move into firmware subfolder
Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
63
firmware/components/insa/include/common/Common.h
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63
firmware/components/insa/include/common/Common.h
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@@ -0,0 +1,63 @@
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/**
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* @file Common.h
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* @brief Common definitions and types for the INSA component
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* @details This header file contains shared enumerations, type definitions, and
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* callback function types used throughout the INSA component system.
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* It provides the foundation for button handling and event management.
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* @author System Control Team
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* @date 2025-06-14
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*/
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#pragma once
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#include <functional>
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/**
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* @enum ButtonType
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* @brief Enumeration defining the different types of buttons available in the system
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* @details This enumeration represents all possible button types that can be handled
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* by the system's input management. NONE represents no button pressed or
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* an invalid button state, while the other values correspond to specific
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* directional and action buttons.
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*/
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enum class ButtonType
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{
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NONE, ///< No button pressed or invalid button state
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UP, ///< Up directional button for navigation
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DOWN, ///< Down directional button for navigation
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LEFT, ///< Left directional button for navigation
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RIGHT, ///< Right directional button for navigation
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SELECT, ///< Select/confirm button for accepting choices
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BACK ///< Back/cancel button for returning to previous state
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};
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// Forward declaration of MenuItem to avoid circular dependency
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class MenuItem;
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/**
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* @typedef ButtonCallback
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* @brief Type alias for button event callback function
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* @details This function type is used to define callback functions that handle
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* button press events. The callback receives information about which
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* button was pressed and any additional context data.
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*
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* @param MenuItem menu item for the specific action
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* @param ButtonType The type of button that was pressed
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*
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* @note The first parameter can be used to distinguish between multiple instances
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* of the same button type or to pass additional event-specific data.
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*
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* @example
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* @code
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* ButtonCallback myCallback = [](const MenuItem& item, ButtonType type) {
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* if (type == ButtonType::SELECT) {
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* // Handle select button press
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* processSelection(item);
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* }
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* };
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* @endcode
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*/
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typedef std::function<void(MenuItem, ButtonType)> ButtonCallback;
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// Include MenuItem.h after the typedef to avoid circular dependency
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#include "data/MenuItem.h"
|
194
firmware/components/insa/include/common/InactivityTracker.h
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194
firmware/components/insa/include/common/InactivityTracker.h
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@@ -0,0 +1,194 @@
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/**
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* @file InactivityTracker.h
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* @brief Inactivity tracking system for monitoring user interaction timeouts
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* @details This header defines the InactivityTracker class which monitors user
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* activity and triggers timeout callbacks when the system remains inactive
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* for a specified duration. It provides essential functionality for power
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* management, screen savers, and automatic system state transitions.
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* @author System Control Team
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* @date 2025-06-20
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*/
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#pragma once
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#include <functional>
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#include <stdint.h>
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/**
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* @class InactivityTracker
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* @brief Activity monitoring class for detecting user inactivity periods
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* @details This class provides a robust mechanism for tracking user activity and
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* triggering automatic actions when the system remains inactive for a
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* configured timeout period. It is commonly used for implementing power
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* saving features, automatic screen savers, session timeouts, and other
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* time-based system behaviors.
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*
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* The InactivityTracker operates by:
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* - Continuously tracking elapsed time since the last user activity
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* - Comparing elapsed time against a configurable timeout threshold
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* - Executing a callback function when the timeout is reached
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* - Providing methods to reset the timer when activity is detected
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* - Supporting enable/disable functionality for dynamic control
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*
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* Key features include:
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* - Configurable timeout duration in milliseconds
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* - Custom callback function execution on timeout
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* - Activity reset capability for responsive user interaction
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* - Enable/disable control for conditional monitoring
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* - High-resolution timing support using 64-bit millisecond precision
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*
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* Common use cases:
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* - Screen saver activation after idle periods
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* - Automatic screen dimming or shutdown
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* - Session timeout management
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* - Power management and battery conservation
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* - User interface state transitions
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* - Security lockout after inactivity
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*
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* The class is designed to be lightweight and efficient, suitable for
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||||
* real-time applications where precise timing and minimal overhead are important.
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*
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* @note This class requires regular update calls to function properly.
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||||
* @note The timeout callback is executed once per timeout period and will
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||||
* not repeat until the tracker is reset and times out again.
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*
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* @see Widget for integration with UI components
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* @see Menu for menu timeout implementations
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||||
*/
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class InactivityTracker
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{
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public:
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/**
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* @brief Constructs an InactivityTracker with specified timeout and callback
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* @param timeoutMs Timeout duration in milliseconds before triggering callback
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* @param onTimeout Callback function to execute when timeout is reached
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*
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* @pre timeoutMs must be greater than 0 for meaningful timeout behavior
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* @pre onTimeout must be a valid callable function object
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* @post InactivityTracker is initialized, enabled, and ready for activity monitoring
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*
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* @details The constructor initializes the inactivity tracker with the specified
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* timeout duration and callback function. The tracker starts in an enabled
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* state with zero elapsed time, ready to begin monitoring user activity.
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*
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* The timeout callback function can perform any necessary actions when inactivity
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* is detected, such as:
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* - Activating screen savers or power saving modes
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* - Transitioning to different application states
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* - Logging inactivity events
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* - Triggering security lockouts
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* - Initiating automatic save operations
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*
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* @note The tracker begins monitoring immediately upon construction.
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* @note The callback function should be lightweight to avoid blocking
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* the main application thread during timeout processing.
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*
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* Example usage:
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* @code
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* auto tracker = InactivityTracker(30000, []() {
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* // Activate screen saver after 30 seconds of inactivity
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* activateScreenSaver();
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* });
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* @endcode
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*/
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InactivityTracker(uint64_t timeoutMs, const std::function<void()> &onTimeout);
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/**
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* @brief Updates the inactivity timer and checks for timeout conditions
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* @param dt Delta time in milliseconds since the last update call
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*
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||||
* @details This method must be called regularly (typically every frame) to
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||||
* maintain accurate timing and timeout detection. It increments the
|
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* elapsed time counter and triggers the timeout callback when the
|
||||
* configured timeout duration is reached.
|
||||
*
|
||||
* The update process:
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* - Adds the delta time to the elapsed time counter (if enabled)
|
||||
* - Compares elapsed time against the configured timeout threshold
|
||||
* - Executes the timeout callback if the threshold is exceeded
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||||
* - Continues monitoring until reset or disabled
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||||
*
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||||
* @note This method should be called consistently from the main application
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||||
* loop to ensure accurate timing behavior.
|
||||
* @note The timeout callback is executed only once per timeout period.
|
||||
* @note If the tracker is disabled, elapsed time is not updated.
|
||||
*
|
||||
* @see reset() to restart the inactivity timer
|
||||
* @see setEnabled() to control monitoring state
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||||
*/
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||||
void update(uint64_t dt);
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||||
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/**
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||||
* @brief Resets the inactivity timer to indicate recent user activity
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||||
*
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||||
* @details This method should be called whenever user activity is detected
|
||||
* to restart the inactivity timeout period. It resets the elapsed
|
||||
* time counter to zero, effectively extending the timeout deadline
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||||
* and preventing timeout callback execution until the full timeout
|
||||
* duration elapses again without further resets.
|
||||
*
|
||||
* Common scenarios for calling reset():
|
||||
* - Button presses or key events
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||||
* - Mouse movement or touch input
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||||
* - Menu navigation or selection actions
|
||||
* - Any user interface interaction
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||||
* - System activity that should extend the timeout
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||||
*
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* @post Elapsed time is reset to zero, restarting the timeout period
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||||
*
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||||
* @note This method can be called at any time, even when the tracker
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||||
* is disabled, to prepare for future monitoring.
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||||
* @note Frequent reset calls from active user interaction will prevent
|
||||
* timeout callback execution, which is the intended behavior.
|
||||
*
|
||||
* Example usage:
|
||||
* @code
|
||||
* void onButtonPress() {
|
||||
* tracker.reset(); // User activity detected, restart timeout
|
||||
* // Handle button press...
|
||||
* }
|
||||
* @endcode
|
||||
*/
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||||
void reset();
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||||
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||||
/**
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||||
* @brief Enables or disables inactivity monitoring
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||||
* @param enabled True to enable monitoring, false to disable
|
||||
*
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||||
* @details This method controls whether the inactivity tracker actively
|
||||
* monitors for timeouts. When disabled, the elapsed time counter
|
||||
* is not updated during update() calls, effectively pausing the
|
||||
* timeout detection without losing the current elapsed time state.
|
||||
*
|
||||
* Use cases for disabling:
|
||||
* - Temporary suspension during system operations
|
||||
* - Context-sensitive monitoring (disable in certain application states)
|
||||
* - Power management control (disable during low-power modes)
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||||
* - User preference settings (allow users to disable timeouts)
|
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* - Development and debugging (disable for testing)
|
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*
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||||
* When re-enabled, monitoring resumes from the current elapsed time state,
|
||||
* allowing for seamless pause/resume functionality.
|
||||
*
|
||||
* @post Monitoring state is updated according to the enabled parameter
|
||||
*
|
||||
* @note Disabling the tracker does not reset the elapsed time counter.
|
||||
* @note The timeout callback will not be executed while disabled, even
|
||||
* if the timeout threshold would otherwise be exceeded.
|
||||
* @note Enabling/disabling can be done at any time during operation.
|
||||
*
|
||||
* Example usage:
|
||||
* @code
|
||||
* tracker.setEnabled(false); // Pause monitoring during critical operation
|
||||
* performCriticalOperation();
|
||||
* tracker.setEnabled(true); // Resume monitoring after completion
|
||||
* @endcode
|
||||
*/
|
||||
void setEnabled(bool enabled);
|
||||
|
||||
private:
|
||||
uint64_t m_timeoutMs; ///< Timeout duration in milliseconds before callback execution
|
||||
uint64_t m_elapsedTime; ///< Current elapsed time since last reset in milliseconds
|
||||
bool m_enabled; ///< Flag indicating whether monitoring is currently active
|
||||
std::function<void()> m_onTimeout; ///< Callback function executed when timeout threshold is reached
|
||||
};
|
223
firmware/components/insa/include/common/Menu.h
Normal file
223
firmware/components/insa/include/common/Menu.h
Normal file
@@ -0,0 +1,223 @@
|
||||
/**
|
||||
* @file Menu.h
|
||||
* @brief Menu widget class for creating interactive menu systems
|
||||
* @details This header defines the Menu class which extends the Widget base class
|
||||
* to provide a comprehensive, customizable menu system supporting various
|
||||
* types of interactive menu items including text buttons, selections,
|
||||
* number inputs, and toggles. The menu supports navigation with directional
|
||||
* input and provides visual feedback through selection highlighting and scrollbars.
|
||||
* @author System Control Team
|
||||
* @date 2025-06-14
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "Common.h"
|
||||
#include "MenuOptions.h"
|
||||
#include "Widget.h"
|
||||
#include "data/MenuItem.h"
|
||||
|
||||
/**
|
||||
* @class Menu
|
||||
* @brief A comprehensive menu widget class for interactive user interfaces
|
||||
* @details This class extends the Widget base class to provide a customizable menu system
|
||||
* with support for various types of interactive menu items. It handles user input
|
||||
* through directional navigation and action buttons, provides visual feedback
|
||||
* through selection highlighting, and supports scrolling for long menu lists.
|
||||
*
|
||||
* The menu system supports four types of menu items:
|
||||
* - Text buttons: Simple selectable text items
|
||||
* - Selection items: Dropdown/list selection with multiple options
|
||||
* - Number inputs: Numeric value adjustment controls
|
||||
* - Toggle items: Boolean on/off switches
|
||||
*
|
||||
* @note Menu items are identified by unique IDs and can be dynamically added
|
||||
* after menu creation.
|
||||
*
|
||||
* @see Widget
|
||||
* @see MenuItem
|
||||
* @see menu_options_t
|
||||
*/
|
||||
class Menu : public Widget
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* @brief Constructs a new Menu instance with the specified configuration
|
||||
* @param options Pointer to menu configuration options structure
|
||||
*
|
||||
* @pre options must not be nullptr and must remain valid for the menu's lifetime
|
||||
* @post Menu is initialized with the provided configuration and ready for item addition
|
||||
*
|
||||
* @note The menu does not take ownership of the options structure and assumes
|
||||
* it remains valid throughout the menu's lifetime.
|
||||
*/
|
||||
explicit Menu(menu_options_t *options);
|
||||
|
||||
/**
|
||||
* @brief Destructor - Cleans up resources when menu is destroyed
|
||||
* @details Properly releases any allocated resources and ensures clean shutdown
|
||||
* of the menu system.
|
||||
*/
|
||||
~Menu() override;
|
||||
|
||||
/**
|
||||
* @brief Adds a text-based menu item (button) to the menu
|
||||
* @param id Unique identifier for this menu item (must be unique within the menu)
|
||||
* @param text Display text shown on the menu item
|
||||
*
|
||||
* @pre id must be unique within this menu instance
|
||||
* @post A new text menu item is added to the menu's item collection
|
||||
*
|
||||
* @note Text items act as buttons and generate selection events when activated
|
||||
*/
|
||||
void addText(uint8_t id, const std::string &text);
|
||||
|
||||
void addTextCounter(uint8_t id, const std::string &text, const uint8_t value);
|
||||
|
||||
/**
|
||||
* @brief Adds a selection menu item (dropdown/list selection) to the menu
|
||||
* @param id Unique identifier for this menu item (must be unique within the menu)
|
||||
* @param text Display text/label for the selection item
|
||||
* @param values Vector of all available options to choose from
|
||||
* @param index Reference to current selected value (will be modified by user interaction)
|
||||
*
|
||||
* @pre id must be unique within this menu instance
|
||||
* @pre values vector must not be empty
|
||||
* @pre value must be one of the strings in the values vector
|
||||
* @post A new selection menu item is added with the specified options
|
||||
*
|
||||
* @note The value parameter is modified directly when the user changes the selection
|
||||
*/
|
||||
void addSelection(uint8_t id, const std::string &text, const std::vector<std::string> &values, int index);
|
||||
|
||||
/**
|
||||
* @brief Adds a toggle/checkbox menu item to the menu
|
||||
* @param id Unique identifier for this menu item (must be unique within the menu)
|
||||
* @param text Display text/label for the toggle item
|
||||
* @param selected Current state of the toggle (true = on/enabled, false = off/disabled)
|
||||
*
|
||||
* @pre id must be unique within this menu instance
|
||||
* @post A new toggle menu item is added with the specified initial state
|
||||
*
|
||||
* @note Toggle state can be changed through user interaction with select button
|
||||
*/
|
||||
void addToggle(uint8_t id, const std::string &text, bool selected);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* @brief Virtual callback method for handling button press events on specific menu items
|
||||
* @param item The menu item that received the button press
|
||||
* @param button The type of button that was pressed
|
||||
*
|
||||
* @details This method can be overridden by derived classes to implement custom
|
||||
* button handling logic for specific menu items. The base implementation
|
||||
* is empty, allowing derived classes to selectively handle events.
|
||||
*
|
||||
* @note Override this method in derived classes to implement custom menu item
|
||||
* interaction behavior beyond the standard navigation and value modification.
|
||||
*/
|
||||
virtual void onButtonPressed(const MenuItem &item, const ButtonType button)
|
||||
{
|
||||
// Base implementation intentionally empty - override in derived classes as needed
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Retrieves a menu item by its index position
|
||||
* @param index Zero-based index of the menu item to retrieve
|
||||
* @return MenuItem object at the specified index
|
||||
*
|
||||
* @pre index must be within valid range [0, getItemCount()-1]
|
||||
* @post Returns a copy of the menu item at the specified position
|
||||
*
|
||||
* @throws std::out_of_range if index is invalid
|
||||
*
|
||||
* @note This method returns a copy of the menu item, not a reference
|
||||
*/
|
||||
MenuItem getItem(int index);
|
||||
|
||||
/**
|
||||
* @brief Gets the total number of menu items in the menu
|
||||
* @return Size of the menu items collection
|
||||
*
|
||||
* @post Returns current count of menu items (>= 0)
|
||||
*
|
||||
* @note This count includes all types of menu items (text, selection, toggle)
|
||||
*/
|
||||
[[nodiscard]] size_t getItemCount() const;
|
||||
|
||||
/**
|
||||
* @brief Dynamically adjusts the number of menu items to the specified size
|
||||
* @param size Target number of menu items the menu should contain
|
||||
*
|
||||
* @details If the target size is larger than current item count, new selection
|
||||
* items are added using the first item's values as template. If the
|
||||
* target size is smaller, excess items are removed from the end.
|
||||
*
|
||||
* @pre size must be > 0 and at least one menu item must exist as template
|
||||
* @post Menu contains exactly 'size' number of items
|
||||
*
|
||||
* @note New items are created as selection items with auto-generated names
|
||||
* in the format "Section X" where X is the item number
|
||||
*/
|
||||
void setItemSize(size_t size);
|
||||
|
||||
/**
|
||||
* @brief Toggles the boolean state of a toggle menu item
|
||||
* @param menuItem The toggle menu item whose state should be flipped
|
||||
*
|
||||
* @pre menuItem must be of type TOGGLE
|
||||
* @post The menu item's value is switched between "true" and "false"
|
||||
*
|
||||
* @details Changes "true" to "false" and "false" to "true" for toggle items.
|
||||
* The modified item replaces the original in the menu's item collection.
|
||||
*
|
||||
* @note This method directly modifies the menu's internal state
|
||||
*/
|
||||
void toggle(const MenuItem &menuItem);
|
||||
|
||||
/**
|
||||
* @brief Changes the selected value of a selection menu item based on button input
|
||||
* @param menuItem The selection menu item to modify
|
||||
* @param button The directional button pressed (LEFT or RIGHT)
|
||||
*
|
||||
* @pre menuItem must be of type SELECTION with valid values array
|
||||
* @post The menu item's selected index is adjusted based on button direction
|
||||
*
|
||||
* @details LEFT button moves to previous option (wraps to end if at beginning),
|
||||
* RIGHT button moves to next option (wraps to beginning if at end).
|
||||
* Other button types are ignored.
|
||||
*
|
||||
* @note The modified item replaces the original in the menu's item collection
|
||||
*/
|
||||
MenuItem switchValue(const MenuItem &menuItem, ButtonType button);
|
||||
|
||||
private:
|
||||
MenuItem replaceItem(int index, const MenuItem &item);
|
||||
|
||||
void render() override;
|
||||
|
||||
void onButtonClicked(ButtonType button) override;
|
||||
|
||||
void onPressedDown();
|
||||
|
||||
void onPressedUp();
|
||||
|
||||
void onPressedLeft() const;
|
||||
|
||||
void onPressedRight() const;
|
||||
|
||||
void onPressedSelect() const;
|
||||
|
||||
void onPressedBack() const;
|
||||
|
||||
void drawScrollBar() const;
|
||||
|
||||
void drawSelectionBox() const;
|
||||
|
||||
void renderWidget(const MenuItem *item, const uint8_t *font, int x, int y) const;
|
||||
|
||||
// Member variables
|
||||
size_t m_selected_item = 0;
|
||||
std::vector<MenuItem> m_items;
|
||||
menu_options_t *m_options;
|
||||
};
|
106
firmware/components/insa/include/common/ScrollBar.h
Normal file
106
firmware/components/insa/include/common/ScrollBar.h
Normal file
@@ -0,0 +1,106 @@
|
||||
/**
|
||||
* @file ScrollBar.h
|
||||
* @brief Vertical scrollbar widget for indicating scroll position in long content
|
||||
* @details This header defines the ScrollBar class which provides a visual scrollbar
|
||||
* widget for indicating the current position within scrollable content.
|
||||
* The scrollbar displays a thumb that moves proportionally to represent
|
||||
* the current scroll position and visible area relative to the total content.
|
||||
* @author System Control Team
|
||||
* @date 2025-06-14
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "MenuOptions.h"
|
||||
#include "Widget.h"
|
||||
|
||||
/**
|
||||
* @class ScrollBar
|
||||
* @brief A vertical scrollbar widget that represents scroll position and range
|
||||
* @details This final class inherits from Widget and provides visual feedback for
|
||||
* scrollable content. It displays a vertical track with a movable thumb
|
||||
* that indicates the current position within a scrollable range. The thumb
|
||||
* size is proportional to the visible area relative to the total content,
|
||||
* and its position reflects the current scroll offset.
|
||||
*
|
||||
* The scrollbar automatically calculates thumb dimensions and position based on
|
||||
* the provided scroll values (current, minimum, maximum). It is designed to be
|
||||
* used alongside scrollable content like menus or lists to provide visual
|
||||
* feedback about scroll state.
|
||||
*
|
||||
* @note This class is marked as final and cannot be inherited from.
|
||||
*
|
||||
* @see Widget
|
||||
* @see menu_options_t
|
||||
*/
|
||||
class ScrollBar final : public Widget
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* @brief Constructs a ScrollBar with specified position and dimensions
|
||||
* @param options Pointer to menu options configuration structure
|
||||
* @param x X coordinate position of the scrollbar on screen
|
||||
* @param y Y coordinate position of the scrollbar on screen
|
||||
* @param width Width of the scrollbar in pixels
|
||||
* @param height Height of the scrollbar in pixels
|
||||
*
|
||||
* @pre options must not be nullptr and must remain valid for the scrollbar's lifetime
|
||||
* @pre width and height must be greater than 0
|
||||
* @pre x and y must be valid screen coordinates
|
||||
* @post ScrollBar is initialized with the specified geometry and ready for use
|
||||
*
|
||||
* @note The scrollbar does not take ownership of the options structure and
|
||||
* assumes it remains valid throughout the scrollbar's lifetime.
|
||||
*/
|
||||
ScrollBar(const menu_options_t *options, size_t x, size_t y, size_t width, size_t height);
|
||||
|
||||
/**
|
||||
* @brief Renders the scrollbar to the screen
|
||||
* @details Overrides the base Widget render method to draw the scrollbar track
|
||||
* and thumb. The appearance is determined by the current scroll state
|
||||
* and the menu options configuration.
|
||||
*
|
||||
* @pre u8g2 display context must be initialized and ready for drawing
|
||||
* @post Scrollbar's visual representation is drawn to the display buffer
|
||||
*
|
||||
* @note This method is called during each frame's render cycle. The scrollbar
|
||||
* track and thumb are drawn based on the current scroll values set by refresh().
|
||||
*/
|
||||
void render() override;
|
||||
|
||||
/**
|
||||
* @brief Updates the scrollbar state with new scroll values
|
||||
* @param value Current scroll position value (must be between min and max)
|
||||
* @param max Maximum scroll value (total content size)
|
||||
* @param min Minimum scroll value (default: 0, typically the start of content)
|
||||
*
|
||||
* @pre value must be between min and max (inclusive)
|
||||
* @pre max must be greater than or equal to min
|
||||
* @post Scrollbar thumb position and size are recalculated based on new values
|
||||
*
|
||||
* @details This method recalculates the thumb's height and vertical position
|
||||
* based on the provided scroll range and current position. The thumb
|
||||
* height represents the proportion of visible content to total content,
|
||||
* while its position represents the current scroll offset within the range.
|
||||
*
|
||||
* @note Call this method whenever the scroll state changes to keep the
|
||||
* scrollbar visualization synchronized with the actual content position.
|
||||
*/
|
||||
void refresh(size_t value, size_t max, size_t min = 0);
|
||||
|
||||
private:
|
||||
// Position and dimensions
|
||||
size_t m_x; ///< X coordinate of the scrollbar's left edge
|
||||
size_t m_y; ///< Y coordinate of the scrollbar's top edge
|
||||
size_t m_width; ///< Width of the scrollbar track in pixels
|
||||
size_t m_height; ///< Height of the scrollbar track in pixels
|
||||
|
||||
// Scroll state values
|
||||
size_t m_value; ///< Current scroll position within the range [m_min, m_max]
|
||||
size_t m_max; ///< Maximum scroll value representing the end of content
|
||||
size_t m_min; ///< Minimum scroll value representing the start of content
|
||||
|
||||
// Calculated thumb properties (updated by refresh())
|
||||
size_t m_thumbHeight; ///< Calculated height of the scroll thumb in pixels
|
||||
size_t m_thumbY; ///< Calculated Y position of the scroll thumb relative to track
|
||||
};
|
168
firmware/components/insa/include/common/Widget.h
Normal file
168
firmware/components/insa/include/common/Widget.h
Normal file
@@ -0,0 +1,168 @@
|
||||
/**
|
||||
* @file Widget.h
|
||||
* @brief Base widget class for UI components in the INSA system
|
||||
* @details This header defines the Widget base class that serves as the foundation
|
||||
* for all UI components in the system. It provides a standardized interface
|
||||
* for rendering, updating, and handling user input using the u8g2 graphics library.
|
||||
* @author System Control Team
|
||||
* @date 2025-06-14
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "u8g2.h"
|
||||
|
||||
#include "common/Common.h"
|
||||
|
||||
/**
|
||||
* @class Widget
|
||||
* @brief Base class for UI widgets that can be rendered and interact with user input
|
||||
* @details This abstract base class provides a common interface for all widgets in the system.
|
||||
* It manages the u8g2 display context and defines the core methods that all widgets
|
||||
* must implement or can override. The class follows the template method pattern,
|
||||
* allowing derived classes to customize behavior while maintaining a consistent
|
||||
* interface for the UI system.
|
||||
*
|
||||
* @note All widgets should inherit from this class to ensure compatibility with
|
||||
* the UI management system.
|
||||
*
|
||||
* @see u8g2_t
|
||||
* @see ButtonType
|
||||
*/
|
||||
class Widget
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* @brief Constructs a widget with the given u8g2 display context
|
||||
* @param u8g2 Pointer to the u8g2 display context used for rendering operations
|
||||
*
|
||||
* @pre u8g2 must not be nullptr
|
||||
* @post Widget is initialized with the provided display context
|
||||
*
|
||||
* @note The widget does not take ownership of the u8g2 context and assumes
|
||||
* it remains valid for the lifetime of the widget.
|
||||
*/
|
||||
explicit Widget(u8g2_t *u8g2);
|
||||
|
||||
/**
|
||||
* @brief Virtual destructor to ensure proper cleanup of derived classes
|
||||
* @details Ensures that derived class destructors are called correctly when
|
||||
* a widget is destroyed through a base class pointer.
|
||||
*/
|
||||
virtual ~Widget() = default;
|
||||
|
||||
/**
|
||||
* @brief Called when the widget becomes active or enters the foreground
|
||||
* @details This method is invoked when the widget transitions from inactive
|
||||
* to active state, such as when it becomes the current screen or
|
||||
* gains focus. Derived classes can override this method to perform
|
||||
* initialization tasks, reset state, or prepare for user interaction.
|
||||
*
|
||||
* @note The base implementation is empty, allowing derived classes to override
|
||||
* only if entry behavior is needed.
|
||||
* @note This method is typically called by the UI management system during
|
||||
* screen transitions or focus changes.
|
||||
*/
|
||||
virtual void enter();
|
||||
|
||||
/**
|
||||
* @brief Called when the widget is temporarily paused or loses focus
|
||||
* @details This method is invoked when the widget needs to suspend its
|
||||
* operations temporarily, such as when another widget takes focus
|
||||
* or the system enters a paused state. Derived classes can override
|
||||
* this method to pause animations, save state, or reduce resource usage.
|
||||
*
|
||||
* @note The base implementation is empty, allowing derived classes to override
|
||||
* only if pause behavior is needed.
|
||||
* @note The widget should be prepared to resume from this state when resume() is called.
|
||||
*/
|
||||
virtual void pause();
|
||||
|
||||
/**
|
||||
* @brief Called when the widget resumes from a paused state
|
||||
* @details This method is invoked when the widget transitions from paused
|
||||
* to active state, typically after a previous pause() call. Derived
|
||||
* classes can override this method to restore animations, reload
|
||||
* resources, or continue interrupted operations.
|
||||
*
|
||||
* @note The base implementation is empty, allowing derived classes to override
|
||||
* only if resume behavior is needed.
|
||||
* @note This method should restore the widget to the state it was in before pause() was called.
|
||||
*/
|
||||
virtual void resume();
|
||||
|
||||
/**
|
||||
* @brief Called when the widget is being destroyed or exits the system
|
||||
* @details This method is invoked when the widget is about to be removed
|
||||
* from the system or transitions to an inactive state permanently.
|
||||
* Derived classes can override this method to perform cleanup tasks,
|
||||
* save final state, or release resources that are not automatically freed.
|
||||
*
|
||||
* @note The base implementation is empty, allowing derived classes to override
|
||||
* only if exit behavior is needed.
|
||||
* @note This method is called before the widget's destructor and provides
|
||||
* an opportunity for controlled shutdown of widget-specific resources.
|
||||
*/
|
||||
virtual void exit();
|
||||
|
||||
/**
|
||||
* @brief Updates the widget's internal state based on elapsed time
|
||||
* @param dt Delta time in milliseconds since the last update call
|
||||
*
|
||||
* @details This method is called once per frame by the UI system to handle
|
||||
* animations, timers, state transitions, or other time-dependent behavior.
|
||||
* The base implementation is empty, allowing derived classes to override
|
||||
* only if time-based updates are needed.
|
||||
*
|
||||
* @note Override this method in derived classes to implement time-based behavior
|
||||
* such as animations, blinking effects, or timeout handling.
|
||||
*/
|
||||
virtual void update(uint64_t dt);
|
||||
|
||||
/**
|
||||
* @brief Renders the widget to the display
|
||||
* @details This method should be overridden by derived classes to implement
|
||||
* their specific rendering logic using the u8g2 display context.
|
||||
* The base implementation is empty, requiring derived classes to
|
||||
* provide their own rendering code.
|
||||
*
|
||||
* @pre u8g2 context must be initialized and ready for drawing operations
|
||||
* @post Widget's visual representation is drawn to the display buffer
|
||||
*
|
||||
* @note This method is called during the rendering phase of each frame.
|
||||
* Derived classes should use the u8g2 member variable to perform
|
||||
* drawing operations.
|
||||
*/
|
||||
virtual void render();
|
||||
|
||||
/**
|
||||
* @brief Handles button press events
|
||||
* @param button The type of button that was pressed
|
||||
*
|
||||
* @details This method is called when a button press event occurs and allows
|
||||
* the widget to respond to user input. The base implementation is empty,
|
||||
* allowing derived classes to override only if input handling is needed.
|
||||
*
|
||||
* @note Override this method in derived classes to implement button-specific
|
||||
* behavior such as navigation, selection, or state changes.
|
||||
*
|
||||
* @see ButtonType for available button types
|
||||
*/
|
||||
virtual void onButtonClicked(ButtonType button);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* @brief Pointer to the u8g2 display context used for rendering operations
|
||||
* @details This member provides access to the u8g2 graphics library functions
|
||||
* for drawing text, shapes, bitmaps, and other UI elements. It is
|
||||
* initialized during construction and remains valid for the widget's lifetime.
|
||||
*
|
||||
* @note This member is protected to allow derived classes direct access while
|
||||
* preventing external modification. Derived classes should use this
|
||||
* context for all rendering operations.
|
||||
*
|
||||
* @warning Do not modify or delete this pointer. The widget does not own
|
||||
* the u8g2 context and assumes it is managed externally.
|
||||
*/
|
||||
u8g2_t *u8g2;
|
||||
};
|
Reference in New Issue
Block a user