1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/* 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 "trackball.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
#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;
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;
bool is_drag_scroll = false;
__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
mouse_report_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 process_wheel(void) {
// 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);
int dir = opt_encoder_handler(p1, p2);
if (dir == 0) return;
encoder_update_kb(0, dir == 1);
}
report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) {
process_wheel();
if (is_drag_scroll) {
#ifdef PLOOPY_DRAGSCROLL_H_INVERT
// Invert horizontal scroll direction
mouse_report.h = -mouse_report.x;
#else
mouse_report.h = mouse_report.x;
#endif
#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) {
if (true) {
xprintf("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);
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();
currentReport.buttons = pointing_device_handle_buttons(currentReport.buttons, record->event.pressed, 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]);
// initialize the scroll wheel's optical encoder
opt_encoder_init();
}
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();
}
void keyboard_post_init_kb(void) {
pointing_device_set_cpi(dpi_array[keyboard_config.dpi_config]);
keyboard_post_init_user();
}
|
