- #include "sys.h"
- #include "ov7670.h"
- #include "ov7670cfg.h"
- #include "timer.h"
- #include "delay.h"
- #include "usart.h"
- #include "sccb.h"
- #include "exti.h"
-
- //初始化OV7670
- //返回0:成功
- //返回其他值:錯誤代碼
- u8 temp;
- u8 OV7670_Init(void)
- {
- //u8 temp;
- u16 i=0;
- //設置IO
- GPIO_InitTypeDef GPIO_InitStructure;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG|RCC_APB2Periph_AFIO, ENABLE); //使能相關端口時鐘
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //PA8 輸入 上拉
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- GPIO_SetBits(GPIOA,GPIO_Pin_8);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //PB8
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- //GPIO_ResetBits(GPIOB,GPIO_Pin_8);
- delay_ms(5);
- GPIO_SetBits(GPIOB,GPIO_Pin_8);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4; // 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- GPIO_SetBits(GPIOB,GPIO_Pin_3|GPIO_Pin_4);
-
- GPIO_InitStructure.GPIO_Pin = 0xff; //PC0~7 輸入 上拉
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
-
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOD, &GPIO_InitStructure);
- GPIO_SetBits(GPIOD,GPIO_Pin_6);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14|GPIO_Pin_15;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOG, &GPIO_InitStructure);
- GPIO_SetBits(GPIOG,GPIO_Pin_14|GPIO_Pin_15);
-
- GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE); //SWD
- SCCB_Init(); //初始化SCCB 的IO口
- if(SCCB_WR_Reg(0x12,0x80))return 1; //復位SCCB
-
- //讀取產品型號
- temp=SCCB_RD_Reg(0x0b);
- if(temp!=0x73)return 2;
- temp=SCCB_RD_Reg(0x0a);
- if(temp!=0x76)return 2;
- //delay_ms(50);
- //初始化序列
- for(i=0;i<sizeof(ov7670_init_reg_tbl)/sizeof(ov7670_init_reg_tbl[0]);i++)
- {
- SCCB_WR_Reg(ov7670_init_reg_tbl[i][0],ov7670_init_reg_tbl[i][1]);
- }
- return 0x00; //ok
- }
- ////////////////////////////////////////////////////////////////////////////
- //OV7670功能設置
- //白平衡設置
- //0:自動
- //1:太陽sunny
- //2,陰天cloudy
- //3,辦公室office
- //4,家里home
- void OV7670_Light_Mode(u8 mode)
- {
- u8 reg13val=0XE7;//默認就是設置為自動白平衡
- u8 reg01val=0;
- u8 reg02val=0;
- switch(mode)
- {
- case 1://sunny
- reg13val=0XE5;
- reg01val=0X5A;
- reg02val=0X5C;
- break;
- case 2://cloudy
- reg13val=0XE5;
- reg01val=0X58;
- reg02val=0X60;
- break;
- case 3://office
- reg13val=0XE5;
- reg01val=0X84;
- reg02val=0X4c;
- break;
- case 4://home
- reg13val=0XE5;
- reg01val=0X96;
- reg02val=0X40;
- break;
- }
- SCCB_WR_Reg(0X13,reg13val);//COM8設置
- SCCB_WR_Reg(0X01,reg01val);//AWB藍色通道增益
- SCCB_WR_Reg(0X02,reg02val);//AWB紅色通道增益
- }
- //色度設置
- //0:-2
- //1:-1
- //2,0
- //3,1
- //4,2
- void OV7670_Color_Saturation(u8 sat)
- {
- u8 reg4f5054val=0X80;//默認就是sat=2,即不調節色度的設置
- u8 reg52val=0X22;
- u8 reg53val=0X5E;
- switch(sat)
- {
- case 0://-2
- reg4f5054val=0X40;
- reg52val=0X11;
- reg53val=0X2F;
- break;
- case 1://-1
- reg4f5054val=0X66;
- reg52val=0X1B;
- reg53val=0X4B;
- break;
- case 3://1
- reg4f5054val=0X99;
- reg52val=0X28;
- reg53val=0X71;
- break;
- case 4://2
- reg4f5054val=0XC0;
- reg52val=0X33;
- reg53val=0X8D;
- break;
- }
- SCCB_WR_Reg(0X4F,reg4f5054val); //色彩矩陣系數1
- SCCB_WR_Reg(0X50,reg4f5054val); //色彩矩陣系數2
- SCCB_WR_Reg(0X51,0X00); //色彩矩陣系數3
- SCCB_WR_Reg(0X52,reg52val); //色彩矩陣系數4
- SCCB_WR_Reg(0X53,reg53val); //色彩矩陣系數5
- SCCB_WR_Reg(0X54,reg4f5054val); //色彩矩陣系數6
- SCCB_WR_Reg(0X58,0X9E); //MTXS
- }
- //亮度設置
- //0:-2
- //1:-1
- //2,0
- //3,1
- //4,2
- void OV7670_Brightness(u8 bright)
- {
- u8 reg55val=0X00;//默認就是bright=2
- switch(bright)
- {
- case 0://-2
- reg55val=0XB0;
- break;
- case 1://-1
- reg55val=0X98;
- break;
- case 3://1
- reg55val=0X18;
- break;
- case 4://2
- reg55val=0X30;
- break;
- }
- SCCB_WR_Reg(0X55,reg55val); //亮度調節
- }
- //對比度設置
- //0:-2
- //1:-1
- //2,0
- //3,1
- //4,2
- void OV7670_Contrast(u8 contrast)
- {
- u8 reg56val=0X40;//默認就是contrast=2
- switch(contrast)
- {
- case 0://-2
- reg56val=0X30;
- break;
- case 1://-1
- reg56val=0X38;
- break;
- case 3://1
- reg56val=0X50;
- break;
- case 4://2
- reg56val=0X60;
- break;
- }
- SCCB_WR_Reg(0X56,reg56val); //對比度調節
- }
- //特效設置
- //0:普通模式
- //1,負片
- //2,黑白
- //3,偏紅色
- //4,偏綠色
- //5,偏藍色
- //6,復古
- void OV7670_Special_Effects(u8 eft)
- {
- u8 reg3aval=0X04;//默認為普通模式
- u8 reg67val=0XC0;
- u8 reg68val=0X80;
- switch(eft)
- {
- case 1://負片
- reg3aval=0X24;
- reg67val=0X80;
- reg68val=0X80;
- break;
- case 2://黑白
- reg3aval=0X14;
- reg67val=0X80;
- reg68val=0X80;
- break;
- case 3://偏紅色
- reg3aval=0X14;
- reg67val=0Xc0;
- reg68val=0X80;
- break;
- case 4://偏綠色
- reg3aval=0X14;
- reg67val=0X40;
- reg68val=0X40;
- break;
- case 5://偏藍色
- reg3aval=0X14;
- reg67val=0X80;
- reg68val=0XC0;
- break;
- case 6://復古
- reg3aval=0X14;
- reg67val=0XA0;
- reg68val=0X40;
- break;
- }
- SCCB_WR_Reg(0X3A,reg3aval);//TSLB設置
- SCCB_WR_Reg(0X68,reg67val);//MANU,手動U值
- SCCB_WR_Reg(0X67,reg68val);//MANV,手動V值
- }
- //設置圖像輸出窗口
- //對QVGA設置。
- void OV7670_Window_Set(u16 sx,u16 sy,u16 width,u16 height)
- {
- u16 endx;
- u16 endy;
- u8 temp;
- endx=sx+width*2; //V*2
- endy=sy+height*2;
- if(endy>784)endy-=784;
- temp=SCCB_RD_Reg(0X03); //讀取Vref之前的值
- temp&=0XF0;
- temp|=((endx&0X03)<<2)|(sx&0X03);
- SCCB_WR_Reg(0X03,temp); //設置Vref的start和end的最低2位
- SCCB_WR_Reg(0X19,sx>>2); //設置Vref的start高8位
- SCCB_WR_Reg(0X1A,endx>>2); //設置Vref的end的高8位
- temp=SCCB_RD_Reg(0X32); //讀取Href之前的值
- temp&=0XC0;
- temp|=((endy&0X07)<<3)|(sy&0X07);
- SCCB_WR_Reg(0X17,sy>>3); //設置Href的start高8位
- SCCB_WR_Reg(0X18,endy>>3); //設置Href的end的高8位
- }
-
復制代碼
- #include "delay.h"
- #include "sys.h"
- #include "lcd.h"
- #include "usart.h"
- #include "string.h"
- #include "ov7670.h"
- #include "timer.h"
- #include "exti.h"
- #include "ColorTracer.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
- extern volatile uint8_t Ov7725_Vsync;
- //更新LCD顯示
- u8 R,G,B;
- void camera_refresh(void)
- {
- u32 j;
- u16 color;
- if(ov_sta)//有幀中斷更新?
- {
- LCD_Scan_Dir(U2D_L2R); //從上到下,從左到右
- if(lcddev.id==0X1963)LCD_Set_Window((lcddev.width-240)/2,(lcddev.height-320)/2,240,320);//將顯示區域設置到屏幕中央
- else if(lcddev.id==0X5510||lcddev.id==0X5310)LCD_Set_Window((lcddev.width-320)/2,(lcddev.height-240)/2,320,240);//將顯示區域設置到屏幕中央
- LCD_WriteRAM_Prepare(); //開始寫入GRAM
- OV7670_RRST=0; //開始復位讀指針
- OV7670_RCK_L;
- OV7670_RCK_H;
- OV7670_RCK_L;
- OV7670_RRST=1; //復位讀指針結束
- OV7670_RCK_H;
- for(j=0;j<76800;j++)
- {
- OV7670_RCK_L;
- color=GPIOC->IDR&0XFF; //讀數據
- OV7670_RCK_H;
- color<<=8;
- OV7670_RCK_L;
- color|=GPIOC->IDR&0XFF; //讀數據
- OV7670_RCK_H;
- LCD->LCD_RAM=color;
- }
- ov_sta=0; //清零幀中斷標記
- LCD_Scan_Dir(DFT_SCAN_DIR); //恢復默認掃描方向
- }
- }
- u8 i=0;
- int main(void)
- {
- u8 lightmode=0,saturation=2,brightness=2,contrast=2;
- u8 effect=0;
- delay_init(); //延時函數初始化
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//設置中斷優先級分組為組2:2位搶占優先級,2位響應優先級
- uart_init(921600); //串口初始化為 115200
- LCD_Init(); //初始化LCD
-
- while(OV7670_Init())//初始化OV7670
- {
- LCD_ShowString(30,230,200,16,16,"OV7670 Error!!");
- delay_ms(200);
- LCD_Fill(30,230,239,246,WHITE);
- delay_ms(200);
- }
- POINT_COLOR=RED;
- LCD_ShowString(30,230,200,16,16,"OV7670 Init OK");
- delay_ms(1500);
- OV7670_Light_Mode(lightmode);
- OV7670_Color_Saturation(saturation);
- OV7670_Brightness(brightness);
- OV7670_Contrast(contrast);
- OV7670_Special_Effects(effect);
- TIM6_Int_Init(10000,7199); //10Khz計數頻率,1秒鐘中斷
- EXTI8_Init(); //使能定時器捕獲
- OV7670_Window_Set(12,176,240,320); //設置窗口
- OV7670_CS=0;
- LCD_Clear(BLACK);
- while(1)
- {
- camera_refresh();//更新顯示
-
- if(Ov7725_Vsync == 2)
- {
- Ov7725_Vsync = 0;
-
- switch(i)
- {
- case 0:
- if(Trace(&condition0, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("綠色");
- }
- else
- {
- i = 1;
- }
- break;
- case 1:
- if(Trace(&condition1, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("藍色");
- }
- else
- {
- i = 2;
- }
- break;
- case 2:
- if(Trace(&condition2, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("紫色");
- }
- else
- {
- i = 3;
- }
- break;
- case 3:
- if(Trace(&condition3, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("黑色");
- }
- else
- {
- i = 4;
- }
- break;
- case 4:
- if(Trace(&condition4, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("橙色");
- }
- else
- {
- i = 5;
- }
- break;
- case 5:
- if(Trace(&condition5, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
-
- printf("黃色");
- }
- else
- {
- i = 6;
- }
- break;
- case 6:
- if(Trace(&condition6, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- printf("棕色");
- }
- else
- {
- i = 8;
- }
- break;
- // case 7:
- // if(Trace(&condition7, &result))
- // {
- // LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- // //k = 1;
- // }
- // else
- // {
- // i = 8;
- // }
- // break;
- case 8:
- if(Trace(&condition8, &result))
- {
- LCD_DrawRectangle ( result.x-result.w/2, result.y-result.h/2, result.x+result.w/2, result.y+result.h/2);
- //k = 1;
- printf("紅色");
- }
- else
- {
- i = 0;
- }
- break;
-
-
- }
-
-
- }
-
- }
- }
復制代碼
全部資料51hei下載地址:
顏色識別追蹤.7z
(231.66 KB, 下載次數: 145)
2019-7-29 16:57 上傳
點擊文件名下載附件
|