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qmk-dactyl-manuform-a/keyboards/ploopyco/mouse/mouse.c

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/* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
* Copyright 2019 Sunjun Kim
* Copyright 2020 Ploopy Corporation
*
* 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 QMK_KEYBOARD_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 OPT_THRES
# define OPT_THRES 150 // (0-1024) Threshold for actication
#endif
#ifndef OPT_SCALE
# define OPT_SCALE 1 // Multiplier for wheel
#endif
#ifndef PLOOPY_DPI_OPTIONS
# define PLOOPY_DPI_OPTIONS { 1200, 1600, 2400 }
# ifndef PLOOPY_DPI_DEFAULT
# define PLOOPY_DPI_DEFAULT 1
# endif
#endif
#ifndef PLOOPY_DPI_DEFAULT
# define PLOOPY_DPI_DEFAULT 0
#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;
bool BurstState = false; // init burst state for Trackball module
uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
uint16_t lastScroll = 0; // Previous confirmed wheel event
uint16_t lastMidClick = 0; // Stops scrollwheel from being read if it was pressed
uint8_t OptLowPin = OPT_ENC1;
bool debug_encoder = false;
__attribute__((weak)) void process_wheel_user(report_mouse_t* mouse_report, int16_t h, int16_t v) {
mouse_report->h = h;
mouse_report->v = v;
}
__attribute__((weak)) void process_wheel(report_mouse_t* mouse_report) {
// TODO: Replace this with interrupt driven code, polling is S L O W
// Lovingly ripped from the Ploopy Source
// If the mouse wheel was just released, do not scroll.
if (timer_elapsed(lastMidClick) < SCROLL_BUTT_DEBOUNCE) {
return;
}
// Limit the number of scrolls per unit time.
if (timer_elapsed(lastScroll) < OPT_DEBOUNCE) {
return;
}
// Don't scroll if the middle button is depressed.
if (is_scroll_clicked) {
#ifndef IGNORE_SCROLL_CLICK
return;
#endif
}
lastScroll = 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);
uint8_t dir = opt_encoder_handler(p1, p2);
if (dir == 0) return;
process_wheel_user(mouse_report, mouse_report->h, (int)(mouse_report->v + (dir * OPT_SCALE)));
}
__attribute__((weak)) void process_mouse_user(report_mouse_t* mouse_report, int16_t x, int16_t y) {
mouse_report->x = x;
mouse_report->y = y;
}
__attribute__((weak)) void process_mouse(report_mouse_t* mouse_report) {
report_pmw_t data = pmw_read_burst();
if (data.isOnSurface && data.isMotion) {
// Reset timer if stopped moving
if (!data.isMotion) {
if (MotionStart != 0) MotionStart = 0;
return;
}
// Set timer if new motion
if ((MotionStart == 0) && data.isMotion) {
if (debug_mouse) dprintf("Starting motion.\n");
MotionStart = timer_read();
}
if (debug_mouse) {
dprintf("Delt] d: %d t: %u\n", abs(data.dx) + abs(data.dy), MotionStart);
}
if (debug_mouse) {
dprintf("Pre ] X: %d, Y: %d\n", data.dx, data.dy);
}
#if defined(PROFILE_LINEAR)
float scale = float(timer_elaspsed(MotionStart)) / 1000.0;
data.dx *= scale;
data.dy *= scale;
#elif defined(PROFILE_INVERSE)
// TODO
#else
// no post processing
#endif
// apply multiplier
// data.dx *= mouse_multiplier;
// data.dy *= mouse_multiplier;
// Wrap to HID size
data.dx = constrain(data.dx, -127, 127);
data.dy = constrain(data.dy, -127, 127);
if (debug_mouse) dprintf("Cons] X: %d, Y: %d\n", data.dx, data.dy);
// dprintf("Elapsed:%u, X: %f Y: %\n", i, pgm_read_byte(firmware_data+i));
process_mouse_user(mouse_report, data.dx, data.dy);
}
}
bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
if (debug_mouse) {
dprintf("KL: kc: %u, col: %u, row: %u, pressed: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed);
}
// Update Timer to prevent accidental scrolls
if ((record->event.key.col == 1) && (record->event.key.row == 0)) {
lastMidClick = 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);
pmw_set_cpi(dpi_array[keyboard_config.dpi_config]);
}
/* 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 UNUSED_PINS
const pin_t unused_pins[] = UNUSED_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(void) {
// initialize ball sensor
pmw_spi_init();
// initialize the scroll wheel's optical encoder
opt_encoder_init();
}
bool has_report_changed (report_mouse_t first, report_mouse_t second) {
return !(
(!first.buttons && first.buttons == second.buttons) &&
(!first.x && first.x == second.x) &&
(!first.y && first.y == second.y) &&
(!first.h && first.h == second.h) &&
(!first.v && first.v == second.v) );
}
void pointing_device_task(void) {
report_mouse_t mouse_report = pointing_device_get_report();
process_wheel(&mouse_report);
process_mouse(&mouse_report);
pointing_device_set_report(mouse_report);
if (has_report_changed(mouse_report, pointing_device_get_report())) {
pointing_device_send();
}
}
void eeconfig_init_kb(void) {
keyboard_config.dpi_config = PLOOPY_DPI_DEFAULT;
eeconfig_update_kb(keyboard_config.raw);
}
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();
}
void keyboard_post_init_kb(void) {
pmw_set_cpi(dpi_array[keyboard_config.dpi_config]);
keyboard_post_init_user();
}
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