402 lines
15 KiB
C
402 lines
15 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 "keycode.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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inline int8_t times_inv_sqrt2(int8_t x) {
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// 181/256 is pretty close to 1/sqrt(2)
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// 0.70703125 0.707106781
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// 1 too small for x=99 and x=198
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// This ends up being a mult and discard lower 8 bits
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return (x * 181) >> 8;
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}
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static report_mouse_t mouse_report = {0};
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static void mousekey_debug(void);
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static uint8_t mousekey_accel = 0;
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static uint8_t mousekey_repeat = 0;
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static uint16_t last_timer = 0;
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#ifndef MK_3_SPEED
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static uint16_t last_timer_c = 0;
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static uint16_t last_timer_w = 0;
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/*
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* Mouse keys acceleration algorithm
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* http://en.wikipedia.org/wiki/Mouse_keys
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*
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* speed = delta * max_speed * (repeat / time_to_max)**((1000+curve)/1000)
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*/
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/* milliseconds between the initial key press and first repeated motion event (0-2550) */
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uint8_t mk_delay = MOUSEKEY_DELAY / 10;
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/* milliseconds between repeated motion events (0-255) */
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uint8_t mk_interval = MOUSEKEY_INTERVAL;
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/* steady speed (in action_delta units) applied each event (0-255) */
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uint8_t mk_max_speed = MOUSEKEY_MAX_SPEED;
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/* number of events (count) accelerating to steady speed (0-255) */
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uint8_t mk_time_to_max = MOUSEKEY_TIME_TO_MAX;
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/* ramp used to reach maximum pointer speed (NOT SUPPORTED) */
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// int8_t mk_curve = 0;
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/* wheel params */
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/* milliseconds between the initial key press and first repeated motion event (0-2550) */
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uint8_t mk_wheel_delay = MOUSEKEY_WHEEL_DELAY / 10;
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/* milliseconds between repeated motion events (0-255) */
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uint8_t mk_wheel_interval = MOUSEKEY_WHEEL_INTERVAL;
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uint8_t mk_wheel_max_speed = MOUSEKEY_WHEEL_MAX_SPEED;
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uint8_t mk_wheel_time_to_max = MOUSEKEY_WHEEL_TIME_TO_MAX;
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static uint8_t move_unit(void) {
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uint16_t unit;
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if (mousekey_accel & (1 << 0)) {
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unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 4;
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} else if (mousekey_accel & (1 << 1)) {
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unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 2;
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} else if (mousekey_accel & (1 << 2)) {
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unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed);
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} else if (mousekey_repeat == 0) {
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unit = MOUSEKEY_MOVE_DELTA;
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} else if (mousekey_repeat >= mk_time_to_max) {
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unit = MOUSEKEY_MOVE_DELTA * mk_max_speed;
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} else {
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unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed * mousekey_repeat) / mk_time_to_max;
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}
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return (unit > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : (unit == 0 ? 1 : unit));
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}
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static uint8_t wheel_unit(void) {
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uint16_t unit;
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if (mousekey_accel & (1 << 0)) {
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unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 4;
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} else if (mousekey_accel & (1 << 1)) {
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unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 2;
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} else if (mousekey_accel & (1 << 2)) {
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unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed);
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} else if (mousekey_repeat == 0) {
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unit = MOUSEKEY_WHEEL_DELTA;
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} else if (mousekey_repeat >= mk_wheel_time_to_max) {
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unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed;
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} else {
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unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_repeat) / mk_wheel_time_to_max;
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}
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return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit));
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}
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void mousekey_task(void) {
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// report cursor and scroll movement independently
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report_mouse_t const tmpmr = mouse_report;
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if ((mouse_report.x || mouse_report.y) && timer_elapsed(last_timer_c) > (mousekey_repeat ? mk_interval : mk_delay * 10)) {
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if (mousekey_repeat != UINT8_MAX) mousekey_repeat++;
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mouse_report.v = 0;
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mouse_report.h = 0;
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if (mouse_report.x > 0) mouse_report.x = move_unit();
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if (mouse_report.x < 0) mouse_report.x = move_unit() * -1;
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if (mouse_report.y > 0) mouse_report.y = move_unit();
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if (mouse_report.y < 0) mouse_report.y = move_unit() * -1;
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/* diagonal move [1/sqrt(2)] */
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if (mouse_report.x && mouse_report.y) {
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mouse_report.x = times_inv_sqrt2(mouse_report.x);
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if (mouse_report.x == 0) {
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mouse_report.x = 1;
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}
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mouse_report.y = times_inv_sqrt2(mouse_report.y);
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if (mouse_report.y == 0) {
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mouse_report.y = 1;
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}
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}
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mousekey_send();
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last_timer_c = last_timer;
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mouse_report = tmpmr;
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}
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if ((mouse_report.v || mouse_report.h) && timer_elapsed(last_timer_w) > (mousekey_repeat ? mk_wheel_interval : mk_wheel_delay * 10)) {
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if (mousekey_repeat != UINT8_MAX) mousekey_repeat++;
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mouse_report.x = 0;
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mouse_report.y = 0;
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if (mouse_report.v > 0) mouse_report.v = wheel_unit();
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if (mouse_report.v < 0) mouse_report.v = wheel_unit() * -1;
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if (mouse_report.h > 0) mouse_report.h = wheel_unit();
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if (mouse_report.h < 0) mouse_report.h = wheel_unit() * -1;
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/* diagonal move [1/sqrt(2)] */
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if (mouse_report.v && mouse_report.h) {
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mouse_report.v = times_inv_sqrt2(mouse_report.v);
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if (mouse_report.v == 0) {
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mouse_report.v = 1;
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}
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mouse_report.h = times_inv_sqrt2(mouse_report.h);
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if (mouse_report.h == 0) {
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mouse_report.h = 1;
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}
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}
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mousekey_send();
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last_timer_w = last_timer;
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mouse_report = tmpmr;
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}
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}
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void mousekey_on(uint8_t code) {
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if (code == KC_MS_UP)
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mouse_report.y = move_unit() * -1;
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else if (code == KC_MS_DOWN)
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mouse_report.y = move_unit();
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else if (code == KC_MS_LEFT)
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mouse_report.x = move_unit() * -1;
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else if (code == KC_MS_RIGHT)
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mouse_report.x = move_unit();
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else if (code == KC_MS_WH_UP)
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mouse_report.v = wheel_unit();
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else if (code == KC_MS_WH_DOWN)
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mouse_report.v = wheel_unit() * -1;
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else if (code == KC_MS_WH_LEFT)
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mouse_report.h = wheel_unit() * -1;
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else if (code == KC_MS_WH_RIGHT)
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mouse_report.h = wheel_unit();
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else if (code == KC_MS_BTN1)
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mouse_report.buttons |= MOUSE_BTN1;
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else if (code == KC_MS_BTN2)
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mouse_report.buttons |= MOUSE_BTN2;
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else if (code == KC_MS_BTN3)
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mouse_report.buttons |= MOUSE_BTN3;
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else if (code == KC_MS_BTN4)
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mouse_report.buttons |= MOUSE_BTN4;
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else if (code == KC_MS_BTN5)
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mouse_report.buttons |= MOUSE_BTN5;
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else if (code == KC_MS_ACCEL0)
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mousekey_accel |= (1 << 0);
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else if (code == KC_MS_ACCEL1)
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mousekey_accel |= (1 << 1);
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else if (code == KC_MS_ACCEL2)
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mousekey_accel |= (1 << 2);
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}
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void mousekey_off(uint8_t code) {
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if (code == KC_MS_UP && mouse_report.y < 0)
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mouse_report.y = 0;
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else if (code == KC_MS_DOWN && mouse_report.y > 0)
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mouse_report.y = 0;
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else if (code == KC_MS_LEFT && mouse_report.x < 0)
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mouse_report.x = 0;
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else if (code == KC_MS_RIGHT && mouse_report.x > 0)
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mouse_report.x = 0;
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else if (code == KC_MS_WH_UP && mouse_report.v > 0)
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mouse_report.v = 0;
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else if (code == KC_MS_WH_DOWN && mouse_report.v < 0)
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mouse_report.v = 0;
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else if (code == KC_MS_WH_LEFT && mouse_report.h < 0)
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mouse_report.h = 0;
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else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0)
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mouse_report.h = 0;
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else if (code == KC_MS_BTN1)
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mouse_report.buttons &= ~MOUSE_BTN1;
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else if (code == KC_MS_BTN2)
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mouse_report.buttons &= ~MOUSE_BTN2;
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else if (code == KC_MS_BTN3)
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mouse_report.buttons &= ~MOUSE_BTN3;
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else if (code == KC_MS_BTN4)
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mouse_report.buttons &= ~MOUSE_BTN4;
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else if (code == KC_MS_BTN5)
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mouse_report.buttons &= ~MOUSE_BTN5;
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else if (code == KC_MS_ACCEL0)
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mousekey_accel &= ~(1 << 0);
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else if (code == KC_MS_ACCEL1)
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mousekey_accel &= ~(1 << 1);
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else if (code == KC_MS_ACCEL2)
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mousekey_accel &= ~(1 << 2);
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if (mouse_report.x == 0 && mouse_report.y == 0 && mouse_report.v == 0 && mouse_report.h == 0) mousekey_repeat = 0;
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}
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#else /* #ifndef MK_3_SPEED */
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enum { mkspd_unmod, mkspd_0, mkspd_1, mkspd_2, mkspd_COUNT };
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# ifndef MK_MOMENTARY_ACCEL
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static uint8_t mk_speed = mkspd_1;
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# else
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static uint8_t mk_speed = mkspd_unmod;
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static uint8_t mkspd_DEFAULT = mkspd_unmod;
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# endif
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static uint16_t last_timer_c = 0;
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static uint16_t last_timer_w = 0;
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uint16_t c_offsets[mkspd_COUNT] = {MK_C_OFFSET_UNMOD, MK_C_OFFSET_0, MK_C_OFFSET_1, MK_C_OFFSET_2};
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uint16_t c_intervals[mkspd_COUNT] = {MK_C_INTERVAL_UNMOD, MK_C_INTERVAL_0, MK_C_INTERVAL_1, MK_C_INTERVAL_2};
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uint16_t w_offsets[mkspd_COUNT] = {MK_W_OFFSET_UNMOD, MK_W_OFFSET_0, MK_W_OFFSET_1, MK_W_OFFSET_2};
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uint16_t w_intervals[mkspd_COUNT] = {MK_W_INTERVAL_UNMOD, MK_W_INTERVAL_0, MK_W_INTERVAL_1, MK_W_INTERVAL_2};
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void mousekey_task(void) {
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// report cursor and scroll movement independently
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report_mouse_t const tmpmr = mouse_report;
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if ((mouse_report.x || mouse_report.y) && timer_elapsed(last_timer_c) > c_intervals[mk_speed]) {
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mouse_report.h = 0;
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mouse_report.v = 0;
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mousekey_send();
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last_timer_c = last_timer;
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mouse_report = tmpmr;
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}
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if ((mouse_report.h || mouse_report.v) && timer_elapsed(last_timer_w) > w_intervals[mk_speed]) {
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mouse_report.x = 0;
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mouse_report.y = 0;
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mousekey_send();
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last_timer_w = last_timer;
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mouse_report = tmpmr;
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}
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}
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void adjust_speed(void) {
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uint16_t const c_offset = c_offsets[mk_speed];
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uint16_t const w_offset = w_offsets[mk_speed];
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if (mouse_report.x > 0) mouse_report.x = c_offset;
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if (mouse_report.x < 0) mouse_report.x = c_offset * -1;
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if (mouse_report.y > 0) mouse_report.y = c_offset;
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if (mouse_report.y < 0) mouse_report.y = c_offset * -1;
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if (mouse_report.h > 0) mouse_report.h = w_offset;
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if (mouse_report.h < 0) mouse_report.h = w_offset * -1;
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if (mouse_report.v > 0) mouse_report.v = w_offset;
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if (mouse_report.v < 0) mouse_report.v = w_offset * -1;
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// adjust for diagonals
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if (mouse_report.x && mouse_report.y) {
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mouse_report.x = times_inv_sqrt2(mouse_report.x);
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if (mouse_report.x == 0) {
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mouse_report.x = 1;
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}
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mouse_report.y = times_inv_sqrt2(mouse_report.y);
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if (mouse_report.y == 0) {
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mouse_report.y = 1;
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}
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}
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if (mouse_report.h && mouse_report.v) {
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mouse_report.h = times_inv_sqrt2(mouse_report.h);
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mouse_report.v = times_inv_sqrt2(mouse_report.v);
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}
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}
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void mousekey_on(uint8_t code) {
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uint16_t const c_offset = c_offsets[mk_speed];
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uint16_t const w_offset = w_offsets[mk_speed];
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uint8_t const old_speed = mk_speed;
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if (code == KC_MS_UP)
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mouse_report.y = c_offset * -1;
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else if (code == KC_MS_DOWN)
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mouse_report.y = c_offset;
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else if (code == KC_MS_LEFT)
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mouse_report.x = c_offset * -1;
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else if (code == KC_MS_RIGHT)
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mouse_report.x = c_offset;
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else if (code == KC_MS_WH_UP)
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mouse_report.v = w_offset;
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else if (code == KC_MS_WH_DOWN)
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mouse_report.v = w_offset * -1;
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else if (code == KC_MS_WH_LEFT)
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mouse_report.h = w_offset * -1;
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else if (code == KC_MS_WH_RIGHT)
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mouse_report.h = w_offset;
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else if (code == KC_MS_BTN1)
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mouse_report.buttons |= MOUSE_BTN1;
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else if (code == KC_MS_BTN2)
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mouse_report.buttons |= MOUSE_BTN2;
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else if (code == KC_MS_BTN3)
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mouse_report.buttons |= MOUSE_BTN3;
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else if (code == KC_MS_BTN4)
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mouse_report.buttons |= MOUSE_BTN4;
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else if (code == KC_MS_BTN5)
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mouse_report.buttons |= MOUSE_BTN5;
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else if (code == KC_MS_ACCEL0)
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mk_speed = mkspd_0;
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else if (code == KC_MS_ACCEL1)
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mk_speed = mkspd_1;
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else if (code == KC_MS_ACCEL2)
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mk_speed = mkspd_2;
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if (mk_speed != old_speed) adjust_speed();
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}
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void mousekey_off(uint8_t code) {
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# ifdef MK_MOMENTARY_ACCEL
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uint8_t const old_speed = mk_speed;
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# endif
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if (code == KC_MS_UP && mouse_report.y < 0)
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mouse_report.y = 0;
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else if (code == KC_MS_DOWN && mouse_report.y > 0)
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mouse_report.y = 0;
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else if (code == KC_MS_LEFT && mouse_report.x < 0)
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mouse_report.x = 0;
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else if (code == KC_MS_RIGHT && mouse_report.x > 0)
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mouse_report.x = 0;
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else if (code == KC_MS_WH_UP && mouse_report.v > 0)
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mouse_report.v = 0;
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else if (code == KC_MS_WH_DOWN && mouse_report.v < 0)
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mouse_report.v = 0;
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else if (code == KC_MS_WH_LEFT && mouse_report.h < 0)
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mouse_report.h = 0;
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else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0)
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mouse_report.h = 0;
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else if (code == KC_MS_BTN1)
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mouse_report.buttons &= ~MOUSE_BTN1;
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else if (code == KC_MS_BTN2)
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mouse_report.buttons &= ~MOUSE_BTN2;
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else if (code == KC_MS_BTN3)
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mouse_report.buttons &= ~MOUSE_BTN3;
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else if (code == KC_MS_BTN4)
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mouse_report.buttons &= ~MOUSE_BTN4;
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else if (code == KC_MS_BTN5)
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mouse_report.buttons &= ~MOUSE_BTN5;
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# ifdef MK_MOMENTARY_ACCEL
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else if (code == KC_MS_ACCEL0)
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mk_speed = mkspd_DEFAULT;
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else if (code == KC_MS_ACCEL1)
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mk_speed = mkspd_DEFAULT;
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else if (code == KC_MS_ACCEL2)
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mk_speed = mkspd_DEFAULT;
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if (mk_speed != old_speed) adjust_speed();
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# endif
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}
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#endif /* #ifndef MK_3_SPEED */
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void mousekey_send(void) {
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mousekey_debug();
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host_mouse_send(&mouse_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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mouse_report = (report_mouse_t){};
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mousekey_repeat = 0;
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mousekey_accel = 0;
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}
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static void mousekey_debug(void) {
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if (!debug_mouse) return;
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print("mousekey [btn|x y v h](rep/acl): [");
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phex(mouse_report.buttons);
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print("|");
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print_decs(mouse_report.x);
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print(" ");
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print_decs(mouse_report.y);
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print(" ");
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print_decs(mouse_report.v);
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print(" ");
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print_decs(mouse_report.h);
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print("](");
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print_dec(mousekey_repeat);
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print("/");
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print_dec(mousekey_accel);
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print(")\n");
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}
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