{"id":44662,"date":"2025-06-20T07:32:19","date_gmt":"2025-06-19T23:32:19","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44662.html"},"modified":"2025-06-20T07:32:19","modified_gmt":"2025-06-19T23:32:19","slug":"%e5%a4%9a%e5%88%86%e8%be%a8%e7%8e%87-lcd-%e7%9a%84-gui-%e6%9e%b6%e6%9e%84%e8%ae%be%e8%ae%a1%e4%b8%8e%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44662.html","title":{"rendered":"\u591a\u5206\u8fa8\u7387 LCD \u7684 GUI \u67b6\u6784\u8bbe\u8ba1\u4e0e\u5b9e\u73b0"},"content":{"rendered":"<\/p>\n

1.1\u591a\u5206\u8fa8\u7387\u663e\u793a\u7cfb\u7edf\u7684\u6311\u6218\u4e0e\u89e3\u51b3\u65b9\u6848<\/p>\n

1.1.1 \u5206\u8fa8\u7387\u9002\u914d\u7684\u6838\u5fc3\u95ee\u9898<\/p>\n

\u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u540c\u65f6\u652f\u6301\u4e0d\u540c\u5206\u8fa8\u7387\u7684 LCD\uff08\u5982 240\u00d7160\u3001320\u00d7480 \u7b49\uff09\u9762\u4e34\u4ee5\u4e0b\u6311\u6218\uff1a<\/p>\n<\/p>\n

\u5e03\u5c40\u9002\u914d\uff1a\u540c\u4e00\u754c\u9762\u5143\u7d20\u5728\u4e0d\u540c\u5206\u8fa8\u7387\u4e0b\u9700\u8981\u8c03\u6574\u5927\u5c0f\u548c\u4f4d\u7f6e<\/p>\n

\u5b57\u4f53\u663e\u793a\uff1a\u5c0f\u5206\u8fa8\u7387\u5c4f\u5e55\u9700\u8981\u66f4\u5c0f\u7684\u5b57\u4f53\uff0c\u800c\u5927\u5206\u8fa8\u7387\u9700\u8981\u66f4\u6e05\u6670\u7684\u5b57\u4f53<\/p>\n

\u5185\u5b58\u5360\u7528\uff1a\u9ad8\u5206\u8fa8\u7387\u5c4f\u5e55\u9700\u8981\u66f4\u591a\u663e\u5b58\uff0c\u800c\u4f4e\u5206\u8fa8\u7387\u9700\u8981\u4f18\u5316\u5185\u5b58\u4f7f\u7528<\/p>\n

\u6e32\u67d3\u6027\u80fd\uff1a\u9ad8\u5206\u8fa8\u7387\u5c4f\u5e55\u6e32\u67d3\u538b\u529b\u66f4\u5927\uff0c\u9700\u8981\u4f18\u5316\u6e32\u67d3\u7b97\u6cd5<\/p>\n<\/p>\n

\u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\uff0c \u91c7\u7528\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<\/p>\n

\u62bd\u8c61\u663e\u793a\u63a5\u53e3\uff1a\u5b9a\u4e49\u7edf\u4e00\u7684\u663e\u793a\u64cd\u4f5c\u63a5\u53e3\uff0c\u5c4f\u853d\u5e95\u5c42\u786c\u4ef6\u5dee\u5f02<\/p>\n

\u76f8\u5bf9\u5e03\u5c40\u7cfb\u7edf\uff1a\u4f7f\u7528\u767e\u5206\u6bd4\u6216\u76f8\u5bf9\u5355\u4f4d\u5b9a\u4e49\u754c\u9762\u5143\u7d20\u4f4d\u7f6e\u548c\u5927\u5c0f<\/p>\n

\u5b57\u4f53\u52a8\u6001\u7f29\u653e\uff1a\u6839\u636e\u5c4f\u5e55\u5206\u8fa8\u7387\u52a8\u6001\u8c03\u6574\u5b57\u4f53\u5927\u5c0f<\/p>\n

\u8d44\u6e90\u6309\u9700\u52a0\u8f7d\uff1a\u6839\u636e\u5f53\u524d\u5c4f\u5e55\u5206\u8fa8\u7387\u9009\u62e9\u5408\u9002\u7684\u56fe\u7247\u548c\u5b57\u4f53\u8d44\u6e90<\/p>\n<\/p>\n

1.1.2 \u5355\u8272\u5c4f\u4e0e\u5f69\u5c4f\u7684\u517c\u5bb9\u6027\u8bbe\u8ba1<\/p>\n

\u540c\u65f6\u652f\u6301\u5355\u8272\u5c4f\u548c\u5f69\u5c4f\u65f6\uff0c\u9700\u8981\u89e3\u51b3\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n<\/p>\n

\u989c\u8272\u8868\u793a\uff1a\u5355\u8272\u5c4f\u53ea\u6709\u9ed1\u767d\u4e24\u8272\uff0c\u800c\u5f69\u5c4f\u652f\u6301\u591a\u79cd\u989c\u8272<\/p>\n

\u56fe\u5f62\u6e32\u67d3\uff1a\u5f69\u5c4f\u652f\u6301\u6e10\u53d8\u3001\u9634\u5f71\u7b49\u590d\u6742\u6548\u679c\uff0c\u5355\u8272\u5c4f\u9700\u8981\u7b80\u5316<\/p>\n

\u4ea4\u4e92\u53cd\u9988\uff1a\u5f69\u5c4f\u53ef\u901a\u8fc7\u989c\u8272\u53d8\u5316\u63d0\u4f9b\u53cd\u9988\uff0c\u5355\u8272\u5c4f\u9700\u4f9d\u8d56\u5bf9\u6bd4\u5ea6\u6216\u95ea\u70c1<\/p>\n<\/p>\n

\u89e3\u51b3\u65b9\u6848\u5305\u62ec\uff1a<\/p>\n<\/p>\n

\u989c\u8272\u62bd\u8c61\u5c42\uff1a\u5b9a\u4e49\u989c\u8272\u6620\u5c04\u8868\uff0c\u5c06 RGB \u989c\u8272\u6620\u5c04\u5230\u5355\u8272\u5c4f\u7684\u9ed1\u767d\u503c<\/p>\n

\u6e32\u67d3\u7b56\u7565\u5206\u79bb\uff1a\u4e3a\u5355\u8272\u5c4f\u548c\u5f69\u5c4f\u5206\u522b\u5b9e\u73b0\u4e0d\u540c\u7684\u6e32\u67d3\u7b97\u6cd5<\/p>\n

\u4ea4\u4e92\u53cd\u9988\u7edf\u4e00\uff1a\u4f7f\u7528\u7edf\u4e00\u7684\u4ea4\u4e92\u53cd\u9988\u63a5\u53e3\uff0c\u5e95\u5c42\u6839\u636e\u5c4f\u5e55\u7c7b\u578b\u5b9e\u73b0<\/p>\n<\/p>\n

1.2 \u7edf\u4e00\u663e\u793a\u62bd\u8c61\u5c42\u8bbe\u8ba1<\/p>\n

1.2.1 \u663e\u793a\u63a5\u53e3\u5b9a\u4e49<\/p>\n

\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u7684\u663e\u793a\u63a5\u53e3\uff0c\u5c4f\u853d\u4e0d\u540c\u5206\u8fa8\u7387\u548c\u7c7b\u578b\u7684 LCD \u5dee\u5f02\uff1a<\/p>\n<\/p>\n

c<\/p>\n

\/**<\/p>\n

 * \u663e\u793a\u62bd\u8c61\u5c42\u63a5\u53e3\u5b9a\u4e49<\/p>\n

 * \u652f\u6301\u4e0d\u540c\u5206\u8fa8\u7387\u548c\u7c7b\u578b\u7684LCD<\/p>\n

 *\/<\/p>\n

#ifndef DISPLAY_ABSTRACTION_H<\/p>\n

#define DISPLAY_ABSTRACTION_H<\/p>\n<\/p>\n

#include <stdint.h><\/p>\n

#include <stdbool.h><\/p>\n<\/p>\n

\/* \u989c\u8272\u5b9a\u4e49 – \u91c7\u7528RGB565\u683c\u5f0f *\/<\/p>\n

typedef uint16_t color_t;<\/p>\n<\/p>\n

\/* \u6807\u51c6\u989c\u8272\u5e38\u91cf *\/<\/p>\n

#define COLOR_BLACK       0x0000<\/p>\n

#define COLOR_WHITE       0xFFFF<\/p>\n

#define COLOR_RED         0xF800<\/p>\n

#define COLOR_GREEN       0x07E0<\/p>\n

#define COLOR_BLUE        0x001F<\/p>\n

#define COLOR_YELLOW      0xFFE0<\/p>\n

#define COLOR_CYAN        0x07FF<\/p>\n

#define COLOR_MAGENTA     0xF81F<\/p>\n<\/p>\n

\/* \u663e\u793a\u533a\u57df\u7ed3\u6784\u4f53 *\/<\/p>\n

typedef struct<\/p>\n

{\n <\/p>\n

    uint16_t x;<\/p>\n

    uint16_t y;<\/p>\n

    uint16_t width;<\/p>\n

    uint16_t height;<\/p>\n

} rect_t;<\/p>\n<\/p>\n

\/* \u663e\u793a\u8bbe\u5907\u80fd\u529b\u7ed3\u6784\u4f53 *\/<\/p>\n

typedef struct<\/p>\n

{\n <\/p>\n

    uint16_t width;              \/* \u5c4f\u5e55\u5bbd\u5ea6 *\/<\/p>\n

    uint16_t height;             \/* \u5c4f\u5e55\u9ad8\u5ea6 *\/<\/p>\n

    uint8_t bits_per_pixel;      \/* \u6bcf\u50cf\u7d20\u4f4d\u6570 *\/<\/p>\n

    bool color_support;          \/* \u662f\u5426\u652f\u6301\u5f69\u8272 *\/<\/p>\n

    uint16_t max_font_size;      \/* \u6700\u5927\u652f\u6301\u5b57\u4f53\u5927\u5c0f *\/<\/p>\n

    uint16_t min_font_size;      \/* \u6700\u5c0f\u652f\u6301\u5b57\u4f53\u5927\u5c0f *\/<\/p>\n

} display_capabilities_t;<\/p>\n<\/p>\n

\/* \u663e\u793a\u63a5\u53e3\u51fd\u6570\u6307\u9488\u7ed3\u6784\u4f53 *\/<\/p>\n

typedef struct<\/p>\n

{\n <\/p>\n

    \/* \u57fa\u672c\u64cd\u4f5c *\/<\/p>\n

    void (*init)(void);<\/p>\n

    void (*clear)(color_t color);<\/p>\n

    void (*refresh)(void);<\/p>\n

   <\/p>\n

    \/* \u7ed8\u5236\u57fa\u672c\u56fe\u5f62 *\/<\/p>\n

    void (*draw_pixel)(uint16_t x, uint16_t y, color_t color);<\/p>\n

    void (*draw_line)(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, color_t color);<\/p>\n

    void (*draw_rect)(uint16_t x, uint16_t y, uint16_t width, uint16_t height, color_t color);<\/p>\n

    void (*fill_rect)(uint16_t x, uint16_t y, uint16_t width, uint16_t height, color_t color);<\/p>\n

    void (*draw_circle)(uint16_t x, uint16_t y, uint16_t radius, color_t color);<\/p>\n

    void (*fill_circle)(uint16_t x, uint16_t y, uint16_t radius, color_t color);<\/p>\n

   <\/p>\n

    \/* \u6587\u672c\u7ed8\u5236 *\/<\/p>\n

    void (*set_font_size)(uint8_t size);<\/p>\n

    void (*set_text_color)(color_t color, color_t background);<\/p>\n

    void (*draw_char)(uint16_t x, uint16_t y, char c);<\/p>\n

    void (*draw_string)(uint16_t x, uint16_t y, const char* str);<\/p>\n

   <\/p>\n

    \/* \u56fe\u50cf\u7ed8\u5236 *\/<\/p>\n

    void (*draw_image)(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t* data);<\/p>\n

   <\/p>\n

    \/* \u83b7\u53d6\u663e\u793a\u80fd\u529b *\/<\/p>\n

    void (*get_capabilities)(display_capabilities_t* caps);<\/p>\n

} display_interface_t;<\/p>\n<\/p>\n

\/* \u83b7\u53d6\u5f53\u524d\u663e\u793a\u63a5\u53e3\u5b9e\u4f8b *\/<\/p>\n

display_interface_t* get_display_interface(void);<\/p>\n<\/p>\n

\/* \u8bbe\u7f6e\u5f53\u524d\u663e\u793a\u63a5\u53e3\u5b9e\u4f8b *\/<\/p>\n

void set_display_interface(display_interface_t* display);<\/p>\n<\/p>\n

#endif \/* DISPLAY_ABSTRACTION_H *\/<\/p>\n

1.2.2 \u663e\u793a\u63a5\u53e3\u5b9e\u73b0<\/p>\n

\u4e0b\u9762\u662f\u663e\u793a\u63a5\u53e3\u7684\u57fa\u7840\u5b9e\u73b0\uff0c\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u64cd\u4f5c\u5165\u53e3\uff1a<\/p>\n<\/p>\n

\/**<\/p>\n

 * \u663e\u793a\u62bd\u8c61\u5c42\u5b9e\u73b0<\/p>\n

 *\/<\/p>\n

#include \\”display_abstraction.h\\”<\/p>\n<\/p>\n

\/* \u5f53\u524d\u663e\u793a\u63a5\u53e3\u5b9e\u4f8b *\/<\/p>\n

static display_interface_t* current_display = NULL;<\/p>\n<\/p>\n

\/* \u83b7\u53d6\u5f53\u524d\u663e\u793a\u63a5\u53e3\u5b9e\u4f8b *\/<\/p>\n

display_interface_t* get_display_interface(void)<\/p>\n

{\n <\/p>\n

    return current_display;<\/p>\n

}<\/p>\n<\/p>\n

\/* \u8bbe\u7f6e\u5f53\u524d\u663e\u793a\u63a5\u53e3\u5b9e\u4f8b *\/<\/p>\n

void set_display_interface(display_interface_t* display)<\/p>\n

{\n <\/p>\n

    current_display = display;<\/p>\n

}<\/p>\n<\/p>\n

\/* \u901a\u7528\u7ed8\u5236\u51fd\u6570 – \u4f7f\u7528\u5f53\u524d\u663e\u793a\u63a5\u53e3 *\/<\/p>\n

void display_clear(color_t color)<\/p>\n

{\n <\/p>\n

    if (current_display && current_display->clear)<\/p>\n

    {\n <\/p>\n

        current_display->clear(color);<\/p>\n

    }<\/p>\n

}<\/p>\n<\/p>\n

void display_refresh(void)<\/p>\n

{\n <\/p>\n

    if (current_display && current_display->refresh)<\/p>\n

    {\n <\/p>\n

        current_display->refresh();<\/p>\n

    }<\/p>\n

}<\/p>\n<\/p>\n

void display_draw_pixel(uint16_t x, uint16_t y, color_t color)<\/p>\n

{\n <\/p>\n

    if (current_display && current_display->draw_pixel)<\/p>\n

    {\n <\/p>\n

        current_display->draw_pixel(x, y, color);<\/p>\n

    }<\/p>\n

}<\/p>\n<\/p>\n

\/\/ \u5176\u4ed6\u901a\u7528\u7ed8\u5236\u51fd\u6570\u5b9e\u73b0…<\/p>\n

1.3 \u76f8\u5bf9\u5e03\u5c40\u7cfb\u7edf\u8bbe\u8ba1<\/p>\n

1.3.1 \u5e03\u5c40\u7ba1\u7406\u5668\u8bbe\u8ba1<\/p>\n

\u4e3a\u4e86\u5b9e\u73b0\u8de8\u5206\u8fa8\u7387\u7684 GUI \u9002\u914d\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e00\u4e2a\u76f8\u5bf9\u5e03\u5c40\u7ba1\u7406\u5668\uff1a<\/p>\n

 <\/p>\n

\/**<\/p>\n

 * \u76f8\u5bf9\u5e03\u5c40\u7ba1\u7406\u5668<\/p>\n

 * \u652f\u6301\u57fa\u4e8e\u767e\u5206\u6bd4\u7684\u754c\u9762\u5143\u7d20\u5e03\u5c40<\/p>\n

 *\/<\/p>\n

#ifndef LAYOUT_MANAGER_H<\/p>\n

#define LAYOUT_MANAGER_H<\/p>\n<\/p>\n

#include \\”display_abstraction.h\\”<\/p>\n<\/p>\n

\/* \u5bf9\u9f50\u65b9\u5f0f\u679a\u4e3e *\/<\/p>\n

typedef enum<\/p>\n

{\n <\/p>\n

    ALIGN_LEFT,<\/p>\n

    ALIGN_CENTER,<\/p>\n

    ALIGN_RIGHT,<\/p>\n

    ALIGN_TOP,<\/p>\n

    ALIGN_MIDDLE,<\/p>\n

    ALIGN_BOTTOM<\/p>\n

} alignment_t;<\/p>\n<\/p>\n

\/* \u76f8\u5bf9\u4f4d\u7f6e\u7ed3\u6784\u4f53 *\/<\/p>\n

typedef struct<\/p>\n

{\n <\/p>\n

    float x_percent;     \/* X\u5750\u6807\u767e\u5206\u6bd4 (0.0-1.0) *\/<\/p>\n

    float y_percent;     \/* Y\u5750\u6807\u767e\u5206\u6bd4 (0.0-1.0) *\/<\/p>\n

    float width_percent; \/* \u5bbd\u5ea6\u767e\u5206\u6bd4 (0.0-1.0) *\/<\/p>\n

    float height_percent; \/* \u9ad8\u5ea6\u767e\u5206\u6bd4 (0.0-1.0) *\/<\/p>\n

    alignment_t h_align; \/* \u6c34\u5e73\u5bf9\u9f50\u65b9\u5f0f *\/<\/p>\n

    alignment_t v_align; \/* \u5782\u76f4\u5bf9\u9f50\u65b9\u5f0f *\/<\/p>\n

} relative_position_t;<\/p>\n<\/p>\n

\/* GUI\u5143\u7d20\u57fa\u7c7b *\/<\/p>\n

typedef struct gui_element<\/p>\n

{\n <\/p>\n

    char* id;                      \/* \u5143\u7d20ID *\/<\/p>\n

    relative_position_t position;  \/* \u76f8\u5bf9\u4f4d\u7f6e *\/<\/p>\n

    bool visible;                  \/* \u662f\u5426\u53ef\u89c1 *\/<\/p>\n

   <\/p>\n

    \/* \u7ed8\u5236\u51fd\u6570 *\/<\/p>\n

    void (*draw)(struct gui_element* element);<\/p>\n

   <\/p>\n

    \/* \u4e8b\u4ef6\u5904\u7406\u51fd\u6570 *\/<\/p>\n

    bool (*handle_event)(struct gui_element* element, void* event);<\/p>\n

   <\/p>\n

    \/* \u5e03\u5c40\u8ba1\u7b97\u51fd\u6570 *\/<\/p>\n

    void (*calculate_layout)(struct gui_element* element, rect_t* parent_rect);<\/p>\n

   <\/p>\n

    \/* \u5b9e\u9645\u5c4f\u5e55\u4f4d\u7f6e *\/<\/p>\n

    rect_t screen_rect;<\/p>\n

   <\/p>\n

    \/* \u6307\u5411\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u6307\u9488 *\/<\/p>\n

    struct gui_element* next;<\/p>\n

} gui_element_t;<\/p>\n<\/p>\n

\/* \u5e03\u5c40\u7ba1\u7406\u5668 *\/<\/p>\n

typedef struct<\/p>\n

{\n <\/p>\n

    gui_element_t* elements;       \/* \u5143\u7d20\u94fe\u8868 *\/<\/p>\n

    display_interface_t* display;  \/* \u663e\u793a\u63a5\u53e3 *\/<\/p>\n

    rect_t root_rect;              \/* \u6839\u533a\u57df *\/<\/p>\n

} layout_manager_t;<\/p>\n<\/p>\n

\/* \u521d\u59cb\u5316\u5e03\u5c40\u7ba1\u7406\u5668 *\/<\/p>\n

void layout_manager_init(layout_manager_t* manager, display_interface_t* display);<\/p>\n<\/p>\n

\/* \u6dfb\u52a0GUI\u5143\u7d20 *\/<\/p>\n

void layout_manager_add_element(layout_manager_t* manager, gui_element_t* element);<\/p>\n<\/p>\n

\/* \u79fb\u9664GUI\u5143\u7d20 *\/<\/p>\n

void layout_manager_remove_element(layout_manager_t* manager, gui_element_t* <\/p>\n","protected":false},"excerpt":{"rendered":"

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