📄 lcd.c
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//******************************************************
//Institute of Automation, Chinese Academy of Sciences.
//File Name: LCD_Test.c
//Description: LCD Test
//Author: JuGuang,Lee
//Date:
//All Rights Reserved.
//******************************************************
//*****************************************************************************
//LCD模块的硬件地址由跳线JP200～JP203决定，以下地址对应于S3C4510B的nECS1；
//跳线JP201短接，如跳线改变，需要修改该地址，建议用户不要改变跳线的设置。
#define LCD_Base1_I (*(volatile unsigned char *)0x03F00040) //LCD左半屏指令地址
#define LCD_Base1_D (*(volatile unsigned char *)0x03F00042) //LCD左半屏数据地址
#define LCD_Base2_I (*(volatile unsigned char *)0x03F00050) //LCD右半屏指令地址
#define LCD_Base2_D (*(volatile unsigned char *)0x03F00052) //LCD右半屏数据地址
//*****************************************************************************
#include "uart.h"
#include"s3c4510b_add.h"
extern void LCD_Test(void);
static void Delay(unsigned int);
static void LCDInit(void);
static void LCDTest(unsigned char Data);
static void DispData(unsigned char);
static void SetPageAddress(unsigned char);
static void SetY(unsigned char);
static void DispChinese(unsigned char Data[],int Pos,int Line,int Index);
//*********************************************************
//函数名: LCD_Test()；
//描述： 循环显示汉字信息；
//参数： 无；
//返回值： 0；
//*********************************************************
void LCD_Test(void)
{
//*********************************************************
//以下为16×16点阵汉字字模
//*********************************************************
//空白
unsigned char ChE[32]={0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0};
//恒
unsigned char Ch1[32]={0x80,0x70,0x00,0xff,0x10,0x22,0xF2,0x92,0x92,0x92,0x92,0x92,0x92,0xfb,0x12,0x00,
0x00,0x00,0x00,0xff,0x20,0x20,0x27,0x24,0x24,0x24,0x24,0x24,0x24,0x27,0x30,0x20};
//颐
unsigned char Ch2[32]={0x00,0x00,0xfe,0x2,0xe2,0x3e,0x23,0xe2,0x2,0xf2,0x1a,0x16,0xd2,0x12,0xfb,0x12,
0x00,0x00,0x7f,0x40,0x43,0x7e,0x42,0x43,0x80,0x5f,0x20,0x1c,0x23,0x20,0x5f,0xc0};
//高
unsigned char Ch3[32]={0x4,0x4,0x4,0xf4,0x94,0x94,0x95,0x96,0x94,0x94,0x94,0xf4,0x4,0x4,0x06,0x4,
0x00,0xfe,0x2,0x2,0x7a,0x4a,0x4a,0x4a,0x4a,0x4a,0x4a,0x7a,0x2,0x82,0xff,0x02};
//科
unsigned char Ch5[32]={0x24,0x24,0x24,0xa4,0xfe,0xa3,0x22,0x00,0x24,0x48,0x00,0xff,0x00,0x80,0x00,0x00,
0x10,0x08,0x06,0x01,0xff,0x00,0x01,0x02,0x02,0x02,0x02,0xff,0x01,0x01,0x01,0x00};
//技
unsigned char Ch6[32]={0x10,0x10,0x10,0xff,0x10,0x10,0x88,0x88,0x88,0xff,0x88,0x88,0x8c,0x08,0x00,0x00,
0x04,0x44,0x82,0x7f,0x01,0x80,0x81,0x46,0x28,0x10,0x28,0x26,0x41,0xc0,0x40,0x00};
//与
unsigned char Ch7[32]={0x00,0x00,0x00,0xff,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0xcc,0x88,0x00,0x00,
0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x4c,0x88,0x40,0x3f,0x00,0x00,0x00};
//您
unsigned char Ch8[32]={0x40,0x20,0x10,0xfc,0x23,0x10,0x8c,0x67,0x04,0x04,0xf4,0x04,0x44,0x94,0x8c,0x00,
0x40,0x30,0x00,0x77,0x80,0x81,0x88,0x92,0xb4,0x83,0x80,0xe0,0x00,0x11,0x60,0x00};
//共
unsigned char Ch9[32]={0x0,0x10,0x10,0x10,0xff,0x10,0x10,0x10,0x10,0x10,0xff,0x10,0x10,0x18,0x10,0x0,
0x04,0x04,0x84,0x44,0x27,0x34,0x04,0x04,0x04,0x14,0x27,0x64,0xc4,0x06,0x04,0x00};
//创
unsigned char Ch10[32]={0x80,0x40,0xf0,0x4c,0x43,0x44,0xc8,0x10,0x30,0x00,0xf8,0x00,0x00,0xff,0x00,0x00,
0x0,0x0,0x3f,0x40,0x42,0x44,0x43,0x70,0x0,0x00,0x7,0x40,0x80,0x7f,0x00,0x00};
//辉
unsigned char Ch11[32]={0x44,0x48,0xd0,0x7f,0xd0,0x4c,0x48,0xa6,0x62,0x3a,0xa2,0x22,0x32,0x26,0x02,0x00,
0x40,0x30,0x0f,0x00,0x3f,0x10,0x08,0x09,0x09,0x09,0xff,0x09,0x09,0x0d,0x08,0x00};
//煌
unsigned char Ch12[32]={0x80,0x70,0x00,0xff,0x10,0x08,0x7c,0x54,0x56,0x55,0x54,0x54,0x7e,0x04,0x00,0x00,
0x40,0x20,0x10,0x0f,0x50,0x61,0x49,0x49,0x49,0x7f,0x49,0x4d,0x49,0x61,0x40,0x00};
//！
unsigned char Ch13[32]={0x0,0x0,0x00,0x0,0x0,0x0,0x1c,0xfe,0xfe,0x1c,0x00,0x00,0x00,0x0,0x00,0x00,
0x0,0x0,0x0,0x0,0x0,0x00,0x00,0x33,0x33,0x0,0x0,0x0,0x0,0x0,0x0,0x00};
unsigned int tmp;
i_printf("\r\n\r\n\r\nLCD Test,Press any Key to Continue...\r\n\r\n");
tmp=EXTDBWTH;
EXTDBWTH=0x05503002; //设置外部I/O Bank的数据总线宽度为8位；
LCDInit(); //LCD初始化；
while(1)
{
LCDTest(0x00); //清屏
Delay(0xffff);
LCDTest(0xf0);
Delay(0xffff);
LCDTest(0xf);
Delay(0xffff);
if(kbd_hit()) //如有用户按键，则清屏后返回主程序；
{
LCDTest(0x00);
EXTDBWTH=tmp;
return;
}
DispChinese(ChE,0,0,0); //第一行
DispChinese(ChE,0,0,1);
DispChinese(Ch1,0,0,2);
DispChinese(Ch2,0,0,3);
DispChinese(Ch3,1,0,0);
DispChinese(Ch5,1,0,1);
DispChinese(ChE,1,0,2);
DispChinese(ChE,1,0,3);
DispChinese(ChE,0,1,0); //第二行
DispChinese(ChE,0,1,1);
DispChinese(ChE,0,1,2);
DispChinese(ChE,0,1,3);
DispChinese(ChE,1,1,0);
DispChinese(ChE,1,1,1);
DispChinese(ChE,1,1,2);
DispChinese(ChE,1,1,3);
DispChinese(ChE,0,2,0); //第三行
DispChinese(Ch7,0,2,1);
DispChinese(Ch8,0,2,2);
DispChinese(Ch9,0,2,3);
DispChinese(Ch10,1,2,0);
DispChinese(Ch11,1,2,1);
DispChinese(Ch12,1,2,2);
DispChinese(Ch13,1,2,3);
DispChinese(ChE,0,3,0); //第四行
DispChinese(ChE,0,3,1);
DispChinese(ChE,0,3,2);
DispChinese(ChE,0,3,3);
DispChinese(ChE,1,3,0);
DispChinese(ChE,1,3,1);
DispChinese(ChE,1,3,2);
DispChinese(ChE,1,3,3);
Delay(0xffffff);
if(kbd_hit()) //如有用户按键，则清屏后返回主程序；
{
LCDTest(0x00);
EXTDBWTH=tmp;
return;
}
}
}
//*********************************************************
//函数名: Delay()；
//描述： 软件延时；
//参数： 延时时间；
//返回值： 无；
//*********************************************************
static void Delay(unsigned int x)
{
int i,j;
for(i=0;i<x;i++);
for(j=0;j<0x20;j++);
}
//*********************************************************
//函数名: DispChinese()；
//描述： 在LCD屏的某个位置显示一个16×16点阵的汉字；
//参数： 汉字字模；左右半屏选择；行信息；列信息
//返回值： 无；
//*********************************************************
static void DispChinese(unsigned char Data[],int Pos,int Line,int Index)
{
int i;
if(Pos==0)
{SetPageAddress(0xB8+Line*2);
SetY(0x40+16*Index);
for(i=0;i<16;i++){
LCD_Base1_D=Data[i];
Delay(5000);
}
SetPageAddress(0xB9+Line*2);
SetY(0x40+16*Index);
for(i=16;i<32;i++){
LCD_Base1_D=Data[i];
Delay(5000);
}
}
else
{SetPageAddress(0xB8+Line*2);
SetY(0x40+16*Index);
for(i=0;i<16;i++){
LCD_Base2_D=Data[i];
Delay(5000);
}
SetPageAddress(0xB9+Line*2);
SetY(0x40+16*Index);
for(i=16;i<32;i++){
LCD_Base2_D=Data[i];
Delay(5000);
}
}
}
//*********************************************************
//函数名: DispData()；
//描述： 向显示缓冲区写入一个字符；
//参数： 写入的字符信息；
//返回值： 无；
//*********************************************************
static void DispData(unsigned char Data)
{
int i;
for(i=0;i<64;i++){
LCD_Base1_D=Data;
Delay(5000);
LCD_Base2_D=Data;
Delay(5000);
}
}
//*********************************************************
//函数名: LCDInit()；
//描述： 初始化LCD显示屏；
//参数： 无；
//返回值： 无；
//*********************************************************
static void LCDInit()
{
//首先关闭左、右半屏
LCD_Base1_I=0x3E;
Delay(5000);
LCD_Base2_I=0x3E;
Delay(5000);
//然后打开
LCD_Base1_I=0x3F;
Delay(5000);
LCD_Base2_I=0x3F;
Delay(5000);
//设置起始行数
LCD_Base1_I=0xC0;
Delay(5000);
//BusyCheck();
LCD_Base2_I=0xC0;
Delay(5000);
//BusyCheck();
//设置Y地址(Y=0)
LCD_Base1_I=0x40;
Delay(5000);
//BusyCheck();
LCD_Base2_I=0x40;
Delay(5000);
//BusyCheck();
return;
}
//*********************************************************
//函数名: LCDTest()；
//描述： 向全屏发送同一个字符，用于测试；
//参数： 要发送的字符；
//返回值： 无；
//*********************************************************
static void LCDTest(unsigned char Data)
{
int i;
for(i=0;i<8;i++)
{SetPageAddress(0xB8+i);
DispData(Data);}
}
//*********************************************************
//函数名: SetY()；
//描述： 设置Y地址；
//参数： Y地址信息；
//返回值： 无；
//*********************************************************
static void SetY(unsigned char YAddress)
{
LCD_Base1_I=YAddress;
Delay(5000);
LCD_Base2_I=YAddress;
Delay(5000);
}
//*********************************************************
//函数名: SetPageAddress()；
//描述： 设置页地址；
//参数： 页地址信息；
//返回值： 无；
//*********************************************************
static void SetPageAddress(unsigned char PageAddress)
{
LCD_Base1_I=PageAddress;
Delay(5000);
LCD_Base2_I=PageAddress;
Delay(5000);
}
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