/* * 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" inline int8_t times_inv_sqrt2(int8_t x) { // 181/256 is pretty close to 1/sqrt(2) // 0.70703125 0.707106781 // 1 too small for x=99 and x=198 // This ends up being a mult and discard lower 8 bits return (x * 181) >> 8; } static report_mouse_t mouse_report = {0}; static void mousekey_debug(void); static uint8_t mousekey_accel = 0; static uint8_t mousekey_repeat = 0; static uint8_t mousekey_wheel_repeat = 0; #ifdef MK_KINETIC_SPEED static uint16_t mouse_timer = 0; #endif #ifndef MK_3_SPEED static uint16_t last_timer_c = 0; static uint16_t last_timer_w = 0; /* * 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 */ /* milliseconds between the initial key press and first repeated motion event (0-2550) */ uint8_t mk_wheel_delay = MOUSEKEY_WHEEL_DELAY / 10; /* milliseconds between repeated motion events (0-255) */ uint8_t mk_wheel_interval = MOUSEKEY_WHEEL_INTERVAL; uint8_t mk_wheel_max_speed = MOUSEKEY_WHEEL_MAX_SPEED; uint8_t mk_wheel_time_to_max = MOUSEKEY_WHEEL_TIME_TO_MAX; # ifndef MK_COMBINED 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_wheel_repeat == 0) { unit = MOUSEKEY_WHEEL_DELTA; } else if (mousekey_wheel_repeat >= mk_wheel_time_to_max) { unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed; } else { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_wheel_repeat) / mk_wheel_time_to_max; } return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit)); } # else /* #ifndef MK_COMBINED */ # ifdef MK_KINETIC_SPEED /* * Kinetic movement acceleration algorithm * * current speed = I + A * T/50 + A * 0.5 * T^2 | maximum B * * T: time since the mouse movement started * E: mouse events per second (set through MOUSEKEY_INTERVAL, UHK sends 250, the * pro micro on my Signum 3.0 sends only 125!) * I: initial speed at time 0 * A: acceleration * B: base mouse travel speed */ const uint16_t mk_accelerated_speed = MOUSEKEY_ACCELERATED_SPEED; const uint16_t mk_base_speed = MOUSEKEY_BASE_SPEED; const uint16_t mk_decelerated_speed = MOUSEKEY_DECELERATED_SPEED; const uint16_t mk_initial_speed = MOUSEKEY_INITIAL_SPEED; static uint8_t move_unit(void) { float speed = mk_initial_speed; if (mousekey_accel & ((1 << 0) | (1 << 2))) { speed = mousekey_accel & (1 << 2) ? mk_accelerated_speed : mk_decelerated_speed; } else if (mousekey_repeat && mouse_timer) { const float time_elapsed = timer_elapsed(mouse_timer) / 50; speed = mk_initial_speed + MOUSEKEY_MOVE_DELTA * time_elapsed + MOUSEKEY_MOVE_DELTA * 0.5 * time_elapsed * time_elapsed; speed = speed > mk_base_speed ? mk_base_speed : speed; } /* convert speed to USB mouse speed 1 to 127 */ speed = (uint8_t)(speed / (1000.0f / mk_interval)); speed = speed < 1 ? 1 : speed; return speed > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : speed; } float mk_wheel_interval = 1000.0f / MOUSEKEY_WHEEL_INITIAL_MOVEMENTS; static uint8_t wheel_unit(void) { float speed = MOUSEKEY_WHEEL_INITIAL_MOVEMENTS; if (mousekey_accel & ((1 << 0) | (1 << 2))) { speed = mousekey_accel & (1 << 2) ? MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS : MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS; } else if (mousekey_repeat && mouse_timer) { if (mk_wheel_interval != MOUSEKEY_WHEEL_BASE_MOVEMENTS) { const float time_elapsed = timer_elapsed(mouse_timer) / 50; speed = MOUSEKEY_WHEEL_INITIAL_MOVEMENTS + 1 * time_elapsed + 1 * 0.5 * time_elapsed * time_elapsed; } speed = speed > MOUSEKEY_WHEEL_BASE_MOVEMENTS ? MOUSEKEY_WHEEL_BASE_MOVEMENTS : speed; } mk_wheel_interval = 1000.0f / speed; return 1; } # else /* #ifndef MK_KINETIC_SPEED */ static uint8_t move_unit(void) { uint16_t unit; if (mousekey_accel & (1 << 0)) { unit = 1; } else if (mousekey_accel & (1 << 1)) { unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 2; } else if (mousekey_accel & (1 << 2)) { unit = MOUSEKEY_MOVE_MAX; } 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 = 1; } else if (mousekey_accel & (1 << 1)) { unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 2; } else if (mousekey_accel & (1 << 2)) { unit = MOUSEKEY_WHEEL_MAX; } 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)); } # endif /* #ifndef MK_KINETIC_SPEED */ # endif /* #ifndef MK_COMBINED */ void mousekey_task(void) { // report cursor and scroll movement independently report_mouse_t const tmpmr = mouse_report; mouse_report.x = 0; mouse_report.y = 0; mouse_report.v = 0; mouse_report.h = 0; if ((tmpmr.x || tmpmr.y) && timer_elapsed(last_timer_c) > (mousekey_repeat ? mk_interval : mk_delay * 10)) { if (mousekey_repeat != UINT8_MAX) mousekey_repeat++; if (tmpmr.x != 0) mouse_report.x = move_unit() * ((tmpmr.x > 0) ? 1 : -1); if (tmpmr.y != 0) mouse_report.y = move_unit() * ((tmpmr.y > 0) ? 1 : -1); /* diagonal move [1/sqrt(2)] */ if (mouse_report.x && mouse_report.y) { mouse_report.x = times_inv_sqrt2(mouse_report.x); if (mouse_report.x == 0) { mouse_report.x = 1; } mouse_report.y = times_inv_sqrt2(mouse_report.y); if (mouse_report.y == 0) { mouse_report.y = 1; } } } if ((tmpmr.v || tmpmr.h) && timer_elapsed(last_timer_w) > (mousekey_wheel_repeat ? mk_wheel_interval : mk_wheel_delay * 10)) { if (mousekey_wheel_repeat != UINT8_MAX) mousekey_wheel_repeat++; if (tmpmr.v != 0) mouse_report.v = wheel_unit() * ((tmpmr.v > 0) ? 1 : -1); if (tmpmr.h != 0) mouse_report.h = wheel_unit() * ((tmpmr.h > 0) ? 1 : -1); /* diagonal move [1/sqrt(2)] */ if (mouse_report.v && mouse_report.h) { mouse_report.v = times_inv_sqrt2(mouse_report.v); if (mouse_report.v == 0) { mouse_report.v = 1; } mouse_report.h = times_inv_sqrt2(mouse_report.h); if (mouse_report.h == 0) { mouse_report.h = 1; } } } if (mouse_report.x || mouse_report.y || mouse_report.v || mouse_report.h) mousekey_send(); mouse_report = tmpmr; } void mousekey_on(uint8_t code) { # ifdef MK_KINETIC_SPEED if (mouse_timer == 0) { mouse_timer = timer_read(); } # endif /* #ifdef MK_KINETIC_SPEED */ 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 (IS_MOUSEKEY_BUTTON(code)) mouse_report.buttons |= 1 << (code - KC_MS_BTN1); 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 (IS_MOUSEKEY_BUTTON(code)) mouse_report.buttons &= ~(1 << (code - KC_MS_BTN1)); 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) { mousekey_repeat = 0; # ifdef MK_KINETIC_SPEED mouse_timer = 0; # endif /* #ifdef MK_KINETIC_SPEED */ } if (mouse_report.v == 0 && mouse_report.h == 0) mousekey_wheel_repeat = 0; } #else /* #ifndef MK_3_SPEED */ enum { mkspd_unmod, mkspd_0, mkspd_1, mkspd_2, mkspd_COUNT }; # ifndef MK_MOMENTARY_ACCEL static uint8_t mk_speed = mkspd_1; # else static uint8_t mk_speed = mkspd_unmod; static uint8_t mkspd_DEFAULT = mkspd_unmod; # endif static uint16_t last_timer_c = 0; static uint16_t last_timer_w = 0; uint16_t c_offsets[mkspd_COUNT] = {MK_C_OFFSET_UNMOD, MK_C_OFFSET_0, MK_C_OFFSET_1, MK_C_OFFSET_2}; uint16_t c_intervals[mkspd_COUNT] = {MK_C_INTERVAL_UNMOD, MK_C_INTERVAL_0, MK_C_INTERVAL_1, MK_C_INTERVAL_2}; uint16_t w_offsets[mkspd_COUNT] = {MK_W_OFFSET_UNMOD, MK_W_OFFSET_0, MK_W_OFFSET_1, MK_W_OFFSET_2}; uint16_t w_intervals[mkspd_COUNT] = {MK_W_INTERVAL_UNMOD, MK_W_INTERVAL_0, MK_W_INTERVAL_1, MK_W_INTERVAL_2}; void mousekey_task(void) { // report cursor and scroll movement independently report_mouse_t const tmpmr = mouse_report; mouse_report.x = 0; mouse_report.y = 0; mouse_report.v = 0; mouse_report.h = 0; if ((tmpmr.x || tmpmr.y) && timer_elapsed(last_timer_c) > c_intervals[mk_speed]) { mouse_report.x = tmpmr.x; mouse_report.y = tmpmr.y; } if ((tmpmr.h || tmpmr.v) && timer_elapsed(last_timer_w) > w_intervals[mk_speed]) { mouse_report.v = tmpmr.v; mouse_report.h = tmpmr.h; } if (mouse_report.x || mouse_report.y || mouse_report.v || mouse_report.h) mousekey_send(); mouse_report = tmpmr; } void adjust_speed(void) { uint16_t const c_offset = c_offsets[mk_speed]; uint16_t const w_offset = w_offsets[mk_speed]; if (mouse_report.x > 0) mouse_report.x = c_offset; if (mouse_report.x < 0) mouse_report.x = c_offset * -1; if (mouse_report.y > 0) mouse_report.y = c_offset; if (mouse_report.y < 0) mouse_report.y = c_offset * -1; if (mouse_report.h > 0) mouse_report.h = w_offset; if (mouse_report.h < 0) mouse_report.h = w_offset * -1; if (mouse_report.v > 0) mouse_report.v = w_offset; if (mouse_report.v < 0) mouse_report.v = w_offset * -1; // adjust for diagonals if (mouse_report.x && mouse_report.y) { mouse_report.x = times_inv_sqrt2(mouse_report.x); if (mouse_report.x == 0) { mouse_report.x = 1; } mouse_report.y = times_inv_sqrt2(mouse_report.y); if (mouse_report.y == 0) { mouse_report.y = 1; } } if (mouse_report.h && mouse_report.v) { mouse_report.h = times_inv_sqrt2(mouse_report.h); mouse_report.v = times_inv_sqrt2(mouse_report.v); } } void mousekey_on(uint8_t code) { uint16_t const c_offset = c_offsets[mk_speed]; uint16_t const w_offset = w_offsets[mk_speed]; uint8_t const old_speed = mk_speed; if (code == KC_MS_UP) mouse_report.y = c_offset * -1; else if (code == KC_MS_DOWN) mouse_report.y = c_offset; else if (code == KC_MS_LEFT) mouse_report.x = c_offset * -1; else if (code == KC_MS_RIGHT) mouse_report.x = c_offset; else if (code == KC_MS_WH_UP) mouse_report.v = w_offset; else if (code == KC_MS_WH_DOWN) mouse_report.v = w_offset * -1; else if (code == KC_MS_WH_LEFT) mouse_report.h = w_offset * -1; else if (code == KC_MS_WH_RIGHT) mouse_report.h = w_offset; else if (IS_MOUSEKEY_BUTTON(code)) mouse_report.buttons |= 1 << (code - KC_MS_BTN1); else if (code == KC_MS_ACCEL0) mk_speed = mkspd_0; else if (code == KC_MS_ACCEL1) mk_speed = mkspd_1; else if (code == KC_MS_ACCEL2) mk_speed = mkspd_2; if (mk_speed != old_speed) adjust_speed(); } void mousekey_off(uint8_t code) { # ifdef MK_MOMENTARY_ACCEL uint8_t const old_speed = mk_speed; # endif 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 (IS_MOUSEKEY_BUTTON(code)) mouse_report.buttons &= ~(1 << (code - KC_MS_BTN1)); # ifdef MK_MOMENTARY_ACCEL else if (code == KC_MS_ACCEL0) mk_speed = mkspd_DEFAULT; else if (code == KC_MS_ACCEL1) mk_speed = mkspd_DEFAULT; else if (code == KC_MS_ACCEL2) mk_speed = mkspd_DEFAULT; if (mk_speed != old_speed) adjust_speed(); # endif } #endif /* #ifndef MK_3_SPEED */ void mousekey_send(void) { mousekey_debug(); uint16_t time = timer_read(); if (mouse_report.x || mouse_report.y) last_timer_c = time; if (mouse_report.v || mouse_report.h) last_timer_w = time; host_mouse_send(&mouse_report); } void mousekey_clear(void) { mouse_report = (report_mouse_t){}; mousekey_repeat = 0; mousekey_wheel_repeat = 0; mousekey_accel = 0; } static void mousekey_debug(void) { if (!debug_mouse) return; print("mousekey [btn|x y v h](rep/acl): ["); print_hex8(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"); }