226 lines
6.9 KiB
C
226 lines
6.9 KiB
C
/* 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 2020 Ploopy Corporation
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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 "mouse.h"
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#ifndef OPT_DEBOUNCE
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# define OPT_DEBOUNCE 5 // (ms) Time between scroll events
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#endif
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#ifndef SCROLL_BUTT_DEBOUNCE
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# define SCROLL_BUTT_DEBOUNCE 100 // (ms) Time between scroll events
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#endif
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#ifndef OPT_THRES
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# define OPT_THRES 150 // (0-1024) Threshold for actication
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#endif
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#ifndef OPT_SCALE
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# define OPT_SCALE 1 // Multiplier for wheel
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#endif
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#ifndef PLOOPY_DPI_OPTIONS
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# define PLOOPY_DPI_OPTIONS \
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{ 1200, 1600, 2400 }
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# ifndef PLOOPY_DPI_DEFAULT
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# define PLOOPY_DPI_DEFAULT 1
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# endif
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#endif
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#ifndef PLOOPY_DPI_DEFAULT
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# define PLOOPY_DPI_DEFAULT 0
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#endif
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#ifndef PLOOPY_DRAGSCROLL_DPI
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# define PLOOPY_DRAGSCROLL_DPI 100 // Fixed-DPI Drag Scroll
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#endif
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#ifndef PLOOPY_DRAGSCROLL_MULTIPLIER
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# define PLOOPY_DRAGSCROLL_MULTIPLIER 0.75 // Variable-DPI Drag Scroll
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#endif
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keyboard_config_t keyboard_config;
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uint16_t dpi_array[] = PLOOPY_DPI_OPTIONS;
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#define DPI_OPTION_SIZE ARRAY_SIZE(dpi_array)
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// TODO: Implement libinput profiles
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// https://wayland.freedesktop.org/libinput/doc/latest/pointer-acceleration.html
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// Compile time accel selection
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// Valid options are ACC_NONE, ACC_LINEAR, ACC_CUSTOM, ACC_QUADRATIC
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// Trackball State
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bool is_scroll_clicked = false;
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bool BurstState = false; // init burst state for Trackball module
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uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
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uint16_t lastScroll = 0; // Previous confirmed wheel event
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uint16_t lastMidClick = 0; // Stops scrollwheel from being read if it was pressed
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uint8_t OptLowPin = OPT_ENC1;
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bool debug_encoder = false;
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bool is_drag_scroll = false;
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__attribute__((weak)) bool encoder_update_user(uint8_t index, bool clockwise) { return true; }
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bool encoder_update_kb(uint8_t index, bool clockwise) {
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if (!encoder_update_user(index, clockwise)) {
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return false;
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}
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#ifdef MOUSEKEY_ENABLE
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tap_code(clockwise ? KC_WH_U : KC_WH_D);
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#else
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report_mouse_t mouse_report = pointing_device_get_report();
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mouse_report.v = clockwise ? 1 : -1;
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pointing_device_set_report(mouse_report);
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pointing_device_send();
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#endif
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return true;
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}
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void process_wheel(void) {
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// Lovingly ripped from the Ploopy Source
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// If the mouse wheel was just released, do not scroll.
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if (timer_elapsed(lastMidClick) < SCROLL_BUTT_DEBOUNCE) {
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return;
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}
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// Limit the number of scrolls per unit time.
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if (timer_elapsed(lastScroll) < OPT_DEBOUNCE) {
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return;
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}
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// Don't scroll if the middle button is depressed.
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if (is_scroll_clicked) {
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#ifndef IGNORE_SCROLL_CLICK
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return;
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#endif
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}
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lastScroll = timer_read();
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uint16_t p1 = adc_read(OPT_ENC1_MUX);
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uint16_t p2 = adc_read(OPT_ENC2_MUX);
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if (debug_encoder) dprintf("OPT1: %d, OPT2: %d\n", p1, p2);
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int dir = opt_encoder_handler(p1, p2);
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if (dir == 0) return;
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encoder_update_kb(0, dir > 0);
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}
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report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) {
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process_wheel();
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if (is_drag_scroll) {
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mouse_report.h = mouse_report.x;
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#ifdef PLOOPY_DRAGSCROLL_INVERT
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// Invert vertical scroll direction
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mouse_report.v = -mouse_report.y;
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#else
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mouse_report.v = mouse_report.y;
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#endif
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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 pointing_device_task_user(mouse_report);
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}
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bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
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if (debug_mouse) {
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dprintf("KL: kc: %u, col: %u, row: %u, pressed: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed);
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}
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// Update Timer to prevent accidental scrolls
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if ((record->event.key.col == 1) && (record->event.key.row == 0)) {
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lastMidClick = timer_read();
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is_scroll_clicked = record->event.pressed;
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}
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if (!process_record_user(keycode, record)) {
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return false;
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}
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if (keycode == DPI_CONFIG && record->event.pressed) {
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keyboard_config.dpi_config = (keyboard_config.dpi_config + 1) % DPI_OPTION_SIZE;
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eeconfig_update_kb(keyboard_config.raw);
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pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]);
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}
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if (keycode == DRAG_SCROLL) {
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#ifndef PLOOPY_DRAGSCROLL_MOMENTARY
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if (record->event.pressed)
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#endif
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{
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is_drag_scroll ^= 1;
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}
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#ifdef PLOOPY_DRAGSCROLL_FIXED
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pointing_device_set_cpi(is_drag_scroll ? PLOOPY_DRAGSCROLL_DPI : dpi_array[keyboard_config.dpi_config]);
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#else
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pointing_device_set_cpi(is_drag_scroll ? (dpi_array[keyboard_config.dpi_config] * PLOOPY_DRAGSCROLL_MULTIPLIER) : dpi_array[keyboard_config.dpi_config]);
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#endif
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}
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return true;
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}
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// Hardware Setup
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void keyboard_pre_init_kb(void) {
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// debug_enable = true;
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// debug_matrix = true;
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// debug_mouse = true;
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// debug_encoder = true;
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setPinInput(OPT_ENC1);
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setPinInput(OPT_ENC2);
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/* Ground all output pins connected to ground. This provides additional
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* pathways to ground. If you're messing with this, know this: driving ANY
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* of these pins high will cause a short. On the MCU. Ka-blooey.
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*/
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#ifdef UNUSABLE_PINS
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const pin_t unused_pins[] = UNUSABLE_PINS;
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for (uint8_t i = 0; i < ARRAY_SIZE(unused_pins); i++) {
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setPinOutput(unused_pins[i]);
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writePinLow(unused_pins[i]);
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}
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#endif
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// This is the debug LED.
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#if defined(DEBUG_LED_PIN)
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setPinOutput(DEBUG_LED_PIN);
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writePin(DEBUG_LED_PIN, debug_enable);
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#endif
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keyboard_pre_init_user();
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}
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void pointing_device_init_kb(void) {
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pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]);
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// initialize the scroll wheel's optical encoder
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opt_encoder_init();
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}
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void eeconfig_init_kb(void) {
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keyboard_config.dpi_config = PLOOPY_DPI_DEFAULT;
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eeconfig_update_kb(keyboard_config.raw);
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eeconfig_init_user();
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}
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void matrix_init_kb(void) {
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// is safe to just read DPI setting since matrix init
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// comes before pointing device init.
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keyboard_config.raw = eeconfig_read_kb();
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if (keyboard_config.dpi_config > DPI_OPTION_SIZE) {
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eeconfig_init_kb();
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}
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matrix_init_user();
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}
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