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/* Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
*
* 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 "tractyl_manuform.h"
#include "transactions.h"
#include <string.h>
#include "drivers/sensors/pmw3360.h"
#ifndef TRACKBALL_DPI_OPTIONS
# define TRACKBALL_DPI_OPTIONS \
{ 1200, 1600, 2400 }
# ifndef TRACKBALL_DPI_DEFAULT
# define TRACKBALL_DPI_DEFAULT 1
# endif
#endif
#ifndef TRACKBALL_DPI_DEFAULT
# define TRACKBALL_DPI_DEFAULT 0
#endif
extern kb_runtime_config_t kb_state;
extern kb_slave_data_t kb_slave;
keyboard_config_t keyboard_config;
uint16_t dpi_array[] = TRACKBALL_DPI_OPTIONS;
#define DPI_OPTION_SIZE (sizeof(dpi_array) / sizeof(uint16_t))
bool BurstState = false; // init burst state for Trackball module
uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
__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
// 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));
mouse_report->x = -data.dx;
mouse_report->y = data.dy;
}
}
bool process_record_kb(uint16_t keycode, keyrecord_t* record) {
if (!process_record_user(keycode, record)) { return false; }
#ifdef POINTING_DEVICE_ENABLE
if (keycode == DPI_CONFIG && record->event.pressed) {
if ((get_mods() | get_oneshot_mods()) & MOD_MASK_SHIFT) {
keyboard_config.dpi_config = (keyboard_config.dpi_config - 1) % DPI_OPTION_SIZE;
} else {
keyboard_config.dpi_config = (keyboard_config.dpi_config + 1) % DPI_OPTION_SIZE;
}
eeconfig_update_kb(keyboard_config.raw);
trackball_set_cpi(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;
/* 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.
*/
// 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();
}
#ifdef POINTING_DEVICE_ENABLE
void pointing_device_init(void) {
if (!is_keyboard_left()) {
// initialize ball sensor
pmw_spi_init();
}
trackball_set_cpi(dpi_array[keyboard_config.dpi_config]);
}
static bool has_report_changed(report_mouse_t new, report_mouse_t old) { return (new.buttons != old.buttons) || (new.x&& new.x != old.x) || (new.y&& new.y != old.y) || (new.h&& new.h != old.h) || (new.v&& new.v != old.v); }
void pointing_device_task(void) {
report_mouse_t mouse_report = pointing_device_get_report();
if (!is_keyboard_left()) { process_mouse(&mouse_report); }
pointing_device_set_report(mouse_report);
pointing_device_send();
}
#endif
void eeconfig_init_kb(void) {
keyboard_config.dpi_config = TRACKBALL_DPI_DEFAULT;
#ifdef POINTING_DEVICE_ENABLE
trackball_set_cpi(dpi_array[keyboard_config.dpi_config]);
#endif
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();
}
#ifdef POINTING_DEVICE_ENABLE
void pointing_device_send(void) {
static report_mouse_t old_report = {};
report_mouse_t mouseReport = pointing_device_get_report();
if (is_keyboard_master()) {
int8_t x = mouseReport.x, y = mouseReport.y;
mouseReport.x = 0;
mouseReport.y = 0;
process_mouse_user(&mouseReport, x, y);
if (has_report_changed(mouseReport, old_report)) { host_mouse_send(&mouseReport); }
} else {
master_mouse_send(mouseReport.x, mouseReport.y);
}
mouseReport.x = 0;
mouseReport.y = 0;
mouseReport.v = 0;
mouseReport.h = 0;
old_report = mouseReport;
pointing_device_set_report(mouseReport);
}
#endif
#ifdef POINTING_DEVICE_ENABLE
void master_mouse_send(int8_t x, int8_t y) {
#ifdef SPLIT_TRANSACTION_IDS_KB
kb_slave.mouse_x += x;
kb_slave.mouse_y += y;
#endif
}
void trackball_set_cpi(uint16_t cpi) {
if (!is_keyboard_left()) {
pmw_set_cpi(cpi);
} else {
#ifdef SPLIT_TRANSACTION_IDS_KB
kb_state.device_cpi = cpi;
#endif
}
}
#endif
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