嵌入式开发ov2460摄像机检测

【实例截图】

    readme.txt
    （寄存器版本，适合战舰V3和精英STM32开发板）扩展实验6 ATK-OV2640 摄像头模块测试实验.rar
    （寄存器版本，适合探索者STM32F4开发板）实验42 照相机实验.rar
    （寄存器版本，适合阿波罗STM32F429开发板）扩展实验10 ATK-OV2640 摄像头模块测试实验.rar
    （寄存器版本，适合阿波罗STM32F767开发板）扩展实验10 ATK-OV2640 摄像头模块测试实验.rar
    （库函数版本，适合战舰V3和精英STM32开发板）扩展实验6 ATK-OV2640 摄像头模块测试实验.rar
    （库函数版本，适合探索者STM32F4开发板）实验42 照相机实验.rar
    （库函数版本，适合阿波罗STM32F429开发板）扩展实验10 ATK-OV2640 摄像头模块测试实验.rar
    （库函数版本，适合阿波罗STM32F767开发板）扩展实验10 ATK-OV2640 摄像头模块测试实验.rar

【核心代码】

int main(void)
 {  
u8 res;  
u8 *pname; //´ø·¾¶µÄÎļþÃû 
u8 key; //¼üÖµ    
u8 sd_ok=1; //0,sd¿¨²»Õý³£;1,SD¿¨Õý³£.
  u16 pixcnt=0; //ÏñËØͳ¼Æ
u16 linecnt=0; //ÐÐÊýͳ¼Æ
 
delay_init();     //ÑÓʱº¯Êý³õʼ»¯   
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//ÉèÖÃÖжÏÓÅÏȼ¶·Ö×éΪ×é2£º2λÇÀÕ¼ÓÅÏȼ¶£¬2λÏìÓ¦ÓÅÏȼ¶
uart_init(115200); //´®¿Ú³õʼ»¯Îª115200
usmart_dev.init(72); //³õʼ»¯USMART
  LED_Init();   //³õʼ»¯ÓëLEDÁ¬½ÓµÄÓ²¼þ½Ó¿Ú
KEY_Init(); //³õʼ»¯°´¼ü
LCD_Init();     //³õʼ»¯LCD  
BEEP_Init();        //·äÃùÆ÷³õʼ»¯  
W25QXX_Init(); //³õʼ»¯W25Q128
  my_mem_init(SRAMIN); //³õʼ»¯ÄÚ²¿ÄÚ´æ³Ø
exfuns_init(); //ΪfatfsÏà¹Ø±äÁ¿ÉêÇëÄÚ´æ  
  f_mount(fs[0],"0:",1); //¹ÒÔØSD¿¨ 
  f_mount(fs[1],"1:",1); //¹ÒÔØFLASH. 
POINT_COLOR=RED;      
  while(font_init()) //¼ì²é×Ö¿â
{     
LCD_ShowString(30,50,200,16,16,"Font Error!");
delay_ms(200);   
LCD_Fill(30,50,240,66,WHITE);//Çå³ýÏÔʾ      
}   
  Show_Str(30,50,200,16,"STM32F103 ¿ª·¢°å",16,0);      
Show_Str(30,70,200,16,"OV2640ÕÕÏà»úʵÑé",16,0);      
Show_Str(30,90,200,16,"KEY0:ÅÄÕÕ(bmp¸ñʽ)",16,0);      
Show_Str(30,110,200,16,"KEY1:ÅÄÕÕ(jpg¸ñʽ)",16,0);      
Show_Str(30,130,200,16,"2015Äê4ÔÂ16ÈÕ",16,0);
res=f_mkdir("0:/PHOTO"); //´´½¨PHOTOÎļþ¼Ð
if(res!=FR_EXIST&&res!=FR_OK) //·¢ÉúÁË´íÎó
{     
Show_Str(30,150,240,16,"SD¿¨´íÎó,ÎÞ·¨ÅÄÕÕ!",16,0);        
sd_ok=0; 
} 
ov2640_framebuf=mymalloc(SRAMIN,52*1024);//ÉêÇëÖ¡»º´æ
  pname=mymalloc(SRAMIN,30); //Ϊ´ø·¾¶µÄÎļþÃû·ÖÅä30¸ö×Ö½ÚµÄÄÚ´æ     
  while(!pname||!ov2640_framebuf) //ÄÚ´æ·ÖÅä³ö´í
  {     
Show_Str(30,150,240,16,"ÄÚ´æ·ÖÅäʧ°Ü!",16,0);
delay_ms(200);   
LCD_Fill(30,150,240,146,WHITE);//Çå³ýÏÔʾ      
delay_ms(200);   
}      
while(OV2640_Init()) //³õʼ»¯OV2640
{
Show_Str(30,150,240,16,"OV2640 ´íÎó!",16,0);
delay_ms(200);
    LCD_Fill(30,150,239,206,WHITE);
delay_ms(200);
}
  Show_Str(30,170,200,16,"OV2640 Õý³£",16,0);
delay_ms(1500);  
//TIM6_Int_Init(10000,7199); //10Khz¼ÆÊýƵÂÊ,1ÃëÖÓÖжÏ,ÆÁ±ÎÔò²»´òÓ¡Ö¡ÂÊ   
OV2640_RGB565_Mode(); //RGB565ģʽ
  OV2640_OutSize_Set(lcddev.width,lcddev.height); 
ov2640_speed_ctrl();
MYDMA_SRAMLCD_Init((u32)ov2640_framebuf);  
  while(1)
{
while(OV2640_VSYNC) //µÈ´ýÖ¡ÐźÅ
{
key=KEY_Scan(0); //²»Ö§³ÖÁ¬°´
if(key==KEY0_PRES||key==KEY1_PRES)
{
LED1=0; //DS1ÁÁ
if(sd_ok) //SD¿¨Õý³£²Å¿ÉÒÔÅÄÕÕ 
{ 
if(key==KEY0_PRES) //BMPÅÄÕÕ
{
camera_new_pathname(pname,0); //µÃµ½ÎļþÃû
res=bmp_encode(pname,0,0,lcddev.width,lcddev.height,0);
}else if(key==KEY1_PRES) //JPGÅÄÕÕ
{
camera_new_pathname(pname,1); //µÃµ½ÎļþÃû
  res=ov2640_jpg_photo(pname); 
OV2640_OutSize_Set(lcddev.width,lcddev.height);
ov2640_speed_ctrl(); 
}
  if(res)//ÅÄÕÕÓÐÎó
{
Show_Str(30,130,240,16,"дÈëÎļþ´íÎó!",16,0);  
}else 
{
Show_Str(30,130,240,16,"ÅÄÕճɹ¦!",16,0);
Show_Str(30,150,240,16,"±£´æΪ:",16,0);
Show_Str(30 42,150,240,16,pname,16,0);     
BEEP=1; //·äÃùÆ÷¶Ì½Ð£¬ÌáʾÅÄÕÕÍê³É
delay_ms(100);
} 
}else //ÌáʾSD¿¨´íÎó
{     
Show_Str(40,130,240,12,"SD¿¨´íÎó!",12,0);
Show_Str(40,150,240,12,"ÅÄÕÕ¹¦Äܲ»¿ÉÓÃ!",12,0);     
}
LED1=1; //DS1Ãð
BEEP=0; //¹Ø±Õ·äÃùÆ÷ 
delay_ms(1800);
}  
} 
LCD_SetCursor(0,0); //ÉèÖÃ×ø±ê
LCD_WriteRAM_Prepare(); //¿ªÊ¼Ð´ÈëGRAM  
  linecnt=0; //ÐÐͳ¼ÆÇåÁã
pixcnt=0; //ÏñËؼÆÊýÆ÷ÇåÁã
while(linecnt<lcddev.height)
{
while(OV2640_HREF)
{  
while(OV2640_PCLK==0);
ov2640_framebuf[pixcnt ]=OV2640_DATA;   
while(OV2640_PCLK==1); 
while(OV2640_PCLK==0); 
ov2640_framebuf[pixcnt ]=OV2640_DATA; 
while(OV2640_PCLK==1);
}  
if(pixcnt)
{
MYDMA_SRAMLCD_Enable(); //Æô¶¯DMAÊý¾Ý´«Êä
pixcnt=0;
linecnt ;
}
} 
ov_frame ;
LED0=!LED0;
}         
}