/* Copyright 2011 Jun Wako <wakojun@gmail.com> 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 <http://www.gnu.org/licenses/>. */ #include <stdint.h> #include "keycode.h" #include "host.h" #include "timer.h" #include "print.h" #include "debug.h" #include "mousekey.h" static report_mouse_t mouse_report = {}; static uint8_t mousekey_repeat = 0; static uint8_t mousekey_accel = 0; static void mousekey_debug(void); /* * Mouse keys acceleration algorithm * http://en.wikipedia.org/wiki/Mouse_keys * * speed = delta * max_speed * (repeat / time_to_max)**((1000+curve)/1000) */ /* milliseconds between the initial key press and first repeated motion event (0-2550) */ uint8_t mk_delay = MOUSEKEY_DELAY/10; /* milliseconds between repeated motion events (0-255) */ uint8_t mk_interval = MOUSEKEY_INTERVAL; /* steady speed (in action_delta units) applied each event (0-255) */ uint8_t mk_max_speed = MOUSEKEY_MAX_SPEED; /* number of events (count) accelerating to steady speed (0-255) */ uint8_t mk_time_to_max = MOUSEKEY_TIME_TO_MAX; /* ramp used to reach maximum pointer speed (NOT SUPPORTED) */ //int8_t mk_curve = 0; /* wheel params */ uint8_t mk_wheel_max_speed = MOUSEKEY_WHEEL_MAX_SPEED; uint8_t mk_wheel_time_to_max = MOUSEKEY_WHEEL_TIME_TO_MAX; static uint16_t last_timer = 0; static uint8_t move_unit(void) { uint16_t unit; if (mousekey_accel & (1<<0)) { unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed)/4; } else if (mousekey_accel & (1<<1)) { unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed)/2; } else if (mousekey_accel & (1<<2)) { unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed); } else if (mousekey_repeat == 0) { unit = MOUSEKEY_MOVE_DELTA; } else if (mousekey_repeat >= mk_time_to_max) { unit = MOUSEKEY_MOVE_DELTA * mk_max_speed; } else { unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed * mousekey_repeat) / mk_time_to_max; } return (unit > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : (unit == 0 ? 1 : unit)); } static uint8_t wheel_unit(void) { uint16_t unit; if (mousekey_accel & (1<<0)) { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed)/4; } else if (mousekey_accel & (1<<1)) { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed)/2; } else if (mousekey_accel & (1<<2)) { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed); } else if (mousekey_repeat == 0) { unit = MOUSEKEY_WHEEL_DELTA; } else if (mousekey_repeat >= mk_wheel_time_to_max) { unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed; } else { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_repeat) / mk_wheel_time_to_max; } return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit)); } void mousekey_task(void) { if (timer_elapsed(last_timer) < (mousekey_repeat ? mk_interval : mk_delay*10)) return; if (mouse_report.x == 0 && mouse_report.y == 0 && mouse_report.v == 0 && mouse_report.h == 0) return; if (mousekey_repeat != UINT8_MAX) mousekey_repeat++; if (mouse_report.x > 0) mouse_report.x = move_unit(); if (mouse_report.x < 0) mouse_report.x = move_unit() * -1; if (mouse_report.y > 0) mouse_report.y = move_unit(); if (mouse_report.y < 0) mouse_report.y = move_unit() * -1; /* diagonal move [1/sqrt(2) = 0.7] */ if (mouse_report.x && mouse_report.y) { mouse_report.x *= 0.7; mouse_report.y *= 0.7; } if (mouse_report.v > 0) mouse_report.v = wheel_unit(); if (mouse_report.v < 0) mouse_report.v = wheel_unit() * -1; if (mouse_report.h > 0) mouse_report.h = wheel_unit(); if (mouse_report.h < 0) mouse_report.h = wheel_unit() * -1; mousekey_send(); } void mousekey_on(uint8_t code) { if (code == KC_MS_UP) mouse_report.y = move_unit() * -1; else if (code == KC_MS_DOWN) mouse_report.y = move_unit(); else if (code == KC_MS_LEFT) mouse_report.x = move_unit() * -1; else if (code == KC_MS_RIGHT) mouse_report.x = move_unit(); else if (code == KC_MS_WH_UP) mouse_report.v = wheel_unit(); else if (code == KC_MS_WH_DOWN) mouse_report.v = wheel_unit() * -1; else if (code == KC_MS_WH_LEFT) mouse_report.h = wheel_unit() * -1; else if (code == KC_MS_WH_RIGHT) mouse_report.h = wheel_unit(); else if (code == KC_MS_BTN1) mouse_report.buttons |= MOUSE_BTN1; else if (code == KC_MS_BTN2) mouse_report.buttons |= MOUSE_BTN2; else if (code == KC_MS_BTN3) mouse_report.buttons |= MOUSE_BTN3; else if (code == KC_MS_BTN4) mouse_report.buttons |= MOUSE_BTN4; else if (code == KC_MS_BTN5) mouse_report.buttons |= MOUSE_BTN5; else if (code == KC_MS_ACCEL0) mousekey_accel |= (1<<0); else if (code == KC_MS_ACCEL1) mousekey_accel |= (1<<1); else if (code == KC_MS_ACCEL2) mousekey_accel |= (1<<2); } void mousekey_off(uint8_t code) { if (code == KC_MS_UP && mouse_report.y < 0) mouse_report.y = 0; else if (code == KC_MS_DOWN && mouse_report.y > 0) mouse_report.y = 0; else if (code == KC_MS_LEFT && mouse_report.x < 0) mouse_report.x = 0; else if (code == KC_MS_RIGHT && mouse_report.x > 0) mouse_report.x = 0; else if (code == KC_MS_WH_UP && mouse_report.v > 0) mouse_report.v = 0; else if (code == KC_MS_WH_DOWN && mouse_report.v < 0) mouse_report.v = 0; else if (code == KC_MS_WH_LEFT && mouse_report.h < 0) mouse_report.h = 0; else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0) mouse_report.h = 0; else if (code == KC_MS_BTN1) mouse_report.buttons &= ~MOUSE_BTN1; else if (code == KC_MS_BTN2) mouse_report.buttons &= ~MOUSE_BTN2; else if (code == KC_MS_BTN3) mouse_report.buttons &= ~MOUSE_BTN3; else if (code == KC_MS_BTN4) mouse_report.buttons &= ~MOUSE_BTN4; else if (code == KC_MS_BTN5) mouse_report.buttons &= ~MOUSE_BTN5; else if (code == KC_MS_ACCEL0) mousekey_accel &= ~(1<<0); else if (code == KC_MS_ACCEL1) mousekey_accel &= ~(1<<1); else if (code == KC_MS_ACCEL2) mousekey_accel &= ~(1<<2); if (mouse_report.x == 0 && mouse_report.y == 0 && mouse_report.v == 0 && mouse_report.h == 0) mousekey_repeat = 0; } void mousekey_send(void) { mousekey_debug(); host_mouse_send(&mouse_report); last_timer = timer_read(); } void mousekey_clear(void) { mouse_report = (report_mouse_t){}; mousekey_repeat = 0; mousekey_accel = 0; } static void mousekey_debug(void) { if (!debug_mouse) return; print("mousekey [btn|x y v h](rep/acl): ["); phex(mouse_report.buttons); print("|"); print_decs(mouse_report.x); print(" "); print_decs(mouse_report.y); print(" "); print_decs(mouse_report.v); print(" "); print_decs(mouse_report.h); print("]("); print_dec(mousekey_repeat); print("/"); print_dec(mousekey_accel); print(")\n"); }