標題: 51單片機lcd128*64c語言顯示程序 [打印本頁]

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作者: hongniu    時間: 2015-6-23 18:51
標題: 51單片機lcd128*64c語言顯示程序

1. #include<reg51.h>
   
2. #define uint unsigned int;
   
3. #define uchar unsigned char;
   
4. sbit rs=P1^0;//并行模式下為指令數(shù)據(jù)選擇信H/L=指令/數(shù)據(jù)
   
5. sbit rw=P1^1;//并行的讀寫信號H/L=讀/寫
   
6. sbit e=P1^2; //并行下的使能信號
   
7.    unsigned char f;
   
8. uchar d1,d2;//數(shù)據(jù)緩沖
   
9. unsigned char i,j;
   
10. 
    
11. 
    
12. uint code tab[]={ 0xd6d0,0xbdbb,0xd2bb,0xbabd,0xbed6,0x2000,0x04,0x04,
    
13.                   0xa3ba,0xc4d0,0x0d0a,0xd6b0,0xd2b5,0xa3ba,0xb5e7,0xb9a4,
    
14.      0x0d0a,0xb5a5,0xcebb,0xa3ba,0xd6d0,0xbdbb,0xd2bb,0xbabd,
    
15.      0xbed6,0xbef9,0xceb0,0xcdf2,0xcbea,0xa3a1,0x2020,0x2020,              };
    
16. 
    
17. 
    
18. 
    
19. 
    
20. 
    
21. void delay4_6ms()//
    
22. {
    
23. unsigned char av,bv;
    
24.     for(bv=12;bv>0;bv--)
    
25.         for(av=175;av>0;av--);
    
26. 
    
27. }
    
28. void delay(void)
    
29. {
    
30.      ;;;
    
31. 
    
32. }
    
33. void writedate(unsigned int a)//寫數(shù)據(jù)
    
34. {
    
35.    d2=a;
    
36.    CY=0;
    
37.    a=(a>>8);
    
38.    d1=a;
    
39. 
    
40. 
    
41. 
    
42. 
    
43. f=1;
    
44. for(i=0;i<2;i++)
    
45. {
    
46.    delay4_6ms();
    
47.       rs=1;
    
48.     delay();
    
49.     rw=0;
    
50.    delay();
    
51.    e=1;
    
52.    delay();
    
53.   if(f)
    
54.   {
    
55.    P0=d1;
    
56.     f=0;
    
57.   
    
58.   }
    
59.   else P0=d2;
    
60. delay();
    
61. e=0;
    
62. delay();
    
63. 
    
64. 
    
65. 
    
66. 
    
67.   }
    
68. 
    
69. }
    
70. 
    
71. void writectrl(unsigned char ds)//寫指令
    
72. {
    
73.   rs=0;
    
74.    delay();
    
75.     rw=0;
    
76.   delay();
    
77.    e=1;
    
78.    delay();
    
79. P0=ds;
    
80. delay();
    
81. e=0;
    
82.    delay();
    
83. 
    
84. }
    
85. 
    
86. void main()
    
87. {
    
88. 
    
89.   writectrl(0x01);//寫指令
    
90.   delay4_6ms();
    
91.    writectrl(0x02);//寫指令
    
92.   delay4_6ms();
    
93.      writectrl(0x0f);//寫指令
    
94.   delay4_6ms();
    
95.    writectrl(0x80);//寫指令
    
96. 
    
97. 
    
98. 
    
99. 
    
100. 
     
101.   delay4_6ms();
     
102.   for(j=0;j<32;j++)
     
103. 
     
104.   writedate(tab[j]);//寫數(shù)據(jù)
     
105. 
     
106. 
     
107.   delay4_6ms();
     
108. 
     
109. 
     
110.   
     
111. 
     
112. 
     
113. 
     
114. 
     
115. while(1);
     
116. 
     
117. }

復制代碼

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