STM32F407 LCD+ OV7670 攝像頭修改例程
本人進行引腳了修改，具體請查看源代碼：
OV7670攝像頭實驗.rar
(214.21 KB, 下載次數: 130)
2017-8-6 03:55 上傳
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- //////////////////////////////////////////////////////////////////////////////////
- //STM32F407VET6 OV7670攝像頭實驗
- //BY--踐行工作室
- //修改日期:2016/9/14
- //////////////////////////////////////////////////////////////////////////////////
- #include "sys.h"
- #include "delay.h"
- #include "usart.h"
- #include "led.h"
- #include "lcd.h"
- #include "key.h"
- #include "ov7670.h"
- //#include "ov7670cfg.h"
- #include "timer.h"
- #include "sccb.h"
- #include "exti.h"
- const u8*LMODE_TBL[5]={"Auto","Sunny","Cloudy","Office","Home"}; //5種光照模式
- const u8*EFFECTS_TBL[7]={"Normal","Negative","B&W","Redish","Greenish","Bluish","Antique"}; //7種特效
- extern u8 ov_sta; //在exit.c里面定義
- extern u8 ov_frame; //在timer.c里面定義
- //更新LCD顯示
- void camera_refresh(void)
- {
- u32 j;
- u16 color;
- if(ov_sta==2)
- {
- LCD_Scan_Dir(U2D_L2R); //從上到下,從左到右
- LCD_SetCursor(0x00,0x0000); //設置光標位置
- LCD_WriteRAM_Prepare(); //開始寫入GRAM
- OV7670_RRST=0; //開始復位讀指針
- OV7670_RCK=0;
- OV7670_RCK=1;
- OV7670_RCK=0;
- OV7670_RRST=1; //復位讀指針結束
- OV7670_RCK=1;
- for(j=0;j<76800;j++)
- {
- OV7670_RCK=0;
- color=(GPIOC->IDR&0XFF0)>>4; //讀數據
- OV7670_RCK=1;
- color<<=8;
- OV7670_RCK=0;
- color|=(GPIOC->IDR&0XFF0)>>4; //讀數據
- OV7670_RCK=1;
- LCD->LCD_RAM=color;
- // printf("%x, ",color);
- // LCD->LCD_RAM=0xffffff;
- }
- EXTI->PR=1<<8; //清除LINE8上的中斷標志位
- ov_sta=0; //開始下一次采集
- // ov_frame++;
- LCD_Scan_Dir(DFT_SCAN_DIR); //恢復默認掃描方向
- }
- }
- int main(void)
- {
- u8 lightmode=0,saturation=2,brightness=2,contrast=2;
- u8 effect=0;
- // u8 msgbuf[15];//消息緩存區
- Stm32_Clock_Init(336,8,2,7);//設置時鐘,168Mhz
- delay_init(168); //延時初始化
- uart_init(84,115200); //初始化串口波特率為115200
- // LED_Init(); //初始化LED
- LCD_Init();
- KEY_Init();
- OV7670_Init();
- POINT_COLOR=RED;//設置字體為紅色
- LCD_ShowString(60,50,200,16,16,"WarShip STM32");
- LCD_ShowString(60,70,200,16,16,"OV7670 TEST");
- LCD_ShowString(60,90,200,16,16,"JX-Stdio");
- LCD_ShowString(60,110,200,16,16,"2016/9/14");
- LCD_ShowString(60,130,200,16,16,"KEY0:Light Mode");
- LCD_ShowString(60,150,200,16,16,"KEY1:Saturation");
- LCD_ShowString(60,170,200,16,16,"KEY2:Brightness");
- LCD_ShowString(60,190,200,16,16,"KEY3:Contrast");
- LCD_ShowString(60,210,200,16,16,"TPAD:Effects");
- LCD_ShowString(60,230,200,16,16,"OV7670 Init...");
- while(OV7670_Init())//初始化OV7670
- {
- LCD_ShowString(60,230,200,16,16,"OV7670 Error!!");
- delay_ms(200);
- LCD_Fill(60,230,239,246,WHITE);
- delay_ms(200);
- }
- LCD_ShowString(60,230,200,16,16,"OV7670 Init OK");
- delay_ms(1500);
- OV7670_Light_Mode(lightmode);
- OV7670_Color_Saturation(saturation);
- OV7670_Brightness(brightness);
- OV7670_Contrast(contrast);
- OV7670_Special_Effects(effect);
- // TIM3_Int_Init(10000-1,8399); //10Khz計數頻率,1秒鐘中斷
- EXTI9_Init(); //使能定時器捕獲
- OV7670_Window_Set(10,174,240,320); //設置窗口
- OV7670_CS=0;
- while(1)
- {
- camera_refresh();//更新顯示
- if(!KEY0)
- {
- while(!KEY0);//燈光模式Light Mode
- lightmode++;
- if(lightmode>4)lightmode=0;
- OV7670_Light_Mode(lightmode);
- LCD_ShowString(60,190,200,16,16,"Light Mode");
- //sprintf((char*)msgbuf,"%s",LMODE_TBL[lightmode]);
- }
- if(!KEY1)
- {
- while(!KEY1);//飽和度Saturation
- saturation++;
- if(saturation>4)saturation=0;
- OV7670_Color_Saturation(saturation);
- LCD_ShowString(60,190,200,16,16,"Saturation");
- //sprintf((char*)msgbuf,"Saturation:%d",(signed char)saturation-2);
- }
- if(!KEY2)
- {
- while(!KEY2);//亮度Brightness
- brightness++;
- if(brightness>4)brightness=0;
- OV7670_Brightness(brightness);
- LCD_ShowString(60,190,200,16,16,"Brightness ");
- //sprintf((char*)msgbuf,"Brightness:%d",(signed char)brightness-2);
- }
- if(!KEY3)
- {
- while(!KEY3);//對比度Contrast
- // contrast++;
- // if(contrast>4)contrast=0;
- // OV7670_Contrast(contrast);
- effect++;
- if(effect>6)effect=0;
- OV7670_Special_Effects(effect);//設置特效
- //sprintf((char*)msgbuf,"%s",EFFECTS_TBL[effect]);
- LCD_ShowString(60,190,200,16,16,"Contrast ");
- //sprintf((char*)msgbuf,"Contrast:%d",(signed char)contrast-2);
- }
-
- }
- }
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