archieve: homework7 test3

2025-05-25 00:37:27 +08:00
parent 3b682e993c
commit 420ae95641
4 changed files with 58 additions and 3 deletions
@@ -21,7 +21,7 @@ void test2()
    {
        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
+            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