/* Copyright 2021 Colin Lam (Ploopy Corporation) * Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com> * Copyright 2019 Sunjun Kim * * 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 "trackball_thumb.h" #ifndef OPT_DEBOUNCE # define OPT_DEBOUNCE 5 // (ms) Time between scroll events #endif #ifndef SCROLL_BUTT_DEBOUNCE # define SCROLL_BUTT_DEBOUNCE 100 // (ms) Time between scroll events #endif #ifndef PLOOPY_DPI_OPTIONS # define PLOOPY_DPI_OPTIONS \ { 600, 900, 1200, 1600 } # ifndef PLOOPY_DPI_DEFAULT # define PLOOPY_DPI_DEFAULT 1 # endif #endif #ifndef PLOOPY_DPI_DEFAULT # define PLOOPY_DPI_DEFAULT 0 #endif #ifndef PLOOPY_DRAGSCROLL_DPI # define PLOOPY_DRAGSCROLL_DPI 100 // Fixed-DPI Drag Scroll #endif #ifndef PLOOPY_DRAGSCROLL_MULTIPLIER # define PLOOPY_DRAGSCROLL_MULTIPLIER 0.75 // Variable-DPI Drag Scroll #endif keyboard_config_t keyboard_config; uint16_t dpi_array[] = PLOOPY_DPI_OPTIONS; #define DPI_OPTION_SIZE (sizeof(dpi_array) / sizeof(uint16_t)) // TODO: Implement libinput profiles // https://wayland.freedesktop.org/libinput/doc/latest/pointer-acceleration.html // Compile time accel selection // Valid options are ACC_NONE, ACC_LINEAR, ACC_CUSTOM, ACC_QUADRATIC // Trackball State bool is_scroll_clicked = false; uint16_t last_scroll = 0; // Previous confirmed wheel event uint16_t last_mid_click = 0; // Stops scrollwheel from being read if it was pressed; bool debug_encoder = false; bool is_drag_scroll = false; // require, since core encoder.c (where is is normally defined isn't present __attribute__((weak)) bool encoder_update_user(uint8_t index, bool clockwise) { return true; } bool encoder_update_kb(uint8_t index, bool clockwise) { if (!encoder_update_user(index, clockwise)) { return false; } #ifdef MOUSEKEY_ENABLE tap_code(clockwise ? KC_WH_U : KC_WH_D); #else report_mouse_t mouse_report = pointing_device_get_report(); mouse_report.v = clockwise ? 1 : -1; pointing_device_set_report(mouse_report); pointing_device_send(); #endif return true; } void encoder_init(void) { opt_encoder_init(); } bool encoder_read(void) { // Lovingly ripped from the Ploopy Source // If the mouse wheel was just released, do not scroll. if (timer_elapsed(last_mid_click) < SCROLL_BUTT_DEBOUNCE) { return false; } // Limit the number of scrolls per unit time. if (timer_elapsed(last_scroll) < OPT_DEBOUNCE) { return false; } // Don't scroll if the middle button is depressed. if (is_scroll_clicked) { #ifndef IGNORE_SCROLL_CLICK return false; #endif } last_scroll = timer_read(); uint16_t p1 = adc_read(OPT_ENC1_MUX); uint16_t p2 = adc_read(OPT_ENC2_MUX); if (debug_encoder) dprintf("OPT1: %d, OPT2: %d\n", p1, p2); int dir = opt_encoder_handler(p1, p2); if (dir == 0) return false; ; encoder_update_kb(0, dir == 1); return true; } report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) { if (is_drag_scroll) { mouse_report.h = mouse_report.x; #ifdef PLOOPY_DRAGSCROLL_INVERT // Invert vertical scroll direction mouse_report.v = -mouse_report.y; #else mouse_report.v = mouse_report.y; #endif mouse_report.x = 0; mouse_report.y = 0; } return pointing_device_task_user(mouse_report); } bool process_record_kb(uint16_t keycode, keyrecord_t* record) { // Update Timer to prevent accidental scrolls if ((record->event.key.col == 1) && (record->event.key.row == 0)) { last_mid_click = timer_read(); is_scroll_clicked = record->event.pressed; } if (!process_record_user(keycode, record)) { return false; } if (keycode == DPI_CONFIG && record->event.pressed) { keyboard_config.dpi_config = (keyboard_config.dpi_config + 1) % DPI_OPTION_SIZE; eeconfig_update_kb(keyboard_config.raw); pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]); } if (keycode == DRAG_SCROLL) { #ifndef PLOOPY_DRAGSCROLL_MOMENTARY if (record->event.pressed) #endif { is_drag_scroll ^= 1; } #ifdef PLOOPY_DRAGSCROLL_FIXED pointing_device_set_cpi(is_drag_scroll ? PLOOPY_DRAGSCROLL_DPI : dpi_array[keyboard_config.dpi_config]); #else pointing_device_set_cpi(is_drag_scroll ? (dpi_array[keyboard_config.dpi_config] * PLOOPY_DRAGSCROLL_MULTIPLIER) : dpi_array[keyboard_config.dpi_config]); #endif } /* If Mousekeys is disabled, then use handle the mouse button * keycodes. This makes things simpler, and allows usage of * the keycodes in a consistent manner. But only do this if * Mousekeys is not enable, so it's not handled twice. */ #ifndef MOUSEKEY_ENABLE if (IS_MOUSEKEY_BUTTON(keycode)) { report_mouse_t currentReport = pointing_device_get_report(); if (record->event.pressed) { currentReport.buttons |= 1 << (keycode - KC_MS_BTN1); } else { currentReport.buttons &= ~(1 << (keycode - KC_MS_BTN1)); } pointing_device_set_report(currentReport); pointing_device_send(); } #endif return true; } // Hardware Setup void keyboard_pre_init_kb(void) { // debug_enable = true; // debug_matrix = true; // debug_mouse = true; // debug_encoder = true; setPinInput(OPT_ENC1); setPinInput(OPT_ENC2); /* Ground all output pins connected to ground. This provides additional * pathways to ground. If you're messing with this, know this: driving ANY * of these pins high will cause a short. On the MCU. Ka-blooey. */ #ifdef UNUSABLE_PINS const pin_t unused_pins[] = UNUSABLE_PINS; for (uint8_t i = 0; i < (sizeof(unused_pins) / sizeof(pin_t)); i++) { setPinOutput(unused_pins[i]); writePinLow(unused_pins[i]); } #endif // This is the debug LED. #if defined(DEBUG_LED_PIN) setPinOutput(DEBUG_LED_PIN); writePin(DEBUG_LED_PIN, debug_enable); #endif keyboard_pre_init_user(); } void pointing_device_init_kb(void) { pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]); } void eeconfig_init_kb(void) { keyboard_config.dpi_config = PLOOPY_DPI_DEFAULT; eeconfig_update_kb(keyboard_config.raw); eeconfig_init_user(); } void matrix_init_kb(void) { // is safe to just read DPI setting since matrix init // comes before pointing device init. keyboard_config.raw = eeconfig_read_kb(); if (keyboard_config.dpi_config > DPI_OPTION_SIZE) { eeconfig_init_kb(); } matrix_init_user(); }