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用于嵌入式正点原子精英板检测您刚买回来的ov2460摄像头检测,避免您检测时出现麻烦的情况
	    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
	int main(void)
 {  
 u8 res;  
 u8 *pname; //´øÂ·¾¶µÄÎļþÃû 
 u8 key; //¼üÖµ    
 u8 sd_ok=1; //0,sd¿¨²»Õý³£;1,SD¿¨Õý³£.
  u16 pixcnt=0; //ÏñËØÍ³¼Æ
 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´øÂ·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,"±£´æÎª:",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; //ÏñËØ¼ÆÊýÆ÷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; 
 }          
}