Trackball rewrite (#600)

- Implement generic trackball settings - Refactor T-Deck trackball driver into generic driver at `Drivers/gpio-trackball-module` - Automatically bind/unbind trackball devices with LVGL - Automatically load settings for trackball devices on boot
2026-07-30 13:38:19 +02:00
parent de6fc3b346
commit c729e8340f
39 changed files with 1194 additions and 666 deletions
@@ -1,7 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-#pragma once
-
-#include <tactility/bindings/bindings.h>
-#include <lilygo/drivers/tdeck_trackball.h>
-
-DEFINE_DEVICETREE(tdeck_trackball, struct TdeckTrackballConfig)
@@ -1,62 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <tactility/drivers/gpio.h>
-#include <tactility/error.h>
-#include <stdbool.h>
-#include <stdint.h>
-
-struct Device;
-struct DeviceType;
-
-struct TdeckTrackballConfig {
-    struct GpioPinSpec pin_right;
-    struct GpioPinSpec pin_up;
-    struct GpioPinSpec pin_left;
-    struct GpioPinSpec pin_down;
-    struct GpioPinSpec pin_click;
-};
-
-/**
- * @brief API for the T-Deck 5-way trackball driver.
- * Reports raw, unscaled movement: sensitivity and mode (encoder vs. pointer) are UI concerns
- * layered on top by the consumer, not something this driver knows about.
- */
-struct TdeckTrackballApi {
-    /**
-     * @brief Reads the accumulated movement since the last read, then resets it to zero.
-     * @param[in] device the trackball device
-     * @param[out] out_dx horizontal movement (right positive), in raw pulses
-     * @param[out] out_dy vertical movement (down positive), in raw pulses
-     * @retval ERROR_NONE when the operation was successful
-     */
-    error_t (*read_delta)(struct Device* device, int32_t* out_dx, int32_t* out_dy);
-
-    /**
-     * @brief Gets whether the click button is currently pressed.
-     * @param[in] device the trackball device
-     * @param[out] out_pressed true when pressed
-     * @retval ERROR_NONE when the operation was successful
-     */
-    error_t (*get_button_pressed)(struct Device* device, bool* out_pressed);
-};
-
-/**
- * @brief Reads the accumulated movement using the specified trackball device.
- */
-error_t tdeck_trackball_read_delta(struct Device* device, int32_t* out_dx, int32_t* out_dy);
-
-/**
- * @brief Gets whether the click button is currently pressed on the specified trackball device.
- */
-error_t tdeck_trackball_get_button_pressed(struct Device* device, bool* out_pressed);
-
-extern const struct DeviceType TDECK_TRACKBALL_TYPE;
-
-#ifdef __cplusplus
-}
-#endif
@@ -1,56 +0,0 @@
-#pragma once
-
-#include <lvgl.h>
-
-namespace trackball {
-
-/**
- * @brief Trackball operating mode
- */
-enum class Mode {
-    Encoder,  // Navigation via enc_diff (scroll wheel behavior)
-    Pointer   // Mouse cursor via point.x/y
-};
-
-/**
- * @brief Initialize trackball as an LVGL input device, backed by the kernel tdeck_trackball driver.
- * @return LVGL input device pointer, or nullptr if the kernel device isn't found/started
- */
-lv_indev_t* init();
-
-/**
- * @brief Deinitialize trackball
- */
-void deinit();
-
-/**
- * @brief Set encoder mode sensitivity
- * @param sensitivity Steps per trackball tick (1-10, default: 1)
- */
-void setEncoderSensitivity(uint8_t sensitivity);
-
-/**
- * @brief Set pointer mode sensitivity
- * @param sensitivity Pixels per trackball tick (1-10, default: 10)
- */
-void setPointerSensitivity(uint8_t sensitivity);
-
-/**
- * @brief Enable or disable trackball input processing
- * @param enabled Boolean value to enable or disable
- */
-void setEnabled(bool enabled);
-
-/**
- * @brief Set trackball operating mode
- * @param mode Encoder or Pointer mode
- */
-void setMode(Mode mode);
-
-/**
- * @brief Get current trackball operating mode
- * @return Current mode
- */
-Mode getMode();
-
-}