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/* Copyright 2022 Aidan Gauland |
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* Copyright 2021 Colin Lam (Ploopy Corporation) |
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* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com> |
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* Copyright 2019 Sunjun Kim |
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* Copyright 2019 Hiroyuki Okada |
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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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#include QMK_KEYBOARD_H |
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#include "print.h" |
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#define NUM_LOCK_BITMASK 0b01 |
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#define CAPS_LOCK_BITMASK 0b10 |
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// World record for fastest index finger tapping is 1092 taps per minute, which |
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// is 55ms for a single tap. |
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// https://recordsetter.com/world-record/index-finger-taps-minute/46066 |
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#define LED_CMD_TIMEOUT 25 |
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#define DELTA_X_THRESHOLD 60 |
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#define DELTA_Y_THRESHOLD 15 |
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typedef enum { |
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// You could theoretically define 0b00 and send it by having a macro send |
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// the second tap after LED_CMD_TIMEOUT has elapsed. |
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// CMD_EXTRA = 0b00, |
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TG_SCROLL = 0b01, |
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CYC_DPI = 0b10, |
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CMD_RESET = 0b11 // CMD_ prefix to avoid clash with QMK macro |
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} led_cmd_t; |
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// State |
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static bool scroll_enabled = false; |
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static bool num_lock_state = false; |
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static bool caps_lock_state = false; |
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static bool in_cmd_window = false; |
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static int8_t delta_x = 0; |
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static int8_t delta_y = 0; |
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typedef struct { |
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led_cmd_t led_cmd; |
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uint8_t num_lock_count; |
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uint8_t caps_lock_count; |
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} cmd_window_state_t; |
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// Dummy |
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {{{KC_NO}}}; |
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report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) { |
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if (scroll_enabled) { |
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delta_x += mouse_report.x; |
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delta_y += mouse_report.y; |
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if (delta_x > DELTA_X_THRESHOLD) { |
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mouse_report.h = 1; |
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delta_x = 0; |
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} else if (delta_x < -DELTA_X_THRESHOLD) { |
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mouse_report.h = -1; |
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delta_x = 0; |
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} |
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if (delta_y > DELTA_Y_THRESHOLD) { |
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mouse_report.v = -1; |
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delta_y = 0; |
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} else if (delta_y < -DELTA_Y_THRESHOLD) { |
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mouse_report.v = 1; |
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delta_y = 0; |
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} |
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mouse_report.x = 0; |
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mouse_report.y = 0; |
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} |
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return mouse_report; |
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} |
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void keyboard_post_init_user(void) { |
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num_lock_state = host_keyboard_led_state().num_lock; |
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caps_lock_state = host_keyboard_led_state().caps_lock; |
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} |
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uint32_t command_timeout(uint32_t trigger_time, void *cb_arg) { |
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cmd_window_state_t *cmd_window_state = (cmd_window_state_t *)cb_arg; |
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# ifdef CONSOLE_ENABLE |
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uprintf("Received command 0b%02b (", cmd_window_state->led_cmd); |
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# endif |
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switch (cmd_window_state->led_cmd) { |
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case TG_SCROLL: |
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# ifdef CONSOLE_ENABLE |
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uprint("TG_SCROLL)\n"); |
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# endif |
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scroll_enabled = !scroll_enabled; |
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break; |
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case CYC_DPI: |
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# ifdef CONSOLE_ENABLE |
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uprint("CYC_DPI)\n"); |
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# endif |
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cycle_dpi(); |
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break; |
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case CMD_RESET: |
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# ifdef CONSOLE_ENABLE |
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uprint("RESET)\n"); |
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# endif |
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reset_keyboard(); |
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break; |
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default: |
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# ifdef CONSOLE_ENABLE |
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uprint("unknown)\n"); |
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# endif |
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// Ignore unrecognised commands. |
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break; |
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} |
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cmd_window_state->led_cmd = 0; |
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cmd_window_state->num_lock_count = 0; |
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cmd_window_state->caps_lock_count = 0; |
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in_cmd_window = false; |
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return 0; // Don't repeat |
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} |
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bool led_update_user(led_t led_state) { |
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static cmd_window_state_t cmd_window_state = { |
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.led_cmd = 0b00, |
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.num_lock_count = 0, |
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.caps_lock_count = 0 |
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}; |
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// Start timer to end command window if we are not already in the middle of |
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// one. |
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if (!in_cmd_window) { |
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in_cmd_window = true; |
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defer_exec(LED_CMD_TIMEOUT, command_timeout, &cmd_window_state); |
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} |
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// Set num lock and caps lock bits when each is toggled on and off within |
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// the window. |
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if (led_state.num_lock != num_lock_state) { |
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cmd_window_state.num_lock_count++; |
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if (cmd_window_state.num_lock_count == 2) { |
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cmd_window_state.led_cmd |= NUM_LOCK_BITMASK; |
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cmd_window_state.num_lock_count = 0; |
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} |
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} |
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if (led_state.caps_lock != caps_lock_state) { |
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cmd_window_state.caps_lock_count++; |
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if (cmd_window_state.caps_lock_count == 2) { |
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cmd_window_state.led_cmd |= CAPS_LOCK_BITMASK; |
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cmd_window_state.caps_lock_count = 0; |
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} |
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} |
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// Keep our copy of the LED states in sync with the host. |
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num_lock_state = led_state.num_lock; |
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caps_lock_state = led_state.caps_lock; |
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return true; |
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} |