自己写的一个ILI9325 TFT彩屏单片机驱动程序 -

/*********************
TFT液晶显示测试
***********************/
#include"reg52.h"
#define WINDOW_XADDR_START 0x0050 // Horizontal Start Address Set
#define WINDOW_XADDR_END 0x0051 // Horizontal End Address Set
#define WINDOW_YADDR_START 0x0052 // Vertical Start Address Set
#define WINDOW_YADDR_END 0x0053 // Vertical End Address Set
#define GRAM_XADDR 0x0020 // GRAM Horizontal Address Set
#define GRAM_YADDR 0x0021 // GRAM Vertical Address Set
#define GRAMWR 0x0022 // memory write
/* LCD color */
#define White 0xFFFF
#define Black 0x0000
#define Blue 0x001F
#define Blue2 0x051F
#define Red 0xF800
#define Magenta 0xF81F
#define Green 0x07E0
#define Cyan 0x7FFF
#define Yellow 0xFFE0
sbit CS=P0^4; //片选
sbit RES=P0^3; //复位
sbit RS=P0^7; //数据/命令选择
sbit RW=P0^6;
//====================================================//
void main (void);
void ILI9325_Initial(void);
void show_colour_bar (void);
void Init_data(unsigned char x, unsigned int y);
void Write_Cmd(unsigned char DH,unsigned char DL);
void Write_Data(unsigned char DH,unsigned char DL);
void delayms(unsigned int tt);
void show_photo(void);
void Show_RGB (unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1,unsigned int Color);
unsigned char code pic[];
void Write_Data_U16(unsigned int y);
static void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1);
void ClearScreen(unsigned int bColor);
void LCD_PutChar8x16(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor);
void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor);
void LCD_PutString(unsigned short x, unsigned short y, char *s, unsigned int fColor, unsigned int bColor);
void LCD_PutChar8x8(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor);
void PutGB1616(unsigned short x, unsigned short y, unsigned char c[2], unsigned int fColor,unsigned int bColor);
void PutGB3232(unsigned short x, unsigned short y, unsigned char c[2], unsigned int fColor,unsigned int bColor);
//================================================//
void main(void)
{
CS=1;
delayms(25);
RES=0;
delayms(150);
RES=1;
delayms(25);
ILI9325_Initial();
while(1)
{
ClearScreen(0x0);
//show_colour_bar();
LCD_PutString(2,40,"http://www.baidu.com/",Red,Blue); ///前景颜色和背景颜色，可以直接预定义，也可以直接填入16进制数字
LCD_PutString(40,60,"I LOVE MY JOB ",Blue2,Yellow);
LCD_PutString(40,80,"123电子工作室",Magenta,Green);
LCD_PutString(40,100,"专业技术支持论坛",0x07e0,0xf800);
LCD_PutString(40,120,"专业开发板工控板",0xF800,Yellow);
LCD_PutString(40,140,"1234567890",0xF800,Yellow);
LCD_PutString(20,160,"abcdefghijklmnopqistuvwxyz",0xF800,Yellow);
LCD_PutString(20,180,"`,./<>';:[]{}\|?)(-=+*&^%$",0xF800,Yellow);
PutGB3232(20,200,"我",Blue,Yellow); //写入32x32汉字
PutGB3232(60,200,"爱",Blue,Red);
PutGB3232(100,200,"单",Blue,Magenta);
PutGB3232(140,200,"片",Blue,Green);
PutGB3232(180,200,"机",Blue,Cyan);
PutGB3232(20,240,"3",Blue,0X00);
PutGB3232(60,240,"2",Blue,0X00);
PutGB3232(100,240,"6",Blue,0X00);
PutGB3232(140,240,"电",Blue,0X00);
PutGB3232(180,240,"子",Blue,0X00);
PutGB3232(20,280,"",Blue,0X00);
PutGB3232(60,280,"欢",Blue,0X00);
PutGB3232(100,280,"迎",Blue,0X00);
PutGB3232(140,280,"你",Blue,0X00);
PutGB3232(180,280,"！",Blue,0X00);
// show_photo();
while(1);
}
}
void ClearScreen(unsigned int bColor)
{
unsigned int i,j;
LCD_SetPos(0,240,0,320);//320x240
for (i=0;i<325;i++)
{
for (j=0;j<240;j++)
Write_Data_U16(bColor);
}
}
/////////////////////////////////////////////////////////////
#include "8X16.h"
void LCD_PutChar8x16(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor)
{
unsigned int i,j;
LCD_SetPos(x,x+8-1,y,y+16-1);
for(i=0; i<16;i++) {
unsigned char m=Font8x16[c*16+i];
for(j=0;j<8;j++) {
if((m&0x80)==0x80) {
Write_Data_U16(fColor);
}
else {
Write_Data_U16(bColor);
}
m<<=1;
}
}
}
void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor) {
LCD_PutChar8x16( x, y, c, fColor, bColor );
}
#include "GB1616.h" //16*16汉字字模
void PutGB1616(unsigned short x, unsigned short y, unsigned char c[2], unsigned int fColor,unsigned int bColor){
unsigned int i,j,k;
LCD_SetPos(x, x+16-1,y, y+16-1);
for (k=0;k<64;k++) { //64标示自建汉字库中的个数，循环查询内码
if ((codeGB_16[k].Index[0]==c[0])&&(codeGB_16[k].Index[1]==c[1])){
for(i=0;i<32;i++) {
unsigned short m=codeGB_16[k].Msk[i];
for(j=0;j<8;j++) {
if((m&0x80)==0x80) {
Write_Data_U16(fColor);
}
else {
Write_Data_U16(bColor);
}
m<<=1;
}
}
}
}
}
#include "GB3232.h" //32*32汉字字模
void PutGB3232(unsigned short x, unsigned short y, unsigned char c[2], unsigned int fColor,unsigned int bColor){
unsigned int i,j,k;
LCD_SetPos(x, x+32-1,y, y+32-1);
for (k=0;k<15;k++) { //15标示自建汉字库中的个数，循环查询内码
if ((codeGB_32[k].Index[0]==c[0])&&(codeGB_32[k].Index[1]==c[1])){
for(i=0;i<128;i++) {
unsigned short m=codeGB_32[k].Msk[i];
for(j=0;j<8;j++) {
if((m&0x80)==0x80) {
Write_Data_U16(fColor);
}
else {
Write_Data_U16(bColor);
}
m<<=1;
}
}
}
}
}
void LCD_PutString(unsigned short x, unsigned short y, unsigned char *s, unsigned int fColor, unsigned int bColor) {
unsigned char l=0;
while(*s) {
if( *s < 0x80)
{
LCD_PutChar(x+l*8,y,*s,fColor,bColor);
s++;l++;
}
else
{
PutGB1616(x+l*8,y,(unsigned char*)s,fColor,bColor);
s+=2;l+=2;
}
}
}
//==================== 显示R G B 顔色 ====================//
void Show_RGB (unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1,unsigned int Color)
{
unsigned int i,j;
//address_set();
LCD_SetPos(x0,x1,y0,y1);
for (i=y0;i<=y1;i++)
{
for (j=x0;j<=x1;j++)
Write_Data_U16(Color);
}
}
//====================== 显示彩条 ======================//
void show_colour_bar (void)
{
int V,H;
LCD_SetPos(0,240,0,320);//320x240
for(H=0;H<240;H++)
{
for(V=0;V<40;V++)
Write_Data(0xf8,0x00);
}
for(H=0;H<240;H++)
{
for(V=40;V<80;V++)
Write_Data(0x07,0xe0);
}
for(H=0;H<240;H++)
{
for(V=80;V<120;V++)
Write_Data(0x00,0x1f);
}
for(H=0;H<240;H++)
{
for(V=120;V<160;V++)
Write_Data(0xff,0xe0);
}
for(H=0;H<240;H++)
{
for(V=160;V<200;V++)
Write_Data(0xf8,0x1f);
}
for(H=0;H<240;H++)
{
for(V=200;V<240;V++)
Write_Data(0x07,0xff);
}
for(H=0;H<240;H++)
{
for(V=240;V<280;V++)
Write_Data(0xff,0xff);
}
for(H=0;H<240;H++)
{
for(V=280;V<320;V++)
Write_Data(0x00,0x00);
}
}
void show_photo(void)
{
unsigned char j;
unsigned int i;
unsigned long s=0;
LCD_SetPos(0,240,0,320);//320x240
for (i=0;i<75;i++)
{
for (j=0;j<240;j++)
Write_Data(0xff,0xff);
}
for (i=0;i<170;i++)
{
for (j=0;j<55;j++)
Write_Data(0xff,0xff);
for (j=0;j<130;j++)
Write_Data(pic[s++],pic[s++]);
for (j=0;j<55;j++)
Write_Data(0xff,0xff);
}
for (i=0;i<75;i++)
{
for (j=0;j<240;j++)
Write_Data(0xff,0xff);
}
}
//=======================================================//
void Init_data (unsigned char x,unsigned int y)
{
unsigned char m,n;
m=y>>8;
n=y;
Write_Cmd(0x00,x);
Write_Data(m,n);
}
void Write_Data_U16(unsigned int y)
{
unsigned char m,n;
m=y>>8;
n=y;
Write_Data(m,n);
}
//====================== 写命令 ==========================//
void Write_Cmd(unsigned char DH,unsigned char DL)
{
CS=0;
RS=0;
P2=DH;
RW=0;
RW=1;
P2=DL;
RW=0;
RW=1;
CS=1;
}
//===================== 写数据 ===========================//
void Write_Data(unsigned char DH,unsigned char DL)
{
CS=0;
RS=1;
P2=DH;
RW=0;
RW=1;
P2=DL;
RW=0;
RW=1;
CS=1;
}
//=======================================================
void delayms(unsigned int count)
{
int i,j;
for(i=0;i<count;i++)
{
for(j=0;j<260;j++);
}
}
//===================== 初始化代码 =======================//
void ILI9325_Initial(void)
{
//////////////////////////////////////////////////////////
delayms(150); //根据不同晶振速度可以调整延时，保障稳定显示
Init_data(0x00E5, 0x8000); // Set the Vcore voltage and this setting is must.
Init_data(0x0000, 0x0001); // Start internal OSC.
Init_data(0x0001, 0x0100); // set SS and SM bit
Init_data(0x0002, 0x0700); // set 1 line inversion
Init_data(0x0003, 0x0030); // set GRAM write direction and BGR=0.
Init_data(0x0004, 0x0000); // Resize register
Init_data(0x0008, 0x0202); // set the back porch and front porch
Init_data(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]
Init_data(0x000A, 0x0000); // FMARK function
Init_data(0x000C, 0x0000); // RGB interface setting
Init_data(0x000D, 0x0000); // Frame marker Position
Init_data(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
Init_data(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
Init_data(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
Init_data(0x0012, 0x0000); // VREG1OUT voltage
Init_data(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
delayms(200); // Dis-charge capacitor power voltage
Init_data(0x0010, 0x17B0); // SAP, BT[3:0], AP, DSTB, SLP, STB
Init_data(0x0011, 0x0037); // DC1[2:0], DC0[2:0], VC[2:0]
delayms(50); // Delay 50ms
Init_data(0x0012, 0x013E); // VREG1OUT voltage
delayms(50); // Delay 50ms
Init_data(0x0013, 0x1F00); // VDV[4:0] for VCOM amplitude
Init_data(0x0029, 0x0013); // VCM[4:0] for VCOMH
delayms(50);
Init_data(0x0020, 0x0000); // GRAM horizontal Address
Init_data(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
Init_data(0x0030, 0x0000);
Init_data(0x0031, 0x0404);
Init_data(0x0032, 0x0404);
Init_data(0x0035, 0x0004);
Init_data(0x0036, 0x0404);
Init_data(0x0037, 0x0404);
Init_data(0x0038, 0x0404);
Init_data(0x0039, 0x0707);
Init_data(0x003C, 0x0500);
Init_data(0x003D, 0x0607);
//------------------ Set GRAM area ---------------//
Init_data(0x0050, 0x0000); // Horizontal GRAM Start Address
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