84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// USB HID emulation support (mouse and tablet) ported from QEMU
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// USB keypad emulation based on code by Benjamin D Lunt (fys [at] fysnet [dot] net)
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// USB keyboard emulation is an extension to the keypad based on the specs
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//
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// Copyright (c) 2005 Fabrice Bellard
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// Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
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// Copyright (C) 2009-2021 The Bochs Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/////////////////////////////////////////////////////////////////////////
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#ifndef BX_IODEV_USB_HID_H
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#define BX_IODEV_USB_HID_H
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class usb_hid_device_c : public usb_device_c {
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public:
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usb_hid_device_c(usbdev_type type);
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virtual ~usb_hid_device_c(void);
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virtual void handle_reset();
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virtual int handle_control(int request, int value, int index, int length, Bit8u *data);
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virtual int handle_data(USBPacket *p);
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virtual void register_state_specific(bx_list_c *parent);
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private:
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struct {
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bx_bool has_events;
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Bit8u idle;
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int mouse_delayed_dx;
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int mouse_delayed_dy;
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Bit16s mouse_x;
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Bit16s mouse_y;
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Bit8s mouse_z;
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Bit8u b_state;
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Bit8u mouse_event_count;
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Bit8u mouse_event_buf[BX_KBD_ELEMENTS][6];
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Bit8u kbd_packet[8];
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Bit8u indicators;
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Bit8u kbd_event_count;
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Bit32u kbd_event_buf[BX_KBD_ELEMENTS];
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} s;
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int timer_index;
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static bool gen_scancode_static(void *dev, Bit32u key);
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bool gen_scancode(Bit32u key);
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static Bit8u kbd_get_elements_static(void *dev);
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Bit8u kbd_get_elements(void);
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static void mouse_enabled_changed(void *dev, bool enabled);
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static void mouse_enq_static(void *dev, int delta_x, int delta_y, int delta_z, unsigned button_state, bool absxy);
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void mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state, bool absxy);
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int mouse_poll(Bit8u *buf, int len, bx_bool force);
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int create_mouse_packet(Bit8u *buf, int len);
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int get_mouse_packet(Bit8u *buf, int len);
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int keyboard_poll(Bit8u *buf, int len, bx_bool force);
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static void hid_timer_handler(void *);
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void start_idle_timer(void);
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void hid_idle_timer(void);
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};
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#endif
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