196 lines
		
	
	
	
		
			7.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			196 lines
		
	
	
	
		
			7.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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| Copyright 2011 Jun Wako <wakojun@gmail.com>
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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| 
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| static report_mouse_t mouse_report = {};
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| static uint8_t mousekey_repeat =  0;
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| static uint8_t mousekey_accel = 0;
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| 
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| static void mousekey_debug(void);
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| 
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| 
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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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| 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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| 
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| 
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| static uint16_t last_timer = 0;
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| 
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| 
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| static uint8_t move_unit(void)
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| {
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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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| 
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| static uint8_t wheel_unit(void)
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| {
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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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| 
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| void mousekey_task(void)
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| {
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|     if (timer_elapsed(last_timer) < (mousekey_repeat ? mk_interval : mk_delay*10))
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|         return;
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| 
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|     if (mouse_report.x == 0 && mouse_report.y == 0 && mouse_report.v == 0 && mouse_report.h == 0)
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|         return;
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| 
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|     if (mousekey_repeat != UINT8_MAX)
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|         mousekey_repeat++;
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| 
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| 
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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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| 
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|     /* diagonal move [1/sqrt(2) = 0.7] */
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|     if (mouse_report.x && mouse_report.y) {
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|         mouse_report.x *= 0.7;
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|         mouse_report.y *= 0.7;
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|     }
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| 
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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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| 
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|     mousekey_send();
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| }
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| 
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| void mousekey_on(uint8_t code)
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| {
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|     if      (code == KC_MS_UP)       mouse_report.y = move_unit() * -1;
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|     else if (code == KC_MS_DOWN)     mouse_report.y = move_unit();
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|     else if (code == KC_MS_LEFT)     mouse_report.x = move_unit() * -1;
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|     else if (code == KC_MS_RIGHT)    mouse_report.x = move_unit();
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|     else if (code == KC_MS_WH_UP)    mouse_report.v = wheel_unit();
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|     else if (code == KC_MS_WH_DOWN)  mouse_report.v = wheel_unit() * -1;
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|     else if (code == KC_MS_WH_LEFT)  mouse_report.h = wheel_unit() * -1;
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|     else if (code == KC_MS_WH_RIGHT) mouse_report.h = wheel_unit();
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|     else if (code == KC_MS_BTN1)     mouse_report.buttons |= MOUSE_BTN1;
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|     else if (code == KC_MS_BTN2)     mouse_report.buttons |= MOUSE_BTN2;
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|     else if (code == KC_MS_BTN3)     mouse_report.buttons |= MOUSE_BTN3;
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|     else if (code == KC_MS_BTN4)     mouse_report.buttons |= MOUSE_BTN4;
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|     else if (code == KC_MS_BTN5)     mouse_report.buttons |= MOUSE_BTN5;
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|     else if (code == KC_MS_ACCEL0)   mousekey_accel |= (1<<0);
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|     else if (code == KC_MS_ACCEL1)   mousekey_accel |= (1<<1);
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|     else if (code == KC_MS_ACCEL2)   mousekey_accel |= (1<<2);
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| }
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| 
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| void mousekey_off(uint8_t code)
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| {
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|     if      (code == KC_MS_UP       && mouse_report.y < 0) mouse_report.y = 0;
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|     else if (code == KC_MS_DOWN     && mouse_report.y > 0) mouse_report.y = 0;
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|     else if (code == KC_MS_LEFT     && mouse_report.x < 0) mouse_report.x = 0;
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|     else if (code == KC_MS_RIGHT    && mouse_report.x > 0) mouse_report.x = 0;
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|     else if (code == KC_MS_WH_UP    && mouse_report.v > 0) mouse_report.v = 0;
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|     else if (code == KC_MS_WH_DOWN  && mouse_report.v < 0) mouse_report.v = 0;
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|     else if (code == KC_MS_WH_LEFT  && mouse_report.h < 0) mouse_report.h = 0;
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|     else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0) mouse_report.h = 0;
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|     else if (code == KC_MS_BTN1) mouse_report.buttons &= ~MOUSE_BTN1;
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|     else if (code == KC_MS_BTN2) mouse_report.buttons &= ~MOUSE_BTN2;
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|     else if (code == KC_MS_BTN3) mouse_report.buttons &= ~MOUSE_BTN3;
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|     else if (code == KC_MS_BTN4) mouse_report.buttons &= ~MOUSE_BTN4;
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|     else if (code == KC_MS_BTN5) mouse_report.buttons &= ~MOUSE_BTN5;
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|     else if (code == KC_MS_ACCEL0) mousekey_accel &= ~(1<<0);
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|     else if (code == KC_MS_ACCEL1) mousekey_accel &= ~(1<<1);
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|     else if (code == KC_MS_ACCEL2) mousekey_accel &= ~(1<<2);
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| 
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|     if (mouse_report.x == 0 && mouse_report.y == 0 && mouse_report.v == 0 && mouse_report.h == 0)
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|         mousekey_repeat = 0;
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| }
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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(&mouse_report);
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|     last_timer = timer_read();
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| }
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| 
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| void mousekey_clear(void)
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| {
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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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| 
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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/acl): [");
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|     phex(mouse_report.buttons); print("|");
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|     print_decs(mouse_report.x); print(" ");
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|     print_decs(mouse_report.y); print(" ");
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|     print_decs(mouse_report.v); print(" ");
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|     print_decs(mouse_report.h); print("](");
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|     print_dec(mousekey_repeat); print("/");
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|     print_dec(mousekey_accel); print(")\n");
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| }
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