/* * Copyright 2020 Richard Sutherland (rich@brickbots.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 "wpm.h" // WPM Stuff static uint8_t current_wpm = 0; static uint8_t latest_wpm = 0; static uint16_t wpm_timer = 0; // This smoothing is 40 keystrokes static const float wpm_smoothing = 0.0487; void set_current_wpm(uint8_t new_wpm) { current_wpm = new_wpm; } uint8_t get_current_wpm(void) { return current_wpm; } bool wpm_keycode(uint16_t keycode) { return wpm_keycode_kb(keycode); } __attribute__((weak)) bool wpm_keycode_kb(uint16_t keycode) { return wpm_keycode_user(keycode); } __attribute__((weak)) bool wpm_keycode_user(uint16_t keycode) { if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX) || (keycode >= QK_MODS && keycode <= QK_MODS_MAX)) { keycode = keycode & 0xFF; } else if (keycode > 0xFF) { keycode = 0; } if ((keycode >= KC_A && keycode <= KC_0) || (keycode >= KC_TAB && keycode <= KC_SLASH)) { return true; } return false; } void update_wpm(uint16_t keycode) { if (wpm_keycode(keycode)) { if (wpm_timer > 0) { latest_wpm = 60000 / timer_elapsed(wpm_timer) / 5; current_wpm = (latest_wpm - current_wpm) * wpm_smoothing + current_wpm; } wpm_timer = timer_read(); } } void decay_wpm(void) { if (timer_elapsed(wpm_timer) > 1000) { current_wpm = (0 - current_wpm) * wpm_smoothing + current_wpm; wpm_timer = timer_read(); } }