花了十几天,历经千辛万苦,才调出来的ILI 9225刷屏程序,谁帮我测试一下
在没有屏规格书,也没有代码的情况下,好不容易才搞定了一块9225屏的引脚定义在程序刷入单片机的时候,屏烧坏了,
烧坏前,我看到屏在刷屏的,刷着刷着就变深蓝色了,驱动IC发烧严重。烧坏了
#include <reg51.h>
//#define Bus_16 //16位数据模式,如果使用8位模式,请注释此语句,如果使用16位模式,请打开此句
#defineLCD_DataPortH P2 //高8位数据口,8位模式下只使用高8位
#defineLCD_DataPortL P0 //低8位数据口 ,8位模式下低8位可以不接线,请确认P0口已经上拉10K电阻,不宜太小,最小4.7K,推荐10K.
sbit LCD_RS = P3^5; //数据/命令切换
sbit LCD_WR = P3^6; //写控制
sbit LCD_RD =P3^7; //读控制
sbit LCD_CS=P3^3; //片选
sbit LCD_REST = P3^4; //复位
void delayms(int count)// /* X1ms */
{
int i,j;
for(i=0;i<count;i++)
for(j=0;j<1000;j++);
}
#ifdefBus_16 //条件编译-16位数据模式
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_DataPortL=VL;
LCD_WR=0;
LCD_WR=1;
}
#else //条件编译-8位数据模式
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;
}
#endif
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(0x0000,0x0001); delayms(500); //打开晶振
Lcd_Write_Com_Data(0x01,0x011C); // set SS and NL bit
Lcd_Write_Com_Data(0x02,0x0100); // set 1 line inversion
Lcd_Write_Com_Data(0x03,0x1030); // set GRAM write direction and BGR=1.
Lcd_Write_Com_Data(0x08,0x0808); // set BP and FP
Lcd_Write_Com_Data(0x0B,0x1100); //frame cycle
Lcd_Write_Com_Data(0x0C,0x0000); // RGB interface setting R0Ch=0x0110 for RGB 18Bit and R0Ch=0111for RGB16Bit
Lcd_Write_Com_Data(0x0F,0x1401); // Set frame rate----0801
Lcd_Write_Com_Data(0x15,0x0000); //set system interface
Lcd_Write_Com_Data(0x20,0x0000); // Set GRAM Address
Lcd_Write_Com_Data(0x21,0x0000); // Set GRAM Address
//*************Power On sequence ****************//
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x10,0x0800); // Set SAP,DSTB,STB----0A00
Lcd_Write_Com_Data(0x11,0x1F3F); // Set APON,PON,AON,VCI1EN,VC----1038
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x12,0x0121); // Internal reference voltage= Vci;----1121
Lcd_Write_Com_Data(0x13,0x006F); // Set GVDD----0066
Lcd_Write_Com_Data(0x14,0x4349); // Set VCOMH/VCOML voltage----5F60
//-------------- Set GRAM area -----------------//
Lcd_Write_Com_Data(0x30,0x0000);
Lcd_Write_Com_Data(0x31,0x00DB);
Lcd_Write_Com_Data(0x32,0x0000);
Lcd_Write_Com_Data(0x33,0x0000);
Lcd_Write_Com_Data(0x34,0x00DB);
Lcd_Write_Com_Data(0x35,0x0000);
Lcd_Write_Com_Data(0x36,0x00AF);
Lcd_Write_Com_Data(0x37,0x0000);
Lcd_Write_Com_Data(0x38,0x00DB);
Lcd_Write_Com_Data(0x39,0x0000);
// ----------- Adjust the Gamma Curve ----------//
Lcd_Write_Com_Data(0x50,0x0001);//0400
Lcd_Write_Com_Data(0x51,0x200B);//060B
Lcd_Write_Com_Data(0x52,0x0000);//0C0A
Lcd_Write_Com_Data(0x53,0x0404);//0105
Lcd_Write_Com_Data(0x54,0x0C0C);//0A0C
Lcd_Write_Com_Data(0x55,0x000C);//0B06
Lcd_Write_Com_Data(0x56,0x0101);//0004
Lcd_Write_Com_Data(0x57,0x0400);//0501
Lcd_Write_Com_Data(0x58,0x1108);//0E00
Lcd_Write_Com_Data(0x59,0x050C);//000E
delayms(50); // Delay 50ms
Lcd_Write_Com_Data(0x07,0x1017);
//Lcd_Write_Com_Data(0x22);
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(0,0,176,220);
for(i=0;i<220;i++)
{
for (j=0;j<176;j++)
{
Lcd_Write_Data(VH,VL);
}
}
LCD_CS =1;//关闭片选使能
}
main()
{
Lcd_Init(); //TFT初始化
Pant(0xff,0xff); //TFT清屏
while(1)
{
Pant(0xf8,0x00); //红色
delayms(200);
Pant(0X07,0xE0); //绿色
delayms(200);
Pant(0x00,0x1f); //蓝色
delayms(200);
}
} 强悍,,mark 不知道问题解决了吗,为什么会热,是电平兼容问题吧 记号一下,谢谢
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