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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} 

posted on 2006-10-30 12:50 Dream world 梦想天空 阅读(645) 评论(0)  编辑 收藏

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