20脚屏幕,坏的游戏机上的,资料很难找。用的8位PIC16F74驱动。屏是并口驱动型。
//////////////////////////////////////////////////////////////////////////////////
//本程序只供学习使用,未经作者许可,不得用于其它任何用途
// 功能描述 : 1.8寸LCD
/******************************************************************************/
#include <pic.h>
__CONFIG(0x3B31);
#include"font.h"
//关闭看门狗,选择高速晶振,上电延时复位,掉电复位使能,代码保护
#define uchar unsigned char
#define uint unsigned int
#define C_S RA4 //串行数据输入端
#define RES RD6 //数据锁存端
#define R_S RD5 //时钟
#define W_R RD4 //数据锁存端
#define R_D RD3
#define _nop_() asm("nop")
/******************
***********************/
void dsp_single_colour(int color);
void Contrast_Adjust();
const typFNT_GBK16 hz16[];
void Font_Test(void);
void Output_Pixel(uint x,uint y);
void delay_ms(uint time)
{
uint i,j;
for(i=0;i<time;i++)
for(j=0;j<250;j++);
}
//定义常用颜色
#define RED 0xf800
#define GREEN 0x07e0
#define BLUE 0x001f
#define WHITE 0xffff
#define BLACK 0x0000
#define YELLOW 0xFFE0
#define GRAY0 0xEF7D
#define GRAY1 0x8410
#define GRAY2 0x4208
///////////////////////
void delay(uint time)
{
uint i,j;
for(i=0;i<time;i++)
for(j=0;j<200;j++);
}
///////////////////////////////////
//向液晶屏写一个8位指令
void Lcd_WriteIndex(uchar Data)
{
R_S=0;//选择指令存储器
C_S=0;
W_R=0;
R_D=1;
PORTB=Data;
R_D=0;
W_R=1;
C_S=1;
}
//向液晶屏写一个8位数据
void Lcd_WriteData(uchar Data)
{
R_S=1;//选择数据存储器,指令执行时间1us
C_S=0;
W_R=0;
R_D=1;
PORTB=Data;
R_D=0;
W_R=1;
C_S=1;
}
//向液晶屏写一个16位数据
void Lcd_WriteData_16(unsigned int Data)
{
uchar i,j;
i=(Data>>8);
j=Data;
R_S=1;//选择数据存储器,指令执行时间1us
C_S=0;
W_R=0;
R_D=1;
Lcd_WriteData(i);
Lcd_WriteData(j);
R_D=0;
W_R=1;
C_S=1;
}
//LCD复位时序
void Reset(void)
{
reset=0;
delay(100);
reset=1;
delay(100);
}
//////////////////////////////////////////////////////////////////////////////////////////////
//液晶屏初始化
void lcd_initial(void)
{
Reset();//Reset before LCD Init.
//LCD Init
Lcd_WriteIndex(0x11);//Sleep exit
delay (120);
//ST7735R Frame Rate
Lcd_WriteIndex(0xB1);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);
Lcd_WriteIndex(0xB2);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);
Lcd_WriteIndex(0xB3);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);
Lcd_WriteData(0x01);
Lcd_WriteData(0x2C);
Lcd_WriteData(0x2D);
Lcd_WriteIndex(0xB4); //Column inversion
Lcd_WriteData(0x07);
//ST7735R Power Sequence
Lcd_WriteIndex(0xC0);
Lcd_WriteData(0xA2);
Lcd_WriteData(0x02);
Lcd_WriteData(0x84);
Lcd_WriteIndex(0xC1);
Lcd_WriteData(0xC5);
Lcd_WriteIndex(0xC2);
Lcd_WriteData(0x0A);
Lcd_WriteData(0x00);
Lcd_WriteIndex(0xC3);
Lcd_WriteData(0x8A);
Lcd_WriteData(0x2A);
Lcd_WriteIndex(0xC4);
Lcd_WriteData(0x8A);
Lcd_WriteData(0xEE);
Lcd_WriteIndex(0xC5); //VCOM
Lcd_WriteData(0x0E);
Lcd_WriteIndex(0x36); //MX, MY, RGB mode
Lcd_WriteData(0xC0);
#ifdef USE_LANDSCAPE
Lcd_WriteData(0xA8); //竖屏C8 横屏08 A8
#else
Lcd_WriteData(0xC8); //竖屏C8 横屏08 A8
#endif
//ST7735R Gamma Sequence
Lcd_WriteIndex(0xe0);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x1a);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x18);
Lcd_WriteData(0x2f);
Lcd_WriteData(0x28);
Lcd_WriteData(0x20);
Lcd_WriteData(0x22);
Lcd_WriteData(0x1f);
Lcd_WriteData(0x1b);
Lcd_WriteData(0x23);
Lcd_WriteData(0x37);
Lcd_WriteData(0x00);
Lcd_WriteData(0x07);
Lcd_WriteData(0x02);
Lcd_WriteData(0x10);
Lcd_WriteIndex(0xe1);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x1b);
Lcd_WriteData(0x0f);
Lcd_WriteData(0x17);
Lcd_WriteData(0x33);
Lcd_WriteData(0x2c);
Lcd_WriteData(0x29);
Lcd_WriteData(0x2e);
Lcd_WriteData(0x30);
Lcd_WriteData(0x30);
Lcd_WriteData(0x39);
Lcd_WriteData(0x3f);
Lcd_WriteData(0x00);
Lcd_WriteData(0x07);
Lcd_WriteData(0x03);
Lcd_WriteData(0x10);
Lcd_WriteIndex(0x2a);
Lcd_WriteData(0x00);
Lcd_WriteData(0x00+2);
Lcd_WriteData(0x00);
Lcd_WriteData(0x80+2);
Lcd_WriteIndex(0x2b);
Lcd_WriteData(0x00);
Lcd_WriteData(0x00+3);
Lcd_WriteData(0x00);
Lcd_WriteData(0x80+3);
Lcd_WriteIndex(0xF0); //Enable test command
Lcd_WriteData(0x01);
Lcd_WriteIndex(0xF6); //Disable ram power save mode
Lcd_WriteData(0x00);
Lcd_WriteIndex(0x3A); //65k mode
Lcd_WriteData(0x05);
Lcd_WriteIndex(0x29);//Display on
}
/*************************************************
函数名:LCD_Set_Region
功能:设置lcd显示区域,在此区域写点数据自动换行
入口参数:xy起点和终点
返回值:无
*************************************************/
void Lcd_SetRegion(unsigned int x_start,unsigned int y_start,unsigned int x_end,unsigned int y_end)
{
#ifdef USE_LANDSCAPE//使用横屏模式
Lcd_WriteIndex(0x2a);
Lcd_WriteData(0x02);
Lcd_WriteData(x_start+2);
Lcd_WriteData(0x02);
Lcd_WriteData(x_end+2);
Lcd_WriteIndex(0x2b);
Lcd_WriteData(0x01);
Lcd_WriteData(y_start+1);
Lcd_WriteData(0x01);
Lcd_WriteData(y_end+1);
#else//竖屏模式
Lcd_WriteIndex(0x2a);
Lcd_WriteData(0x02);
Lcd_WriteData(x_start+2);
Lcd_WriteData(0x02);
Lcd_WriteData(x_end+2);
Lcd_WriteIndex(0x2b);
Lcd_WriteData(0x01);
Lcd_WriteData(y_start+1);
Lcd_WriteData(0x01);
Lcd_WriteData(y_end+1);
#endif
Lcd_WriteIndex(0x2c);
}
//全屏填充函数
void LCD_Clear(unsigned int Color)
{
uchar i,j;
Lcd_SetRegion(0,0,127,159);
for (i=0;i<160;i++)
{
for (j=0;j<128;j++)
{
Lcd_WriteData_16(Color);
}
}
}
void dsp_single_colour(int color)
{
uchar i,j;
Lcd_SetRegion(0,0,128-1,160-1);
for (i=0;i<160;i++)
for (j=0;j<128;j++)
Lcd_WriteData_16(color);
}
void PutPixel(uint x_start,uint y_start,uint color)
{
Lcd_SetRegion(x_start,y_start,x_start+1,y_start+1);
Lcd_WriteData_16(color);
}
//采用设置窗口方法填充字库数据,相比Gui_DrawFont_GBK16更快速
void Fast_DrawFont_GBK16(uint x, uint y, uint fc, uint bc, uchar *s)
{
unsigned char i,j;
unsigned short k;
uint HZnum;
HZnum=sizeof(hz16)/sizeof(typFNT_GBK16);
while(*s)
{
if((*s) >= 128)
{
for (k=0;k<HZnum;k++)
{
if ((hz16[k].Index[0]==*(s))&&(hz16[k].Index[1]==*(s+1)))
{ Lcd_SetRegion(x,y,x+16-1,y+16-1);
for(i=0;i<16*2;i++)
{
for(j=0;j<8;j++)
{
if(hz16[k].Msk&(0x80>>j)) Lcd_WriteData_16(fc);
else
{
if (fc!=bc) Lcd_WriteData_16(bc);
}
}
}
}
}
s+=2;x+=16;
}
else
s+=1;
}
}
//此方法描绘汉字较慢
void Gui_DrawFont_GBK16(uint x, uint y, uint fc, uint bc, uchar *s)
{
unsigned char i,j;
unsigned short k,x0;
x0=x;
while(*s)
{
if((*s) >= 128)
{
for (k=0;k<hz16_num;k++)
{
if ((hz16[k].Index[0]==*(s))&&(hz16[k].Index[1]==*(s+1)))
{
for(i=0;i<16;i++)
{
for(j=0;j<8;j++)
{
if(hz16[k].Msk[i*2]&(0x80>>j)) PutPixel(x+j,y+i,fc);
else {
if (fc!=bc) PutPixel(x+j,y+i,bc);
}
}
for(j=0;j<8;j++)
{
if(hz16[k].Msk[i*2+1]&(0x80>>j)) PutPixel(x+j+8,y+i,fc);
else
{
if (fc!=bc) PutPixel(x+j+8,y+i,bc);
}
}
}
}
}
s+=2;x+=16;
}
else
s+=1;
}
}
//取模方式 水平扫描 从左到右 低位在前
void showimage(const unsigned char *p) //显示40*40 QQ图片
{
int i,j,k;
unsigned char picH,picL;
dsp_single_colour(GREEN); //清屏
for(k=0;k<4;k++)
{
for(j=0;j<3;j++)
{
Lcd_SetRegion(40*j,40*k,40*j+39,40*k+39); //坐标设置
for(i=0;i<40*40;i++)
{
picL=*(p+i*2); //数据低位在前
picH=*(p+i*2+1);
Lcd_WriteData_16(picH<<8|picL);
}
}
}
}
void Font_Test(void)
{//中文显示测试全动迎您因为专业所以注
dsp_single_colour(WHITE);
Fast_DrawFont_GBK16(16,10,BLUE,YELLOW, "******");
Fast_DrawFont_GBK16(32,30,RED,WHITE, "感温探测");
Fast_DrawFont_GBK16(40,50,BLUE,WHITE, "欢迎您");
Fast_DrawFont_GBK16(32,70,WHITE,BLUE, "因为专注");
Fast_DrawFont_GBK16(32,90,WHITE,BLUE, "所以专业");
delay_ms(1800);
}
main()
{
TRISD=0X00;
TRISB=0X00;
lcd_initial();
while(1)
{
Font_Test();
delay_ms(3500);
}
}
/******************/
font.h
//////////
typedef struct
{
unsigned char Index[2];
char Msk[32];
}typFNT_GBK16;
//宋体5号
#define hz16_num 50
//中文显示测试青岛中阳消防感温探测欢迎您因为专注所以专业
const typFNT_GBK16 hz16[] = {
"*",0x01,0x00,0x01,0x00,0x7F,0xFC,0x01,0x00,0x3F,0xF8,0x01,0x00,0xFF,0xFE,0x00,0x00,
0x1F,0xF0,0x10,0x10,0x1F,0xF0,0x10,0x10,0x1F,0xF0,0x10,0x10,0x10,0x50,0x10,0x20,/*0*/
"*",0x01,0x00,0x02,0x00,0x1F,0xF0,0x10,0x10,0x12,0x10,0x11,0x50,0x10,0x20,0x10,0x00,
0x1F,0xFC,0x02,0x04,0x22,0x24,0x22,0x24,0x3F,0xE4,0x00,0x04,0x00,0x28,0x00,0x10,/*1*/
"*",0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,0x21,0x08,0x21,0x08,0x21,0x08,
0x21,0x08,0x21,0x08,0x3F,0xF8,0x21,0x08,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,/*2*/
"*",0x00,0x00,0x7C,0x00,0x45,0xFC,0x49,0x04,0x49,0x04,0x51,0x04,0x49,0x04,0x49,0x04,
0x45,0xFC,0x45,0x04,0x45,0x04,0x69,0x04,0x51,0x04,0x41,0x04,0x41,0xFC,0x41,0x04,/*3*/
"*",0x00,0x40,0x22,0x48,0x11,0x48,0x11,0x50,0x80,0x40,0x43,0xF8,0x4A,0x08,0x0A,0x08,
0x13,0xF8,0x12,0x08,0xE2,0x08,0x23,0xF8,0x22,0x08,0x22,0x08,0x22,0x28,0x02,0x10,/*4*/
"*",0x00,0x40,0x7C,0x20,0x44,0x20,0x4B,0xFE,0x48,0x80,0x50,0x80,0x48,0x80,0x48,0xFC,
0x44,0x84,0x44,0x84,0x44,0x84,0x68,0x84,0x51,0x04,0x41,0x04,0x42,0x28,0x44,0x10,/*5*/
"感",0x00,0x28,0x00,0x24,0x3F,0xFE,0x20,0x20,0x2F,0xA4,0x20,0x24,0x2F,0xA8,0x28,0x98,
0x28,0x92,0x4F,0xAA,0x40,0x46,0x80,0x82,0x01,0x00,0x48,0x84,0x48,0x12,0x87,0xF2,/*6*/
"温",0x00,0x00,0x23,0xF8,0x12,0x08,0x12,0x08,0x83,0xF8,0x42,0x08,0x42,0x08,0x13,0xF8,
0x10,0x00,0x27,0xFC,0xE4,0xA4,0x24,0xA4,0x24,0xA4,0x24,0xA4,0x2F,0xFE,0x00,0x00,/*7*/
"探",0x20,0x00,0x27,0xFC,0x24,0x04,0x24,0xA4,0xF9,0x10,0x22,0x08,0x20,0x40,0x28,0x40,
0x37,0xFC,0xE0,0x40,0x20,0xE0,0x21,0x50,0x22,0x48,0x2C,0x46,0xA0,0x40,0x40,0x40,/*8*/
"测",0x00,0x04,0x27,0xC4,0x14,0x44,0x14,0x54,0x85,0x54,0x45,0x54,0x45,0x54,0x15,0x54,
0x15,0x54,0x25,0x54,0xE5,0x54,0x21,0x04,0x22,0x84,0x22,0x44,0x24,0x14,0x08,0x08,/*9*/
"欢",0x00,0x80,0x00,0x80,0xFC,0x80,0x04,0xFC,0x05,0x04,0x49,0x08,0x2A,0x40,0x14,0x40,
0x10,0x40,0x28,0xA0,0x24,0xA0,0x45,0x10,0x81,0x10,0x02,0x08,0x04,0x04,0x08,0x02,/*10*/
"迎",0x00,0x00,0x20,0x80,0x13,0x3C,0x12,0x24,0x02,0x24,0x02,0x24,0xF2,0x24,0x12,0x24,
0x12,0x24,0x12,0xB4,0x13,0x28,0x12,0x20,0x10,0x20,0x28,0x20,0x47,0xFE,0x00,0x00,/*11*/
"您",0x09,0x00,0x09,0x00,0x11,0xFC,0x32,0x04,0x54,0x48,0x99,0x50,0x11,0x48,0x12,0x44,
0x14,0x44,0x11,0x40,0x10,0x80,0x02,0x00,0x51,0x04,0x51,0x12,0x90,0x12,0x0F,0xF0,/*12*/
"因",0x00,0x00,0x7F,0xFC,0x40,0x04,0x41,0x04,0x41,0x04,0x41,0x04,0x5F,0xF4,0x41,0x04,
0x42,0x84,0x42,0x44,0x44,0x24,0x48,0x14,0x50,0x14,0x40,0x04,0x7F,0xFC,0x40,0x04,/*13*/
"为",0x01,0x00,0x21,0x00,0x11,0x00,0x11,0x00,0x01,0x00,0x7F,0xF8,0x02,0x08,0x02,0x08,
0x02,0x88,0x04,0x48,0x04,0x48,0x08,0x08,0x10,0x08,0x20,0x08,0x40,0x50,0x80,0x20,/*14*/
"专",0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,0x02,0x00,0x02,0x00,0xFF,0xFE,0x04,0x00,
0x08,0x00,0x0F,0xF0,0x00,0x10,0x00,0x20,0x06,0x40,0x01,0x80,0x00,0x40,0x00,0x20,/*15*/
"业",0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x44,0x44,0x24,0x44,0x24,0x48,0x14,0x48,
0x14,0x50,0x14,0x60,0x04,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0xFF,0xFE,0x00,0x00,/*16*/
"所",0x02,0x08,0x07,0x1C,0x38,0xE0,0x20,0x80,0x20,0x80,0x3E,0x80,0x22,0xFE,0x22,0x88,
0x22,0x88,0x3E,0x88,0x20,0x88,0x20,0x88,0x41,0x08,0x41,0x08,0x82,0x08,0x04,0x08,/*17*/
"以",0x00,0x10,0x04,0x10,0x22,0x10,0x21,0x10,0x21,0x10,0x20,0x10,0x20,0x10,0x20,0x20,
0x20,0x20,0x20,0x20,0x24,0x40,0x28,0x50,0x30,0x88,0x21,0x04,0x02,0x02,0x04,0x02,/*18*/
"注",0x00,0x80,0x20,0x40,0x10,0x00,0x17,0xFC,0x80,0x40,0x40,0x40,0x40,0x40,0x10,0x40,
0x13,0xFC,0x20,0x40,0xE0,0x40,0x20,0x40,0x20,0x40,0x20,0x40,0x2F,0xFE,0x00,0x00,/*19*/
" ",0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",20*/
};
有需要的可以一块学习。
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