/* Copyright 2011 Jun Wako 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 . */ #include #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; 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 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)] */ if (mouse_report.x && mouse_report.y) { mouse_report.x = times_inv_sqrt2(mouse_report.x); mouse_report.x = mouse_report.x == 0 ? 1 : mouse_report.x; mouse_report.y = times_inv_sqrt2(mouse_report.y); mouse_report.y = mouse_report.y == 0 ? 1 : mouse_report.y; } 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"); } a> 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354