51单片机红外遥控解码程序 用1602液晶屏显示

1. #include<reg52.h>
   
2. #include<intrins.h>
   
3. #define uchar unsigned char
   
4. #define uint unsigned int
   
5. sbit lcden = P2^7;
   
6. sbit lcdrs = P2^6;
   
7. sbit lcdwr = P2^5;
   
8. sbit IR = P3^2;
   
9. uchar IRCOM[6];//数组，用于存储红外编码
   
10. uchar code table1[] = "remote control";
    
11. uchar code table2[] = "CODE:";
    
12. void delayms(uchar x)// 延时x*0.14ms
    
13. {
    
14. uchar i;
    
15. while(x--)
    
16. for(i=0;i<13;i++){}
    
17. }
    
18. void delay(uchar x) //延时xms
    
19. {
    
20. uchar i,j;
    
21. for(i=x;i>0;i--)
    
22. for(j=110;j>0;j--);
    
23. }
    
24. /****************************LCD部分***********************************************/
    
25. void write_com(uchar com)
    
26. {
    
27. lcden = 0;
    
28. lcdrs = 0;
    
29. lcdwr = 0;
    
30. P0 = com;
    
31. delay(5);
    
32. lcden = 1;
    
33. delay(5);
    
34. lcden = 0; //别忘了lcden拉低
    
35. }
    
36. void write_date(uchar date)
    
37. {
    
38. lcden = 0;
    
39. lcdrs = 1;
    
40. lcdwr = 0;
    
41. P0 = date;
    
42. delay(5);
    
43. lcden = 1;
    
44. delay(5);
    
45. lcden = 0;
    
46. }
    
47. void lcd_init(void)
    
48. {
    
49. lcden = 0;
    
50. lcdrs = 0;
    
51. lcdwr = 0;
    
52. delay(5);
    
53. write_com(0x38);
    
54. write_com(0x0c);
    
55. write_com(0x06);
    
56. write_com(0x01);
    
57. }
    
58. /*****************main()************************/
    
59. void main(void)
    
60. {
    
61. uchar count=0;
    
62. IR = 1;
    
63. lcd_init();
    
64. write_com(0x80);
    
65. while(table1[count]!='\0')
    
66. {
    
67. write_date(table1[count]);
    
68. count++;
    
69. delay(5);
    
70. }
    
71. count = 0;
    
72. write_com(0x80+0x40);
    
73. while(table2[count]!='\0')
    
74. {
    
75. write_date(table2[count]);
    
76. count++;
    
77. delay(5);
    
78. }
    
79. IE = 0x81; //开中断
    
80. TCON = 0x01;//脉冲负边沿触发
    
81. while(1);
    
82. }
    
83. /*********************红外中断**************************/
    
84. void IR_time() interrupt 0
    
85. {
    
86. uchar i,j,TimeNum=0;//TimeNum用来计IR高电平次数 从而判断是0还是1
    
87. EX0 = 0; //关闭中断
    
88. delayms(5);
    
89. if(1 == IR)
    
90. {
    
91. EX0 = 1;
    
92. return;
    
93. }
    
94. while(!IR) //跳过9ms前导低电平
    
95. delayms(1);
    
96. for(i=0;i<4;i++)
    
97. {
    
98. for(j=0;j<8;j++)
    
99. {
    
100. while(IR) //跳过4.5ms的前导高电平
     
101. delayms(1);
     
102. while(!IR) //跳过0.56ms的低电平
     
103. delayms(1);
     
104. while(IR)
     
105. {
     
106. TimeNum++; //计时高电平时间从而判断读取的是0还是1
     
107. delayms(1);
     
108. }
     
109. if(TimeNum>=30)//按键按下时间过长 跳过
     
110. {
     
111. EX0 = 1;
     
112. return;
     
113. }
     
114. IRCOM[i] = IRCOM[i]>>1;
     
115. if(TimeNum >= 8) //8*0.14ms 这时读取的是1；
     
116. {
     
117. IRCOM[i] = IRCOM[i]|0x80;
     
118. }
     
119. TimeNum = 0;
     
120. }
     
121. }
     
122. if(IRCOM[2]!=~IRCOM[3])//判断八位数据和八位数据反码是否相等
     
123. {
     
124. EX0 = 1;
     
125. return;
     
126. }
     
127. IRCOM[4] = IRCOM[2]&0x0f;//取低四位
     
128. IRCOM[5] = IRCOM[2]>>4; //IRCOM[5]取IRCOM[2]高四位
     
129. if(IRCOM[4] > 9) //转换成字符
     
130. {
     
131. IRCOM[4] = IRCOM[4] + 0x37;
     
132. }
     
133. else
     
134. IRCOM[4] = IRCOM[4] + 0x30;
     
135. if(IRCOM[5] > 9)
     
136. {
     
137. IRCOM[5] = IRCOM[5] + 0x37;
     
138. }
     
139. else
     
140. IRCOM[5] = IRCOM[5] + 0x30;
     
141. delay(5);
     
142. write_com(0x80 + 0x40 + 5);
     
143. write_date(IRCOM[5]);
     
144. write_date(IRCOM[4]);
     
145. EX0 = 1; //重新开启外部中断
     
146. }

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给个线路图呗

接收不i到ir的数据

能给个protus的仿真图吗

超级感谢楼主的