ov7670测试程序,用于stm32图像识别，未完善 -

#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 "EasyTracer.h"
#define min3v(v1, v2, v3) ((v1)>(v2)? ((v2)>(v3)?(v3):(v2)):((v1)>(v3)?(v3):(v1)))
#define max3v(v1, v2, v3) ((v1)<(v2)? ((v2)<(v3)?(v3):(v2)):((v1)<(v3)?(v3):(v1)))
/************************************************
************************************************/
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 data1[500];
//更新LCD显示
void camera_refresh(void)
{ u8 r,g,b,maxVal,minVal;
u32 j;
u16 color;
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)/2,240,320);//将显示区域设置到屏幕中央
else if(lcddev.id==0X5510||lcddev.id==0X5310)LCD_Set_Window((lcddev.width-320)/2,(lcddev.height-240)/2,320,240);//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;
r = (unsigned char)((color&0xf800)>>8);
g = (unsigned char)((color&0x07e0)>>3);
b = (unsigned char)((color&0x001f)<<3);
maxVal = max3v(r, g, b);
minVal = min3v(r, g, b);
color = (maxVal+minVal)*240/255/2;
if(j<400)data1[j]=color;
if(color>55)color=0xffff;
else color=0;
LCD->LCD_RAM=color;
}
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)
{
RESULT Resu;
TARGET_CONDI Condition={180,230,20,250,20,200,32,32,320,240};
int ch;
int cl=0;
int cr=0;
int cf=0;
int cb=0;
/*四轴行动参数*/
int zuoyou=0;
int qianhou=0;
// u8 key;
u8 lightmode=0,saturation=0,brightness=0,contrast=0;
u8 effect=0;
// 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);
TIM6_Int_Init(10000,7199); //10Khz计数频率,1秒钟中断
EXTI8_Init(); //使能定时器捕获
OV7670_Window_Set(12,176,240,320); //设置窗口
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;
// }
delay_ms(1);
camera_refresh();//更新显示
// LCD_Fill(100,100,200, 200,RED);
if(Trace(&Condition,&Resu))
{
// LCD_Fill(Resu.x-Resu.w/2,Resu.y-Resu.h/2,Resu.x+Resu.w/2, Resu.y-Resu.h/2+20,RED);
LCD_Draw_Circle(Resu.x,Resu.y,20);
LED0=0;
/*四轴行动*/
zuoyou=Resu.x-120;
qianhou=Resu.y-160;
if(abs(zuoyou)>3)
{
if(zuoyou<0)
{left=0;right=1;}
else{left=1;right=0;}
}
else {left=0;right=0;}
if(abs(qianhou)>3)
{
if(qianhou<0)
{forward=0;backward=1;}
else{forward=1;backward=0;}
}
else {forward=0;backward=0;}
LCD_Draw_Circle(120,160,ch*5);
LCD_Draw_Circle(80,160,cl*10);
LCD_Draw_Circle(160,160,cr*10);
LCD_Draw_Circle(120,120,cf*10);
LCD_Draw_Circle(120,200,cb*10);
// GUI_Fill(Resu.x-Resu.w/2,Resu.y-Resu.h/2,Resu.w,1,0xf800);
// GUI_Fill(Resu.x-Resu.w/2,Resu.y-Resu.h/2,1,Resu.h,0xf800);
// GUI_Fill(Resu.x-Resu.w/2,Resu.y+Resu.h/2,Resu.w,1,0xf800);
// GUI_Fill(Resu.x+Resu.w/2,Resu.y-Resu.h/2,1,Resu.h,0xf800);
// GUI_Fill(Resu.x-2,Resu.y-2,4,4,0xf800);
}
else
{LCD_ShowString(30,240,200,16,16,"Target is not found");
Resu->x=120,Resu->y,=160;
LED0=1;}
// 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;
// }
}
}

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