PZ-OV7670摄像模组

STM32摄像头模块成像 #include "system.h" #include "SysTick.h" #include "led.h" #include "usart.h" #include "tftlcd.h" #include "key.h" #include "malloc.h" #include "sd.h" #include "flash.h" #include "ff.h" #include "fatfs_app.h" #include "key.h" #include "font_show.h" #include "exti.h" #include "time.h" #include "string.h" #include "math.h" #include "ov7670.h" extern u8 ov_sta; //在exit.c里面定义 extern u8 ov_frame; //在time.c里面定义 //更新LCD显示 void camera_refresh(void) { u32 j; u16 i; u16 color; u16 temp; if(ov_sta)//有帧中断更新？ { //LCD_Set_Window((tftlcd_data.width-320)/2,(tftlcd_data.height-240)/2,320,240-1);//将显示区域设置到屏幕* LCD_Set_Window(0,(tftlcd_data.height-240)/2,320-1,240-1);//将显示区域设置到屏幕* OV7670_RRST=0; //开始复位读指针 OV7670_RCK_L; OV7670_RCK_H; OV7670_RCK_L; OV7670_RRST=1; //复位读指针结束 OV7670_RCK_H; /*for(i=0;i<240;i++) //此种方式可以兼容任何彩屏,但是速度很慢 { for(j=0;j<320;j++) { OV7670_RCK_L; color=GPIOF->IDR&0XFF; //读数据 OV7670_RCK_H; color<<=8; OV7670_RCK_L; color|=GPIOF->IDR&0XFF; //读数据 OV7670_RCK_H; LCD_DrawFRONT_COLOR(j,i,color); } }*/ for(j=0;j<76800;j++) //此种方式需清楚TFT内部显示方向控制寄存器值 速度较快 { OV7670_RCK_L; color=GPIOF->IDR&0XFF; //读数据 OV7670_RCK_H; color<<=8; OV7670_RCK_L; color|=GPIOF->IDR&0XFF; //读数据 OV7670_RCK_H; LCD_WriteData_Color(color); //printf("%x ",color); //if(j ==0)printf("\r\n"); //delay_us(50); } ov_sta=0; //清零帧中断标记 ov_frame++; } } const u8*LMODE_TBL[5]={"Auto","Sunny","Cloudy","Office","Home"}; const u8*EFFECTS_TBL[7]={"Normal","Negative","B&W","Redish","Greenish","Bluish","Antique"}; //7种特效 int main() { u8 i=0; u8 key; u8 lightmode=0,saturation=2,brightness=2,contrast=2; u8 effect=0; u8 sbuf[15]; u8 count; SysTick_Init(72); NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //中断优先级分组 分2组 LED_Init(); USART1_Init(9600); TFTLCD_Init(); //LCD初始化 KEY_Init(); EN25QXX_Init(); //初始化EN25Q128 my_mem_init(SRAMIN); //初始化内部内存池 FRONT_COLOR=RED;//设置字体为红色 // while(SD_Init()!=0) // { // LCD_ShowString(10,10,tftlcd_data.width,tftlcd_data.height,16,"SD Card Error!"); // } // FATFS_Init(); //为fatfs相关变量申请内存 // f_mount(fs[0],"0:",1); //挂载SD卡 // f_mount(fs[1],"1:",1); //挂载FLASH. LCD_ShowFont12Char(10, 10, "普中科技"); LCD_ShowFont12Char(10, 30, "www.prechin.net"); LCD_ShowFont12Char(10, 50, "摄像头应用--OV7670"); i=OV7670_Init(); printf("i=%d\n",i); while(OV7670_Init())//初始化OV7670 { LCD_ShowString(10,80,tftlcd_data.width,tftlcd_data.height,16,"OV7670 Error!"); delay_ms(200); LCD_Fill(10,80,239,206,WHITE); delay_ms(200); } LCD_ShowString(10,80,tftlcd_data.width,tftlcd_data.height,16,"OV7670 OK! "); delay_ms(1500); OV7670_Light_Mode(0); OV7670_Color_Saturation(2); OV7670_Brightness(2); OV7670_Contrast(2); OV7670_Special_Effects(0); TIM4_Init(10000,7199); //10Khz计数频率,1秒钟中断 EXTI7_Init(); OV7670_Window_Set(12,176,240,320); //设置窗口 OV7670_CS=0; LCD_Clear(BLACK); while(1) { key=KEY_Scan(0); if(key)count=20; switch(key) { case KEY_UP: //灯光模式设置 lightmode++; if(lightmode>4)lightmode=0; OV7670_Light_Mode(lightmode); sprintf((char*)sbuf,"%s",LMODE_TBL[lightmode]); break; case KEY_DOWN: //饱和度 saturation++; if(saturation>4)saturation=0; OV7670_Color_Saturation(saturation); sprintf((char*)sbuf,"Saturation:%d",(char)saturation-2); break; case KEY_LEFT: //亮度 brightness++; if(brightness>4)brightness=0; OV7670_Brightness(brightness); sprintf((char*)sbuf,"Brightness:%d",(char)brightness-2); break; case KEY_RIGHT: //对比度 contrast++; if(contrast>4)contrast=0; OV7670_Contrast(contrast); sprintf((char*)sbuf,"Contrast:%d",(char)contrast-2); break; } if(count) { count--; LCD_ShowString((tftlcd_data.width-240)/2+30,(tftlcd_data.height-320)/2+60,200,16,16,sbuf); } camera_refresh();//更新显示 i++; if(i ==0) { led1=!led1; } //delay_ms(5); } }