📄 1602driver.lst
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C51 COMPILER V8.05a 1602DRIVER 10/10/2007 22:53:11 PAGE 1
C51 COMPILER V8.05a, COMPILATION OF MODULE 1602DRIVER
OBJECT MODULE PLACED IN 1602driver.OBJ
COMPILER INVOKED BY: D:\Program Files\keil\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 }
47
48 void WriteData_LCD(unsigned char Data) //WriteData_LCD
49 {
50 1 while ( IsBusy_LCD() );
51 1
52 1 RS = 1;
53 1 RW = 0;
54 1
55 1 Port = Data;
C51 COMPILER V8.05a 1602DRIVER 10/10/2007 22:53:11 PAGE 2
56 1
57 1 E = 0;
58 1 E = 1;
59 1 E = 0;
60 1 }
61
62 void WriteCommand_LCD(unsigned char Code) //WriteCommand_LCD
63 {
64 1 while ( IsBusy_LCD() );
65 1
66 1 RS = 0;
67 1 RW = 0;
68 1 Port = Code;
69 1
70 1 E = 0;
71 1 E = 1;
72 1 E = 0;
73 1 }
74 void delay(unsigned time) //void delay
75 {
76 1 while(time--);
77 1 }
78
79 void Init_LCD(void) //Init_LCD
80 {
81 1 delay(15000);
82 1 WriteCommand_LCD(0x38);
83 1 delay(5000);
84 1 WriteCommand_LCD(0x38);
85 1 delay(5000);
86 1 WriteCommand_LCD(0x38);
87 1 delay(5000);
88 1 WriteCommand_LCD(0x38);
89 1 WriteCommand_LCD(0x0f);
90 1 WriteCommand_LCD(0x08);
91 1 WriteCommand_LCD(0x01);
92 1 WriteCommand_LCD(0x06);
93 1 WriteCommand_LCD(0x0c);
94 1 WriteCommand_LCD(0x80);
95 1 }
96
97
98 void PutStr_LCD(unsigned char *str) //PutStr_LCD
99 {
100 1 while(*str)
101 1 {
102 2 WriteData_LCD(*str++);
103 2 }
104 1 }
105
106 void PutStrXY_LCD(unsigned char x, unsigned char y, unsigned char *str) //PutStrXY_LCD
107 {
108 1 SetPos_LCD(x, y);
109 1 PutStr_LCD(str);
110 1 }
111
112 void PutIntXY_LCD(unsigned char x, unsigned char y, unsigned Num) //PutIntXY_LCD
113 {
114 1 unsigned char i = 0;
115 1 unsigned char Len = 1;
116 1
117 1 if(Num >= 10) Len++;
C51 COMPILER V8.05a 1602DRIVER 10/10/2007 22:53:11 PAGE 3
118 1 if(Num >= 100) Len++;
119 1 if(Num >= 1000) Len++;
120 1 if(Num >= 10000) Len++;
121 1
122 1 for(i = 0; i < Len; i++)
123 1 {
124 2 SetPos_LCD(x + Len - i - 1, y);
125 2 WriteData_LCD(Num % 10 + 48);
126 2 Num /= 10;
127 2 }
128 1 }
129
130 void PutNumXY_LCD(unsigned char x, unsigned char y, unsigned Num, unsigned char Len) //PutNumXY_LCD
131 {
132 1 unsigned char i = 0;
133 1 unsigned char Add = ReadState_LCD() & 0x7f;
134 1
135 1 for(i = 0; i < Len; i++)
136 1 {
137 2 SetPos_LCD(x + Len - i - 1, y);
138 2 WriteData_LCD(Num % 10 + 48);
139 2 Num /= 10;
140 2 }
141 1 }
142
143 void SetPos_LCD(unsigned char x, unsigned char y) //SetPos_LCD
144 {
145 1 unsigned char i = y * 0x40 + x;
146 1
147 1 WriteCommand_LCD(0x80 + i);
148 1 }
149
150
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 410 ----
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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