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qmk_firmware/quantum/pointing_device_drivers.c

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/* Copyright 2017 Joshua Broekhuijsen <snipeye+qmk@gmail.com>
* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
* Copyright 2021 Dasky (@daskygit)
*
* 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 "pointing_device.h"
#include "debug.h"
#include "wait.h"
#include "timer.h"
#include <stddef.h>
#define CONSTRAIN_HID(amt) ((amt) < INT8_MIN ? INT8_MIN : ((amt) > INT8_MAX ? INT8_MAX : (amt)))
#define CONSTRAIN_HID_XY(amt) ((amt) < XY_REPORT_MIN ? XY_REPORT_MIN : ((amt) > XY_REPORT_MAX ? XY_REPORT_MAX : (amt)))
// get_report functions should probably be moved to their respective drivers.
#if defined(POINTING_DEVICE_DRIVER_adns5050)
report_mouse_t adns5050_get_report(report_mouse_t mouse_report) {
report_adns5050_t data = adns5050_read_burst();
if (data.dx != 0 || data.dy != 0) {
# ifdef CONSOLE_ENABLE
if (debug_mouse) dprintf("Raw ] X: %d, Y: %d\n", data.dx, data.dy);
# endif
mouse_report.x = (mouse_xy_report_t)data.dx;
mouse_report.y = (mouse_xy_report_t)data.dy;
}
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = adns5050_init,
.get_report = adns5050_get_report,
.set_cpi = adns5050_set_cpi,
.get_cpi = adns5050_get_cpi,
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_adns9800)
report_mouse_t adns9800_get_report_driver(report_mouse_t mouse_report) {
report_adns9800_t sensor_report = adns9800_get_report();
mouse_report.x = CONSTRAIN_HID_XY(sensor_report.x);
mouse_report.y = CONSTRAIN_HID_XY(sensor_report.y);
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = adns9800_init,
.get_report = adns9800_get_report_driver,
.set_cpi = adns9800_set_cpi,
.get_cpi = adns9800_get_cpi
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_analog_joystick)
report_mouse_t analog_joystick_get_report(report_mouse_t mouse_report) {
report_analog_joystick_t data = analog_joystick_read();
# ifdef CONSOLE_ENABLE
if (debug_mouse) dprintf("Raw ] X: %d, Y: %d\n", data.x, data.y);
# endif
mouse_report.x = data.x;
mouse_report.y = data.y;
mouse_report.buttons = pointing_device_handle_buttons(mouse_report.buttons, data.button, POINTING_DEVICE_BUTTON1);
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = analog_joystick_init,
.get_report = analog_joystick_get_report,
.set_cpi = NULL,
.get_cpi = NULL
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_i2c) || defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi)
# ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
static bool cursor_glide_enable = true;
static cursor_glide_context_t glide = {.config = {
.coef = 102, /* Good default friction coef */
.interval = 10, /* 100sps */
.trigger_px = 10, /* Default threshold in case of hover, set to 0 if you'd like */
}};
void cirque_pinnacle_enable_cursor_glide(bool enable) {
cursor_glide_enable = enable;
}
void cirque_pinnacle_configure_cursor_glide(float trigger_px) {
glide.config.trigger_px = trigger_px;
}
# endif
report_mouse_t cirque_pinnacle_get_report(report_mouse_t mouse_report) {
pinnacle_data_t touchData = cirque_pinnacle_read_data();
mouse_xy_report_t report_x = 0, report_y = 0;
static mouse_xy_report_t x = 0, y = 0;
# ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
cursor_glide_t glide_report = {0};
if (cursor_glide_enable) {
glide_report = cursor_glide_check(&glide);
}
# endif
# if !CIRQUE_PINNACLE_POSITION_MODE
# error Cirque Pinnacle with relative mode not implemented yet.
# endif
if (!touchData.valid) {
# ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
if (cursor_glide_enable && glide_report.valid) {
report_x = glide_report.dx;
report_y = glide_report.dy;
goto mouse_report_update;
}
# endif
return mouse_report;
}
# if CONSOLE_ENABLE
if (debug_mouse && touchData.touchDown) {
dprintf("cirque_pinnacle touchData x=%4d y=%4d z=%2d\n", touchData.xValue, touchData.yValue, touchData.zValue);
}
# endif
// Scale coordinates to arbitrary X, Y resolution
cirque_pinnacle_scale_data(&touchData, cirque_pinnacle_get_scale(), cirque_pinnacle_get_scale());
if (!cirque_pinnacle_gestures(&mouse_report, touchData)) {
if (x && y && touchData.xValue && touchData.yValue) {
report_x = (mouse_xy_report_t)(touchData.xValue - x);
report_y = (mouse_xy_report_t)(touchData.yValue - y);
}
x = touchData.xValue;
y = touchData.yValue;
# ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
if (cursor_glide_enable) {
if (touchData.touchDown) {
cursor_glide_update(&glide, report_x, report_y, touchData.zValue);
} else if (!glide_report.valid) {
glide_report = cursor_glide_start(&glide);
if (glide_report.valid) {
report_x = glide_report.dx;
report_y = glide_report.dy;
}
}
}
# endif
}
# ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
mouse_report_update:
# endif
mouse_report.x = report_x;
mouse_report.y = report_y;
return mouse_report;
}
uint16_t cirque_pinnacle_get_cpi(void) {
return CIRQUE_PINNACLE_PX_TO_INCH(cirque_pinnacle_get_scale());
}
void cirque_pinnacle_set_cpi(uint16_t cpi) {
cirque_pinnacle_set_scale(CIRQUE_PINNACLE_INCH_TO_PX(cpi));
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = cirque_pinnacle_init,
.get_report = cirque_pinnacle_get_report,
.set_cpi = cirque_pinnacle_set_cpi,
.get_cpi = cirque_pinnacle_get_cpi
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_pimoroni_trackball)
mouse_xy_report_t pimoroni_trackball_adapt_values(clamp_range_t* offset) {
if (*offset > XY_REPORT_MAX) {
*offset -= XY_REPORT_MAX;
return (mouse_xy_report_t)XY_REPORT_MAX;
} else if (*offset < XY_REPORT_MIN) {
*offset += XY_REPORT_MAX;
return (mouse_xy_report_t)XY_REPORT_MIN;
} else {
mouse_xy_report_t temp_return = *offset;
*offset = 0;
return temp_return;
}
}
report_mouse_t pimoroni_trackball_get_report(report_mouse_t mouse_report) {
static uint16_t debounce = 0;
static uint8_t error_count = 0;
pimoroni_data_t pimoroni_data = {0};
static clamp_range_t x_offset = 0, y_offset = 0;
if (error_count < PIMORONI_TRACKBALL_ERROR_COUNT) {
i2c_status_t status = read_pimoroni_trackball(&pimoroni_data);
if (status == I2C_STATUS_SUCCESS) {
error_count = 0;
if (!(pimoroni_data.click & 128)) {
mouse_report.buttons = pointing_device_handle_buttons(mouse_report.buttons, false, POINTING_DEVICE_BUTTON1);
if (!debounce) {
x_offset += pimoroni_trackball_get_offsets(pimoroni_data.right, pimoroni_data.left, PIMORONI_TRACKBALL_SCALE);
y_offset += pimoroni_trackball_get_offsets(pimoroni_data.down, pimoroni_data.up, PIMORONI_TRACKBALL_SCALE);
mouse_report.x = pimoroni_trackball_adapt_values(&x_offset);
mouse_report.y = pimoroni_trackball_adapt_values(&y_offset);
} else {
debounce--;
}
} else {
mouse_report.buttons = pointing_device_handle_buttons(mouse_report.buttons, true, POINTING_DEVICE_BUTTON1);
debounce = PIMORONI_TRACKBALL_DEBOUNCE_CYCLES;
}
} else {
error_count++;
}
}
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = pimoroni_trackball_device_init,
.get_report = pimoroni_trackball_get_report,
.set_cpi = pimoroni_trackball_set_cpi,
.get_cpi = pimoroni_trackball_get_cpi
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_pmw3360)
static void pmw3360_device_init(void) {
pmw3360_init(0);
}
report_mouse_t pmw3360_get_report(report_mouse_t mouse_report) {
report_pmw3360_t data = pmw3360_read_burst(0);
static uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
if (data.isOnSurface && data.isMotion) {
// Reset timer if stopped moving
if (!data.isMotion) {
if (MotionStart != 0) MotionStart = 0;
return mouse_report;
}
// Set timer if new motion
if ((MotionStart == 0) && data.isMotion) {
# ifdef CONSOLE_ENABLE
if (debug_mouse) dprintf("Starting motion.\n");
# endif
MotionStart = timer_read();
}
mouse_report.x = CONSTRAIN_HID_XY(data.dx);
mouse_report.y = CONSTRAIN_HID_XY(data.dy);
}
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = pmw3360_device_init,
.get_report = pmw3360_get_report,
.set_cpi = pmw3360_set_cpi,
.get_cpi = pmw3360_get_cpi
};
// clang-format on
#elif defined(POINTING_DEVICE_DRIVER_pmw3389)
static void pmw3389_device_init(void) {
pmw3389_init();
}
report_mouse_t pmw3389_get_report(report_mouse_t mouse_report) {
report_pmw3389_t data = pmw3389_read_burst();
static uint16_t MotionStart = 0; // Timer for accel, 0 is resting state
if (data.isOnSurface && data.isMotion) {
// Reset timer if stopped moving
if (!data.isMotion) {
if (MotionStart != 0) MotionStart = 0;
return mouse_report;
}
// Set timer if new motion
if ((MotionStart == 0) && data.isMotion) {
# ifdef CONSOLE_ENABLE
if (debug_mouse) dprintf("Starting motion.\n");
# endif
MotionStart = timer_read();
}
mouse_report.x = CONSTRAIN_HID_XY(data.dx);
mouse_report.y = CONSTRAIN_HID_XY(data.dy);
}
return mouse_report;
}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = pmw3389_device_init,
.get_report = pmw3389_get_report,
.set_cpi = pmw3389_set_cpi,
.get_cpi = pmw3389_get_cpi
};
// clang-format on
#else
__attribute__((weak)) void pointing_device_driver_init(void) {}
__attribute__((weak)) report_mouse_t pointing_device_driver_get_report(report_mouse_t mouse_report) {
return mouse_report;
}
__attribute__((weak)) uint16_t pointing_device_driver_get_cpi(void) {
return 0;
}
__attribute__((weak)) void pointing_device_driver_set_cpi(uint16_t cpi) {}
// clang-format off
const pointing_device_driver_t pointing_device_driver = {
.init = pointing_device_driver_init,
.get_report = pointing_device_driver_get_report,
.get_cpi = pointing_device_driver_get_cpi,
.set_cpi = pointing_device_driver_set_cpi
};
// clang-format on
#endif
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