📄 1602driver.lst
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C51 COMPILER V8.05a 1602DRIVER 09/07/2007 02:51:32 PAGE 1
C51 COMPILER V8.05a, COMPILATION OF MODULE 1602DRIVER
OBJECT MODULE PLACED IN 1602driver.OBJ
COMPILER INVOKED BY: D:\C51\BIN\C51.EXE 1602driver.C BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <reg51.h>
2 //#include <stdlib.h>
3
4
5 #define Port P2
6
7 sbit RS = P1^0;
8 sbit RW = P1^1;
9 sbit E = P1^2;
10 //sbit P1_4=P1^4;
11 //sbit P1_5=P1^5;
12
13 unsigned char ReadState_LCD(void);
14 unsigned char IsBusy_LCD(void);
15 void WriteData_LCD(unsigned char Data);
16 void WriteCommand_LCD(unsigned char Code);
17 void Init_LCD(void);
18
19 void PutStr_LCD(unsigned char *str);
20 void PutStrXY_LCD(unsigned char x, unsigned char y, unsigned char *str);
21 void PutIntXY_LCD(unsigned char x, unsigned char y, unsigned Num);
22 void PutNumXY_LCD(unsigned char x, unsigned char y, unsigned Num, unsigned char Len);
23 void SetPos_LCD(unsigned char x, unsigned char y);
24
25
26
27
28 unsigned char ReadState_LCD(void) //char ReadState_LCD
29 {
30 1 Port = 0xff;
31 1 RS = 0;
32 1 RW = 1;
33 1 E = 1;
34 1
35 1 return Port;
36 1 }
37
38 unsigned char IsBusy_LCD(void) //IsBusy_LCD
39 {
40 1 Port = 0xff;
41 1 RS = 0;
42 1 RW = 1;
43 1 E = 1;
44 1
45 1 // return (Port >> 7) & 0x01;
46 1 return Port&0x80;
47 1 }
48
49 void WriteData_LCD(unsigned char Data) //WriteData_LCD
50 {
51 1 while ( IsBusy_LCD() );
52 1
53 1 RS = 1;
54 1 RW = 0;
55 1
C51 COMPILER V8.05a 1602DRIVER 09/07/2007 02:51:32 PAGE 2
56 1 Port = Data;
57 1
58 1 E = 0;
59 1 E = 1;
60 1 E = 0;
61 1 }
62
63 void WriteCommand_LCD(unsigned char Code) //WriteCommand_LCD
64 {
65 1 while ( IsBusy_LCD() );
66 1
67 1 RS = 0;
68 1 RW = 0;
69 1 Port = Code;
70 1
71 1 E = 0;
72 1 E = 1;
73 1 E = 0;
74 1 }
75 void delay(unsigned time) //void delay
76 {
77 1 while(time--);
78 1 }
79
80 void Init_LCD(void) //Init_LCD
81 {
82 1 delay(15000);
83 1 WriteCommand_LCD(0x38);
84 1 delay(5000);
85 1 WriteCommand_LCD(0x38);
86 1 delay(5000);
87 1 WriteCommand_LCD(0x38);
88 1 delay(5000);
89 1 WriteCommand_LCD(0x38);
90 1 WriteCommand_LCD(0x0f);
91 1 WriteCommand_LCD(0x08);
92 1 WriteCommand_LCD(0x01);
93 1 WriteCommand_LCD(0x06);
94 1 WriteCommand_LCD(0x0c);
95 1 WriteCommand_LCD(0x80);
96 1 }
97
98
99 void PutStr_LCD(unsigned char *str) //PutStr_LCD
100 {
101 1 while(*str)
102 1 {
103 2 WriteData_LCD(*str++);
104 2 }
105 1 }
106
107 void PutStrXY_LCD(unsigned char x, unsigned char y, unsigned char *str) //PutStrXY_LCD
108 {
109 1 SetPos_LCD(x, y);
110 1 PutStr_LCD(str);
111 1 }
112
113 void PutIntXY_LCD(unsigned char x, unsigned char y, unsigned Num) //PutIntXY_LCD
114 {
115 1 unsigned char i = 0;
116 1 unsigned char Len = 1;
117 1
C51 COMPILER V8.05a 1602DRIVER 09/07/2007 02:51:32 PAGE 3
118 1 if(Num >= 10) Len++;
119 1 if(Num >= 100) Len++;
120 1 if(Num >= 1000) Len++;
121 1 if(Num >= 10000) Len++;
122 1
123 1 for(i = 0; i < Len; i++)
124 1 {
125 2 SetPos_LCD(x + Len - i - 1, y);
126 2 WriteData_LCD(Num % 10 + 48);
127 2 Num /= 10;
128 2 }
129 1 }
130
131 void PutNumXY_LCD(unsigned char x, unsigned char y, unsigned Num, unsigned char Len) //PutNumXY_LCD
132 {
133 1 unsigned char i = 0;
134 1 unsigned char Add = ReadState_LCD() & 0x7f;
135 1
136 1 for(i = 0; i < Len; i++)
137 1 {
138 2 SetPos_LCD(x + Len - i - 1, y);
139 2 WriteData_LCD(Num % 10 + 48);
140 2 Num /= 10;
141 2 }
142 1 }
143
144 void SetPos_LCD(unsigned char x, unsigned char y) //SetPos_LCD
145 {
146 1 unsigned char i = y * 0x40 + x;
147 1
148 1 WriteCommand_LCD(0x80 + i);
149 1 }
150
151
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 406 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- 19
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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