diff options
Diffstat (limited to 'quantum/pointing_device')
| -rw-r--r-- | quantum/pointing_device/pointing_device.c | 470 | ||||
| -rw-r--r-- | quantum/pointing_device/pointing_device.h | 117 | ||||
| -rw-r--r-- | quantum/pointing_device/pointing_device_drivers.c | 345 | ||||
| -rw-r--r-- | quantum/pointing_device/pointing_device_gestures.c | 133 | ||||
| -rw-r--r-- | quantum/pointing_device/pointing_device_gestures.h | 58 |
5 files changed, 1123 insertions, 0 deletions
diff --git a/quantum/pointing_device/pointing_device.c b/quantum/pointing_device/pointing_device.c new file mode 100644 index 0000000000..3aa4941687 --- /dev/null +++ b/quantum/pointing_device/pointing_device.c @@ -0,0 +1,470 @@ +/* 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 <string.h> +#include "timer.h" +#ifdef MOUSEKEY_ENABLE +# include "mousekey.h" +#endif +#if (defined(POINTING_DEVICE_ROTATION_90) + defined(POINTING_DEVICE_ROTATION_180) + defined(POINTING_DEVICE_ROTATION_270)) > 1 +# error More than one rotation selected. This is not supported. +#endif + +#if defined(POINTING_DEVICE_LEFT) || defined(POINTING_DEVICE_RIGHT) || defined(POINTING_DEVICE_COMBINED) +# ifndef SPLIT_POINTING_ENABLE +# error "Using POINTING_DEVICE_LEFT or POINTING_DEVICE_RIGHT or POINTING_DEVICE_COMBINED, then SPLIT_POINTING_ENABLE is required but has not been defined" +# endif +#endif + +#if defined(SPLIT_POINTING_ENABLE) +# include "transactions.h" +# include "keyboard.h" + +report_mouse_t shared_mouse_report = {}; +uint16_t shared_cpi = 0; + +/** + * @brief Sets the shared mouse report used be pointing device task + * + * NOTE : Only available when using SPLIT_POINTING_ENABLE + * + * @param[in] new_mouse_report report_mouse_t + */ +void pointing_device_set_shared_report(report_mouse_t new_mouse_report) { + shared_mouse_report = new_mouse_report; +} + +/** + * @brief Gets current pointing device CPI if supported + * + * Gets current cpi of the shared report and returns it as uint16_t + * + * NOTE : Only available when using SPLIT_POINTING_ENABLE + * + * @return cpi value as uint16_t + */ +uint16_t pointing_device_get_shared_cpi(void) { + return shared_cpi; +} + +# if defined(POINTING_DEVICE_LEFT) +# define POINTING_DEVICE_THIS_SIDE is_keyboard_left() +# elif defined(POINTING_DEVICE_RIGHT) +# define POINTING_DEVICE_THIS_SIDE !is_keyboard_left() +# elif defined(POINTING_DEVICE_COMBINED) +# define POINTING_DEVICE_THIS_SIDE true +# endif + +#endif // defined(SPLIT_POINTING_ENABLE) + +static report_mouse_t local_mouse_report = {}; + +extern const pointing_device_driver_t pointing_device_driver; + +/** + * @brief Keyboard level code pointing device initialisation + * + */ +__attribute__((weak)) void pointing_device_init_kb(void) {} + +/** + * @brief User level code pointing device initialisation + * + */ +__attribute__((weak)) void pointing_device_init_user(void) {} + +/** + * @brief Weak function allowing for keyboard level mouse report modification + * + * Takes report_mouse_t struct allowing modification at keyboard level then returns report_mouse_t. + * + * @param[in] mouse_report report_mouse_t + * @return report_mouse_t + */ +__attribute__((weak)) report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) { + return pointing_device_task_user(mouse_report); +} + +/** + * @brief Weak function allowing for user level mouse report modification + * + * Takes report_mouse_t struct allowing modification at user level then returns report_mouse_t. + * + * @param[in] mouse_report report_mouse_t + * @return report_mouse_t + */ +__attribute__((weak)) report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) { + return mouse_report; +} + +/** + * @brief Handles pointing device buttons + * + * Returns modified button bitmask using bool pressed and selected pointing_device_buttons_t button in uint8_t buttons bitmask. + * + * @param buttons[in] uint8_t bitmask + * @param pressed[in] bool + * @param button[in] pointing_device_buttons_t value + * @return Modified uint8_t bitmask buttons + */ +__attribute__((weak)) uint8_t pointing_device_handle_buttons(uint8_t buttons, bool pressed, pointing_device_buttons_t button) { + if (pressed) { + buttons |= 1 << (button); + } else { + buttons &= ~(1 << (button)); + } + return buttons; +} + +/** + * @brief Initialises pointing device + * + * Initialises pointing device, perform driver init and optional keyboard/user level code. + */ +__attribute__((weak)) void pointing_device_init(void) { +#if defined(SPLIT_POINTING_ENABLE) + if (!(POINTING_DEVICE_THIS_SIDE)) { + return; + } +#endif + pointing_device_driver.init(); +#ifdef POINTING_DEVICE_MOTION_PIN + setPinInputHigh(POINTING_DEVICE_MOTION_PIN); +#endif + pointing_device_init_kb(); + pointing_device_init_user(); +} + +/** + * @brief Sends processed mouse report to host + * + * This sends the mouse report generated by pointing_device_task if changed since the last report. Once send zeros mouse report except buttons. + * + */ +__attribute__((weak)) void pointing_device_send(void) { + static report_mouse_t old_report = {}; + + // If you need to do other things, like debugging, this is the place to do it. + if (has_mouse_report_changed(&local_mouse_report, &old_report)) { + host_mouse_send(&local_mouse_report); + } + // send it and 0 it out except for buttons, so those stay until they are explicity over-ridden using update_pointing_device + local_mouse_report.x = 0; + local_mouse_report.y = 0; + local_mouse_report.v = 0; + local_mouse_report.h = 0; + + memcpy(&old_report, &local_mouse_report, sizeof(local_mouse_report)); +} + +/** + * @brief Adjust mouse report by any optional common pointing configuration defines + * + * This applies rotation or inversion to the mouse report as selected by the pointing device common configuration defines. + * + * @param mouse_report[in] takes a report_mouse_t to be adjusted + * @return report_mouse_t with adjusted values + */ +report_mouse_t pointing_device_adjust_by_defines(report_mouse_t mouse_report) { + // Support rotation of the sensor data +#if defined(POINTING_DEVICE_ROTATION_90) || defined(POINTING_DEVICE_ROTATION_180) || defined(POINTING_DEVICE_ROTATION_270) + mouse_xy_report_t x = mouse_report.x; + mouse_xy_report_t y = mouse_report.y; +# if defined(POINTING_DEVICE_ROTATION_90) + mouse_report.x = y; + mouse_report.y = -x; +# elif defined(POINTING_DEVICE_ROTATION_180) + mouse_report.x = -x; + mouse_report.y = -y; +# elif defined(POINTING_DEVICE_ROTATION_270) + mouse_report.x = -y; + mouse_report.y = x; +# else +# error "How the heck did you get here?!" +# endif +#endif + // Support Inverting the X and Y Axises +#if defined(POINTING_DEVICE_INVERT_X) + mouse_report.x = -mouse_report.x; +#endif +#if defined(POINTING_DEVICE_INVERT_Y) + mouse_report.y = -mouse_report.y; +#endif + return mouse_report; +} + +/** + * @brief Retrieves and processes pointing device data. + * + * This function is part of the keyboard loop and retrieves the mouse report from the pointing device driver. + * It applies any optional configuration e.g. rotation or axis inversion and then initiates a send. + * + */ +__attribute__((weak)) void pointing_device_task(void) { +#if defined(SPLIT_POINTING_ENABLE) + // Don't poll the target side pointing device. + if (!is_keyboard_master()) { + return; + }; +#endif + +#if (POINTING_DEVICE_TASK_THROTTLE_MS > 0) + static uint32_t last_exec = 0; + if (timer_elapsed32(last_exec) < POINTING_DEVICE_TASK_THROTTLE_MS) { + return; + } + last_exec = timer_read32(); +#endif + + // Gather report info +#ifdef POINTING_DEVICE_MOTION_PIN +# if defined(SPLIT_POINTING_ENABLE) +# error POINTING_DEVICE_MOTION_PIN not supported when sharing the pointing device report between sides. +# endif + if (!readPin(POINTING_DEVICE_MOTION_PIN)) +#endif + +#if defined(SPLIT_POINTING_ENABLE) +# if defined(POINTING_DEVICE_COMBINED) + static uint8_t old_buttons = 0; + local_mouse_report.buttons = old_buttons; + local_mouse_report = pointing_device_driver.get_report(local_mouse_report); + old_buttons = local_mouse_report.buttons; +# elif defined(POINTING_DEVICE_LEFT) || defined(POINTING_DEVICE_RIGHT) + local_mouse_report = POINTING_DEVICE_THIS_SIDE ? pointing_device_driver.get_report(local_mouse_report) : shared_mouse_report; +# else +# error "You need to define the side(s) the pointing device is on. POINTING_DEVICE_COMBINED / POINTING_DEVICE_LEFT / POINTING_DEVICE_RIGHT" +# endif +#else + local_mouse_report = pointing_device_driver.get_report(local_mouse_report); +#endif // defined(SPLIT_POINTING_ENABLE) + + // allow kb to intercept and modify report +#if defined(SPLIT_POINTING_ENABLE) && defined(POINTING_DEVICE_COMBINED) + if (is_keyboard_left()) { + local_mouse_report = pointing_device_adjust_by_defines(local_mouse_report); + shared_mouse_report = pointing_device_adjust_by_defines_right(shared_mouse_report); + } else { + local_mouse_report = pointing_device_adjust_by_defines_right(local_mouse_report); + shared_mouse_report = pointing_device_adjust_by_defines(shared_mouse_report); + } + local_mouse_report = is_keyboard_left() ? pointing_device_task_combined_kb(local_mouse_report, shared_mouse_report) : pointing_device_task_combined_kb(shared_mouse_report, local_mouse_report); +#else + local_mouse_report = pointing_device_adjust_by_defines(local_mouse_report); + local_mouse_report = pointing_device_task_kb(local_mouse_report); +#endif + // combine with mouse report to ensure that the combined is sent correctly +#ifdef MOUSEKEY_ENABLE + report_mouse_t mousekey_report = mousekey_get_report(); + local_mouse_report.buttons = local_mouse_report.buttons | mousekey_report.buttons; +#endif + pointing_device_send(); +} + +/** + * @brief Gets current mouse report used by pointing device task + * + * @return report_mouse_t + */ +report_mouse_t pointing_device_get_report(void) { + return local_mouse_report; +} + +/** + * @brief Sets mouse report used be pointing device task + * + * @param[in] mouse_report + */ +void pointing_device_set_report(report_mouse_t mouse_report) { + local_mouse_report = mouse_report; +} + +/** + * @brief Gets current pointing device CPI if supported + * + * Gets current cpi from pointing device driver if supported and returns it as uint16_t + * + * @return cpi value as uint16_t + */ +uint16_t pointing_device_get_cpi(void) { +#if defined(SPLIT_POINTING_ENABLE) + return POINTING_DEVICE_THIS_SIDE ? pointing_device_driver.get_cpi() : shared_cpi; +#else + return pointing_device_driver.get_cpi(); +#endif +} + +/** + * @brief Set pointing device CPI if supported + * + * Takes a uint16_t value to set pointing device cpi if supported by driver. + * + * @param[in] cpi uint16_t value. + */ +void pointing_device_set_cpi(uint16_t cpi) { +#if defined(SPLIT_POINTING_ENABLE) + if (POINTING_DEVICE_THIS_SIDE) { + pointing_device_driver.set_cpi(cpi); + } else { + shared_cpi = cpi; + } +#else + pointing_device_driver.set_cpi(cpi); +#endif +} + +#if defined(SPLIT_POINTING_ENABLE) && defined(POINTING_DEVICE_COMBINED) +/** + * @brief Set pointing device CPI if supported + * + * Takes a bool and uint16_t and allows setting cpi for a single side when using 2 pointing devices with a split keyboard. + * + * NOTE: Only available when using SPLIT_POINTING_ENABLE and POINTING_DEVICE_COMBINED + * + * @param[in] left true = left, false = right. + * @param[in] cpi uint16_t value. + */ +void pointing_device_set_cpi_on_side(bool left, uint16_t cpi) { + bool local = (is_keyboard_left() & left) ? true : false; + if (local) { + pointing_device_driver.set_cpi(cpi); + } else { + shared_cpi = cpi; + } +} + +/** + * @brief clamps int16_t to int8_t + * + * @param[in] int16_t value + * @return int8_t clamped value + */ +static inline int8_t pointing_device_hv_clamp(int16_t value) { + if (value < INT8_MIN) { + return INT8_MIN; + } else if (value > INT8_MAX) { + return INT8_MAX; + } else { + return value; + } +} + +/** + * @brief clamps int16_t to int8_t + * + * @param[in] clamp_range_t value + * @return mouse_xy_report_t clamped value + */ +static inline mouse_xy_report_t pointing_device_xy_clamp(clamp_range_t value) { + if (value < XY_REPORT_MIN) { + return XY_REPORT_MIN; + } else if (value > XY_REPORT_MAX) { + return XY_REPORT_MAX; + } else { + return value; + } +} +/** + * @brief combines 2 mouse reports and returns 2 + * + * Combines 2 report_mouse_t structs, clamping movement values to int8_t and ignores report_id then returns the resulting report_mouse_t struct. + * + * NOTE: Only available when using SPLIT_POINTING_ENABLE and POINTING_DEVICE_COMBINED + * + * @param[in] left_report left report_mouse_t + * @param[in] right_report right report_mouse_t + * @return combined report_mouse_t of left_report and right_report + */ +report_mouse_t pointing_device_combine_reports(report_mouse_t left_report, report_mouse_t right_report) { + left_report.x = pointing_device_xy_clamp((clamp_range_t)left_report.x + right_report.x); + left_report.y = pointing_device_xy_clamp((clamp_range_t)left_report.y + right_report.y); + left_report.h = pointing_device_hv_clamp((int16_t)left_report.h + right_report.h); + left_report.v = pointing_device_hv_clamp((int16_t)left_report.v + right_report.v); + left_report.buttons |= right_report.buttons; + return left_report; +} + +/** + * @brief Adjust mouse report by any optional right pointing configuration defines + * + * This applies rotation or inversion to the mouse report as selected by the pointing device common configuration defines. + * + * NOTE: Only available when using SPLIT_POINTING_ENABLE and POINTING_DEVICE_COMBINED + * + * @param[in] mouse_report report_mouse_t to be adjusted + * @return report_mouse_t with adjusted values + */ +report_mouse_t pointing_device_adjust_by_defines_right(report_mouse_t mouse_report) { + // Support rotation of the sensor data +# if defined(POINTING_DEVICE_ROTATION_90_RIGHT) || defined(POINTING_DEVICE_ROTATION_RIGHT) || defined(POINTING_DEVICE_ROTATION_RIGHT) + mouse_xy_report_t x = mouse_report.x; + mouse_xy_report_t y = mouse_report.y; +# if defined(POINTING_DEVICE_ROTATION_90_RIGHT) + mouse_report.x = y; + mouse_report.y = -x; +# elif defined(POINTING_DEVICE_ROTATION_180_RIGHT) + mouse_report.x = -x; + mouse_report.y = -y; +# elif defined(POINTING_DEVICE_ROTATION_270_RIGHT) + mouse_report.x = -y; + mouse_report.y = x; +# else +# error "How the heck did you get here?!" +# endif +# endif + // Support Inverting the X and Y Axises +# if defined(POINTING_DEVICE_INVERT_X_RIGHT) + mouse_report.x = -mouse_report.x; +# endif +# if defined(POINTING_DEVICE_INVERT_Y_RIGHT) + mouse_report.y = -mouse_report.y; +# endif + return mouse_report; +} + +/** + * @brief Weak function allowing for keyboard level mouse report modification + * + * Takes 2 report_mouse_t structs allowing individual modification of sides at keyboard level then returns pointing_device_task_combined_user. + * + * NOTE: Only available when using SPLIT_POINTING_ENABLE and POINTING_DEVICE_COMBINED + * + * @param[in] left_report report_mouse_t + * @param[in] right_report report_mouse_t + * @return pointing_device_task_combined_user(left_report, right_report) by default + */ +__attribute__((weak)) report_mouse_t pointing_device_task_combined_kb(report_mouse_t left_report, report_mouse_t right_report) { + return pointing_device_task_combined_user(left_report, right_report); +} + +/** + * @brief Weak function allowing for user level mouse report modification + * + * Takes 2 report_mouse_t structs allowing individual modification of sides at user level then returns pointing_device_combine_reports. + * + * NOTE: Only available when using SPLIT_POINTING_ENABLE and POINTING_DEVICE_COMBINED + * + * @param[in] left_report report_mouse_t + * @param[in] right_report report_mouse_t + * @return pointing_device_combine_reports(left_report, right_report) by default + */ +__attribute__((weak)) report_mouse_t pointing_device_task_combined_user(report_mouse_t left_report, report_mouse_t right_report) { + return pointing_device_combine_reports(left_report, right_report); +} +#endif diff --git a/quantum/pointing_device/pointing_device.h b/quantum/pointing_device/pointing_device.h new file mode 100644 index 0000000000..77db5471ea --- /dev/null +++ b/quantum/pointing_device/pointing_device.h @@ -0,0 +1,117 @@ +/* +Copyright 2017 Joshua Broekhuijsen <snipeye+qmk@gmail.com> + +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/>. +*/ + +#pragma once + +#include <stdint.h> +#include "host.h" +#include "report.h" + +#if defined(POINTING_DEVICE_DRIVER_adns5050) +# include "drivers/sensors/adns5050.h" +#elif defined(POINTING_DEVICE_DRIVER_adns9800) +# include "spi_master.h" +# include "drivers/sensors/adns9800.h" +#elif defined(POINTING_DEVICE_DRIVER_analog_joystick) +# include "analog.h" +# include "drivers/sensors/analog_joystick.h" +#elif defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_i2c) || defined(POINTING_DEVICE_DRIVER_cirque_pinnacle_spi) +# include "drivers/sensors/cirque_pinnacle.h" +# include "drivers/sensors/cirque_pinnacle_gestures.h" +# include "pointing_device_gestures.h" +#elif defined(POINTING_DEVICE_DRIVER_paw3204) +# include "drivers/sensors/paw3204.h" +#elif defined(POINTING_DEVICE_DRIVER_pimoroni_trackball) +# include "i2c_master.h" +# include "drivers/sensors/pimoroni_trackball.h" +// support for legacy pimoroni defines +# ifdef PIMORONI_TRACKBALL_INVERT_X +# define POINTING_DEVICE_INVERT_X +# endif +# ifdef PIMORONI_TRACKBALL_INVERT_Y +# define POINTING_DEVICE_INVERT_Y +# endif +# ifdef PIMORONI_TRACKBALL_ROTATE +# define POINTING_DEVICE_ROTATION_90 +# endif +#elif defined(POINTING_DEVICE_DRIVER_pmw3360) || defined(POINTING_DEVICE_DRIVER_pmw3389) +# include "spi_master.h" +# include "drivers/sensors/pmw33xx_common.h" +#else +void pointing_device_driver_init(void); +report_mouse_t pointing_device_driver_get_report(report_mouse_t mouse_report); +uint16_t pointing_device_driver_get_cpi(void); +void pointing_device_driver_set_cpi(uint16_t cpi); +#endif + +typedef struct { + void (*init)(void); + report_mouse_t (*get_report)(report_mouse_t mouse_report); + void (*set_cpi)(uint16_t); + uint16_t (*get_cpi)(void); +} pointing_device_driver_t; + +typedef enum { + POINTING_DEVICE_BUTTON1, + POINTING_DEVICE_BUTTON2, + POINTING_DEVICE_BUTTON3, + POINTING_DEVICE_BUTTON4, + POINTING_DEVICE_BUTTON5, + POINTING_DEVICE_BUTTON6, + POINTING_DEVICE_BUTTON7, + POINTING_DEVICE_BUTTON8, +} pointing_device_buttons_t; + +#ifdef MOUSE_EXTENDED_REPORT +# define XY_REPORT_MIN INT16_MIN +# define XY_REPORT_MAX INT16_MAX +typedef int32_t clamp_range_t; +#else +# define XY_REPORT_MIN INT8_MIN +# define XY_REPORT_MAX INT8_MAX +typedef int16_t clamp_range_t; +#endif + +void pointing_device_init(void); +void pointing_device_task(void); +void pointing_device_send(void); +report_mouse_t pointing_device_get_report(void); +void pointing_device_set_report(report_mouse_t mouse_report); +uint16_t pointing_device_get_cpi(void); +void pointing_device_set_cpi(uint16_t cpi); + +void pointing_device_init_kb(void); +void pointing_device_init_user(void); +report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report); +report_mouse_t pointing_device_task_user(report_mouse_t mouse_report); +uint8_t pointing_device_handle_buttons(uint8_t buttons, bool pressed, pointing_device_buttons_t button); +report_mouse_t pointing_device_adjust_by_defines(report_mouse_t mouse_report); + +#if defined(SPLIT_POINTING_ENABLE) +void pointing_device_set_shared_report(report_mouse_t report); +uint16_t pointing_device_get_shared_cpi(void); +# if !defined(POINTING_DEVICE_TASK_THROTTLE_MS) +# define POINTING_DEVICE_TASK_THROTTLE_MS 1 +# endif +# if defined(POINTING_DEVICE_COMBINED) +void pointing_device_set_cpi_on_side(bool left, uint16_t cpi); +report_mouse_t pointing_device_combine_reports(report_mouse_t left_report, report_mouse_t right_report); +report_mouse_t pointing_device_task_combined_kb(report_mouse_t left_report, report_mouse_t right_report); +report_mouse_t pointing_device_task_combined_user(report_mouse_t left_report, report_mouse_t right_report); +report_mouse_t pointing_device_adjust_by_defines_right(report_mouse_t mouse_report); +# endif // defined(POINTING_DEVICE_COMBINED) +#endif // defined(SPLIT_POINTING_ENABLE) diff --git a/quantum/pointing_device/pointing_device_drivers.c b/quantum/pointing_device/pointing_device_drivers.c new file mode 100644 index 0000000000..d0b545d22d --- /dev/null +++ b/quantum/pointing_device/pointing_device_drivers.c @@ -0,0 +1,345 @@ +/* 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_paw3204) + +report_mouse_t paw3204_get_report(report_mouse_t mouse_report) { + report_paw3204_t data = paw3204_read(); + if (data.isMotion) { +# ifdef CONSOLE_ENABLE + dprintf("Raw ] X: %d, Y: %d\n", data.x, data.y); +# endif + + mouse_report.x = data.x; + mouse_report.y = data.y; + } + + return mouse_report; +} +const pointing_device_driver_t pointing_device_driver = { + .init = paw3204_init, + .get_report = paw3204_get_report, + .set_cpi = paw3204_set_cpi, + .get_cpi = paw3204_get_cpi, +}; +#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) || defined(POINTING_DEVICE_DRIVER_pmw3389) +static void pmw33xx_init_wrapper(void) { + pmw33xx_init(0); +} + +static void pmw33xx_set_cpi_wrapper(uint16_t cpi) { + pmw33xx_set_cpi(0, cpi); +} + +static uint16_t pmw33xx_get_cpi_wrapper(void) { + return pmw33xx_get_cpi(0); +} + +report_mouse_t pmw33xx_get_report(report_mouse_t mouse_report) { + pmw33xx_report_t report = pmw33xx_read_burst(0); + static bool in_motion = false; + + if (report.motion.b.is_lifted) { + return mouse_report; + } + + if (!report.motion.b.is_motion) { + in_motion = false; + return mouse_report; + } + + if (!in_motion) { + in_motion = true; + dprintf("PWM3360 (0): starting motion\n"); + } + + mouse_report.x = CONSTRAIN_HID_XY(report.delta_x); + mouse_report.y = CONSTRAIN_HID_XY(report.delta_y); + return mouse_report; +} + +// clang-format off +const pointing_device_driver_t pointing_device_driver = { + .init = pmw33xx_init_wrapper, + .get_report = pmw33xx_get_report, + .set_cpi = pmw33xx_set_cpi_wrapper, + .get_cpi = pmw33xx_get_cpi_wrapper +}; +// 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 diff --git a/quantum/pointing_device/pointing_device_gestures.c b/quantum/pointing_device/pointing_device_gestures.c new file mode 100644 index 0000000000..02b11ebe3f --- /dev/null +++ b/quantum/pointing_device/pointing_device_gestures.c @@ -0,0 +1,133 @@ +/* Copyright 2022 Daniel Kao <daniel.m.kao@gmail.com> + * + * 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 <string.h> +#include "pointing_device_gestures.h" +#include "timer.h" + +#ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE +# ifdef POINTING_DEVICE_MOTION_PIN +# error POINTING_DEVICE_MOTION_PIN not supported when using inertial cursor. Need repeated calls to get_report() to generate glide events. +# endif + +static void cursor_glide_stop(cursor_glide_context_t* glide) { + memset(&glide->status, 0, sizeof(glide->status)); +} + +static cursor_glide_t cursor_glide(cursor_glide_context_t* glide) { + cursor_glide_status_t* status = &glide->status; + cursor_glide_t report; + int32_t p; + int32_t x, y; + + if (status->v0 == 0) { + report.dx = 0; + report.dy = 0; + report.valid = false; + cursor_glide_stop(glide); + goto exit; + } + + status->counter++; + /* Calculate current 1D position */ + p = status->v0 * status->counter - (int32_t)glide->config.coef * status->counter * status->counter / 2; + /* + * Translate to x & y axes + * Done this way instead of applying friction to each axis separately, so we don't end up with the shorter axis stuck at 0 towards the end of diagonal movements. + */ + x = (int32_t)(p * status->dx0 / status->v0); + y = (int32_t)(p * status->dy0 / status->v0); + report.dx = (mouse_xy_report_t)(x - status->x); + report.dy = (mouse_xy_report_t)(y - status->y); + report.valid = true; + if (report.dx <= 1 && report.dx >= -1 && report.dy <= 1 && report.dy >= -1) { + /* Stop gliding once speed is low enough */ + cursor_glide_stop(glide); + goto exit; + } + status->x = x; + status->y = y; + status->timer = timer_read(); + +exit: + return report; +} + +cursor_glide_t cursor_glide_check(cursor_glide_context_t* glide) { + cursor_glide_t invalid_report = {0, 0, false}; + cursor_glide_status_t* status = &glide->status; + + if (status->z || (status->dx0 == 0 && status->dy0 == 0) || timer_elapsed(status->timer) < glide->config.interval) { + return invalid_report; + } else { + return cursor_glide(glide); + } +} + +static inline uint16_t sqrt32(uint32_t x) { + uint32_t l, m, h; + + if (x == 0) { + return 0; + } else if (x > (UINT16_MAX >> 2)) { + /* Safe upper bound to avoid integer overflow with m * m */ + h = UINT16_MAX; + } else { + /* Upper bound based on closest log2 */ + h = (1 << (((__builtin_clzl(1) - __builtin_clzl(x) + 1) + 1) >> 1)); + } + /* Lower bound based on closest log2 */ + l = (1 << ((__builtin_clzl(1) - __builtin_clzl(x)) >> 1)); + + /* Binary search to find integer square root */ + while (l != h - 1) { + m = (l + h) / 2; + if (m * m <= x) { + l = m; + } else { + h = m; + } + } + return l; +} + +cursor_glide_t cursor_glide_start(cursor_glide_context_t* glide) { + cursor_glide_t invalid_report = {0, 0, false}; + cursor_glide_status_t* status = &glide->status; + + status->timer = timer_read(); + status->counter = 0; + status->v0 = (status->dx0 == 0 && status->dy0 == 0) ? 0.0 : sqrt32(((int32_t)status->dx0 * 256 * status->dx0 * 256) + ((int32_t)status->dy0 * 256 * status->dy0 * 256)); // skip trigonometry if not needed, calculate distance in Q8 + status->x = 0; + status->y = 0; + status->z = 0; + + if (status->v0 < ((uint32_t)glide->config.trigger_px * 256)) { /* Q8 comparison */ + /* Not enough velocity to be worth gliding, abort */ + cursor_glide_stop(glide); + return invalid_report; + } + + return cursor_glide(glide); +} + +void cursor_glide_update(cursor_glide_context_t* glide, mouse_xy_report_t dx, mouse_xy_report_t dy, uint16_t z) { + cursor_glide_status_t* status = &glide->status; + + status->dx0 = dx; + status->dy0 = dy; + status->z = z; +} +#endif diff --git a/quantum/pointing_device/pointing_device_gestures.h b/quantum/pointing_device/pointing_device_gestures.h new file mode 100644 index 0000000000..d2ea44971b --- /dev/null +++ b/quantum/pointing_device/pointing_device_gestures.h @@ -0,0 +1,58 @@ +/* Copyright 2022 Daniel Kao <daniel.m.kao@gmail.com> + * + * 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/>. + */ +#pragma once + +#include <stdint.h> +#include "report.h" + +#ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE +typedef struct { + mouse_xy_report_t dx; + mouse_xy_report_t dy; + bool valid; +} cursor_glide_t; + +typedef struct { + uint16_t trigger_px; /* Pixels of movement needed to trigger cursor glide */ + uint16_t coef; /* Coefficient of friction */ + uint16_t interval; /* Glide report interval, in milliseconds */ +} cursor_glide_config_t; + +typedef struct { + int32_t v0; + int32_t x; + int32_t y; + uint16_t z; + uint16_t timer; + uint16_t counter; + mouse_xy_report_t dx0; + mouse_xy_report_t dy0; +} cursor_glide_status_t; + +typedef struct { + cursor_glide_config_t config; + cursor_glide_status_t status; +} cursor_glide_context_t; + +/* Check glide report conditions, calculates glide coordinates */ +cursor_glide_t cursor_glide_check(cursor_glide_context_t* glide); + +/* Start glide reporting, gives first set of glide coordinates */ +cursor_glide_t cursor_glide_start(cursor_glide_context_t* glide); + +/* Update glide engine on the latest cursor movement, cursor glide is based on the final movement */ +void cursor_glide_update(cursor_glide_context_t* glide, mouse_xy_report_t dx, mouse_xy_report_t dy, uint16_t z); +#endif |