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STM32F4-Base/simulator/main.c
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2026-08-31 17:09:59 +08:00

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/**
* @file main.c
* @brief LVGL 模拟器入口 — 160x160 1bpp 单色菜单 UI
* @note 基于 lv_port_pc_vscode 适配,用于 PC 上 UI 开发与调试
*
* 键盘映射:
* ↑/↓/←/→ → 方向键导航
* Enter → 确认/进入
* Escape → 返回
*/
#include <stdlib.h>
#include <stdio.h>
#ifdef _MSC_VER
#include <Windows.h>
#else
#include <unistd.h>
#endif
#define SDL_MAIN_HANDLED
#include <SDL.h>
#include "lvgl.h"
#include "sim_port.h"
#include "ui_menu.h"
/* 屏幕尺寸(与 MCU 端一致) */
#define SIM_SCREEN_W 160
#define SIM_SCREEN_H 160
/**
* @brief 程序入口
*/
int main(int argc, char **argv)
{
(void)argc;
(void)argv;
/* 初始化 SDL2(仅 timer + events,视频由 lv_sdl_window 内部初始化) */
if (SDL_Init(SDL_INIT_TIMER | SDL_INIT_EVENTS) != 0) {
fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
return 1;
}
/* 初始化 LVGL */
lv_init();
/* 初始化模拟器端口:创建 SDL 窗口 + 键盘输入 */
if (sim_port_init(SIM_SCREEN_W, SIM_SCREEN_H) != 0) {
fprintf(stderr, "sim_port_init failed\n");
SDL_Quit();
return 1;
}
/* 设置 SDL 窗口标题 */
lv_display_t *disp = lv_display_get_default();
if (disp != NULL) {
lv_sdl_window_set_title(disp, "STM32F4-Base UI Simulator (160x160 1bpp)");
}
/* 构建菜单 UI(与 MCU 端共用 ui_menu.c) */
if (ui_menu_init() != 0) {
fprintf(stderr, "ui_menu_init failed\n");
SDL_Quit();
return 1;
}
printf("=== LVGL Simulator Started ===\n");
printf("Screen: %dx%d 1bpp\n", SIM_SCREEN_W, SIM_SCREEN_H);
printf("Keyboard: ↑↓←→ navigate, Enter confirm, Escape back\n");
printf("Press Ctrl+C or close window to exit\n\n");
/* 主循环:处理 SDL 事件 + 驱动 LVGL 刷新 */
while (1) {
/* 处理 SDL 事件(窗口关闭等) */
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT) {
printf("SDL_QUIT received, exiting...\n");
SDL_Quit();
return 0;
}
if (event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE) {
/* Escape 键:如果在子页面则返回上一级 */
/* LVGL keyboard 驱动已自动处理 LV_KEY_ESC */
}
}
/* 驱动 LVGL 定时器与刷新 */
uint32_t sleep_ms = lv_timer_handler();
if (sleep_ms == LV_NO_TIMER_READY) {
sleep_ms = LV_DEF_REFR_PERIOD;
}
/* 强制整屏刷新(1bpp SDL PARTIAL 模式下保证首帧输出) */
lv_refr_now(NULL);
#ifdef _MSC_VER
Sleep(sleep_ms);
#else
usleep(sleep_ms * 1000);
#endif
}
return 0;
}