archieve: homework5 test1

2025-04-23 14:15:34 +08:00
parent 0e7cdd870b
commit 10051c6a18
6 changed files with 139 additions and 46 deletions
@@ -0,0 +1,63 @@
+// test1.c
+// 数码管动态显示自己学号后6位
+// display the last 6 digits of your student ID on the Seg.
+
+#include "homework5.h"
+
+unsigned char code LedChar[] = {
+    0xC0,
+    0xF9,
+    0XA4,
+    0XB0,
+    0X99,
+    0X92,
+    0X82,
+    0XF8,
+    0X80,
+    0X90,
+    0X88,
+    0X83,
+    0XC6,
+    0XA1,
+    0X86,
+    0X8E,
+};
+unsigned char LedBuff[6] = {
+    0xFF, 0XFF, 0XFF, 0XFF, 0XFF, 0XFF};
+unsigned char i = 0;
+
+void test1()
+{
+    // display the number on the Seg.
+    LedBuff[5] = LedChar[1];
+    LedBuff[4] = LedChar[3];
+    LedBuff[3] = LedChar[0];
+    LedBuff[2] = LedChar[0];
+    LedBuff[1] = LedChar[7];
+    LedBuff[0] = LedChar[1];
+    while (1) {
+        /*
+         * seg id on 38 transistors:
+         * Y0: LEDS0 the latest digit.
+         * Y1: LEDS1 the second digit.
+         * Y2: LEDS2 the third digit.
+         * Y3: LEDS3 the forth digit.
+         * Y4: LEDS4 the fifth digit.
+         * Y5: LEDS5 the highest digit.
+         * Y6: 2LED to the LED lights.
+         */
+        set38Transistors(i);
+        P2 = LedBuff[i];
+        i++;
+        timer(1);
+        // reset the i to 0 when it reaches 6.
+        if (i >= 6) {
+            i = 0;
+        }
+    }
+}
+
+void main()
+{
+    test1();
+}