德飞莱的TFT3.5寸彩屏从51程序移植到Arduino，不能正常显示

ych0969 · 发表于 2022-2-25 17:27

本帖最后由 ych0969 于 2022-2-25 17:43 编辑

这是我根据原代码整合测试的代码，删除了不需要部分

int X_MAX = 240;
int Y_MAX = 400;
int CS = 2;
int RES = 3;
int RS = 4;
int RW = 5;
int DATA[8] = {6, 7, 8, 9, 10, 11, 12, 13};
/*------------------------------------------------
清屏函数
------------------------------------------------*/
void ClearScreen(unsigned int bColor)
{
unsigned int i, j;
LCD_SetPos(0, X_MAX - 1, 0, Y_MAX - 1); //
for (i = 0; i < Y_MAX; i++)
{
for (j = 0; j < X_MAX; j++)
Write_Data_U16(bColor);
}
}
/*------------------------------------------------
指定区域显示指定RGB颜色
------------------------------------------------*/
void Show_RGB (unsigned int x0, unsigned int x1, unsigned int y0, unsigned int y1, unsigned int Color)
{
unsigned int i, j;
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)//8条色彩
{ unsigned char GAP = 50;
int V, H;
LCD_SetPos(0, X_MAX - 1, 0, Y_MAX - 1);
for (H = 0; H < X_MAX; H++)
{
for (V = 0; V < GAP * 1; V++)
Write_Data_U16(0xf800);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 1; V < GAP * 2; V++)
Write_Data_U16(0x07e0);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 2; V < GAP * 3; V++)
Write_Data_U16(0x001f);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 3; V < GAP * 4; V++)
Write_Data_U16(0xffe0);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 4; V < GAP * 5; V++)
Write_Data_U16(0xf81f);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 5; V < GAP * 6; V++)
Write_Data_U16(0x07ff);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 6; V < GAP * 7; V++)
Write_Data_U16(0xffff);
}
for (H = 0; H < X_MAX; H++)
{
for (V = GAP * 7; V < GAP * 8; V++)
Write_Data_U16(0x0000);
}
}
/*------------------------------------------------
写16位数据函数
------------------------------------------------*/
void Write_Data_U16(unsigned int y)
{
unsigned char m, n;
m = y >> 8;
n = y;
LCD_Write_Data(m);
LCD_Write_Data(n);
}
/*------------------------------------------------
写指令函数
------------------------------------------------*/
void LCD_Write_Command(unsigned char u)
{
// CS=0;
// RS=0;
// DataPort=u;
// RW=0;
// RW=1;
// CS=1;
digitalWrite(CS, LOW);
digitalWrite(RS, LOW);
for (int i = 0; i < 8; i++) {
digitalWrite(DATA[i], (u >> i) & 0x01);
}
digitalWrite(RW, LOW);
digitalWrite(RW, HIGH);
digitalWrite(CS, HIGH);
}
/*------------------------------------------------
写数据函数
------------------------------------------------*/
void LCD_Write_Data(unsigned char u)
{
// CS=0;
// RS=1;
// DataPort=u;
// RW=0;
// RW=1;
// CS=1;
digitalWrite(CS, LOW);
digitalWrite(RS, HIGH);
for (int i = 0; i < 8; i++) {
digitalWrite(DATA[i], (u >> i) & 0x01);
}
digitalWrite(RW, LOW);
digitalWrite(RW, HIGH);
digitalWrite(CS, HIGH);
}
void WriteCom(unsigned int a, unsigned int b)
{
LCD_Write_Command(a);
LCD_Write_Command(b);
}
void WriteData(unsigned int a, unsigned int b)
{
LCD_Write_Data(a);
LCD_Write_Data(b);
}
/*------------------------------------------------
延时函数
------------------------------------------------*/
//void delayms(unsigned int count)
//{
// int i, j;
// for (i = 0; i < count; i++)
// {
// for (j = 0; j < 260; j++);
// }
//}
/*------------------------------------------------
液晶初始化代码
------------------------------------------------*/
void TFT_Initial(void)
{
// VCI=2.80V
//************* Reset LCD Driver ****************//
//RES = 1;
digitalWrite(RES, HIGH);
delay(1);
//delayms(1); // delaymsms 1ms
//RES = 0;
digitalWrite(RES, LOW);
delay(10);
//delayms(10); // delaymsms 10ms // This delaymsms time is necessary
//RES = 1;
digitalWrite(RES, HIGH);
delay(50);
//delayms(50); // delaymsms 50 ms
// Synchronization after reset//////////
////////////////////////////////////////////
LCD_Write_Command(0x11); //Exit Sleep
delay(100);
//delayms(100);
LCD_Write_Command(0xD1);
LCD_Write_Data (0x00);
LCD_Write_Data (0x71);
LCD_Write_Data (0x19);
LCD_Write_Command(0xD0);
LCD_Write_Data (0x07);
LCD_Write_Data (0x01);
LCD_Write_Data (0x08);
LCD_Write_Command(0x36);
LCD_Write_Data (0x48);
LCD_Write_Command(0x3A);
LCD_Write_Data (0x05);
LCD_Write_Command(0xC1);
LCD_Write_Data (0x10);
LCD_Write_Data (0x10);
LCD_Write_Data (0x02);
LCD_Write_Data (0x02);
LCD_Write_Command(0xC0); //Set Default Gamma
LCD_Write_Data (0x00);
LCD_Write_Data (0x35);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (0x01);
LCD_Write_Data (0x02);
LCD_Write_Command(0xC5); //Set frame rate
LCD_Write_Data (0x04);
LCD_Write_Command(0xD2); //power setting
LCD_Write_Data (0x01);
LCD_Write_Data (0x44);
LCD_Write_Command(0xC8); //Set Gamma
LCD_Write_Data (0x04);
LCD_Write_Data (0x67);
LCD_Write_Data (0x35);
LCD_Write_Data (0x04);
LCD_Write_Data (0x08);
LCD_Write_Data (0x06);
LCD_Write_Data (0x24);
LCD_Write_Data (0x01);
LCD_Write_Data (0x37);
LCD_Write_Data (0x40);
LCD_Write_Data (0x03);
LCD_Write_Data (0x10);
LCD_Write_Data (0x08);
LCD_Write_Data (0x80);
LCD_Write_Data (0x00);
LCD_Write_Command(0x2A);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (X_MAX >> 8);
LCD_Write_Data (X_MAX);
LCD_Write_Command(0x2B);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (Y_MAX >> 8);
LCD_Write_Data (Y_MAX);
LCD_Write_Command(0x29); //display on
LCD_Write_Command(0x2C); //display on
delay(100);
//delayms(100);
}
/*------------------------------------------------
函数名称:LCD_DefineDispWindow
功能:定义显示窗体
参数:x0: 窗体中X坐标中较小者
x1: 窗体中X坐标中较大者
y0: 窗体中Y坐标中较小者
y1: 窗体中Y坐标中较大者
返回值:无
------------------------------------------------*/
void LCD_SetPos(unsigned int x0, unsigned int x1, unsigned int y0, unsigned int y1)
{
WriteCom(0x00, 0x2A);
WriteData(x0 >> 8, x0);
WriteData(x1 >> 8, x1);
WriteCom(0x00, 0x2B);
WriteData(y0 >> 8, y0);
WriteData(y1 >> 8, y1);
WriteCom(0x00, 0x2C);
}
void setup() {
pinMode(CS, OUTPUT);
pinMode(RES, OUTPUT);
pinMode(RS, OUTPUT);
pinMode(RW, OUTPUT);
for (int i = 0; i < 8; i++)
{
pinMode(DATA[i], OUTPUT);
}
TFT_Initial();//初始化
}
void loop() {
show_colour_bar(); //显示彩条
ClearScreen(0xff00);
Show_RGB(0, 240, 0, 320, 0xf800); //刷出320x240的小区域
ClearScreen(0xff00);
}

复制代码

这是原代码 main.c

/*------------------------------------------------
包含头文件
------------------------------------------------*/
#include"reg52.h"
#include"tft.h"
/*------------------------------------------------
主函数
------------------------------------------------*/
void main(void)
{
TFT_Initial();//初始化
while(1)
{
show_colour_bar(); //显示彩条
ClearScreen(0xff00);
Show_RGB (0,240,0,320,0xf800);//刷出320x240的小区域
ClearScreen(0xff00);
LCD_PutString(0,0,"朗译电子科技",0x0000,0x00f8);
LCD_PutString(0,32,"朗译电子科技",0xffff,0xf800);
LCD_PutString(0,64,"朗译电子科技",0x2334,0x0045);
LCD_PutString(0,96,"朗译电子科技",0x0560,0x0a80);
LCD_PutString(0,128,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,160,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,192,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,224,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,256,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,288,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,320,"朗译电子科技",0x0000,0x0f80);
LCD_PutString(0,352,"朗译电子科技",0x0000,0x0f80);
while(1); //刷完停止
}
}

复制代码

两个库文件 tft.c

/*------------------------------------------------
包含头文件
------------------------------------------------*/
#include"reg52.h"
#include"tft.h"
/*------------------------------------------------
定义单片机引脚
------------------------------------------------*/
sbit CS=P2^2; //片选
sbit RES=P2^1; //复位
sbit RS=P2^4; //数据/命令选择
sbit RW=P2^5;
#define DataPort P0 //数据口使用DataPort
//unsigned char code pic[];
#define X_MAX 240
#define Y_MAX 400
/*------------------------------------------------
清屏函数
------------------------------------------------*/
void ClearScreen(unsigned int bColor)
{
unsigned int i,j;
LCD_SetPos(0,X_MAX-1,0,Y_MAX-1);//
for (i=0;i<Y_MAX;i++)
{
for (j=0;j<X_MAX;j++)
Write_Data_U16(bColor);
}
}
/*------------------------------------------------
写8x16字符函数
------------------------------------------------*/
#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;
}
}
}
/*------------------------------------------------
写字符串函数
------------------------------------------------*/
void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor) {
LCD_PutChar8x16( x, y, c, fColor, bColor );
}
/*------------------------------------------------
写32x31汉字函数
------------------------------------------------*/
#include "GB3231.h" //
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+32-1,y, y+31-1);
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<124;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;
}
}
}
}
}
/*------------------------------------------------
写字符串函数
------------------------------------------------*/
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+=4;
}
}
}
/*------------------------------------------------
指定区域显示指定RGB颜色
------------------------------------------------*/
void Show_RGB (unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1,unsigned int Color)
{
unsigned int i,j;
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)
{
unsigned char GAP=50;
int V,H;
LCD_SetPos(0,X_MAX-1,0,Y_MAX-1);
for(H=0;H<X_MAX;H++)
{
for(V=0;V<GAP*1;V++)
Write_Data_U16(0xf800);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*1;V<GAP*2;V++)
Write_Data_U16(0x07e0);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*2;V<GAP*3;V++)
Write_Data_U16(0x001f);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*3;V<GAP*4;V++)
Write_Data_U16(0xffe0);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*4;V<GAP*5;V++)
Write_Data_U16(0xf81f);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*5;V<GAP*6;V++)
Write_Data_U16(0x07ff);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*6;V<GAP*7;V++)
Write_Data_U16(0xffff);
}
for(H=0;H<X_MAX;H++)
{
for(V=GAP*7;V<GAP*8;V++)
Write_Data_U16(0x0000);
}
}
/*------------------------------------------------
显示图片函数
------------------------------------------------*/
/*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_U16(0xffff);
}
for (i=0;i<170;i++)
{
for (j=0;j<55;j++)
Write_Data_U16(0xffff);
for (j=0;j<130;j++)
Write_Data_U16(pic[s++],pic[s++]);
for (j=0;j<55;j++)
Write_Data_U16(0xffff);
}
for (i=0;i<75;i++)
{
for (j=0;j<240;j++)
Write_Data_U16(0xffff);
}
}
*/
/*------------------------------------------------
写16位数据函数
------------------------------------------------*/
void Write_Data_U16(unsigned int y)
{
unsigned char m,n;
m=y>>8;
n=y;
LCD_Write_Data(m);
LCD_Write_Data(n);
}
/*------------------------------------------------
写指令函数
------------------------------------------------*/
void LCD_Write_Command(unsigned char u)
{
CS=0;
RS=0;
DataPort=u;
RW=0;
RW=1;
CS=1;
}
/*------------------------------------------------
写数据函数
------------------------------------------------*/
void LCD_Write_Data(unsigned char u)
{
CS=0;
RS=1;
DataPort=u;
RW=0;
RW=1;
CS=1;
}
WriteCom(a,b)
{
LCD_Write_Command(a);
LCD_Write_Command(b);
}
WriteData(a,b)
{
LCD_Write_Data(a);
LCD_Write_Data(b);
}
/*------------------------------------------------
延时函数
------------------------------------------------*/
void delayms(unsigned int count)
{
int i,j;
for(i=0;i<count;i++)
{
for(j=0;j<260;j++);
}
}
/*------------------------------------------------
液晶初始化代码
------------------------------------------------*/
void TFT_Initial(void)
{
// VCI=2.80V
//************* Reset LCD Driver ****************//
RES = 1;
delayms(1); // delaymsms 1ms
RES = 0;
delayms(10); // delaymsms 10ms // This delaymsms time is necessary
RES = 1;
delayms(50); // delaymsms 50 ms
// Synchronization after reset//////////
////////////////////////////////////////////
LCD_Write_Command(0x11); //Exit Sleep
delayms(100);
LCD_Write_Command(0xD1);
LCD_Write_Data (0x00);
LCD_Write_Data (0x71);
LCD_Write_Data (0x19);
LCD_Write_Command(0xD0);
LCD_Write_Data (0x07);
LCD_Write_Data (0x01);
LCD_Write_Data (0x08);
LCD_Write_Command(0x36);
LCD_Write_Data (0x48);
LCD_Write_Command(0x3A);
LCD_Write_Data (0x05);
LCD_Write_Command(0xC1);
LCD_Write_Data (0x10);
LCD_Write_Data (0x10);
LCD_Write_Data (0x02);
LCD_Write_Data (0x02);
LCD_Write_Command(0xC0); //Set Default Gamma
LCD_Write_Data (0x00);
LCD_Write_Data (0x35);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (0x01);
LCD_Write_Data (0x02);
LCD_Write_Command(0xC5); //Set frame rate
LCD_Write_Data (0x04);
LCD_Write_Command(0xD2); //power setting
LCD_Write_Data (0x01);
LCD_Write_Data (0x44);
LCD_Write_Command(0xC8); //Set Gamma
LCD_Write_Data (0x04);
LCD_Write_Data (0x67);
LCD_Write_Data (0x35);
LCD_Write_Data (0x04);
LCD_Write_Data (0x08);
LCD_Write_Data (0x06);
LCD_Write_Data (0x24);
LCD_Write_Data (0x01);
LCD_Write_Data (0x37);
LCD_Write_Data (0x40);
LCD_Write_Data (0x03);
LCD_Write_Data (0x10);
LCD_Write_Data (0x08);
LCD_Write_Data (0x80);
LCD_Write_Data (0x00);
LCD_Write_Command(0x2A);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (X_MAX>>8);
LCD_Write_Data (X_MAX);
LCD_Write_Command(0x2B);
LCD_Write_Data (0x00);
LCD_Write_Data (0x00);
LCD_Write_Data (Y_MAX>>8);
LCD_Write_Data (Y_MAX);
LCD_Write_Command(0x29); //display on
LCD_Write_Command(0x2C); //display on
delayms(100);
}
/*------------------------------------------------
函数名称:LCD_DefineDispWindow
功能:定义显示窗体
参数:x0: 窗体中X坐标中较小者
x1: 窗体中X坐标中较大者
y0: 窗体中Y坐标中较小者
y1: 窗体中Y坐标中较大者
返回值:无
------------------------------------------------*/
static void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)
{
WriteCom(0x00,0x2A);
WriteData(x0>>8,x0);
WriteData(x1>>8,x1);
WriteCom(0x00,0x2B);
WriteData(y0>>8,y0);
WriteData(y1>>8,y1);
WriteCom(0x00,0x2C);
}

复制代码

tft.h

#ifndef __TFT_H__
#define __TFT_H__
void TFT_Initial(void);
void show_colour_bar (void);
void Write_Cmd_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);
void Write_Data_U16(unsigned int y);
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 LCD_Write_Command(unsigned char u);
void LCD_Write_Data(unsigned char u);
#endif

复制代码

还有3个字符编码就不粘贴了

51所有文件

请帮看看问题在哪？谢谢

Zoologist · 发表于 2022-2-25 19:50

这样移植之后出现不显示问题最可能的是屏幕初始化部分

你仔细研究一下 51 那部分的代码，所有的初始化指令和参数都要发送过去才行

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[未解决] 德飞莱的TFT3.5寸彩屏从51程序移植到Arduino，不能正常显示