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C51 COMPILER V8.02 RECEIVE 08/12/2007 15:19:34 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE RECEIVE
OBJECT MODULE PLACED IN receive.OBJ
COMPILER INVOKED BY: D:\SOFTWARE\uv3\C51\BIN\C51.EXE receive.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include
2 #include
3 #define uint unsigned int
4 #define uchar unsigned char
5 #define lcd_bus P1
6 #define re_bus P0 //P3.0,1,2,3
7 uchar offset=0x80;
8 //年月度
9 uchar code hanzi[]={0x80,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,
10 0xf,0x9,0xf,0x9,0xf,0x9,0x11,0,
11 0x1C,0x14,0x1C,0x0,0x0,0x0,0x00,0x00};
12
13 // lcd
14 sbit rs=P2^0;
15 sbit rw=P2^1;
16 sbit e =P2^2;
17
18
19 //////////////////////////////////////////
20 delay(uchar d)
21 {
22 1 while(--d);
23 1 }
24
25
26
27
28
29 /**********判断忙标志，返回的是一个位BF**********/
30 bit lcd_busy(void)
31 {
32 1 uchar bflag;
33 1 rs=0;
34 1 rw=1;
35 1 _nop_();
36 1 e=1;
37 1 _nop_();
38 1 lcd_bus=0xff;
39 1 bflag=lcd_bus;
40 1 e=0;
41 1 return(bit)(bflag&0x80); //BF=1 busy
42 1 }
43
44
45
46 /*********写命令，有两个参数，第一个是要写的命令控制字，
47 第二个是用来控制是否进行忙标志的判断。
48 busyflag=1：判断；为 0：不判断****************/
49 void lcd_wrcmd(uchar cmd)
50 {
51 1 while(lcd_busy());
52 1 lcd_bus=cmd;
53 1 rs=0;
54 1 rw=0;
55 1 _nop_();
C51 COMPILER V8.02 RECEIVE 08/12/2007 15:19:34 PAGE 2
56 1 e=1;
57 1 _nop_();
58 1 _nop_();
59 1 e=0;
60 1 }
61
62
63 /************向液晶片写数据***************/
64 void lcd_wrdata( uchar lcddata)
65 {
66 1 while(lcd_busy());
67 1 lcd_bus=lcddata;
68 1 rs=1;
69 1 rw=0;
70 1 _nop_();
71 1 e=1;
72 1 _nop_();
73 1 _nop_();
74 1 e=0;
75 1 }
76
77 /****************初始化***************/
78 void lcd_ini(void)
79 {
80 1 lcd_wrcmd(0x38);
81 1 delay(100);
82 1 lcd_wrcmd(0x0c);
83 1 delay(100);
84 1 lcd_wrcmd(0x06);
85 1 delay(100);
86 1 lcd_wrcmd(0x01);
87 1 delay(100);
88 1 }
89 //////////////////////////////////////////////
90 //
91 // 生成汉字子模函数
92 // 当lcd_wrdata(0);显示第一个汉字
93 // 当lcd_wrdata(1);显示第二个汉字
94 //
95 //////////////////////////////////////////////
96 lcd_h()
97 {
98 1 uchar i;
99 1 lcd_wrcmd(0x40);
100 1 for(i=0;i 101 1 }
102
103 void display(uchar temp)
104 { unsigned char stra[3],r=0;
105 1 unsigned char i;
106 1
107 1 lcd_wrcmd(0x0c);
108 1 stra[0]=temp/100+'0';
109 1 stra[1]=temp%100/10+'0';
110 1 stra[2]=temp%10+'0';
111 1
112 1 lcd_wrcmd(0x0c);
113 1 if(stra[0]=='0')
114 1 r=1;
115 1
116 1 lcd_wrcmd(0xc2+r);
117 1 for(i=r;i C51 COMPILER V8.02 RECEIVE 08/12/2007 15:19:34 PAGE 3
118 1 lcd_wrdata(stra[i]);
119 1
120 1 lcd_wrdata(2);
121 1 lcd_wrdata(0x43);
122 1
123 1
124 1 }
125
126
127
128
129
130
131 main()
132 { uchar rect=20,temp,temp11,temp10,temp01,temp00,tt;
133 1 lcd_bus=0xff;
134 1 lcd_ini();
135 1 re_bus=0xff;
136 1 lcd_h();
137 1
138 1 while(1)
139 1
140 1 {
141 2
142 2 re_bus=0xff;
143 2 rect=re_bus&0x0f;
144 2
145 2
146 2
147 2
148 2
149 2 if(rect>7&&rect 150 2
151 2 {
152 3 temp10=rect&0x03;
153 3 temp10 154 3 if(tt 155 3 temp01=0;
156 3 tt=temp10;
157 3 // temp=temp11|temp10|temp01|temp00;
158 3 // display(temp);
159 3 rect=re_bus&0x0f;
160 3
161 3
162 3 }
163 2
164 2
165 2
166 2 else if(rect>3&&rect 167 2
168 2 {
169 3 temp01=rect&0x03;
170 3 temp01 171 3
172 3
173 3 // temp=temp11|temp10|temp01|temp00;
174 3 // display(temp);
175 3
176 3 rect=re_bus&0x0f;
177 3
178 3
179 3
C51 COMPILER V8.02 RECEIVE 08/12/2007 15:19:34 PAGE 4
180 3 }
181 2
182 2
183 2 else if(rect>11&&rect 184 2 {
185 3
186 3 temp00=rect&0x03;
187 3
188 3 temp=temp11|temp10|temp01|temp00;
189 3 display(temp);
190 3 delay(100);
191 3 rect=re_bus&0x0f;
192 3
193 3 }
194 2
195 2
196 2
197 2 /* else if(rect==0)
198 2
199 2 {
200 2
201 2 temp00=rect&0x03;
202 2 temp=temp11|temp10|temp01|temp00;
203 2
204 2 display(temp);
205 2 } */
206 2
207 2
208 2
209 2
210 2
211 2
212 2 }
213 1
214 1
215 1 }
216
217
218
219
220
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 319 ----
CONSTANT SIZE = 24 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 1 6
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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