【GD32测试】+TFT LCD显示

1万 · 2013-8-13 23:29

1万 · 2013-8-13 23:29

代码：

#include "stm32f10x.h"
#include "16x8.h"
#include "OV7670.h"
#include "delay.h"

#define uint unsigned int
#define uchar unsigned char

#define LCD_RD0 GPIO_ResetBits(GPIOA,GPIO_Pin_0)
#define LCD_WR0 GPIO_ResetBits(GPIOA,GPIO_Pin_1)
#define LCD_RS0 GPIO_ResetBits(GPIOA,GPIO_Pin_2)
#define LCD_CS0 GPIO_ResetBits(GPIOA,GPIO_Pin_3)
#define LCD_REST0 GPIO_ResetBits(GPIOA,GPIO_Pin_4)

#define LCD_RD1 GPIO_SetBits(GPIOA,GPIO_Pin_0)
#define LCD_WR1 GPIO_SetBits(GPIOA,GPIO_Pin_1)
#define LCD_RS1 GPIO_SetBits(GPIOA,GPIO_Pin_2)
#define LCD_CS1 GPIO_SetBits(GPIOA,GPIO_Pin_3)
#define LCD_REST1 GPIO_SetBits(GPIOA,GPIO_Pin_4)

void init_Gpio()
{
GPIO_InitTypeDef       GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //使能PA端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;//GPIO_Pin_7 |GPIO_Pin_6 |GPIO_Pin_5 |GPIO_Pin_4 |GPIO_Pin_3 |GPIO_Pin_2 |GPIO_Pin_1 |GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;       //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); //使能PA端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 |GPIO_Pin_3 |GPIO_Pin_2 |GPIO_Pin_1 |GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode =GPIO_Mode_Out_PP;       //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);

}

void delayms(int count)  // /* X1ms */
{
      int i,j;
      for(i=0;i<count;i++)
      for(j=0;j<100;j++);
}

void LCD_Writ_Bus(unsigned char VH,unsigned char VL) //????????
{
uint temp=0;
GPIO_Write(GPIOB,(temp |VH)*256);
  LCD_WR0;

LCD_WR1;
temp=0;
GPIO_Write(GPIOB,(temp |VL)*256);
LCD_WR0;
LCD_WR1;
}

void LCD_Write_COM(char VH,char VL)    //????
{
  LCD_RS0;
LCD_Writ_Bus(VH,VL);
}

void LCD_Write_DATA(char VH,char VL) //????
{
  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);    //??X????
  LCD_Write_COM(0x00,0x21);LCD_Write_DATA(y1>>8,y1); //??Y????
  LCD_Write_COM(0x00,0x50);LCD_Write_DATA(x1>>8,x1); //??X
LCD_Write_COM(0x00,0x52);LCD_Write_DATA(y1>>8,y1);    //??Y
  LCD_Write_COM(0x00,0x51);LCD_Write_DATA(x2>>8,x2); //??X
LCD_Write_COM(0x00,0x53);LCD_Write_DATA(y2>>8,y2); //??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;  //??????
//************* 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;  //??????

}

void dot(char x,char y,uint color)
{

  Address_set(x,y,x,y);
  LCD_Write_DATA(color/256,color%256);

}
void Pant(char VH,char VL)
{
int i,j;

Address_set(0,0,239,319);
for(i=0;i<320;i++)
   {
   for (j=0;j<240;j++)
   {
           LCD_Write_DATA(VH,VL);
      }
   }

}
void printf_char(uchar x, uint y,uchar c, uint color,uint b_color)
{
uchar  s_x ,s_y, temp ;
    uint j;
    c -= 32;
    for( s_y=0 ; s_y < 16 ; s_y++ )
{
if(s_y+y<320)
   {
j=c;
   j=j*16+s_y;
   temp=font16x8[j];
         for( s_x=0 ; s_x<8 ; s_x++ )
      {
        if(x+s_x<240)
      {
         if((temp&(0x80>>(s_x))) == (0x80>>(s_x))  )
      {
         dot(x+s_x, y+s_y,color) ;
      }
         else
      {
         dot(x+s_x, y+s_y,b_color) ;
   }
   }
   }
   }
}
}
void printf_string(uchar x, uint y,char  *s, uint color,uint b_color)
{
for(;*s!='\0';s++)
{
printf_char(x, y,*s, color,b_color);
x=x+8;
}

}


void hanzi32_32(uint x,uint y,uchar *value,uint dcolor,uint bgcolor)
{
uint i,j;
  Address_set(x,y,x+31,y+31); //????
for(j=0;j<128;j++)
{
for(i=0;i<8;i++)
{
     if((*value&(1<<i))!=0)
{
LCD_Write_DATA(dcolor>>8,dcolor); //?????
}
else
{
LCD_Write_DATA(bgcolor>>8,bgcolor); //?????
}
}
value++;
   }
}

void zf32_32(uint y,uint x,uchar *value,uint dcolor,uint bgcolor)
{
uint i,j;
  Address_set(x,y,x+15,y+31); //????
for(j=0;j<64;j++)
{
for(i=0;i<8;i++)
{
     if((*value&(1<<i))!=0)
{
LCD_Write_DATA(dcolor>>8,dcolor); //?????
}
else
{
LCD_Write_DATA(bgcolor>>8,bgcolor); //?????
}
}
value++;
   }
}
int main(void)
{
unsigned long TimerCnt = 0;
unsigned int temp7670 = 0;
unsigned int value,val,val1,val2;
SystemInit();    //系统时钟初始化为72M    SYSCLK_FREQ_72MHz
init_Gpio();
LCD_Init();             //TFT???
LCD_CS0;
Pant(0xff,0xff);    //TFT??
printf_string(10,10,"HELLO ------",0,0x0fff);
printf_string(10,30,"3KS,21IC ------",0,0xf8ff);
printf_string(10,50,"3KU,GigaDivice ------",0,0x6fff);

printf_string(10,70,"www.realsence.com.cn",0,0xff0f);

while(1);
}