自己改的代码，stm32，ov7670识别二值化并识别黑色物体，串口返回坐标值 -

#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种光照模式
const u8*EFFECTS_TBL[7]={"Normal","Negative","B&W","Redish","Greenish","Bluish","Antique"}; //7种特效
extern u8 ov_sta; //在exit.c里面定义
extern u8 ov_frame; //在timer.c里面定义
u16 r0,r1;
u16 g0,g1;
u16 b0,b1;
RESULT Resured;//判定为的目标条件
RESULT Resugreen;
RESULT Resublue;
//更新LCD显示
void camera_refresh(void)//读取FIFO里面的数据
{
u32 j;
u16 color;
u16 k;
// TARGET_CONDI Conditionred={160,160,0,0,240,240,30,30,320,240}; // API参数 hsl的阈值，识别时用的
TARGET_CONDI Conditiongreen={0,240,0,240,0,50,30,30,320,240}; //黑色1 API参数 hls的阈值，识别时用的
if(ov_sta)//有帧中断更新？
{
LCD_Scan_Dir(U2D_L2R); //从上到下,从左到右
if(lcddev.id==0X1963)LCD_Set_Window((lcddev.width-240)/2,(lcddev.height-320)/2,960,640);//将显示区域设置到屏幕中央
else if(lcddev.id==0X5510||lcddev.id==0X5310)LCD_Set_Window(0,0,320,240);//将显示区域设置到屏幕中央
LCD_WriteRAM_Prepare(); //开始写入GRAM
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(j=0;j<76800;j++)
{
OV7670_RCK_L;
color=GPIOC->IDR&0XFF; //读数据
OV7670_RCK_H;
color<<=8;
OV7670_RCK_L;
color|=GPIOC->IDR&0XFF; //读数据
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; //清零帧中断标记
ov_frame++;
LCD_Scan_Dir(DFT_SCAN_DIR); //恢复默认扫描方向
}
}
int main(void)
{
u8 key;
u8 lightmode=0,saturation=2,brightness=2,contrast=2;
u8 effect=6;
u8 i=0;
u8 msgbuf[15]; //消息缓存区
u8 tm=0;
delay_init(); //延时函数初始化
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置中断优先级分组为组2：2位抢占优先级，2位响应优先级
uart_init(115200); //串口初始化为 115200
usmart_dev.init(72); //初始化USMART
LED_Init(); //初始化与LED连接的硬件接口
KEY_Init(); //初始化按键
LCD_Init(); //初始化LCD
TPAD_Init(6); //触摸按键初始化
POINT_COLOR=RED; //设置字体为红色
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计数频率,1秒钟中断
EXTI8_Init(); //使能定时苃 n鞑痘?
// OV7670_Window_Set(12,176,240,320); //设置窗口
OV7670_config_window(12,176,240,320);
OV7670_CS=0;
LCD_Clear(BLACK);
while(1)
{
key=KEY_Scan(0);//不支持连按
if(key)
{
tm=20;
switch(key)
{
case KEY0_PRES: //灯光模式Light Mode
lightmode++;
if(lightmode>4)lightmode=0;
OV7670_Light_Mode(lightmode);
sprintf((char*)msgbuf,"%s",LMODE_TBL[lightmode]);
break;
case KEY1_PRES: //饱和度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: //对比度Contrast
contrast++;
if(contrast>4)contrast=0;
OV7670_Contrast(contrast);
sprintf((char*)msgbuf,"Contrast:%d",(signed char)contrast-2);
break;
}
}
if(TPAD_Scan(0))//检测到触摸按键
{
effect++;
if(effect>6)effect=0;
OV7670_Special_Effects(effect);//设置特效
sprintf((char*)msgbuf,"%s",EFFECTS_TBL[effect]);
tm=20;
}
camera_refresh();//更新显示
if(tm)
{
LCD_ShowString((lcddev.width-240)/2+30,(lcddev.height-320)/2+60,200,16,16,msgbuf);
tm--;
}
i++;
if(i==15)//DS0闪烁.
{
i=0;
LED0=!LED0;
printf("x坐标=%d\r\n",g0);
printf("y坐标=%d\r\n",g1);
}
}
}

复制代码