标题: lcd1602+单片机万年历程序 不过好像日期不显示 [打印本页]

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作者: hongniu    时间: 2015-6-24 01:19
标题: lcd1602+单片机万年历程序 不过好像日期不显示

1. #include <reg51.h>
   
2. #include<absacc.h>
   
3. #include<intrins.h>
   
4. #define uint unsigned int
   
5. #define uchar unsigned char
   
6. sbit T_CLK=P1^3;
   
7. sbit T_RST=P1^2;
   
8. sbit T_IO=P1^4;
   
9. sbit RS=P1^7;
   
10. sbit RW=P1^6;
    
11. sbit EN=P1^5;
    
12. sbit ACC7=ACC^7;
    
13. sbit ACC0=ACC^0;
    
14. uchar datechar[]={"DATE:"};
    
15. uchar timechar[]={"TIME:"};
    
16. uchar datebuffer[10]={0x32,0x30,0,0,0x2d,0,0,0x2d,0,0};
    
17. uchar timebuffer[8]= {0,0,0x3a,0,0,0x3a,0,0};
    
18. uchar weekbuffer={0x30};
    
19. void WriteB(uchar ucDa)
    
20. {
    
21. uchar i;
    
22. ACC=ucDa;
    
23. for(i=8;i>0;i--)
    
24. {
    
25. T_IO=ACC0;
    
26. T_CLK=1;
    
27. T_CLK=0;
    
28. ACC=ACC>>1;
    
29. }
    
30. }
    
31. uchar ReadB(void)
    
32. {
    
33. uchar i;
    
34. for(i=8;i>0;i--)
    
35. {
    
36. ACC=ACC>>1;
    
37. ACC7=T_IO;
    
38. T_CLK=1;
    
39. T_CLK=0;
    
40. }
    
41. return(ACC);
    
42. }
    
43. void v_W1302(uchar ucAddr,uchar ucDa)
    
44. {
    
45. T_RST=0;
    
46. T_CLK=0;
    
47. _nop_();_nop_();_nop_();
    
48. T_RST=1;
    
49. _nop_();_nop_();_nop_();
    
50. WriteB(ucAddr);
    
51. WriteB(ucDa);
    
52. T_CLK=1;
    
53. T_RST=0;
    
54. }
    
55. uchar uc_R1302(uchar ucAddr)
    
56. {
    
57. uchar ucDa=0;
    
58. T_RST=0;T_CLK=0;
    
59. T_RST=1;
    
60. WriteB(ucAddr);
    
61. ucDa=ReadB();
    
62. T_RST=1;T_CLK=0;
    
63. return(ucDa);
    
64. }
    
65. //查忙函数
    
66. void wait()
    
67. {
    
68. P2=0xff;
    
69. RS=0;
    
70. RW=1;
    
71. EN=1;
    
72. EN=0;
    
73. while(P2&0x80)
    
74. {
    
75. EN=0;
    
76. EN=1;
    
77. }
    
78. }
    
79. void wc51com(uchar j)
    
80. {
    
81. wait();
    
82. EN=0;
    
83. RS=0;
    
84. RW=0;
    
85. EN=1;
    
86. P2=j;
    
87. EN=0;
    
88. }
    
89. void wc51ddr(uchar j)
    
90. {
    
91. wait();
    
92. EN=0;
    
93. RS=1;
    
94. RW=0;
    
95. EN=1;
    
96. P2=j;
    
97. EN=0;
    
98. }
    
99. void init()
    
100. {
     
101. wc51com(0x01);
     
102. wc51com(0x38);
     
103. wc51com(0x0c);
     
104. wc51com(0x06);
     
105. }
     
106. void delay(uint i)
     
107. {
     
108. uint y,j;
     
109. for(j=0;j<i;j++){
     
110. for(y=0;y<0xff;y--) {;}
     
111. }
     
112. }
     
113. void main(void)
     
114. {
     
115. uchar i;
     
116. uchar data temp;
     
117. delay(10);
     
118. init();
     
119. wc51com(0x80);
     
120. for(i=0;i<5;i++) wc51ddr(datechar );
     
121. wc51com(0xc0);
     
122. for(i=0;i<5;i++) wc51ddr(timechar );
     
123. v_W1302(0x8e,0);
     
124. v_W1302(0x8c,0x15);
     
125. v_W1302(0x8a,0x06);
     
126. v_W1302(0x88,0x06);
     
127. v_W1302(0x86,0x13);
     
128. v_W1302(0x84,0x10);
     
129. v_W1302(0x82,0x49);
     
130. v_W1302(0x80,0x30);
     
131. v_W1302(0x8e,0x80);
     
132. while(1)
     
133. {temp=
     
134. uc_R1302(0x8d);
     
135. datebuffer[2]=0x30+temp/16;datebuffer[3]=0x30+temp%16;
     
136. temp=uc_R1302(0x8b);
     
137. weekbuffer=0x30+temp;
     
138. temp=
     
139. uc_R1302(0x89);
     
140. datebuffer[5]=0x30+temp/16;datebuffer[6]=0x30+temp%16;
     
141. temp=
     
142. uc_R1302(0x87);
     
143. datebuffer[8]=0x30+temp/16;datebuffer[9]=0x30+temp%16;
     
144. temp=
     
145. uc_R1302(0x85);
     
146. temp=temp&0x7f;
     
147. timebuffer[0]=0x30+temp/16;timebuffer[1]=0x30+temp%16;
     
148. temp=
     
149. uc_R1302(0x83);
     
150. timebuffer[3]=0x30+temp/16;timebuffer[4]=0x30+temp%16;
     
151. temp=
     
152. uc_R1302(0x81);
     
153. temp=temp&0x7f;
     
154. timebuffer[6]=0x30+temp/16;timebuffer[7]=0x30+temp%16;
     
155. wc51com(0x85);
     
156. for(i=0;i<8;i++)wc51ddr(datebuffer);
     
157. wc51com(0xc5);
     
158. for(i=0;i<8;i++)wc51ddr(timebuffer);
     
159. wc51ddr(0x20);
     
160. wc51ddr(weekbuffer);
     
161. }
     
162. }

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作者: lxa0    时间: 2015-6-24 19:35

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