S5PV210之LCD画图、字符串、显示图…
来源：互联网 发布：linux 修改时区 编辑：程序博客网 时间：2024/06/11 02:52
/ ********************************************************************************/
#include "main.h"
#include "ascii.h" //字符取模后存的二进制位信息
#include "800480.h"//图片取模后存的二进制位信息，利用Image2Lcd图片取模软件
#defineGPF0CON (*(volatile unsigned long *)0xE0200120)
#defineGPF1CON (*(volatile unsigned long *)0xE0200140)
#defineGPF2CON (*(volatile unsigned long *)0xE0200160)
#defineGPF3CON (*(volatile unsigned long *)0xE0200180)
#defineGPD0CON (*(volatile unsigned long *)0xE02000A0)
#defineGPD0DAT (*(volatile unsigned long*)0xE02000A4)
#define CLK_SRC1 (*(volatileunsigned long *)0xe0100204)
#define CLK_DIV1 (*(volatile unsigned long*)0xe0100304)
#defineDISPLAY_CONTROL (*(volatile unsigned long *)0xe0107008)
#defineVIDCON0 (*(volatileunsigned long *)0xF8000000)
#defineVIDCON1 (*(volatileunsigned long *)0xF8000004)
#define VIDTCON2 (*(volatileunsigned long *)0xF8000018)
#defineWINCON0 (*(volatile unsigned long *)0xF8000020)
#defineWINCON2 (*(volatile unsigned long *)0xF8000028)
#define SHADOWCON (*(volatile unsigned long *)0xF8000034)
#defineVIDOSD0A (*(volatile unsigned long *)0xF8000040)
#defineVIDOSD0B (*(volatile unsigned long *)0xF8000044)
#defineVIDOSD0C (*(volatile unsigned long *)0xF8000048)
#defineVIDW00ADD0B0 (*(volatile unsigned long *)0xF80000A0)
#defineVIDW00ADD1B0 (*(volatile unsigned long *)0xF80000D0)
#defineVIDTCON0 (*(volatile unsigned long *)0xF8000010)
#defineVIDTCON1 (*(volatile unsigned long *)0xF8000014)
#define HSPW (40) // 1~40 DCLK
#define HBPD (10 - 1) // 46
#define HFPD (240 - 1) // 16 210 354
#define VSPW (20) // 1~20 DCLK
#define VBPD (10 - 1) // 23
#define VFPD (30 - 1) // 7 22 147
// FB地址
#define FB_ADDR (0x23000000) //显存地址设置，可为0x25000000
#define ROW (480)
#define COL (800)
#define HOZVAL (COL-1)
#define LINeval_r(ROW-1)
#define XSIZE COL
#define YSIZE ROW
u32 *pfb = (u32*)FB_ADDR; //显存地址与屏幕像素相绑定
// 常用颜色定义
#define BLUE 0x0000FF
#define RED 0xFF0000
#define GREEN 0x00FF00
#define WHITE 0xFFFFFF
#define LeftTopX 0
#define LeftTopY 0
#define RightBotX 799
#define RightBotY 479
// 初始化LCD
static void lcd_init(void)
{
// 配置引脚用于LCD功能
GPF0CON = 0x22222222;
GPF1CON = 0x22222222;
GPF2CON = 0x22222222;
GPF3CON = 0x22222222;
// 打开背光 GPD0_0（PWMTOUT0）
GPD0CON &= ~(0xf<<0);
GPD0CON |= (1<<0); // output mode
GPD0DAT &= ~(1<<0); // output 0 to enablebacklight
// 10: RGB=FIMD I80=FIMD ITU=FIMD
DISPLAY_CONTROL = 2<<0;
// bit[26~28]:使用RGB接口
// bit[18]:RGB 并行
// bit[2]:选择时钟源为HCLK_DSYS=166MHz
VIDCON0 &= ~( (3<<26)|(1<<18)|(1<<2));
// bit[1]:使能lcd控制器
// bit[0]:当前帧结束后使能lcd控制器
VIDCON0 |= ( (1<<0)|(1<<1) );
// bit[6]:选择需要分频
// bit[6~13]:分频系数为5，即VCLK = 166M/(4+1) = 33M
VIDCON0 |= 4<<6 | 1<<4;
// H43-HSD043I9W1.pdf(p13) 时序图：VSYNC和HSYNC都是低脉冲
// s5pv210芯片手册(p1207) 时序图：VSYNC和HSYNC都是高脉冲有效，所以需要反转
VIDCON1 |= 1<<5 | 1<<6;
// 设置时序
VIDTCON0 = VBPD<<16 | VFPD<<8 |VSPW<<0;
VIDTCON1 = HBPD<<16 | HFPD<<8 |HSPW<<0;
// 设置长宽(物理屏幕)
VIDTCON2 = (LINEVAL << 11) | (HOZVAL << 0);
// 设置window0
// bit[0]:使能
// bit[2~5]:24bpp（RGB888）
WINCON0 |= 1<<0;
WINCON0 &= ~(0xf << 2);
WINCON0 |= (0xB<<2) | (1<<15);
// 设置window0的上下左右
// 设置的是显存空间的大小
VIDOSD0A = (LeftTopX<<11) | (LeftTopY << 0);
VIDOSD0B = (RightBotX<<11) | (RightBotY <<0);
VIDOSD0C = (LINEVAL + 1) * (HOZVAL + 1);
// 设置fb的地址
VIDW00ADD0B0 = FB_ADDR;
VIDW00ADD1B0 = (((HOZVAL + 1)*4 + 0) * (LINEVAL + 1)) &(0xffffff);
// 使能channel 0传输数据
SHADOWCON = 0x1;
}
// 在像素点(x, y)处填充为color颜色
static inline void lcd_draw_pixel(u32 x, u32 y, u32color)
{
*(pfb + COL * y + x) = color;
}
// 把整个屏幕全部填充成一个颜色color
static void lcd_draw_background(u32color)
{
u32 i, j;
for (j=0; j
{
for (i=0; i
int SquareOfR =radius*radius;
int i, j, count = 0; for (j=y; j<(y+16);j++) { for (i=x; i<(x+8); i++) { if(i { // 在坐标(i,j)这个像素处判断是0还是1，如果是1写color；如果是0直接跳过 if(data[count/8] & (1<<(count%8))) lcd_draw_pixel(i, j, color); } count++; } }
for (i=0; str[i]!='\0'; i++) { ch= (unsigned char *)ascii_8_16[(unsigned char)str[i]-0x20]; show_8_16(x, y, color,ch); x += 8; if (x >= XSIZE) //判断是否超出屏幕范围 { x -= XSIZE; // 回车 y+= 16; // 换行 } }
{
lcd_draw_pixel(i, j, color);
}
}
}
static void delay(void)
{
volatile u32 i, j;
for (i=0; i<4000; i++)
for (j=0; j<1000; j++);
}
// 绘制横线，起始坐标为(x1, y)到(x2, y),颜色是color
static void lcd_draw_hline(u32 x1, u32 x2, u32 y, u32color)
{
u32 x;
for (x = x1; x
{
lcd_draw_pixel(x, y, color);
}
}
// 绘制竖线，起始坐标为(x, y1)到(x, y2),颜色是color
static void lcd_draw_vline(u32 x, u32 y1, u32 y2, u32color)
{
u32 y;
for (y = y1; y
{
lcd_draw_pixel(x, y, color);
}
}
// glib库中的画线函数，可以画斜线，线两端分别是(x1, y1)和(x2, y2)
void glib_line(unsigned int x1, unsigned int y1,unsigned int x2, unsigned int y2, unsigned intcolor)
{
int dx,dy,e;
dx=x2-x1;
dy=y2-y1;
if(dx>=0)
{
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 1/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 2/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 8/8 octant
{
e=dy-dx/2;
while(x1<=x2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1+=1;
e+=dy;
}
}
else // 7/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){x1+=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
else //dx<0
{
dx=-dx; //dx=abs(dx)
if(dy >= 0) // dy>=0
{
if(dx>=dy) // 4/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){y1+=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 3/8 octant
{
e=dx-dy/2;
while(y1<=y2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1+=1;
e+=dx;
}
}
}
else // dy<0
{
dy=-dy; // dy=abs(dy)
if(dx>=dy) // 5/8 octant
{
e=dy-dx/2;
while(x1>=x2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){y1-=1;e-=dx;}
x1-=1;
e+=dy;
}
}
else // 6/8 octant
{
e=dx-dy/2;
while(y1>=y2)
{
lcd_draw_pixel(x1,y1,color);
if(e>0){x1-=1;e-=dy;}
y1-=1;
e+=dx;
}
}
}
}
}
//画圆函数，圆心坐标是(centerX, centerY)，半径是radius，圆的颜色是color
void draw_circular(unsigned int centerX, unsigned intcenterY, unsigned int radius, unsigned int color)
{
int x,y ;
int tempX,tempY;;
for(y=0; y
{
for(x=0; x
{
if(y<=centerY && x<=centerX)
{
tempY=centerY-y;
tempX=centerX-x;
}
else if(y<=centerY&& x>=centerX)
{
tempY=centerY-y;
tempX=x-centerX;
}
else if(y>=centerY&& x<=centerX)
{
tempY=y-centerY;
tempX=centerX-x;
}
else
{
tempY = y-centerY;
tempX = x-centerX;
}
if ((tempY*tempY+tempX*tempX)<=SquareOfR)
lcd_draw_pixel(x, y, color);
}
}
}
// 写字
// 写字的左上角坐标(x, y)，字的颜色是color，字的字模信息存储在data中
static void show_8_16(unsigned int x, unsigned int y,unsigned int color, unsigned char *data)
{
// count记录当前正在绘制的像素的次序
}
// 写字符串
// 字符串起始坐标左上角为(x, y)，字符串文字颜色是color,字符串内容为str
void draw_ascii_ok(unsigned int x, unsigned int y,unsigned int color, unsigned char *str)
{
int i;
unsigned char *ch;
}
//画图片,图像数据存在指针指向的数组里面
void lcd_draw_picture(const unsigned char*pData)
{
u32 x,y,color,p=0;
for (y=0;y<480;y++)
{
for(x=0;x<800;x++)
{
color=(pData[p+2]<<0)|(pData[p+1]<<8)|(pData[p+0]<<16);
lcd_draw_pixel(x,y,color);
p+=3;
}
}
}
void lcd_test(void)
{
lcd_init();
//显示图片
lcd_draw_picture(gImage_800480);
/ *
//测试写英文字母
lcd_draw_background(WHITE);
draw_ascii_ok(0, 0, RED, "ABCDabcd1234!@#$%");
* /
/ *
// 测试画斜线
lcd_draw_background(WHITE); // 如果没有加这一行，背景色是花花绿绿的
glib_line(0, 479, 799, 0, RED);
draw_circular(399, 239, 50, GREEN);
*/
/ *
// 测试画横线、竖线
lcd_draw_background(WHITE);
lcd_draw_hline(350, 450, 240, RED);
lcd_draw_vline(400, 190, 290, GREEN);
* /
/ *
// 测试绘制背景色，成功
while (1)
{
lcd_draw_background(RED);
delay();
lcd_draw_background(GREEN);
delay();
lcd_draw_background(BLUE);
delay();
}
* /
}
/********************************************************************/
//建立main.c文件，调用上面的功能函数
#include "main.h"
int main(void)
{
lcd_test();
return 0;
}
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