void USBHIDRelativeMouse::move(int8_t x, int8_t y, int8_t wheel, int8_t pan)
{
    hid_mouse_report_t report = {
        .buttons = _buttons,
        .x       = x,
        .y       = y,
        .wheel   = wheel,
        .pan     = pan
    };
    sendReport(report);
}


void USBHIDRelativeMouse::click(uint8_t b)
{
    _buttons = b;
    move(0,0);
    _buttons = 0;
    move(0,0);
}

void USBHIDRelativeMouse::buttons(uint8_t b)
{
    if (b != _buttons){
        _buttons = b;
        move(0,0);
    }
}


#endif /* CONFIG_TINYUSB_HID_ENABLED */
#endif /* SOC_USB_OTG_SUPPORTED */