完成：实验三 第一题

homework3/homework3.code-workspace

@@ -1,44 +1,45 @@
 {
-    "folders": [
+  "folders": [
-        {
+    {
-            "path": "."
+      "path": "."
-        }
-    ],
-    "settings": {
-        "files.autoGuessEncoding": true,
-        "C_Cpp.default.configurationProvider": "cl.eide",
-        "C_Cpp.errorSquiggles": "disabled",
-        "files.associations": {
-            ".eideignore": "ignore",
-            "*.a51": "a51",
-            "*.h": "c",
-            "*.c": "c",
-            "*.hxx": "cpp",
-            "*.hpp": "cpp",
-            "*.c++": "cpp",
-            "*.cpp": "cpp",
-            "*.cxx": "cpp",
-            "*.cc": "cpp"
-        },
-        "[yaml]": {
-            "editor.insertSpaces": true,
-            "editor.tabSize": 4,
-            "editor.autoIndent": "advanced"
-        }
-    },
-    "extensions": {
-        "recommendations": [
-            "cl.eide",
-            "keroc.hex-fmt",
-            "xiaoyongdong.srecord",
-            "hars.cppsnippets",
-            "zixuanwang.linkerscript",
-            "redhat.vscode-yaml",
-            "IBM.output-colorizer",
-            "cschlosser.doxdocgen",
-            "ms-vscode.vscode-serial-monitor",
-            "alefragnani.project-manager",
-            "cl.stm8-debug"
-        ]
     }
+  ],
+  "settings": {
+    "files.autoGuessEncoding": true,
+    "C_Cpp.default.configurationProvider": "cl.eide",
+    "C_Cpp.errorSquiggles": "disabled",
+    "files.associations": {
+      ".eideignore": "ignore",
+      "*.a51": "a51",
+      "*.h": "c",
+      "*.c": "c",
+      "*.hxx": "cpp",
+      "*.hpp": "cpp",
+      "*.c++": "cpp",
+      "*.cpp": "cpp",
+      "*.cxx": "cpp",
+      "*.cc": "cpp",
+      "REG52.H": "cpp"
+    },
+    "[yaml]": {
+      "editor.insertSpaces": true,
+      "editor.tabSize": 4,
+      "editor.autoIndent": "advanced"
+    }
+  },
+  "extensions": {
+    "recommendations": [
+      "cl.eide",
+      "keroc.hex-fmt",
+      "xiaoyongdong.srecord",
+      "hars.cppsnippets",
+      "zixuanwang.linkerscript",
+      "redhat.vscode-yaml",
+      "IBM.output-colorizer",
+      "cschlosser.doxdocgen",
+      "ms-vscode.vscode-serial-monitor",
+      "alefragnani.project-manager",
+      "cl.stm8-debug"
+    ]
+  }
 }

homework3/src/homework3.h

@@ -0,0 +1,29 @@
+// homework3.h
+// 这个文件是用来存放本实验中用到的宏定义和函数的
+#include <REG52.H>
+
+#define true  1
+#define false 0
+
+unsigned int i = 0;
+
+sbit D1 = P2 ^ 7;
+sbit D2 = P2 ^ 6;
+sbit D3 = P2 ^ 5;
+sbit D4 = P2 ^ 4;
+sbit D5 = P2 ^ 3;
+sbit D6 = P2 ^ 2;
+sbit D7 = P2 ^ 1;
+sbit D8 = P2 ^ 0;
+
+sbit ADDR0=P1^0;
+sbit ADDR1=P1^1;
+sbit ADDR2=P1^2;
+sbit ADDR3=P1^3;
+sbit ENLED=P1^4;
+
+
+void Delay(unsigned int t)
+{
+    while (t--);
+}

homework3/src/test1.c

@@ -0,0 +1,28 @@
+// test1.c
+// 左向流水灯
+#include "homework3.h"
+
+unsigned char cnt = 0;
+
+void test1()
+{
+    ENLED = 0;
+    ADDR3 = 1;
+    ADDR2 = 1;
+    ADDR1 = 1;
+    ADDR0 = 0;
+
+    while (true) {
+        P2 = ~(0x80 >> cnt);
+        Delay(20000);
+        cnt++;
+        if (cnt >= 8) {
+            cnt = 0;
+        }
+    }
+}
+
+void main()
+{
+    test1();
+}