ili9320初始化详解
/*===================================================================================================
文件功能描述:320x240TFT驱动程序，控制TFT实现汉字,字符显示,画点功能。
====================================================================================================*/
//******************包含头文件***************************
#include
//头文件在HI-TECH安装目录下\HI-TECH Software\PICC\std\9.60\include
//**************控制端口定义********************
#define DataPort PORTB //数据口使用DataPort
#define RS RD5 //数据/命令选择
#define RW RD4 //写数据/命令
#define nRD RD3 //读控制
#define CS RD2 //片选
#define RES RD1 //复位
#define LE RD0 //74HC573锁存控制
//**************声明外部函数和变量**************
extern unsigned int Device_code;
//================================================================================================
// 实现功能: 延时
// 输入参数: count 设置延时时间
//================================================================================================
void delayms(unsigned int count)
{
int i,j;
for(i=0;i>8;
n=y;
Write_Data(m,n);
}
//=====================================================================
===========================
// 实现功能: 向x寄存器写入y数据
// 输入参数: x 需要输入的命令 16位
// y 需要输入的数据 16位
//=====================================================================
===========================
void Write_Cmd_Data (unsigned char x,unsigned int y)
{
unsigned char m,n;
m=y>>8;
n=y;
Write_Cmd(0x00,x);
Write_Data(m,n);
}
//================================================================================================
// 实现功能: 设置坐标
// 输入参数: x0，y0 起始坐标
y1 结束坐标 // x1，
//================================================================================================
void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)
{
Write_Cmd_Data(0x50,x0); // Horizontal GRAM Start Address
Write_Cmd_Data(0x51,x1); // Horizontal GRAM End Address
Write_Cmd_Data(0x52,y0); // Vertical GRAM Start Address
Write_Cmd_Data(0x53,y1); // Vertical GRAM Start Address
Write_Cmd_Data(0x20,x0); // GRAM horizontal Address
Write_Cmd_Data(0x21,y0); // GRAM Vertical Address
Write_Cmd (0x00,0x22); // 0x0022,Start to Write Data to GRAM }
//================================================================================================
// 实现功能: TFT清屏
// 输入参数: bColor 清屏所使用的背景色
//================================================================================================
void CLR_Screen(unsigned int bColor)
{
unsigned int i,j;
LCD_SetPos(0,240,0,320);//320x240
for (i=0;i<320;i++)
{
for (j=0;j<240;j++)
Write_Data_U16(bColor);
}
}
//================================================================================================
// 实现功能: 显示Ascii字符
// 输入参数: x 横坐标
// y 纵坐标
// c 需要显示的字符
// fColor 字符颜色
// bColor 字符背景颜色
//=====================================================================
===========================
#include "Ascii_8x16.h"
void LCD_PutChar(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); //设置字符显示位置
for(i=0; i<16;i++) { //循环写入16字节，一个字符为16字节
unsigned char m=Font8x16[(c-0x20)*16+i]; //提取c字符的第i个字节以,c减去0x20是由于Ascii码库中的0~1f被去掉
for(j=0;j<8;j++) { //循环写入8位，一个字节为8位
if((m&0x80)==0x80) { //判断最高位是否为1
Write_Data_U16(fColor); //最高位为1，写入字符颜色
}
else {
Write_Data_U16(bColor); //最高位为0，写入背景颜色
}
m<<=1; //左移1位，准备写下一位
}
}
}
//=====================================================================
===========================
// 实现功能: 显示16x16汉字
// 输入参数: x 横坐标
// y 纵坐标
// g 需要显示的字符编码
// fColor 字符颜色
// bColor 字符背景颜色
//=====================================================================
===========================
#include "chinese.h" //包含16*16汉字字模
void Put16x16(unsigned short x, unsigned short y, unsigned char g[], unsigned int
fColor,unsigned int bColor)
{
unsigned int i,j,k;
LCD_SetPos(x, x+16-1,y, y+16-1); //设置汉字显示位置
for (k=0;k<16;k++) //循环64次，查询汉字字模位置
{
if ((ch16[k].GBK[0]==g[0])&&(ch16[k].GBK[1]==g[1])) //判断第k个汉字的编码是否与输入汉字g[2]相等
{
for(i=0;i<32;i++) //如果相等，既已找到待显示字模位置，循环写入32字节
{
unsigned short m=ch16[k].hz16[i]; //读取32字节中的第i字节
for(j=0;j<8;j++) //循环写入8位数据
{
if((m&0x80)==0x80) Write_Data_U16(fColor); //判断最高位是否为1,最高位为1，写入字符颜色
else Write_Data_U16(bColor); //最高位为0，写入背景颜色
m<<=1; //左移1位，准备写下一位
}
}
}
}
}
//=====================================================================
===========================
// 实现功能: 显示中英文字符串
// 输入参数: x 横坐标
// y 纵坐标
// *s 待显示的字符串,例如LCD_PutString(24,16,"123蓝芯",White,Blue);即把"123蓝芯"的第一个字符地址赋给指针变量s.
// bColor 字符背景颜色
//=====================================================================
===========================
void LCD_PutString(unsigned int x, unsigned int y, unsigned char tab0[], unsigned int fColor,
unsigned int bColor)
{
unsigned char l=0,i=0,gbk[2]; //显示屏位置增量
while(tab0[i])
{
if( tab0[i] < 0x80) //判断s指向的字符串中的某字符的编码值是否小于128,如果小于,即为ASCII字符
{
LCD_PutChar(x+l*8,y,tab0[i],fColor,bColor);//显示该字符
i++;l++; //指针加1,位置加1
}
else
{
gbk[0]=tab0[i];gbk[1]=tab0[i+1];
Put16x16(x+l*8,y,gbk,fColor,bColor);//显示该汉字
i+=2;l+=2; //因为汉字为编码为2字节，指针加2,显示16x16所以位置加2
}
}
}
//=====================================================================
===========================
// 实现功能: 指定位置显示RGB颜色
// 输入参数: x0，y0 起始坐标
// x1，y1 结束坐标
// Color 背景颜色
//=====================================================================
===========================
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); //设置显示位置
for (i=y0;i<=y1;i++)
{
for (j=x0;j<=x1;j++)
Write_Data_U16(Color);
}
}
//=====================================================================
===========================
// 实现功能: TFT初始化
//=====================================================================
===========================
void TFT_Initial(void)
{
RES = 1;
delayms(1); // Delay 1ms
RES = 0;
delayms(10); // Delay 10ms
RES = 1;
delayms(50); // Delay 50 ms
if(Device_code==0x9320)
{
//************* Start Initial Sequence **********//
Write_Cmd_Data(0x00,0x0001); //Set the OSC bit as ‘1’ to start the internal oscillator
Write_Cmd_Data(0x01,0x0100); // set SS and SM bit
Write_Cmd_Data(0x02,0x0700); // set 1 line inversion
Write_Cmd_Data(0x03,0x1030); //set GRAM Write direction and BGR=1//竖屏设置为
0x1030，横屏则设置为0x1098
Write_Cmd_Data(0x04,0x0000); // Resize register
Write_Cmd_Data(0x08,0x0202); // set the back porch and front porch
Write_Cmd_Data(0x09,0x0000); // set non-display area refresh cycle ISC[3:0]
Write_Cmd_Data(0x0A,0x0000); // FMARK function
Write_Cmd_Data(0x0C,0x0000); // RGB interface setting
Write_Cmd_Data(0x0D,0x0000); // Frame marker Position
Write_Cmd_Data(0x0F,0x0000); // RGB interface polarity
delayms(30);
//*************Power On sequence ****************//
Write_Cmd_Data(0x10, 0x16b0); // SAP, BT[3:0], AP, DSTB, SLP, STB
delayms(30);
Write_Cmd_Data(0x11, 0x0007); //Write final user’s setting values to VC bit
Write_Cmd_Data(0x12, 0x013a); // set Internal reference voltage
Write_Cmd_Data(0x13, 0x1a00); // VDV[4:0] for VCOM amplitude
delayms(30);
Write_Cmd_Data(0x29, 0x000c); // Set VCM[5:0] for VCOMH
delayms(30); // Delay 50ms
// ----------- Adjust the Gamma Curve ----------//
Write_Cmd_Data(0x0030, 0x0000);
Write_Cmd_Data(0x0031, 0x0505);
Write_Cmd_Data(0x0032, 0x0304);
Write_Cmd_Data(0x0035, 0x0006);
Write_Cmd_Data(0x0036, 0x0707);
Write_Cmd_Data(0x0037, 0x0105);
Write_Cmd_Data(0x0038, 0x0002);
Write_Cmd_Data(0x0039, 0x0707);
Write_Cmd_Data(0x003C, 0x0704);
Write_Cmd_Data(0x003D, 0x0807);
//------------------ Set GRAM area ---------------//
Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
Write_Cmd_Data(0x0060, 0x2700); // Gate Scan Line
Write_Cmd_Data(0x0061, 0x0001); // NDL,VLE, REV
Write_Cmd_Data(0x006A, 0x0000); // set scrolling line
Write_Cmd_Data(0x20, 0x0000); // GRAM horizontal Address
Write_Cmd_Data(0x21, 0x0000); // GRAM Vertical Address
//-------------- Partial Display Control ---------//
Write_Cmd_Data(0x0080, 0x0000);
Write_Cmd_Data(0x0081, 0x0000);
Write_Cmd_Data(0x0082, 0x0000);
Write_Cmd_Data(0x0083, 0x0000);
Write_Cmd_Data(0x0084, 0x0000);
Write_Cmd_Data(0x0085, 0x0000);
//-------------- Panel Control ---------//
Write_Cmd_Data(0x90,0x0010); //Frame Cycle Contral
Write_Cmd_Data(0x92,0x0000); //Panel Interface Contral
Write_Cmd_Data(0x93,0x0003); //Panel Interface Contral 3.
Write_Cmd_Data(0x95,0x0110); //Frame Cycle Contral
Write_Cmd_Data(0x97,0x0000); //
Write_Cmd_Data(0x98,0x0000); //Frame Cycle Contral.
//-------------- Display on ---------//
Write_Cmd_Data(0x07,0x0173);
}
else if(Device_code==0x1505 )
{
//************* Start Initial Sequence **********//
Write_Cmd_Data(0x00,0x0001); //Set the OSC bit as ‘1’ to start the internal oscillator
Write_Cmd_Data(0x01,0x0100); // set SS and SM bit
Write_Cmd_Data(0x02,0x0700); // set 1 line inversion
Write_Cmd_Data(0x03,0x1030); //set GRAM Write direction and BGR=1
Write_Cmd_Data(0x04,0x0000); // Resize register
Write_Cmd_Data(0x08,0x0202); // set the back porch and front porch
Write_Cmd_Data(0x09,0x0000); // set non-display area refresh cycle ISC[3:0]
Write_Cmd_Data(0x0A,0x0000); // FMARK function
Write_Cmd_Data(0x0C,0x0000); // RGB interface setting
Write_Cmd_Data(0x0D,0x0000); // Frame marker Position
Write_Cmd_Data(0x0F,0x0000); // RGB interface polarity
delayms(30);
//*************Power On sequence ****************//
Write_Cmd_Data(0x10, 0x16b0); // SAP, BT[3:0], AP, DSTB, SLP, STB
delayms(30);
Write_Cmd_Data(0x11, 0x0007); //Write final user’s setting values to VC bit
Write_Cmd_Data(0x12, 0x013a); // set Internal reference voltage
Write_Cmd_Data(0x13, 0x1a00); // VDV[4:0] for VCOM amplitude
delayms(30);
Write_Cmd_Data(0x29, 0x000c); // Set VCM[5:0] for VCOMH
delayms(30); // Delay 50ms
// ----------- Adjust the Gamma Curve ----------//
Write_Cmd_Data(0x0030, 0x0000);
Write_Cmd_Data(0x0031, 0x0505);
Write_Cmd_Data(0x0032, 0x0304);
Write_Cmd_Data(0x0035, 0x0006);
Write_Cmd_Data(0x0036, 0x0707);
Write_Cmd_Data(0x0037, 0x0105);
Write_Cmd_Data(0x0038, 0x0002);
Write_Cmd_Data(0x0039, 0x0707);
Write_Cmd_Data(0x003C, 0x0704);
Write_Cmd_Data(0x003D, 0x0807);
//------------------ Set GRAM area ---------------//
Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
Write_Cmd_Data(0x0060, 0x2700); // Gate Scan Line
Write_Cmd_Data(0x0061, 0x0001); // NDL,VLE, REV
Write_Cmd_Data(0x006A, 0x2700); // set scrolling line
Write_Cmd_Data(0x20, 0x0000); // GRAM horizontal Address
Write_Cmd_Data(0x21, 0x0000); // GRAM Vertical Address
//-------------- Partial Display Control ---------//
Write_Cmd_Data(0x0080, 0x0000);
Write_Cmd_Data(0x0081, 0x0000);
Write_Cmd_Data(0x0082, 0x0000);
Write_Cmd_Data(0x0083, 0x0000);
Write_Cmd_Data(0x0084, 0x0000);
Write_Cmd_Data(0x0085, 0x0000);
//-------------- Panel Control ---------//
Write_Cmd_Data(0x90,0x0010); //Frame Cycle Contral
Write_Cmd_Data(0x92,0x0000); //Panel Interface Contral
Write_Cmd_Data(0x93,0x0003); //Panel Interface Contral 3.
Write_Cmd_Data(0x95,0x0110); //Frame Cycle Contral
Write_Cmd_Data(0x97,0x0000); //
Write_Cmd_Data(0x98,0x0000); //Frame Cycle Contral.
//-------------- Display on ---------//
Write_Cmd_Data(0x07,0x0173);
}
else if(Device_code==0x9328)
{
//************* Start Initial Sequence **********//
Write_Cmd_Data(0x0001,0x0100); //set SS and SM bit //设置扫描方向
Write_Cmd_Data(0x0002,0x0700); //EOR=1 and B/C=1 to set the line inversion //设
置行反转
Write_Cmd_Data(0x0003,0x1030); //set Entry Mode //设置进入模式
Write_Cmd_Data(0x0004,0x0000); //
Write_Cmd_Data(0x00A4,0x0001);
Write_Cmd_Data(0x0008,0x0202); // set the back porch and front porch
Write_Cmd_Data(0x0009,0x0000); // set non-display area refresh cycle ISC[3:0]
Write_Cmd_Data(0x000A,0x0000); // FMARK function
Write_Cmd_Data(0x000C,0x0000); // RGB interface setting
Write_Cmd_Data(0x000D, 0x0000); // Frame marker Position
Write_Cmd_Data(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
Write_Cmd_Data(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
Write_Cmd_Data(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
Write_Cmd_Data(0x0012, 0x0000); // VREG1OUT voltage
Write_Cmd_Data(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
delayms(30);
Write_Cmd_Data(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
Write_Cmd_Data(0x0011, 0x0227); // R11h=0x0221 at VCI=3.3V, DC1[2:0], DC0[2:0],
VC[2:0]
delayms(30);
Write_Cmd_Data(0x0012, 0x001C); // External reference voltage= Vci;
delayms(30);
Write_Cmd_Data(0x0013, 0x1800); // R13=1200 when R12=009D;VDV[4:0] for VCOM
amplitude
Write_Cmd_Data(0x0029, 0x001C); // R29=000C when R12=009D;VCM[5:0] for VCOMH
Write_Cmd_Data(0x002B, 0x000D); // Frame Rate = 91Hz
delayms(30);
Write_Cmd_Data(0x0020, 0x0000); // GRAM horizontal Address
Write_Cmd_Data(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
Write_Cmd_Data(0x0030, 0x0007);
Write_Cmd_Data(0x0031, 0x0302);
Write_Cmd_Data(0x0032, 0x0105);
Write_Cmd_Data(0x0035, 0x0206);
Write_Cmd_Data(0x0036, 0x0808);
Write_Cmd_Data(0x0037, 0x0206);
Write_Cmd_Data(0x0038, 0x0504);
Write_Cmd_Data(0x0039, 0x0007);
Write_Cmd_Data(0x003C, 0x0105);
Write_Cmd_Data(0x003D, 0x0808);
//------------------ Set GRAM area ---------------//
Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
delayms(30);
Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
delayms(30);
Write_Cmd_Data(0x0060, 0xA700); // Gate Scan Line
Write_Cmd_Data(0x0061, 0x0001); // NDL,VLE, REV
Write_Cmd_Data(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
Write_Cmd_Data(0x0080, 0x0000);
Write_Cmd_Data(0x0081, 0x0000);
Write_Cmd_Data(0x0082,0x0000);
Write_Cmd_Data(0x0083,0x0000);
Write_Cmd_Data(0x0084,0x0000);
Write_Cmd_Data(0x0085,0x0000);
//-------------- Panel Control -------------------//
Write_Cmd_Data(0x0090, 0x0010);
Write_Cmd_Data(0x0092, 0x0000);
Write_Cmd_Data(0x0093, 0x0003);
Write_Cmd_Data(0x0095, 0x0110);
Write_Cmd_Data(0x0097, 0x0000);
Write_Cmd_Data(0x0098, 0x0000);
Write_Cmd_Data(0x0007, 0x0133); // 262K color and display ON
}
}
//================================================================================================
// 实现功能: 画点
// 输入参数: x，y 需要画点坐标
// color 点的颜色
//================================================================================================
void Put_pixel(unsigned int x,unsigned int y,unsigned int color) {
LCD_SetPos(x,x,y,y); //设置待画点坐标
Write_Data_U16(color); //在指定点写入颜色数据
}
浙公网安备 33021202002483