archieve: homework7 test2

2025-05-25 00:13:04 +08:00
parent 1b64a5df5b
commit 3b682e993c
4 changed files with 58 additions and 12 deletions
@@ -0,0 +1,36 @@
+/*
+ * @name: test2.c
+ * @author: msksbr
+ * @date: 2025-05-24
+ * @description: a test for homework7's homework tests
+ * @version: 1.0
+ * homework zh_CN: 点阵显示心形图形
+ * homework EN: display a heart shape on the led matrix
+ */
+
+#include "homework7.h"
+
+void test2()
+{
+    unsigned char i; // @var i: a counter for the loop
+    unsigned char code heart[] = {
+        0x00, 0x66, 0xFF, 0xFF,
+        0xFF, 0x7E, 0x3C, 0x18};
+    // @subsection: display a heart shape on the led matrix
+    while (1) // @loop: display the heart shape on the led matrix
+    {
+        for (i = 8; i > 0; i--) // @loop: display the heart shape on the led matrix
+        {
+            switch_138(i);  // switch the 74HC138's address to i
+            P2 = ~heart[i]; // display the heart shape on the led matrix
+            delay_ms(1);
+            P2 = 0xFF; // turn off the led matrix
+        }
+        i = 8;
+    }
+}
+
+void main()
+{
+    test2();
+}