#include <reg51.H>
#include <intrins.h>
sbit lcd_sclk = P3 ^ 2; /*接口定义:lcd_sclk就是LCD的sclk*/
sbit lcd_sid = P3 ^ 1; /*接口定义:lcd_sid就是LCD的sid*/
sbit lcd_rs = P3 ^ 0; /*接口定义:lcd_rs就是LCD的rs*/
sbit lcd_reset = P1 ^ 0; /*接口定义:lcd_reset就是LCD的reset*/
sbit lcd_cs1 = P1 ^ 1; /*接口定义:lcd_cs1就是LCD的cs1*/
sbit Rom_IN = P1 ^ 2; /*字库IC接口定义:Rom_IN就是字库IC的SI*/
sbit Rom_OUT = P1 ^ 3; /*字库IC接口定义:Rom_OUT就是字库IC的SO*/
sbit Rom_SCK = P1 ^ 4; /*字库IC接口定义:Rom_SCK就是字库IC的SCK*/
sbit Rom_CS = P1 ^ 5; /*字库IC接口定义Rom_CS就是字库IC的CS#*/
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
uchar code jiong1[] = /*-- 文字: 囧 --*/
{
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00, 0xFE, 0x82, 0x42, 0xA2, 0x9E, 0x8A, 0x82, 0x86, 0x8A, 0xB2, 0x62, 0x02, 0xFE, 0x00, 0x00,
0x00, 0x7F, 0x40, 0x40, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x40, 0x7F, 0x40, 0x40, 0x7F, 0x00, 0x00
};
uchar code lei1[] = /*-- 文字: 畾 --*/
{
/*-- 宋体12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x80, 0x80, 0x80, 0xBF, 0xA5, 0xA5, 0xA5, 0x3F, 0xA5, 0xA5, 0xA5, 0xBF, 0x80, 0x80, 0x80, 0x00,
0x7F, 0x24, 0x24, 0x3F, 0x24, 0x24, 0x7F, 0x00, 0x7F, 0x24, 0x24, 0x3F, 0x24, 0x24, 0x7F, 0x00
};
/*写指令到LCD模块*/
voidtransfer_command_lcd(int data1){
char i;
lcd_rs = 0;
for(i = 0; i < 8; i++)
{
lcd_sclk = 0;
if(data1 & 0x80) lcd_sid = 1;
else lcd_sid = 0;
lcd_sclk = 1;
data1 = data1 <<= 1;
}
}
/*写数据到LCD模块*/
voidtransfer_data_lcd(int data1){
char i;
lcd_rs = 1;
for(i = 0; i < 8; i++)
{
lcd_sclk = 0;
if(data1 & 0x80) lcd_sid = 1;
else lcd_sid = 0;
lcd_sclk = 1;
data1 = data1 <<= 1;
}
}
/*延时*/
void delay(int i)
{
int j, k;
for(j = 0; j < i; j++)
for(k = 0; k < 500; k++);
}
/*等待一个按键，我的主板是用P2.0与GND之间接一个按键*/
void waitkey()
{
repeat:
if (P2 & 0x01) goto repeat;
else delay(6);
if (P2 & 0x01) goto repeat;
else
delay(40);;
}
/*LCD模块初始化*/
voidinitial_lcd(){
lcd_cs1 = 0;
Rom_CS = 1;
lcd_reset = 0; /*低电平复位*/
delay(20);
lcd_reset = 1; /*复位完毕*/
delay(20);
transfer_command_lcd(0xe2); /*软复位*/
delay(5);
transfer_command_lcd(0x2c); /*升压步聚1*/
delay(5);
transfer_command_lcd(0x2e); /*升压步聚2*/
delay(5);
transfer_command_lcd(0x2f); /*升压步聚3*/
delay(5);
transfer_command_lcd(0x23); /*粗调对比度，可设置范围0x20～0x27*/
transfer_command_lcd(0x81); /*微调对比度*/
transfer_command_lcd(0x28); /*0x28,微调对比度的值，可设置范围0x00～0x3f*/
transfer_command_lcd(0xa2); /*1/9偏压比（bias）*/
transfer_command_lcd(0xc8); /*行扫描顺序：从上到下*/
transfer_command_lcd(0xa0); /*列扫描顺序：从左到右*/
transfer_command_lcd(0x40); /*起始行：第一行开始*/
transfer_command_lcd(0xaf); /*开显示*/
lcd_cs1 = 1;
}
/*全屏清屏*/
voidclear_screen(){
unsigned char i, j;
lcd_cs1 = 0;
Rom_CS = 1;
for(i = 0; i < 9; i++)
{
transfer_command_lcd(0xb0 + i);
transfer_command_lcd(0x10);
transfer_command_lcd(0x00);
for(j = 0; j < 132; j++)
{
transfer_data_lcd(0x00);
}
}
lcd_cs1 = 1;
}
/*显示16x16点阵图像、汉字、生僻字或16x16点阵的其他图标*/
voiddisplay_graphic_16x16(uint page, uint column, uchar *dp){
uint i, j;
uchar page_address;
uchar column_address_L, column_address_H;
page_address = 0xb0 + page - 1;
column_address_L = (column & 0x0f) - 1;
column_address_H = ((column >> 4) & 0x0f) + 0x10;
lcd_cs1 = 0;
Rom_CS = 1;
for(j = 0; j < 2; j++)
{
transfer_command_lcd(page_address + j); /*设置页地址*/
transfer_command_lcd(column_address_H); /*设置列地址的高4位*/
transfer_command_lcd(column_address_L); /*设置列地址的低4位*/
for (i = 0; i < 16; i++)
{
transfer_data_lcd(*dp); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
dp++;
}
}
lcd_cs1 = 1;
}
/*显示8x16点阵图像、ASCII, 或8x16点阵的自造字符、其他图标*/
voiddisplay_graphic_8x16(uint page, uchar column, uchar *dp){
uint i, j;
uchar page_address;
uchar column_address_L, column_address_H;
lcd_cs1 = 0;
page_address = 0xb0 + page - 1;
column_address_L = (column & 0x0f) - 1;
column_address_H = ((column >> 4) & 0x0f) + 0x10;
for(j = 0; j < 2; j++)
{
transfer_command_lcd(page_address + j); /*设置页地址*/
transfer_command_lcd(column_address_H); /*设置列地址的高4位*/
transfer_command_lcd(column_address_L); /*设置列地址的低4位*/
for (i = 0; i < 8; i++)
{
transfer_data_lcd(*dp); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
dp++;
}
}
lcd_cs1 = 1;
}
/*显示5*7点阵图像、ASCII, 或5x7点阵的自造字符、其他图标*/
voiddisplay_graphic_5x7(uint page, uchar column, uchar *dp){
uint col_cnt;
uchar page_address;
uchar column_address_L, column_address_H;
page_address = 0xb0 + page - 1;
lcd_cs1 = 0;
column_address_L = (column & 0x0f) - 1;
column_address_H = ((column >> 4) & 0x0f) + 0x10;
transfer_command_lcd(page_address); /*Set Page Address*/
transfer_command_lcd(column_address_H); /*Set MSB of column Address*/
transfer_command_lcd(column_address_L); /*Set LSB of column Address*/
for (col_cnt = 0; col_cnt < 8; col_cnt++)
{
transfer_data_lcd(*dp);
dp++;
}
lcd_cs1 = 1;
}
/****送指令到晶联讯字库IC***/
voidsend_command_to_ROM( uchar datu ){
uchar i;
for(i = 0; i < 8; i++ )
{
if(datu & 0x80)
Rom_IN = 1;
else
Rom_IN = 0;
datu = datu << 1;
Rom_SCK = 0;
Rom_SCK = 1;
}
}
/****从晶联讯字库IC中取汉字或字符数据（1个字节）***/
static ucharget_data_from_ROM( ){
uchar i;
uchar ret_data = 0;
Rom_SCK = 1;
for(i = 0; i < 8; i++)
{
Rom_OUT = 1;
Rom_SCK = 0;
ret_data = ret_data << 1;
if( Rom_OUT )
ret_data = ret_data + 1;
else
ret_data = ret_data + 0;
Rom_SCK = 1;
}
return(ret_data);
}
/*从相关地址（addrHigh：地址高字节,addrMid：地址中字节,addrLow：地址低字节）中连续读出DataLen个字节的数据到 pBuff的地址*/
/*连续读取*/
voidget_n_bytes_data_from_ROM(uchar addrHigh, uchar addrMid, uchar addrLow, uchar *pBuff, uchar DataLen ){
uchar i;
Rom_CS = 0;
lcd_cs1 = 1;
Rom_SCK = 0;
send_command_to_ROM(0x03);
send_command_to_ROM(addrHigh);
send_command_to_ROM(addrMid);
send_command_to_ROM(addrLow);
for(i = 0; i < DataLen; i++ )
*(pBuff + i) = get_data_from_ROM();
Rom_CS = 1;
}
/******************************************************************/
ulong fontaddr = 0;
voiddisplay_GB2312_string(uchar y, uchar x, uchar *text){
uchar i = 0;
uchar addrHigh, addrMid, addrLow ;
uchar fontbuf[32];
while((text[i] > 0x00))
{
if(((text[i] >= 0xb0) && (text[i] < 0xf7)) && (text[i+1] >= 0xa1))
{
/*国标简体（GB2312）汉字在高通字库IC中的地址由以下公式来计算：*/
/*Address = ((MSB - 0xB0) * 94 + (LSB- 0xA1)+ 846)*32+ BaseAdd;BaseAdd=0*/ /*由于担心8位单片机有乘法溢出问题，所以分三部取地址*/
fontaddr = (text[i] - 0xb0) * 94;
fontaddr += (text[i+1] - 0xa1) + 846;
fontaddr = (ulong)(fontaddr * 32);
addrHigh = (fontaddr & 0xff0000) >> 16; /*地址的高8位,共24位*/
addrMid = (fontaddr & 0xff00) >> 8; /*地址的中8位,共24位*/
addrLow = fontaddr & 0xff; /*地址的低8位,共24位*/
get_n_bytes_data_from_ROM(addrHigh, addrMid, addrLow, fontbuf, 32 ); /*取32个字节的数据，存到"fontbuf[32]"*/ display_graphic_16x16(y, x, fontbuf); /*显示汉字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i += 2;
x += 16;
}
else if((text[i] >= 0x20) && (text[i] <= 0x7e))
{
unsigned char fontbuf[16];
fontaddr = (text[i] - 0x20);
fontaddr = (unsigned long)(fontaddr * 16);
fontaddr = (unsigned long)(fontaddr + 0x3b7c0);
addrHigh = (fontaddr & 0xff0000) >> 16;
addrMid = (fontaddr & 0xff00) >> 8;
addrLow = fontaddr & 0xff;
get_n_bytes_data_from_ROM(addrHigh, addrMid, addrLow, fontbuf, 16 ); /*取16个字节的数据，存到"fontbuf[32]"*/
display_graphic_8x16(y, x, fontbuf); /*显示8x16的ASCII字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i += 1;
x += 8;
}
else
i++;
}
}
voiddisplay_string_5x7(uchar y, uchar x, uchar *text){
unsigned char i = 0;
unsigned char addrHigh, addrMid, addrLow ;
while((text[i] > 0x00))
{
if((text[i] >= 0x20) && (text[i] <= 0x7e))
{
unsigned char fontbuf[8];
fontaddr = (text[i] - 0x20);
fontaddr = (unsigned long)(fontaddr * 8);
fontaddr = (unsigned long)(fontaddr + 0x3bfc0);
addrHigh = (fontaddr & 0xff0000) >> 16;
addrMid = (fontaddr & 0xff00) >> 8;
addrLow = fontaddr & 0xff;
get_n_bytes_data_from_ROM(addrHigh, addrMid, addrLow, fontbuf, 8); /*取8个字节的数据，存到"fontbuf[32]"*/
display_graphic_5x7(y, x, fontbuf); /*显示5x7的ASCII字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i += 1;
x += 8;
}
else
i++;
}
}
//===============main program===================
void main(void)
{
Rom_CS = 1;
initial_lcd();
while(1)
{
clear_screen(); //clear all dots
Rom_SCK = 0;
display_GB2312_string(1, 1, "12864,带中文字库"); /*在第1页，第1列，显示一串16x16点阵汉字或8x16的ASCII字*/
Rom_SCK = 0;
display_GB2312_string(3, 1, "16X16简体汉字库,"); /*在第3页，第1列，显示一串16x16点阵汉字或8x16的ASCII字.以下雷同*/
Rom_SCK = 0;
display_GB2312_string(5, 1, "或8X16点阵ASCII,");
Rom_SCK = 0;
display_GB2312_string(7, 1, "或5X7点阵ASCII码");
waitkey();
clear_screen();
Rom_SCK = 0;
display_GB2312_string(1, 1, "GB2312简体字库及");
display_GB2312_string(3, 1, "有图型功能,可自");
display_GB2312_string(5, 1, "编大字或图像或生");
display_GB2312_string(7, 1, "僻字,例如:囧");
display_graphic_16x16(7, 81, jiong1); /*在第7页，第81列显示单个自编生僻汉字“囧”*/
display_graphic_16x16(7, 97, lei1); /*在第7页，第97列显示单个自编生僻汉字"畾“*/
waitkey();
clear_screen();
display_GB2312_string(1, 1, "<!@#$%^&*()_-+\/"); /*在第1页，第1列，显示一串16x16点阵汉字或8*16的ASCII字*/
display_string_5x7(3, 1, "<!@#$%^&*()_-+\/"); /*在第3页，第1列，显示一串5x7点阵的ASCII字*/
display_string_5x7(4, 1, "JLXELECTRONICS "); display_string_5x7(5, 1, "CO.,LTD.estab- "); display_string_5x7(6, 1, "lished atyear "); display_string_5x7(7, 1, "2004.focusLCM "); display_string_5x7(8, 1, "755-29784961-809");
waitkey();
}
}
发表于 2012-5-17 01:45
楼主
发表于 2012-5-17 14:42
发表于 2013-11-15 10:28