高手来帮帮忙啊,51读TFT寄存器的值出错,附5408点屏程序
完全读不出来,不知道为什么#include <reg51.h>
#defineLCD_DataPortH P2 //高8位数据口,8位模式下只使用高8位
sbit LCD_CS=P1^0; //片选
sbit LCD_REST = P1^1; //复位
sbit LCD_RS = P1^2; //数据/命令切换
sbit LCD_WR = P1^3; //写控制
sbit LCD_RD =P1^4; //读控制
void UART_init(); //串口初始化函数
void COM_send(void); //串口发送函数
char bdata Temp;
char str;
void COM_send(void)
{
char point;
for(point=0;point< 16;point++) //连续发送一百位数据 //把缓存区的数据都发送到串口
{
SBUF=str;
while(!TI);
TI=0;
}
}
//--------------------------------------------------------------
void UART_init()
{
//初始化串行口和波特率发生器
SCON =0x40; //选择串口工作方式1，不允许接收
TMOD =0x20; //定时器1工作在方式2，定时器0工作在方式1
TH1 =0xfA; //
PCON = 0x80; //速度加倍
TR1 =1; //启动定时器T1
//ET1 =0;
//ES=1; //允许串行口中断
//PS=1; //设计串行口中断优先级
//EA =0; //单片机中断允许
}
void delayms(int count)// /* X1ms */
{
int i,j;
for(i=0;i<count;i++)
for(j=0;j<1000;j++);
}
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_WR=0;
LCD_WR=1;
LCD_DataPortH=VL;
LCD_WR=0;
LCD_WR=1;
}
void Lcd_Write_Com(char VH,char VL) //发送命令-8位参数
{
LCD_RS=0;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Data(char VH,char VL) //发送数据-8位参数
{
LCD_RS=1;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Com_Data(int com,int val) //发送数据命令
{
Lcd_Write_Com(com>>8,com);
Lcd_Write_Data(val>>8,val);
}
void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
{
Lcd_Write_Com(0x00,0x20);Lcd_Write_Data(x1>>8,x1); //设置X坐标位置
Lcd_Write_Com(0x00,0x21);Lcd_Write_Data(y1>>8,y1); //设置Y坐标位置
Lcd_Write_Com(0x00,0x50);Lcd_Write_Data(x1>>8,x1); //开始X
Lcd_Write_Com(0x00,0x52);Lcd_Write_Data(y1>>8,y1); //开始Y
Lcd_Write_Com(0x00,0x51);Lcd_Write_Data(x2>>8,x2); //结束X
Lcd_Write_Com(0x00,0x53);Lcd_Write_Data(y2>>8,y2); //结束Y
Lcd_Write_Com(0x00,0x22);
}
void Lcd_Init(void)
{
LCD_REST=1;
delayms(5);
LCD_REST=0;
delayms(5);
LCD_REST=1;
LCD_CS=1;
LCD_RD=1;
LCD_WR=1;
delayms(5);
LCD_CS =0;//打开片选使能
//************* Start Initial Sequence **********//
Lcd_Write_Com_Data(0x0001, 0x0100); // set SS and SM bit
Lcd_Write_Com_Data(0x0002, 0x0200); // set 1 line inversion
Lcd_Write_Com_Data(0x0003, 0x1030); // set GRAM write direction and BGR=1.
Lcd_Write_Com_Data(0x0004, 0x0000); // Resize register
Lcd_Write_Com_Data(0x0008, 0x0207); // set the back porch and front porch
Lcd_Write_Com_Data(0x0009, 0x0000); // set non-display area refresh cycle ISC
Lcd_Write_Com_Data(0x000A, 0x0000); // FMARK function
Lcd_Write_Com_Data(0x000C, 0x0000); // RGB interface setting
Lcd_Write_Com_Data(0x000D, 0x0000); // Frame marker Position
Lcd_Write_Com_Data(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
Lcd_Write_Com_Data(0x0010, 0x0000); // SAP, BT, AP, DSTB, SLP, STB
Lcd_Write_Com_Data(0x0011, 0x0007); // DC1, DC0, VC
Lcd_Write_Com_Data(0x0012, 0x0000); // VREG1OUT voltage
Lcd_Write_Com_Data(0x0013, 0x0000); // VDV for VCOM amplitude
Lcd_Write_Com_Data(0x0007, 0x0001);
delayms(200); // Dis-charge capacitor power voltage
Lcd_Write_Com_Data(0x0010, 0x1690); // SAP, BT, AP, DSTB, SLP, STB
Lcd_Write_Com_Data(0x0011, 0x0227); // Set DC1, DC0, VC
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0012, 0x000D); // 0012
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0013, 0x1200); // VDV for VCOM amplitude
Lcd_Write_Com_Data(0x0029, 0x000A); // 04VCM for VCOMH
Lcd_Write_Com_Data(0x002B, 0x000D); // Set Frame Rate
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x0020, 0x0000); // GRAM horizontal Address
Lcd_Write_Com_Data(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
Lcd_Write_Com_Data(0x0030, 0x0000);
Lcd_Write_Com_Data(0x0031, 0x0404);
Lcd_Write_Com_Data(0x0032, 0x0003);
Lcd_Write_Com_Data(0x0035, 0x0405);
Lcd_Write_Com_Data(0x0036, 0x0808);
Lcd_Write_Com_Data(0x0037, 0x0407);
Lcd_Write_Com_Data(0x0038, 0x0303);
Lcd_Write_Com_Data(0x0039, 0x0707);
Lcd_Write_Com_Data(0x003C, 0x0504);
Lcd_Write_Com_Data(0x003D, 0x0808);
//------------------ Set GRAM area ---------------//
Lcd_Write_Com_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
Lcd_Write_Com_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
Lcd_Write_Com_Data(0x0052, 0x0000); // Vertical GRAM Start Address
Lcd_Write_Com_Data(0x0053, 0x013F); // Vertical GRAM Start Address
Lcd_Write_Com_Data(0x0060, 0xA700); // Gate Scan Line
Lcd_Write_Com_Data(0x0061, 0x0001); // NDL,VLE, REV
Lcd_Write_Com_Data(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
Lcd_Write_Com_Data(0x0080, 0x0000);
Lcd_Write_Com_Data(0x0081, 0x0000);
Lcd_Write_Com_Data(0x0082, 0x0000);
Lcd_Write_Com_Data(0x0083, 0x0000);
Lcd_Write_Com_Data(0x0084, 0x0000);
Lcd_Write_Com_Data(0x0085, 0x0000);
//-------------- Panel Control -------------------//
Lcd_Write_Com_Data(0x0090, 0x0010);
Lcd_Write_Com_Data(0x0092, 0x0000);
Lcd_Write_Com_Data(0x0007, 0x0133); // 262K color and display ON
LCD_CS =1;//关闭片选使能
}
void Pant(char VH,char VL)
{
int i,j;
LCD_CS =0;//打开片选使能
Address_set(0,0,240,321);
for(i=0;i<321;i++)
{
for (j=0;j<240;j++)
{
Lcd_Write_Data(VH,VL);
}
}
LCD_CS =1;//关闭片选使能
}
main()
{
unsigned char i;
//P0=0Xf0;
//P2=0XF0;
Lcd_Init(); //TFT初始化
Pant(0xff,0xff); //TFT清屏
Lcd_Write_Com_Data(0x0000,0x0001);
LCD_RS=1;
LCD_CS=0;
LCD_RD=0;
LCD_RD=1;
LCD_RD=0;
LCD_RD=1;
Temp=P2;
LCD_CS=1;
UART_init(); //初始化串口
for(i=8;i>0;i--)
{
str= Temp&0x01 + 0x30;
Temp= Temp>>1;
}
COM_send();
while(1)
{
Pant(0xf8,0x00); //红色
delayms(200);
Pant(0X07,0xE0); //绿色
delayms(200);
Pant(0x00,0x1f); //蓝色
delayms(200);
}
} 顶下，我正要找5408的驱动程序
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