stmpe610.hpp

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2026 Chris Leishman
 
#pragma once
 
#include <idfxx/error>
#include <idfxx/lcd/touch>
#include <idfxx/panel_io>
 
namespace idfxx::lcd {
 
class stmpe610 : public touch {
public:
#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
    [[nodiscard]] explicit stmpe610(idfxx::panel_io& panel_io, config config);
#endif
 
    [[nodiscard]] static result<stmpe610> make(idfxx::panel_io& panel_io, config config);
 
    ~stmpe610();
 
    stmpe610(const stmpe610&) = delete;
    stmpe610& operator=(const stmpe610&) = delete;
    stmpe610(stmpe610&& other) noexcept;
    stmpe610& operator=(stmpe610&& other) noexcept;
 
private:
    stmpe610() = default;
 
    // lcd::touch customization hooks.
    [[nodiscard]] esp_lcd_touch_handle_t do_idf_handle() const override;
 
    struct callback_state {
        process_coordinates_callback process_coordinates;
    };
 
    stmpe610(esp_lcd_touch_handle_t handle, std::unique_ptr<callback_state> callbacks);
 
    static void process_coordinates(
        esp_lcd_touch_handle_t tp,
        uint16_t* x,
        uint16_t* y,
        uint16_t* strength,
        uint8_t* point_num,
        uint8_t max_point_num
    );
 
    esp_lcd_touch_handle_t _handle = nullptr;
    std::unique_ptr<callback_state> _callbacks; // heap-stable state for ESP-IDF callbacks
};
 
} // namespace idfxx::lcd