12232 LCM Driver
自己写的12232LCM模块的驱动代码，实现了基本的功能。
1
//==============================================================
2//12232.h
3//==============================================================
4#ifndef __12232Driver_H
5#define __12232Driver_H
6void LCD_Init(void);
7void LCD_Reset(void);
8void LCD_FillAll(void);
9void LCD_ClearAll(void);
10void LCD_WriteCmd(unsigned char cmd);
11void LCD_WriteCmd1(unsigned char cmd);
12void LCD_WriteCmd2(unsigned char cmd);
13void LCD_SetColumn(unsigned char column);
14void LCD_SetColumn1(unsigned char column);
15void LCD_SetColumn2(unsigned char column);
16void LCD_SetPage(unsigned char page);
17void LCD_SetPage1(unsigned char page);
18void LCD_SetPage2(unsigned char page);
19void LCD_WriteData(unsigned char d);
20void LCD_WriteData1(unsigned char d);
21void LCD_WriteData2(unsigned char d);
22unsigned char LCD_ReadData1(void);
23unsigned char LCD_ReadData2(void);
24#endif
25
26//==============================================================
27//12232Driver.c
28//==============================================================
29#include <reg51.h>
30#include "12232Driver.h"
31//#include <intrins.h>
32
33sbit E1=P3^4;
34sbit E2=P3^5;
35sbit A0=P3^7;
36sbit RST=P3^2;
37sbit RW=P3^6;
38
39#define LCD_DISPLAY_ON 0xAF
40#define LCD_DISPLAY_OFF 0xAE
41#define LCD_START_LINE_0 0xC0 //Set Start Line 0
42#define LCD_DRIVER_NORMAL 0xA4 //Normal display operation
43#define LCD_DRIVER_STATIC 0xA5 //Power Save
44#define LCD_DUTY_32 0xA9
45#define LCD_DUTY_16 0xA8
46#define LCD_RIGHTWARD_OUTPUT 0xA0
47#define LCD_LEFTWARD_OUTPUT 0xA1
48#define LCD_RESET 0xE3
49#define LCD_PAGE_0 0xB8
50#define LCD_RMW 0xE0
51#define LCD_END 0xEE
52#define uchar unsigned char
53//LCD Controller Display and Control Functions
54
55void LCD_Init(void)
56
{
57
//E1=0;
58 //E2=0;
59 //Reset
60 RST=0;
61 RST=1;
62 LCD_WriteCmd(LCD_DISPLAY_ON); //Display On
63 LCD_WriteCmd(LCD_START_LINE_0); //Start = 0
64 LCD_WriteCmd(LCD_DRIVER_NORMAL); //Driver
65 LCD_WriteCmd(LCD_DUTY_32); //Duty 32
66 LCD_WriteCmd(LCD_RIGHTWARD_OUTPUT); //ADC
67 LCD_WriteCmd(LCD_RESET); //Reset
68 LCD_Reset();
69
}
70
71void LCD_Reset(void)
72{
73 LCD_WriteCmd(LCD_RESET);
74}
75
76void LCD_FillAll(void)
77{
78 uchar page,y;
79 LCD_WriteCmd(LCD_RMW);
80 for(page=0;page<4;page++)
81
{
82 LCD_SetPage(page);
83 LCD_SetColumn(0);
84 for(y=0;y<61;y++)
85 {
86 LCD_WriteData(0xFF);
87
}
88 LCD_WriteCmd(LCD_END);
89 }
90}
91
92void LCD_ClearAll(void)
93{
94 uchar page,y;
95 LCD_WriteCmd(LCD_RMW);
96 for(page=0;page<4;page++)
97 {
98 LCD_SetPage(page);
99 LCD_SetColumn(0);
100 for(y=0;y<61;y++)
101 {
102 LCD_WriteData(0);
103 }
104 LCD_WriteCmd(LCD_END);
105 }
106}
107
108
109void LCD_WriteCmd(unsigned char cmd)
110{
111 LCD_WriteCmd1(cmd);
112 LCD_WriteCmd2(cmd);
113 return;
114}
115
116void LCD_WriteCmd1(unsigned char cmd)
117{
118 RW=0;
119 E1=0;
120 A0=0;
121 P1=cmd;
122 E1=1;
123 E1=0;
124 return;
125}
126
127void LCD_WriteCmd2(unsigned char cmd)
128{
129 RW=0;
130 E2=0;
131 A0=0;
132 P1=cmd;
133 E2=1;
134 E2=0;
135 return;
136}
137
138void LCD_WriteData(unsigned char d)
139{
140 LCD_WriteData1(d);
141 LCD_WriteData2(d);
142 return ;
143}
144
145void LCD_WriteData1(unsigned char d)
146{
147 RW=0;
148 E1=0;
149 A0=1;
150 P1=d;
151 E1=1;
152 E1=0;
153 return;
154}
155
156void LCD_WriteData2(unsigned char d)
157{
158 RW=0;
159 E2=0;
160 A0=1;
161 P1=d;
162 E2=1;
163 E2=0;
164 return;
165}
166
167void LCD_SetColumn(unsigned char d)
168{
169 LCD_SetColumn1(d);
170 LCD_SetColumn2(d);
171 return;
172}
173void LCD_SetColumn1(unsigned char d)
174{
175 LCD_WriteCmd1(d);
176 return;
177}
178
179void LCD_SetColumn2(unsigned char d)
180{
181 LCD_WriteCmd2(d);
182 return;
183}
184
185void LCD_SetPage(unsigned char page)
186{
187 LCD_SetPage1(page);
188 LCD_SetPage2(page);
189 return;
190}
191void LCD_SetPage1(unsigned char page)
192{
193 page=page%4;
194 LCD_WriteCmd1(LCD_PAGE_0+page); //0x5C
195 return;
196}
197
198void LCD_SetPage2(unsigned char page)
199{
200 page=page%4;
201 LCD_WriteCmd2(LCD_PAGE_0+page); //0x5C
202 return;
203}
204
205unsigned char LCD_ReadData1(void)
206{
207 unsigned char d=0;
208 RW=1;
209 E1=0;
210 A0=1;
211 P1=0xFF;
212 E1=1;
213 d=P1;
214 E1=0;
215 return d;
216}
217
218unsigned char LCD_ReadData2(void)
219{
220 unsigned char d=0;
221 RW=1;
222 E2=0;
223 A0=1;
224 P1=0xFF;
225 E2=1;
226 d=P1;
227 E2=0;
228 return d;
229}
//==============================================================2
//12232.h3
//==============================================================4
#ifndef __12232Driver_H5
#define __12232Driver_H6
void LCD_Init(void);7
void LCD_Reset(void);8
void LCD_FillAll(void);9
void LCD_ClearAll(void);10
void LCD_WriteCmd(unsigned char cmd);11
void LCD_WriteCmd1(unsigned char cmd);12
void LCD_WriteCmd2(unsigned char cmd);13
void LCD_SetColumn(unsigned char column);14
void LCD_SetColumn1(unsigned char column);15
void LCD_SetColumn2(unsigned char column);16
void LCD_SetPage(unsigned char page);17
void LCD_SetPage1(unsigned char page);18
void LCD_SetPage2(unsigned char page);19
void LCD_WriteData(unsigned char d);20
void LCD_WriteData1(unsigned char d);21
void LCD_WriteData2(unsigned char d);22
unsigned char LCD_ReadData1(void);23
unsigned char LCD_ReadData2(void);24
#endif25
26
//==============================================================27
//12232Driver.c28
//==============================================================29
#include <reg51.h>30
#include "12232Driver.h"31
//#include <intrins.h>32
33
sbit E1=P3^4;34
sbit E2=P3^5;35
sbit A0=P3^7;36
sbit RST=P3^2;37
sbit RW=P3^6;38
39
#define LCD_DISPLAY_ON 0xAF40
#define LCD_DISPLAY_OFF 0xAE41
#define LCD_START_LINE_0 0xC0 //Set Start Line 042
#define LCD_DRIVER_NORMAL 0xA4 //Normal display operation43
#define LCD_DRIVER_STATIC 0xA5 //Power Save44
#define LCD_DUTY_32 0xA945
#define LCD_DUTY_16 0xA846
#define LCD_RIGHTWARD_OUTPUT 0xA047
#define LCD_LEFTWARD_OUTPUT 0xA148
#define LCD_RESET 0xE349
#define LCD_PAGE_0 0xB850
#define LCD_RMW 0xE051
#define LCD_END 0xEE52
#define uchar unsigned char53
//LCD Controller Display and Control Functions54
55
void LCD_Init(void)56
{
57
//E1=0;58
//E2=0;59
//Reset60
RST=0;61
RST=1;62
LCD_WriteCmd(LCD_DISPLAY_ON); //Display On63
LCD_WriteCmd(LCD_START_LINE_0); //Start = 064
LCD_WriteCmd(LCD_DRIVER_NORMAL); //Driver65
LCD_WriteCmd(LCD_DUTY_32); //Duty 3266
LCD_WriteCmd(LCD_RIGHTWARD_OUTPUT); //ADC67
LCD_WriteCmd(LCD_RESET); //Reset68
LCD_Reset();69
}70
71
void LCD_Reset(void)72
{73
LCD_WriteCmd(LCD_RESET);74
}75
76
void LCD_FillAll(void)77
{78
uchar page,y;79
LCD_WriteCmd(LCD_RMW);80
for(page=0;page<4;page++)81
{
82
LCD_SetPage(page);83
LCD_SetColumn(0);84
for(y=0;y<61;y++)85
{86
LCD_WriteData(0xFF); 87
}88
LCD_WriteCmd(LCD_END);89
}90
}91
92
void LCD_ClearAll(void)93
{94
uchar page,y;95
LCD_WriteCmd(LCD_RMW);96
for(page=0;page<4;page++)97
{98
LCD_SetPage(page);99
LCD_SetColumn(0);100
for(y=0;y<61;y++)101
{102
LCD_WriteData(0); 103
}104
LCD_WriteCmd(LCD_END);105
}106
}107
108
109
void LCD_WriteCmd(unsigned char cmd)110
{111
LCD_WriteCmd1(cmd);112
LCD_WriteCmd2(cmd);113
return;114
}115
116
void LCD_WriteCmd1(unsigned char cmd)117
{118
RW=0;119
E1=0;120
A0=0;121
P1=cmd;122
E1=1;123
E1=0;124
return;125
}126
127
void LCD_WriteCmd2(unsigned char cmd)128
{129
RW=0;130
E2=0;131
A0=0;132
P1=cmd;133
E2=1;134
E2=0;135
return;136
}137
138
void LCD_WriteData(unsigned char d)139
{140
LCD_WriteData1(d);141
LCD_WriteData2(d);142
return ;143
}144
145
void LCD_WriteData1(unsigned char d)146
{147
RW=0;148
E1=0;149
A0=1;150
P1=d;151
E1=1;152
E1=0;153
return;154
}155
156
void LCD_WriteData2(unsigned char d)157
{158
RW=0;159
E2=0;160
A0=1;161
P1=d;162
E2=1;163
E2=0;164
return;165
}166
167
void LCD_SetColumn(unsigned char d)168
{169
LCD_SetColumn1(d);170
LCD_SetColumn2(d);171
return;172
}173
void LCD_SetColumn1(unsigned char d)174
{175
LCD_WriteCmd1(d);176
return;177
}178
179
void LCD_SetColumn2(unsigned char d)180
{181
LCD_WriteCmd2(d);182
return;183
}184
185
void LCD_SetPage(unsigned char page)186
{187
LCD_SetPage1(page);188
LCD_SetPage2(page);189
return;190
}191
void LCD_SetPage1(unsigned char page)192
{193
page=page%4;194
LCD_WriteCmd1(LCD_PAGE_0+page); //0x5C195
return;196
}197
198
void LCD_SetPage2(unsigned char page)199
{200
page=page%4;201
LCD_WriteCmd2(LCD_PAGE_0+page); //0x5C202
return;203
}204
205
unsigned char LCD_ReadData1(void)206
{207
unsigned char d=0;208
RW=1;209
E1=0;210
A0=1;211
P1=0xFF;212
E1=1;213
d=P1;214
E1=0;215
return d;216
}217
218
unsigned char LCD_ReadData2(void)219
{220
unsigned char d=0;221
RW=1;222
E2=0;223
A0=1;224
P1=0xFF;225
E2=1;226
d=P1;227
E2=0;228
return d;229
} 
