菜鸟学习第六贴：彩屏的刷图（修改篇）

1万 · 2011-9-20 18:18

本帖最后由 gaochy1126 于 2011-9-22 18:57 编辑

根据投票贴中的建议，我想说明下：我把这个程序修改的跟单片机程序一致了，在网上可以搜到很多的例程，而且例程里面函数可以直接拿过来调用个，不需要修改，这样可以方便大家。如果有什么建议，大家可以提出意见和建议
#include <stdio.h>
#include "NUC1xx.h"
#include "DrvGPIO.h"
#include "DrvSYS.h"

#define    LCD_WR0  DrvGPIO_ClrBit(E_GPB, 1) ;    //写控制
#define    LCD_WR1  DrvGPIO_SetBit(E_GPB, 1);
#define    LCD_RS0  DrvGPIO_ClrBit(E_GPB, 2) ; //数据/命令切换
#define    LCD_RS1  DrvGPIO_SetBit(E_GPB, 2) ;
#define    LCD_REST0  DrvGPIO_ClrBit(E_GPB, 3);  //复位
#define    LCD_REST1  DrvGPIO_SetBit(E_GPB, 3);
#define    LCD_CS0  DrvGPIO_ClrBit(E_GPB, 4) ; //片选
#define    LCD_CS1  DrvGPIO_SetBit(E_GPB, 4) ;
#define    LCD_RD1  DrvGPIO_SetBit(E_GPB, 1); //读控制

unsigned char image[3200]={ /*

//图片代码省略，在例程中附件中
};

void delayms(int count)  // /* X1ms */
{
DrvSYS_Delay(1000);
}

#ifdef  Bus_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
{
unsigned int temp;
temp= (temp&VH)<<8 + VL;
DrvGPIO_SetPortBits(E_GPA,temp);
LCD_WR0;
LCD_WR1;
}
#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
{
DrvGPIO_SetPortBits(E_GPA,DrvGPIO_GetPortBits(E_GPA)&VH);
   LCD_WR0;
LCD_WR1;
DrvGPIO_SetPortBits(E_GPA,DrvGPIO_GetPortBits(E_GPA)&VL);
LCD_WR0;
LCD_WR1;
}
#endif

void LCD_Write_COM(char VH,char VL)    //发送命令
{
LCD_RS0;
LCD_Writ_Bus(VH,VL);
}

void LCD_Write_DATA(char VH,char VL) //发送数据
{
LCD_RS1;
LCD_Writ_Bus(VH,VL);
}

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_REST1;
delayms(5);
LCD_REST0;
delayms(5);
LCD_REST1;
LCD_CS1;
LCD_RD1;
LCD_WR1;
delayms(5);

LCD_CS0;  //打开片选使能
//************* Start Initial Sequence **********//
LCD_Write_COM(0x00,0xE5); LCD_Write_DATA(0x78,0xF0); // set SRAM internal timing
LCD_Write_COM(0x00,0x01); LCD_Write_DATA(0x01,0x00); // set SS and SM bit
LCD_Write_COM(0x00,0x02); LCD_Write_DATA(0x07,0x00); // set 1 line inversion
LCD_Write_COM(0x00,0x03); LCD_Write_DATA(0x10,0x30); // set GRAM write direction and BGR=1.
LCD_Write_COM(0x00,0x04); LCD_Write_DATA(0x00,0x00); // Resize register
LCD_Write_COM(0x00,0x08); LCD_Write_DATA(0x02,0x07); // set the back porch and front porch
LCD_Write_COM(0x00,0x09); LCD_Write_DATA(0x00,0x00); // set non-display area refresh cycle ISC[3:0]
LCD_Write_COM(0x00,0x0A); LCD_Write_DATA(0x00,0x00); // FMARK function
LCD_Write_COM(0x00,0x0C); LCD_Write_DATA(0x00,0x00); // RGB interface setting
LCD_Write_COM(0x00,0x0D); LCD_Write_DATA(0x00,0x00); // Frame marker Position
LCD_Write_COM(0x00,0x0F); LCD_Write_DATA(0x00,0x00); // RGB interface polarity
//*************Power On sequence ****************//
LCD_Write_COM(0x00,0x10); LCD_Write_DATA(0x00,0x00); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_Write_COM(0x00,0x11); LCD_Write_DATA(0x00,0x07); // DC1[2:0], DC0[2:0], VC[2:0]
LCD_Write_COM(0x00,0x12); LCD_Write_DATA(0x00,0x00); // VREG1OUT voltage
LCD_Write_COM(0x00,0x13); LCD_Write_DATA(0x00,0x00); // VDV[4:0] for VCOM amplitude
LCD_Write_COM(0x00,0x07); LCD_Write_DATA(0x00,0x01);
delayms(50); // Dis-charge capacitor power voltage
LCD_Write_COM(0x00,0x10); LCD_Write_DATA(0x10,0x90); // 1490//SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_Write_COM(0x00,0x11); LCD_Write_DATA(0x02,0x27); // DC1[2:0], DC0[2:0], VC[2:0]
delayms(50); // Delay 50ms
LCD_Write_COM(0x00,0x12); LCD_Write_DATA(0x00,0x1F); //001C// Internal reference voltage= Vci;
delayms(50); // Delay 50ms
LCD_Write_COM(0x00,0x13); LCD_Write_DATA(0x15,0x00); //0x1000//1400 Set VDV[4:0] for VCOM amplitude  1A00
LCD_Write_COM(0x00,0x29); LCD_Write_DATA(0x00,0x27); //0x0012 //001a  Set VCM[5:0] for VCOMH  //0x0025  0034
LCD_Write_COM(0x00,0x2B); LCD_Write_DATA(0x00,0x0D); // Set Frame Rate 000C
delayms(50); // Delay 50ms
LCD_Write_COM(0x00,0x20); LCD_Write_DATA(0x00,0x00); // GRAM horizontal Address
LCD_Write_COM(0x00,0x21); LCD_Write_DATA(0x00,0x00); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
LCD_Write_COM(0x00,0x30); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x31); LCD_Write_DATA(0x07,0x07);
LCD_Write_COM(0x00,0x32); LCD_Write_DATA(0x03,0x07);
LCD_Write_COM(0x00,0x35); LCD_Write_DATA(0x02,0x00);
LCD_Write_COM(0x00,0x36); LCD_Write_DATA(0x00,0x08);//0207
LCD_Write_COM(0x00,0x37); LCD_Write_DATA(0x00,0x04);//0306
LCD_Write_COM(0x00,0x38); LCD_Write_DATA(0x00,0x00);//0102
LCD_Write_COM(0x00,0x39); LCD_Write_DATA(0x07,0x07);//0707
LCD_Write_COM(0x00,0x3C); LCD_Write_DATA(0x00,0x02);//0702
LCD_Write_COM(0x00,0x3D); LCD_Write_DATA(0x1D,0x04);//1604

//------------------ Set GRAM area ---------------//
LCD_Write_COM(0x00,0x50); LCD_Write_DATA(0x00,0x00); // Horizontal GRAM Start Address
LCD_Write_COM(0x00,0x51); LCD_Write_DATA(0x00,0xEF); // Horizontal GRAM End Address
LCD_Write_COM(0x00,0x52); LCD_Write_DATA(0x00,0x00); // Vertical GRAM Start Address
LCD_Write_COM(0x00,0x53); LCD_Write_DATA(0x01,0x3F); // Vertical GRAM Start Address
LCD_Write_COM(0x00,0x60); LCD_Write_DATA(0xA7,0x00); // Gate Scan Line
LCD_Write_COM(0x00,0x61); LCD_Write_DATA(0x00,0x01); // NDL,VLE, REV
LCD_Write_COM(0x00,0x6A); LCD_Write_DATA(0x00,0x00); // set scrolling line
//-------------- Partial Display Control ---------//
LCD_Write_COM(0x00,0x80); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x81); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x82); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x83); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x84); LCD_Write_DATA(0x00,0x00);
LCD_Write_COM(0x00,0x85); LCD_Write_DATA(0x00,0x00);
//-------------- Panel Control -------------------//
LCD_Write_COM(0x00,0x90); LCD_Write_DATA(0x00,0x10);
LCD_Write_COM(0x00,0x92); LCD_Write_DATA(0x06,0x00);
LCD_Write_COM(0x00,0x07); LCD_Write_DATA(0x01,0x33); // 262K color and display ON
LCD_CS1;  //关闭片选使能

}

void Pant(char VH,char VL)
{
int i,j;
LCD_CS0;  //打开片选使能
Address_set(0,0,240,320);
for(i=0;i<320;i++)
   {
   for (j=0;j<240;j++)
   {
           LCD_Write_DATA(VH,VL);
      }

   }
   LCD_CS1;  //关闭片选使能
}

main()
{
int i,j,k;

UNLOCKREG();
SYSCLK->PWRCON.XTL12M_EN = 1;
DrvSYS_Delay(5000);

DrvGPIO_Open(E_GPB, 10, E_IO_OUTPUT);
DrvGPIO_ClrBit(E_GPB, 10);
while(1)
{
LCD_Init();       //TFT初始化
Pant(0xff,0xff);    //TFT清屏

LCD_CS0;  //打开片选使能
for(k=0;k<8;k++)    //刷图片
{
   for(j=0;j<6;j++)
{
Address_set(40*j,40*k,40*j+39,40*k+39);
      for(i=0;i<1600;i++)
   {
   LCD_Write_DATA(image[i*2+1],image[i*2]);

   }
   }
}
LCD_CS1;  //关闭片选使能
delayms(3000);

}

}