TFT2.4 C51驱动程序

2023-12-12 来源：易榕旅网

TFT控制器TL1763初始化及显示驱动程序 2011,2,27

#include \"lcd.h\"

#include \"asc_zimo.h\" #include \"Hz_zimo.h\"

#define LT1763

#define DATA_12864

U16 PenColor; U16 BackColor;

//==================== 微秒延时子程序 ========================== void DelayUs(U16 us) { while(us--); }

//=================== 毫秒延时子程序 =========================== void DelayMs( U16 ms) { while(ms--) DelayUs(149); }

//================================= #ifdef DATA_12864

void LCD_WrCmd(U16 cmd) //时序见手册 {

LCD_nCS=0; LCD_RS=0;

LCD_DAT=(cmd>>8); //write high byte LCD_nWR=0; LCD_nWR=1;

LCD_DAT=(cmd&0xff); //write low byte LCD_nWR=0; LCD_nWR=1; LCD_nCS=1; }

//================================= void LCD_WrDat(U16 dat) {

LCD_nCS=0; LCD_RS=1;

LCD_DAT=(dat>>8); //write high byte LCD_nWR=0; LCD_nWR=1;

LCD_DAT=(dat&0xff); //write low byte LCD_nWR=0; LCD_nWR=1; LCD_nCS=1; }

U16 LCD_RdDat(void) {

U16 buf;

buf = XBYTE[0x1C00]; /*

LCD_nCS_0; LCD_RS_1; LCD_nRD_0;

buf=LCD_Dat_Rd;

buf=buf & 0xff00; //read high byte LCD_nRD_1; LCD_nRD_0;

buf=(LCD_Dat_Rd>>8)|buf;//read low byte LCD_nRD_1; LCD_nCS_1; return buf; */ }

#endif

//================================= void LCD_WrCmdDat(U16 addr,U16 dat) {

LCD_WrCmd(addr); LCD_WrDat(dat); }

#ifdef ILI9325

void LCD_Init(void) {

LCD_BLEN_0;

LCD_nRST_0; //低电平复位 DelayMs(10); LCD_nRST_1;

//************* Start Initial Sequence **********//

LCD_WrCmdDat(0x00E3, 0x3008);// Set internal timing LCD_WrCmdDat(0x00E7, 0x0012); // Set internal timing LCD_WrCmdDat(0x00EF, 0x1231); // Set internal timing LCD_WrCmdDat(0x0001, 0x0100); // set SS and SM bit LCD_WrCmdDat(0x0002, 0x0700); // set 1 line inversion

LCD_WrCmdDat(0x0003, 0x1030); // set GRAM write direction and BGR=1. LCD_WrCmdDat(0x0004, 0x0000); // Resize register

LCD_WrCmdDat(0x0008, 0x0207); // set the back porch and front porch LCD_WrCmdDat(0x0009, 0x0700); //00,00//set non-display area refresh

cycle ISC[3:0]

LCD_WrCmdDat(0x000A, 0x0000); // FMARK function LCD_WrCmdDat(0x000C, 0x0000); // RGB interface setting LCD_WrCmdDat(0x000D, 0x0000); // Frame marker Position LCD_WrCmdDat(0x000F, 0x0000); // RGB interface polarity //*************Power On sequence ****************//

LCD_WrCmdDat(0x0010, 0x00f0); //00,00//SAP,BT[3:0],AP,DSTB,SLP, STB LCD_WrCmdDat(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0] LCD_WrCmdDat(0x0012, 0x0096); //00,00 // VREG1OUT voltage

LCD_WrCmdDat(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude DelayMs(200); // Dis-charge capacitor power voltage LCD_WrCmdDat(0x0010, 0x1490); // SAP, BT[3:0], AP, DSTB, SLP, STB LCD_WrCmdDat(0x0011, 0x0227); // Set DC1[2:0], DC0[2:0], VC[2:0] DelayMs(50); // Delay 50ms

LCD_WrCmdDat(0x0012, 0x001D); // External reference voltage= Vci; DelayMs(50); // Delay 50ms

LCD_WrCmdDat(0x0013, 0x1A00); // Set VDV[4:0] for VCOM amplitude

LCD_WrCmdDat(0x0029, 0x0033); //00,0b // SetVCM[5:0] for VCOMH LCD_WrCmdDat(0x002B, 0x000e); //00,00 // Set Frame Rate DelayMs(50); // Delay 50ms LCD_WrCmdDat(0x0020, 0x0000); // GRAM horizontal Address LCD_WrCmdDat(0x0021, 0x0000); // GRAM Vertical Address // ----------- Adjust the Gamma Curve ----------// LCD_WrCmdDat(0x0030, 0x0007); LCD_WrCmdDat(0x0031, 0x0206); LCD_WrCmdDat(0x0032, 0x0506);

LCD_WrCmdDat(0x0035, 0x0704);

LCD_WrCmdDat(0x0036, 0x1203); LCD_WrCmdDat(0x0037, 0x0007); LCD_WrCmdDat(0x0038, 0x0000); LCD_WrCmdDat(0x0039, 0x0706); LCD_WrCmdDat(0x003C, 0x0701); LCD_WrCmdDat(0x003D, 0x000F);

//------------------ Set GRAM area ---------------//

LCD_WrCmdDat(0x0050, 0x0000); // Horizontal GRAM Start Address LCD_WrCmdDat(0x0051, 0x00EF); // Horizontal GRAM End Address LCD_WrCmdDat(0x0052, 0x0000); // Vertical GRAM Start Address LCD_WrCmdDat(0x0053, 0x013F); // Vertical GRAM Start Address LCD_WrCmdDat(0x0060, 0xA700); // Gate Scan Line LCD_WrCmdDat(0x0061, 0x0001); // NDL,VLE, REV LCD_WrCmdDat(0x006A, 0x0000); // set scrolling line

//-------------- Panel Control -------------------// */ LCD_WrCmdDat(0x0090, 0x0010); LCD_WrCmdDat(0x0092, 0x0600); LCD_WrCmdDat(0x0093, 0x0003); LCD_WrCmdDat(0x0095, 0x0110); LCD_WrCmdDat(0x0097, 0x0000); LCD_WrCmdDat(0x0098, 0x0000);

LCD_WrCmdDat(0x0007, 0x0133); // 262K color and display ON DelayMs(100);

LCD_BLEN_1;

PenColor=YELLOW; BackColor=RED; }

#endif

#ifdef LT1763

void LCD_Init(void) {

LCD_BLEN_1; LCD_nWR_1; //ALE=1;

LCD_nRST_0; //低电平复位 DelayMs(10);

LCD_nRST_1;

//================ Start Initial Sequence ==============// LCD_WrCmdDat(0x0011, 0x0001); // LCD_WrCmdDat(0x0013, 0x1334); // LCD_WrCmdDat(0x0010, 0x0530); // LCD_WrCmdDat(0x0012, 0x101D); // DelayMs(100);

LCD_WrCmdDat(0x0013, 0x3334); // LCD_WrCmdDat(0x0011, 0x0111); // LCD_WrCmdDat(0x0010, 0x1530); // DelayMs(100); //initial setting

LCD_WrCmdDat(0x0001,0x0100); LCD_WrCmdDat(0x0002,0x0700); LCD_WrCmdDat(0x0003,0x1030); LCD_WrCmdDat(0x0004,0x0141); LCD_WrCmdDat(0x0007,0x0005); LCD_WrCmdDat(0x0008,0x0202); LCD_WrCmdDat(0x000B,0x0000); LCD_WrCmdDat(0x000C,0x0000); LCD_WrCmdDat(0x000E,0x0015); LCD_WrCmdDat(0x00A1,0x1000); LCD_WrCmdDat(0x00A4,0x7300); LCD_WrCmdDat(0x0030,0x0202); LCD_WrCmdDat(0x0031,0x0000); LCD_WrCmdDat(0x0032,0x0404); LCD_WrCmdDat(0x0033,0x0203); LCD_WrCmdDat(0x0034,0x0207); LCD_WrCmdDat(0x0035,0x0202); LCD_WrCmdDat(0x0036,0x0707); LCD_WrCmdDat(0x0037,0x0002); LCD_WrCmdDat(0x0038,0x0F00); LCD_WrCmdDat(0x0039,0x0002);

LCD_WrCmdDat(0x0040,0x0000); LCD_WrCmdDat(0x0041,0x0000); LCD_WrCmdDat(0x0042,0x0140); LCD_WrCmdDat(0x0043,0x0000); LCD_WrCmdDat(0x0044,0x0000); LCD_WrCmdDat(0x0045,0x0000); LCD_WrCmdDat(0x0046,0xEF00); LCD_WrCmdDat(0x0047,0x013F); LCD_WrCmdDat(0x0048,0x0000); DelayMs(100);

//display on setting

LCD_WrCmdDat(0x0007,0x0025); LCD_WrCmdDat(0x0007,0x0027); DelayMs(100);

LCD_WrCmdDat(0x0007,0x0037); LCD_WrCmdDat(0x0020,0x0000); LCD_WrCmdDat(0x0021,0x0000);

DelayMs(100);

LCD_BLEN_0;

PenColor=YELLOW; BackColor=RED; }

#endif

/*========================================================== * Function : LCD_SetPoit

* Description : 设置lcd memory point * Input Para : U8 StartX, U8 StartY * Output Para : void * Return Value: void

===========================================================*/ void LCD_SetGramPoit(U16 x,U16 y) {

LCD_WrCmdDat(0x0020,x);

LCD_WrCmdDat(0x0021,y);

LCD_WrCmd(0x0022); //设置地址后重新启动写RAM命令 }

/*========================================================== * Function : lcd_set_write_area

* Description : 设置lcd memory write的区域

* Input Para : U8 StartX, U8 StartY,U8 EndX, U8 EndY * Output Para : void * Return Value: void

======================================================*/ #ifdef ILI9325

void LCD_SetWindows(U16 HSA, U16 VSA,U16 HEA, U16 VEA) {

LCD_WrCmdDat(0x0050,HSA); LCD_WrCmdDat(0x0051,HEA);

LCD_WrCmdDat(0x0052,VSA); LCD_WrCmdDat(0x0053,VEA);

//LCD_SetGramPoit(HSA,VSA); //根据扫描方式不同而不同 }

#endif

#ifdef LT1763

void LCD_SetWindows(U16 HSA, U16 VSA,U16 HEA, U16 VEA) {

LCD_WrCmdDat(0x0046,(HEA<<8)|HSA); //R46窗口水平起始结束地址，高八位为结束地址

LCD_WrCmdDat(0x0048,VSA); //R48 窗口垂直起始地址 LCD_WrCmdDat(0x0047,VEA); // R47 窗口垂直结束地址

//LCD_SetGramPoit(HSA,VSA); //根据扫描方式不同而不同 }

#endif

/******************************************************************** * 名称: DispOneColor

* 功能: 使任意矩形显示某种颜色 * 参数: 颜色值：Color * 返回值: 无

********************************************************************/ void DispOneColor(U16 X,U16 Y,U16 W,U16 H,U16 Color) {

U16 i,j;

LCD_SetWindows(X,Y,X+W-1,Y+H-1);

LCD_SetGramPoit(X,Y); //根据扫描方式不同而不同 for(i=0;ifor(j=0;jLCD_WrDat(Color); } } }

void LCD_Clear(void) {

DispOneColor(LCD_Sx, LCD_Sy, LCD_W, LCD_H,BackColor); }

/*========================================================== * Function : lcd_display_full_screen_color * Description : 将全屏刷为某一颜色 * Input Para : U16 val * Output Para : void * Return Value: void

===========================================================*/ void Display_full_screen_color(U16 color) {

U16 X, Y;

LCD_SetWindows(LCD_Sx, LCD_Sy, LCD_Ex, LCD_Ey);

LCD_SetGramPoit(LCD_Sx,LCD_Sy); //根据扫描方式不同而不同 for(X = 0; X < LCD_W; X++) { for(Y = 0; Y < LCD_H; Y++) { LCD_WrDat(color); } } return; }

/****************************************************************** * 名称: DrawSingleAscii

* 功能: 在指定的位置显示单个字符 * 参数: 坐标：x * 坐标：y

* 字符的颜色：LineColor

* 字符背景颜色：FillColor : * 返回值: 无

*******************************************************************/ void DrawSingleAscii(U16 x, U16 y, U8 *pHz, U16 LineColor,U16 FillColor, U8 Mod) {

U16 j=0,i=0,k=0; U8 str; U16 len;

//---------------------------查找该字是否已在字库中 len=sizeof(AsciiLib)/sizeof(AsciiLib[0]);

for(j=0;jstr = (U8)AsciiLib[j].Msk[i]; for (k=0;k<8;k++) {

if ( str & (0x80>>k) ) //通过移位逐位发送数据 {

LCD_WrDat((U16)(LineColor&0xffff)); } else { if (Mod == NORMAL) {

LCD_WrDat((U16)(FillColor&0xffff)); } else { LCD_SetGramPoit(x+k+1,y+i); //跳过这一点，即保留该点原有的信息 } } } } } }

/******************************************************************** * 名称: DrawSingleHz

* 功能: 在指定的位置显示汉字 * 参数: 坐标：x * 坐标：y

* 字符的颜色：LineColor * 字符背景颜色：FillColor

******************************************************************/ void DrawSingleHz(U16 x, U16 y, U8 *pHz, U16 LineColor,U16 FillColor, U8 Mod) {

U16 i=0,j=0,k=0; U16 str,len;

//---------------------------查找该字是否已在字库中 len=sizeof(HzLib)/sizeof(HzLib[0]);

for(i=0;iif((U8)HzLib[i].Index[0]==pHz[0]&&(U8)HzLib[i].Index[1]==pHz[1])break; //-------------------------- if(ifor (j=0;j<16;j++) {

str = (U8)HzLib[i].Msk[j*2]<<8|(U8)HzLib[i].Msk[j*2+1];

for (k=0;k<16;k++) {

if ( str & (0x8000>>k) ) //通过移位逐位发送数据 {

LCD_WrDat((U16)(LineColor&0xffff)); } else {

if (Mod == NORMAL) {

LCD_WrDat((U16)(FillColor&0xffff)); } else {

LCD_SetGramPoit(x+k+1,y+j);

/跳过这一点，即保留该点原有的信息

}

} } } } }

/****************************************************************** * 名称: DrawString

* 功能: 在指定的位置显示多个字符 * 参数: 坐标：x * 坐标：y

* 字符的颜色：LineColor * 字符背景颜色：FillColor *

* 返回值: 无

******************************************************************/ void DrawString(U16 x, U16 y, U8 *pStr, U16 LineColor,U16 FillColor, U8 Mod) { //把字符串的第一个字符的地址赋给字符指针变量pstr， //不是*pStr=\" \"详见濉跺《C程序设计》－谭浩强P252 while(1) {

if (*pStr == 0) {

return; }

if (*pStr > 0x80) //大于0x80的为汉字 {

DrawSingleHz(x, y, pStr, LineColor, FillColor, Mod);

//调用显示单个汉字函数处理

x += 16;

pStr += 2; } //移动指针 else //英文字符 {

DrawSingleAscii(x, y, pStr, LineColor, FillColor, Mod);

//调用显示单个字符函数处理

x += 8;

pStr += 1; //移动指针 }

} }

/******************************************************************** * 名称: DispNum

* 功能: 显示触摸屏点击处的坐标(用于调试用) * 参数: 坐标竖直要显示的位置：x，y 要显示的坐标值存放坐标值的数组名：str * 返回值: 无

*******************************************************************/ void DispNum(U16 x, U16 y, U16 num) {

U8 str[5];

str[0] = num/1000+0x30;

str[1] = (num%1000)/100+0x30; str[2] = (num%1000)%100/10+0x30; str[3] = (num%1000)%100%10+0x30; str[4] = '\\0';

DrawString(x, y, str, RED, YELLOW, NORMAL); }

/****************************************************************** * 名称: DispSmallPic

* 功能: 在指定的位置显示一张65K色的图片 * 参数: 显示的起始坐标：x,y 图片的宽度和高度：w,h 图片数据的数组名：str * 返回值: 无

******************************************************************/ void DispSmallPic(U16 x, U16 y, U16 w, U16 h, const U8 *str) {

U16 i,j,temp; for(j=0;jLCD_SetGramPoit(x,y+j);

for(i=0;itemp=str[(j*w+i)*2+1]<<8; //发送数据时高字节在前 temp|=str[(j*w+i)*2]; //低字节在后 LCD_WrDat(temp); } } }

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TFT2.4 C51驱动程序