From f4125707399d11a7d80587659c464b9bcddb8c56 Mon Sep 17 00:00:00 2001 From: tmk Date: Thu, 7 Jun 2012 02:25:15 +0900 Subject: Moved files to common, protocol and doc directory --- common/mousekey.c | 132 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100755 common/mousekey.c (limited to 'common/mousekey.c') diff --git a/common/mousekey.c b/common/mousekey.c new file mode 100755 index 000000000..76bd0fd36 --- /dev/null +++ b/common/mousekey.c @@ -0,0 +1,132 @@ +/* +Copyright 2011 Jun Wako + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . +*/ + +#include +#include +#include "usb_keycodes.h" +#include "host.h" +#include "timer.h" +#include "print.h" +#include "debug.h" +#include "mousekey.h" + + +static report_mouse_t report; +static report_mouse_t report_prev; + +static uint8_t mousekey_repeat = 0; + +static void mousekey_debug(void); + + +/* + * TODO: fix acceleration algorithm + * see wikipedia http://en.wikipedia.org/wiki/Mouse_keys + */ +#ifndef MOUSEKEY_DELAY_TIME +# define MOUSEKEY_DELAY_TIME 255 +#endif + +// acceleration parameters +uint8_t mousekey_move_unit = 2; +uint8_t mousekey_resolution = 5; + + +static inline uint8_t move_unit(void) +{ + uint16_t unit = 5 + mousekey_repeat*2; + return (unit > 63 ? 63 : unit); +} + +void mousekey_decode(uint8_t code) +{ + if (code == KB_MS_UP) report.y = -move_unit(); + else if (code == KB_MS_DOWN) report.y = move_unit(); + else if (code == KB_MS_LEFT) report.x = -move_unit(); + else if (code == KB_MS_RIGHT) report.x = move_unit(); + else if (code == KB_MS_BTN1) report.buttons |= MOUSE_BTN1; + else if (code == KB_MS_BTN2) report.buttons |= MOUSE_BTN2; + else if (code == KB_MS_BTN3) report.buttons |= MOUSE_BTN3; + else if (code == KB_MS_BTN4) report.buttons |= MOUSE_BTN4; + else if (code == KB_MS_BTN5) report.buttons |= MOUSE_BTN5; + else if (code == KB_MS_WH_UP) report.v += move_unit()/4; + else if (code == KB_MS_WH_DOWN) report.v -= move_unit()/4; + else if (code == KB_MS_WH_LEFT) report.h -= move_unit()/4; + else if (code == KB_MS_WH_RIGHT)report.h += move_unit()/4; +} + +bool mousekey_changed(void) +{ + return (report.buttons != report_prev.buttons || + report.x || report.y || report.v || report.h); +} + +void mousekey_send(void) +{ + static uint16_t last_timer = 0; + + if (!mousekey_changed()) { + mousekey_repeat = 0; + mousekey_clear_report(); + return; + } + + // send immediately when buttun state is changed + if (report.buttons == report_prev.buttons) { + if (timer_elapsed(last_timer) < 100) { + mousekey_clear_report(); + return; + } + } + + if (mousekey_repeat != 0xFF) { + mousekey_repeat++; + } + + if (report.x && report.y) { + report.x *= 0.7; + report.y *= 0.7; + } + + mousekey_debug(); + host_mouse_send(&report); + report_prev = report; + last_timer = timer_read(); + mousekey_clear_report(); +} + +void mousekey_clear_report(void) +{ + report.buttons = 0; + report.x = 0; + report.y = 0; + report.v = 0; + report.h = 0; +} + +static void mousekey_debug(void) +{ + if (!debug_mouse) return; + print("mousekey[btn|x y v h]: "); + phex(report.buttons); print("|"); + phex(report.x); print(" "); + phex(report.y); print(" "); + phex(report.v); print(" "); + phex(report.h); + phex(mousekey_repeat); + print("\n"); +} -- cgit v1.2.3-24-g4f1b