152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <util/delay.h>
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#include "usb_keycodes.h"
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#include "host.h"
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#include "timer.h"
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#include "print.h"
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#include "debug.h"
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#include "mousekey.h"
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static report_mouse_t report;
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static uint8_t mousekey_repeat = 0;
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static void mousekey_debug(void);
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/*
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* TODO: fix acceleration algorithm
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* see wikipedia http://en.wikipedia.org/wiki/Mouse_keys
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*/
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#ifndef MOUSEKEY_DELAY_TIME
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# define MOUSEKEY_DELAY_TIME 20
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#endif
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#define MOUSEKEY_MOVE_INIT 5
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#define MOUSEKEY_WHEEL_INIT 1
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#define MOUSEKEY_MOVE_ACCEL 5
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#define MOUSEKEY_WHEEL_ACCEL 1
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static uint16_t last_timer = 0;
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// acceleration parameters
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//uint8_t mousekey_move_unit = 2;
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//uint8_t mousekey_resolution = 5;
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static inline uint8_t move_unit(void)
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{
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uint16_t unit = 5 + mousekey_repeat*4;
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return (unit > 63 ? 63 : unit);
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}
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void mousekey_task(void)
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{
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if (timer_elapsed(last_timer) < MOUSEKEY_DELAY_TIME)
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return;
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if (report.x == 0 && report.y == 0 && report.v == 0 && report.h == 0)
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return;
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if (mousekey_repeat != UINT8_MAX)
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mousekey_repeat++;
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if (report.x > 0) report.x = move_unit();
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if (report.x < 0) report.x = move_unit() * -1;
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if (report.y > 0) report.y = move_unit();
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if (report.y < 0) report.y = move_unit() * -1;
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if (report.x && report.y) {
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report.x *= 0.7;
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report.y *= 0.7;
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}
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if (report.v > 0) report.v = move_unit();
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if (report.v < 0) report.v = move_unit() * -1;
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if (report.h > 0) report.h = move_unit();
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if (report.h < 0) report.h = move_unit() * -1;
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mousekey_send();
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}
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void mousekey_on(uint8_t code)
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{
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if (code == KB_MS_UP) report.y = MOUSEKEY_MOVE_INIT * -1;
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else if (code == KB_MS_DOWN) report.y = MOUSEKEY_MOVE_INIT;
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else if (code == KB_MS_LEFT) report.x = MOUSEKEY_MOVE_INIT * -1;
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else if (code == KB_MS_RIGHT) report.x = MOUSEKEY_MOVE_INIT;
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else if (code == KB_MS_WH_UP) report.v = MOUSEKEY_WHEEL_INIT;
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else if (code == KB_MS_WH_DOWN) report.v = MOUSEKEY_WHEEL_INIT * -1;
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else if (code == KB_MS_WH_LEFT) report.h = MOUSEKEY_WHEEL_INIT * -1;
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else if (code == KB_MS_WH_RIGHT) report.h = MOUSEKEY_WHEEL_INIT;
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else if (code == KB_MS_BTN1) report.buttons |= MOUSE_BTN1;
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else if (code == KB_MS_BTN2) report.buttons |= MOUSE_BTN2;
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else if (code == KB_MS_BTN3) report.buttons |= MOUSE_BTN3;
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else if (code == KB_MS_BTN4) report.buttons |= MOUSE_BTN4;
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else if (code == KB_MS_BTN5) report.buttons |= MOUSE_BTN5;
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}
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void mousekey_off(uint8_t code)
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{
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if (code == KB_MS_UP && report.y < 0) report.y = 0;
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else if (code == KB_MS_DOWN && report.y > 0) report.y = 0;
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else if (code == KB_MS_LEFT && report.x < 0) report.x = 0;
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else if (code == KB_MS_RIGHT && report.x > 0) report.x = 0;
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else if (code == KB_MS_WH_UP && report.v > 0) report.v = 0;
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else if (code == KB_MS_WH_DOWN && report.v < 0) report.v = 0;
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else if (code == KB_MS_WH_LEFT && report.h < 0) report.h = 0;
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else if (code == KB_MS_WH_RIGHT && report.h > 0) report.h = 0;
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else if (code == KB_MS_BTN1) report.buttons &= ~MOUSE_BTN1;
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else if (code == KB_MS_BTN2) report.buttons &= ~MOUSE_BTN2;
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else if (code == KB_MS_BTN3) report.buttons &= ~MOUSE_BTN3;
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else if (code == KB_MS_BTN4) report.buttons &= ~MOUSE_BTN4;
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else if (code == KB_MS_BTN5) report.buttons &= ~MOUSE_BTN5;
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if (report.x == 0 && report.y == 0 && report.v == 0 && report.h == 0)
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mousekey_repeat = 0;
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}
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void mousekey_send(void)
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{
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mousekey_debug();
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host_mouse_send(&report);
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last_timer = timer_read();
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}
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void mousekey_clear(void)
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{
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report = (report_mouse_t){};
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}
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static void mousekey_debug(void)
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{
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if (!debug_mouse) return;
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print("mousekey [btn|x y v h]rep: [");
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phex(report.buttons); print("|");
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phex(report.x); print(" ");
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phex(report.y); print(" ");
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phex(report.v); print(" ");
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phex(report.h); print("]");
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phex(mousekey_repeat);
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print("\n");
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}
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