archive: homework4 test1

2025-04-12 23:28:07 +08:00
parent 9649e516b6
commit ba27e81369
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+// homework4.h
+
+/*
+ * this file defines the pin numbers for the LED and 38 transistors.
+ */
+
+#include <REG52.H>
+
+sbit ADDR0 = P1 ^ 0;
+sbit ADDR1 = P1 ^ 1;
+sbit ADDR2 = P1 ^ 2;
+sbit ADDR3 = P1 ^ 3;
+sbit ENLED = P1 ^ 4;
+
+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;