初始提交：龙芯2K0300智能车卖家Demo完整代码

key_demo/CMakeLists.txt

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+# demo1
+add_executable(key_demo key_demo.cpp)
+
+# 链接库
+target_link_libraries(key_demo common_lib)

key_demo/key_demo.cpp

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+/*
+ * @Author: Ilikara 3435193369@qq.com
+ * @Date: 2025-01-26 17:00:24
+ * @LastEditors: ilikara 3435193369@qq.com
+ * @LastEditTime: 2025-03-10 14:23:16
+ * @FilePath: /2k300_smartcar/jy62_demo/jy62_demo.cpp
+ * @Description:
+ *
+ * Copyright (c) 2025 by ${git_name_email}, All Rights Reserved.
+ */
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <unistd.h>
+
+#include "GPIO.h"
+
+using namespace std;
+
+GPIO keys[9] = {
+    GPIO(0),
+    GPIO(3),
+    GPIO(1),
+    GPIO(2),
+    GPIO(27),
+    GPIO(17),
+    GPIO(16),
+    GPIO(15),
+    GPIO(14)};
+
+string keysName[9] = {
+    "Down",
+    "Left",
+    "Up",
+    "OK",
+    "Right",
+    "SW1",
+    "SW2",
+    "SW3",
+    "SW4"};
+
+
+void draw_interface()
+{
+    cout << "\033[H\033[J";
+
+    for (size_t i = 0; i < 9; ++i)
+    {
+        string status = keys[i].readValue() ? "HIGH" : "LOW";
+        printf("│ GPIO %-7s │ %-9s │\n", keysName[i].c_str(), status.c_str());
+    }
+}
+
+int main()
+{
+    for (size_t i = 0; i < 9; ++i)
+    {
+        keys[i].setDirection("in");
+    }
+
+    while (true)
+    {
+        draw_interface();
+        usleep(100000);     // 100ms刷新间隔
+        cout << "\033[13A"; // 将光标移动到界面起始位置
+    }
+    return 0;
+}