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72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
#pragma once
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#include <driver/gpio.h>
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#include <lvgl.h>
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namespace trackball {
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/**
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* @brief Trackball operating mode
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*/
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enum class Mode {
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Encoder, // Navigation via enc_diff (scroll wheel behavior)
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Pointer // Mouse cursor via point.x/y
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};
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/**
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* @brief Trackball configuration structure
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*/
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struct TrackballConfig {
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gpio_num_t pinRight; // Right direction GPIO
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gpio_num_t pinUp; // Up direction GPIO
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gpio_num_t pinLeft; // Left direction GPIO
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gpio_num_t pinDown; // Down direction GPIO
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gpio_num_t pinClick; // Click/select button GPIO
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uint8_t encoderSensitivity = 1; // Encoder mode: steps per tick
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uint8_t pointerSensitivity = 10; // Pointer mode: pixels per tick
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};
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/**
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* @brief Initialize trackball as LVGL input device
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* @param config Trackball GPIO configuration
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* @return LVGL input device pointer, or nullptr on failure
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*/
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lv_indev_t* init(const TrackballConfig& config);
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/**
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* @brief Deinitialize trackball
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*/
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void deinit();
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/**
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* @brief Set encoder mode sensitivity
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* @param sensitivity Steps per trackball tick (1-10, default: 1)
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*/
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void setEncoderSensitivity(uint8_t sensitivity);
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/**
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* @brief Set pointer mode sensitivity
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* @param sensitivity Pixels per trackball tick (1-10, default: 10)
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*/
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void setPointerSensitivity(uint8_t sensitivity);
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/**
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* @brief Enable or disable trackball input processing
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* @param enabled Boolean value to enable or disable
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*/
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void setEnabled(bool enabled);
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/**
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* @brief Set trackball operating mode
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* @param mode Encoder or Pointer mode
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*/
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void setMode(Mode mode);
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/**
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* @brief Get current trackball operating mode
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* @return Current mode
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*/
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Mode getMode();
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}
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