#include <reg51.h>
#define TFT_DATAPORTH P1
#define TFT_DATAPORTL P0
typedef unsigned char uchar;
typedef unsigned int uint;
sbit TFT_RW=P2^5;
sbit TFT_RS=P2^6;
sbit TFT_CS=P2^7; //片选（低电平有效）
sbit TFT_RST=P3^3; //低电平复位
sbit TFT_RD=P3^0; //RD=0:读信号；RD=1:写数据
void TFT_init(void);
void delay(int x);
void TFT_writecmd(uint cmd); //该函数把命令字写入到TFT控制器
void TFT_writedata(uint dat); //该函数把数据字写入到TFT控制器
void TFT_write_cmd_data(uint cmd,uint dat); //该函数把命令字和数据字都写入到TFT控制器
void TFT_clearscreen(uint color); //清屏函数
void TFT_setwindow(uchar xStart,uchar yStart,uchar xEnd,uchar yEnd); //设置显示窗口
void GUI_Write32CnChar(uint x, uint y, uchar *cn, uint wordColor, uint backColor);//显示汉字
typedef struct _Cn32Char // 汉字字模数据结构
{
uchar GBK[2]; // 汉字内码索引,一个汉字占两个字节
uchar hanzi[116]; // 点阵码数据(32*29/8)
}Cn32Char;
Cn32Char code CnChar32x29[]={
/*-- 文字: 普 --*/
/*-- 宋体22; 此字体下对应的点阵为：宽x高=29x29 --*/
/*-- 宽度不是8的倍数，现调整为：宽度x高度=32x29 --*/
"普",0x00,0x00,0x00,0x00,0x00,0x07,0x0C,0x00,0x00,0x1E,0x3E,0x00,0x00,0x3C,0x0E,0x00,
0x00,0x3C,0x87,0x03,0xF8,0xFF,0xFF,0x07,0x00,0x1C,0x07,0x00,0x60,0x1C,0xE7,0x00,
0xE0,0x1C,0xE7,0x01,0xC0,0x1D,0x77,0x00,0xC0,0x1F,0x77,0x00,0x80,0x1F,0x3F,0x00,
0x80,0x1D,0x1F,0x07,0xFF,0xFF,0xFF,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x00,0x30,0x00,0x80,0xFF,0x7F,0x00,0x80,0x03,0x38,0x00,0x80,0x03,0x38,0x00,
0x80,0x03,0x38,0x00,0x80,0xFF,0x3F,0x00,0x80,0x03,0x38,0x00,0x80,0x03,0x38,0x00,
0x80,0x03,0x38,0x00,0x80,0xFF,0x3F,0x00,0x80,0x03,0x38,0x00,0x80,0x01,0x18,0x00,
0x00,0x00,0x00,0x00
};
void main(void)
{
int i=0;
TFT_init();
TFT_clearscreen(0xf800);
GUI_Write32CnChar(24,25,"普",0x0000,0x0f800);
while(1);
}
void delay(int x)
{
int a;
while(x--)
{
for(a=0;a<200;a++);
}
}
void TFT_init(void)
{
TFT_RST=1;
delay(1);
TFT_RST=0;
delay(1);
TFT_RST=1;
delay(1);
TFT_CS=0;
TFT_write_cmd_data(0x0014,0x0030);
TFT_write_cmd_data(0x000f,0x0008);
TFT_write_cmd_data(0x0011,0x0231);
TFT_write_cmd_data(0x0012,0x000a);
TFT_write_cmd_data(0x0013,0x145d);
TFT_write_cmd_data(0x0010,0x5268);
delay(10);
TFT_write_cmd_data(0x0012,0x001a);
delay(10);
TFT_write_cmd_data(0x0010,0x5260);
TFT_write_cmd_data(0x0013,0x345d);
delay(10);
TFT_write_cmd_data(0x0030,0x0000);
TFT_write_cmd_data(0x0031,0x0705);
TFT_write_cmd_data(0x0032,0x0706);
TFT_write_cmd_data(0x0033,0x0102);
TFT_write_cmd_data(0x0034,0x0204);
TFT_write_cmd_data(0x0035,0x0000);
TFT_write_cmd_data(0x0036,0x0104);
TFT_write_cmd_data(0x0037,0x0007);
TFT_write_cmd_data(0x0038,0x0000);
TFT_write_cmd_data(0x0039,0x0000);
TFT_write_cmd_data(0x0001,0x011b);
TFT_write_cmd_data(0x0002,0x0700);
TFT_write_cmd_data(0x0003,0x1030);
TFT_write_cmd_data(0x000b,0x1010);
TFT_write_cmd_data(0x000a,0x4420);
TFT_write_cmd_data(0x000b,0x5030);
TFT_write_cmd_data(0x0007,0x0005);
TFT_write_cmd_data(0x0007,0x0025);
TFT_write_cmd_data(0x0007,0x0027);
TFT_write_cmd_data(0x0007,0x0037);
}
void TFT_writecmd(uint cmd)
{
TFT_RW=1;
TFT_CS=0;
TFT_RD=1;
TFT_RS=0;
TFT_DATAPORTH=cmd>>8;
TFT_RW=0;
TFT_RW=1;
TFT_DATAPORTL=cmd&0x00ff;
TFT_RW=0;
TFT_RW=1;
TFT_CS=1;
}
void TFT_writedata(uint dat)
{
TFT_RW=1;
TFT_CS=0;
TFT_RD=1;
TFT_RS=1;
TFT_DATAPORTH=dat>>8;
TFT_RW=0;
TFT_RW=1;
TFT_DATAPORTL=dat&0x00ff;
TFT_RW=0;
TFT_RW=1;
TFT_CS=1;
}
void TFT_write_cmd_data(uint cmd,uint dat)
{
TFT_writecmd(cmd);
TFT_writedata(dat);
}
void TFT_clearscreen(uint color)
{
int i,j;
TFT_setwindow(0,0,175,219);
for(i=0;i<=175;i++)
{
for(j=0;j<=219;j++)
{
TFT_writedata(color);
}
}
}
void TFT_setwindow(uchar xStart,uchar yStart,uchar xEnd,uchar yEnd)
{
uint x,y,z;
x=(xEnd<<8)|xStart;
y=(yEnd<<8)|yStart;
z=(yStart<<8)|xStart;
TFT_write_cmd_data(0x44,x);
TFT_write_cmd_data(0x45,y);
TFT_write_cmd_data(0x21,z);
TFT_write_cmd_data(0x22,0x0000);
}
void GUI_Write32CnChar(uint x, uint y, uchar *cn, uint wordColor, uint backColor)
{
uchar i,j,wordNum;
uint color;
while(*cn!='\0')
{
TFT_setwindow(x,y,x+31,y+28);
for(wordNum=0;wordNum<20;wordNum++)
{ //wordNum扫描字库的字
if((CnChar32x29[wordNum].GBK[0]==*cn)&&(CnChar32x29[wordNum].GBK[1]==*(cn+1)))
{
for(i=0; i<116; i++)
{ //MSK的位数
color=CnChar32x29[wordNum].hanzi[i];
for(j=0;j<8;j++)
{
if((color&0x80)==0x80)
{
TFT_writedata(wordColor);
}
else
{
TFT_writedata(backColor);
}
color<<=1;
}//for(j=0;j<8;j++)结束
}
}
} //for (wordNum=0; wordNum<20; wordNum++)结束
cn+=2;
x+=32;
}
} |
