自己改的代碼，stm32，ov7670識別二值化并識別黑色物體，串口返回坐標值

ID:320701 · 發表于 2018-7-18 15:42

自己網上找的代碼，根據要求修改可二值化，識別黑色物體，用紅色框框框起來，串口返回坐標值

單片機源程序如下:

#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "string.h"
#include "ov7670.h"
#include "tpad.h"
#include "timer.h"
#include "exti.h"
#include "usmart.h"
#include "EasyTracered.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
u16 r0,r1;
u16 g0,g1;
u16 b0,b1;
RESULT Resured;//判定為的目標條件
RESULT Resugreen;
RESULT Resublue;
//更新LCD顯示
void camera_refresh(void)//讀取FIFO里面的數據
{
u32 j;
u16 color;
u16 k;
// TARGET_CONDI Conditionred={160,160,0,0,240,240,30,30,320,240}; // API參數 hsl的閾值，識別時用的
TARGET_CONDI Conditiongreen={0,240,0,240,0,50,30,30,320,240}; //黑色1 API參數 hls的閾值，識別時用的
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)/2,960,640);//將顯示區域設置到屏幕中央
else if(lcddev.id==0X5510||lcddev.id==0X5310)LCD_Set_Window(0,0,320,240);//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;
k=color>>11;//rrrrrggggggbbbb
if(k>=0x0008)
{
color=0xffff;//全白
}
else
{
color=0x0000;//全黑
}
LCD->LCD_RAM=color;
}
if(Trace1(&Conditiongreen,&Resugreen) ) //API
{
LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x+Resugreen.w/2,Resugreen.y-Resugreen.h/2+1,0xf800);//u16 x,u16 y,u16 width,u16 hight,u16 Color
LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x-Resugreen.w/2+1,Resugreen.y+Resugreen.h/2,0xf800);
LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y+Resugreen.h/2,Resugreen.x+Resugreen.w/2,Resugreen.y+Resugreen.h/2+1,0xf800);
LCD_Fillgreen(Resugreen.x+Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x+Resugreen.w/2+1,Resugreen.y+Resugreen.h/2,0xf800);
LCD_Fillgreen(Resugreen.x-2,Resugreen.y-2,Resugreen.x+2,Resugreen.y+2,0xf800);
// LED1=!LED1;
g0=Resugreen.x;
g1=Resugreen.y;
}
ov_sta=0; //清零幀中斷標記
ov_frame++;
LCD_Scan_Dir(DFT_SCAN_DIR); //恢復默認掃描方向
}
}
int main(void)
{
u8 key;
u8 lightmode=0,saturation=2,brightness=2,contrast=2;
u8 effect=6;
u8 i=0;
u8 msgbuf[15]; //消息緩存區
u8 tm=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(115200); //串口初始化為 115200
usmart_dev.init(72); //初始化USMART
LED_Init(); //初始化與LED連接的硬件接口
KEY_Init(); //初始化按鍵
LCD_Init(); //初始化LCD
TPAD_Init(6); //觸摸按鍵初始化
POINT_COLOR=RED; //設置字體為紅色
LCD_ShowString(30,50,200,16,16,"WarShip STM32");
LCD_ShowString(30,70,200,16,16,"OV7670 TEST");
LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");
LCD_ShowString(30,110,200,16,16,"2015/1/18");
LCD_ShowString(30,130,200,16,16,"KEY0:Light Mode");
LCD_ShowString(30,150,200,16,16,"KEY1:Saturation");
LCD_ShowString(30,170,200,16,16,"KEY2:Brightness");
LCD_ShowString(30,190,200,16,16,"KEY_UP:Contrast");
LCD_ShowString(30,210,200,16,16,"TPAD:Effects");
LCD_ShowString(30,230,200,16,16,"OV7670 Init...");
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);
}
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); //是特效
TIM6_Int_Init(10000,7199); //10Khz計數頻率,1秒鐘中斷
EXTI8_Init(); //使能定時苃 n韃痘?
// OV7670_Window_Set(12,176,240,320); //設置窗口
OV7670_config_window(12,176,240,320);
OV7670_CS=0;
LCD_Clear(BLACK);
while(1)
{
key=KEY_Scan(0);//不支持連按
if(key)
{
tm=20;
switch(key)
{
case KEY0_PRES: //燈光模式Light Mode
lightmode++;
if(lightmode>4)lightmode=0;
OV7670_Light_Mode(lightmode);
sprintf((char*)msgbuf,"%s",LMODE_TBL[lightmode]);
break;
case KEY1_PRES: //飽和度Saturation
saturation++;
if(saturation>4)saturation=0;
OV7670_Color_Saturation(saturation);
sprintf((char*)msgbuf,"Saturation:%d",(signed char)saturation-2);
break;
case KEY2_PRES: //亮度Brightness
brightness++;
if(brightness>4)brightness=0;
OV7670_Brightness(brightness);
sprintf((char*)msgbuf,"Brightness:%d",(signed char)brightness-2);
break;
case WKUP_PRES: //對比度Contrast
contrast++;
if(contrast>4)contrast=0;
OV7670_Contrast(contrast);
sprintf((char*)msgbuf,"Contrast:%d",(signed char)contrast-2);
break;
}
}
if(TPAD_Scan(0))//檢測到觸摸按鍵
{
effect++;
if(effect>6)effect=0;
OV7670_Special_Effects(effect);//設置特效
sprintf((char*)msgbuf,"%s",EFFECTS_TBL[effect]);
tm=20;
}
camera_refresh();//更新顯示
if(tm)
{
LCD_ShowString((lcddev.width-240)/2+30,(lcddev.height-320)/2+60,200,16,16,msgbuf);
tm--;
}
i++;
if(i==15)//DS0閃爍.
{
i=0;
LED0=!LED0;
printf("x坐標=%d\r\n",g0);
printf("y坐標=%d\r\n",g1);
}
}
}

復制代碼

所有資料51hei提供下載:

實驗35 攝像頭實驗.rar (394.47 KB, 下載次數: 177)

ID:341045 · 發表于 2018-7-19 12:01

收藏備用，謝謝分享

ID:374851 · 發表于 2018-7-19 14:47

學習了

ID:383374 · 發表于 2018-11-29 13:58

不錯的例程

ID:511417 · 發表于 2019-4-13 18:58

下載試試

ID:524469 · 發表于 2019-4-29 18:58

試試看

ID:466908 · 發表于 2019-5-1 10:18

請問樓主的ov7670有沒有帶FIFO

ID:138247 · 發表于 2019-5-2 15:23

謝謝樓主分享。。。

ID:537523 · 發表于 2019-5-13 23:10

這個用ov7725 都需要改哪些程序

ID:28208 · 發表于 2019-5-19 13:37

挺厲害的！

ID:542507 · 發表于 2019-5-20 02:17

前輩你這個很厲害，比如我電腦屏幕有5種顏色，分別是1 2 3 4 5，假如攝像頭識別到2號顏色就反饋回一個2號的信息，這個信息到我的舵機控制器里我控制器再實現我代碼寫好的動作可以實現嗎？

ID:352976 · 發表于 2019-5-23 19:36

為什么燒錄到單片機上只有白框沒有圖像啊

ID:572726 · 發表于 2019-7-31 16:47

其他顏色怎么改呢

ID:587606 · 發表于 2019-8-5 15:27

if(Trace1(&Conditiongreen,&Resugreen) )                   //API
                     {
                              LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x+Resugreen.w/2,Resugreen.y-Resugreen.h/2+1,0xf800);//u16 x,u16 y,u16 width,u16 hight,u16 Color
                              LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x-Resugreen.w/2+1,Resugreen.y+Resugreen.h/2,0xf800);
                              LCD_Fillgreen(Resugreen.x-Resugreen.w/2,Resugreen.y+Resugreen.h/2,Resugreen.x+Resugreen.w/2,Resugreen.y+Resugreen.h/2+1,0xf800);
                              LCD_Fillgreen(Resugreen.x+Resugreen.w/2,Resugreen.y-Resugreen.h/2,Resugreen.x+Resugreen.w/2+1,Resugreen.y+Resugreen.h/2,0xf800);
                              LCD_Fillgreen(Resugreen.x-2,Resugreen.y-2,Resugreen.x+2,Resugreen.y+2,0xf800);
                              // LED1=!LED1;
                              g0=Resugreen.x;
                              g1=Resugreen.y;
                     }

能不能請問下這段代碼的含義？

ID:542954 · 發表于 2019-8-11 17:03

菜雞一只314159 發表于 2019-5-1 10:18
請問樓主的ov7670有沒有帶FIFO

你看程序里有寫讀取FIFO的函數應該是帶的

ID:585455 · 發表于 2019-8-18 23:29

只做過arducam ov2640
感謝分享ov7670

ID:592325 · 發表于 2019-9-10 14:57

能問下是用那個芯片嗎

ID:612668 · 發表于 2019-10-8 16:19

收藏備用，謝謝分享

ID:320701 · 發表于 2020-5-9 15:46

zhang@# 發表于 2019-9-10 14:57
能問下是用那個芯片嗎

STM32F103

ID:625538 · 發表于 2020-7-20 17:01

anzhii 發表于 2019-5-13 23:10
這個用ov7725 都需要改哪些程序

我也是OV7725 請問能直接用嗎

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自己改的代碼，stm32，ov7670識別二值化并識別黑色物體，串口返回坐標值

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