一个简单的串口程序。学校的作业了拉。！！ ！！ ！！ ！！1
源代码在线查看： receive.lst
C51 COMPILER V6.23a RECEIVE 04/15/2006 19:32:55 PAGE 1
C51 COMPILER V6.23a, COMPILATION OF MODULE RECEIVE
OBJECT MODULE PLACED IN receive.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE receive.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include
2 unsigned char a[]={0x3f,0x06,0x5b,0x4f,0x66 ,0x6d ,0x7d ,0x07 ,0x7f ,0x6f ,0x77 ,0x7c};
3 unsigned char buf[1];
4 void delay(unsigned char j)
5 {
6 1 unsigned char m,k;
7 1 for(m=0;m 8 1 for(k=0;k 9 1 }
10
11 void Serialinit(void)
12 {
13 1 TMOD = (TMOD & 0x0F) | 0x20; //T1工作方式
14 1 TH1 = -6; //波特率初始值 注意用倍频方式
15 1 PCON |= 0x00; //SMOD = 1
16 1 TR1 = 1;
17 1 SCON = 0x52; //REN = 1
18 1 ES = 1;
19 1 EA = 1; }
20 void RS232_intr( void ) interrupt 4 //注意RI和TI任一位变为1都中断
21 {
22 1
23 1 if( RI == 1 ){ RI=0;buf[0]=SBUF; }
24 1
25 1
26 1 }
27
28
29
30 void display(void) //显示函数
31 {
32 1 P0=a[buf[0]];
33 1 }
34
35
36
37 void main( void )
38 {
39 1 Serialinit();
40 1 buf[0]=9;
41 1 P2_0=0;
42 1 while( 1 ){
43 2 display();
44 2 delay(25);}
45 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 74 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 13 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
C51 COMPILER V6.23a RECEIVE 04/15/2006 19:32:55 PAGE 2
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
