stm32 操控 ov7670 图像识别源程序 -

#include <stdio.h>
#include <math.h>
#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "string.h"
#include "ov7725.h"
#include "tpad.h"
#include "timer.h"
#include "exti.h"
#include "usmart.h"
#include "color.h"
#include "xd.h"
#include "ov7670.h"
//传感器名字宏定义
#define OV7725 1
#define OV7670 2
#define uchar unsigned char
uchar xx,yy,m2;
int yc,xc,ENA,ENB;
//由于OV7725传感器安装方式原因,OV7725_WINDOW_WIDTH相当于LCD的高度，OV7725_WINDOW_HEIGHT相当于LCD的宽度
//注意：此宏定义只对OV7725有效
#define OV7725_WINDOW_WIDTH 320 // <=320
#define OV7725_WINDOW_HEIGHT 240 // <=240
//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
//更新LCD显示
//void camera_refresh(void)
//{
// u32 j,i;
// 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
//// OV7725_RRST=0; //开始复位读指针
//// OV7725_RCK_L;
//// OV7725_RCK_H;
//// OV7725_RCK_L;
//// OV7725_RRST=1; //复位读指针结束
//// OV7725_RCK_H;
// 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(i=0;i<OV7725_WINDOW_HEIGHT;i++)
// {
// for(j=0;j<OV7725_WINDOW_WIDTH;j++)
// {
// OV7725_RCK_L;
// color=GPIOC->IDR&0XFF; //读数据
// OV7725_RCK_H;
// color<<=8;
// OV7725_RCK_L;
// color|=GPIOC->IDR&0XFF; //读数据
// OV7725_RCK_H;
// 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
// if(Trace(&condition, &result))
// {
// LCD_DrawRectangle( result.x-result.w/2, result.y-result.h/2, result.x-result.w/2+result.w, result.y-result.h/2+result.h);
// LCD_DrawRectangle( result.x-2, result.y-2,result.x+2, result.y+2);
//
//
// xx=result.x;yy=result.y;
// LCD_ShowNum(1,280.,xx,3,16);
// LCD_ShowNum(1,300.,yy,3,16);
// }
// else {xx=0;yy=0; LCD_ShowNum(1,280.,xx,3,16);LCD_ShowNum(1,300.,yy,3,16);}
// }
//}
void camera_refresh(void)
{
u32 j,i;
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
// OV7725_RRST=0; //开始复位读指针
// OV7725_RCK_L;
// OV7725_RCK_H;
// OV7725_RCK_L;
// OV7725_RRST=1; //复位读指针结束
// OV7725_RCK_H;
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(i=0;i<OV7725_WINDOW_HEIGHT;i++)
{
for(j=0;j<OV7725_WINDOW_WIDTH;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;
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
if(Trace(&condition, &result))
{
LCD_DrawRectangle( result.x-result.w/2, result.y-result.h/2, result.x-result.w/2+result.w, result.y-result.h/2+result.h);
LCD_DrawRectangle( result.x-2, result.y-2,result.x+2, result.y+2);
xx=result.x;yy=result.y;
LCD_ShowNum(1,280.,xx,3,16);
LCD_ShowNum(1,300.,yy,3,16);
}
else {xx=0;yy=0; LCD_ShowNum(1,280.,xx,3,16);LCD_ShowNum(1,300.,yy,3,16);}
}
}
u16 a,b,c;
u16 t=0;
u8 key;
u8 lightmode=4,saturation=2,contrast=2;
u8 effect=0;
int main(void)
{
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
XD_Init();
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
TIM3_PWM_Init(899,0);
TIM3_PWM2_Init(899,0);
POINT_COLOR=RED; //设置字体为红色
LCD_ShowString(30,10,200,16,16,"WJS STM32");
LCD_ShowString(30,70,200,16,16,"ATOM@ALIENTEK");
LCD_ShowString(30,90,200,16,16,"2018/8/5");
LCD_ShowString(30,110,200,16,16,"OV7725 Init...");
while(OV7670_Init())//初始化OV7670
{
LCD_ShowString(30,210,200,16,16,"OV7725 Error!!");
delay_ms(200);
LCD_Fill(30,210,239,246,WHITE);
delay_ms(200);
}
LCD_ShowString(30,210,200,16,16,"OV7725 Init OK");
delay_ms(1500);
OV7670_Brightness(-2);
OV7670_Contrast(-2);
TIM6_Int_Init(9999,7199); //10Khz计数频率,1秒钟中断
EXTI8_Init(); //使能定时器捕获
// OV7670_Window_Set(320,240,1); //设置窗口
// OV7725_CS=0;
OV7670_Window_Set(12,176,240,320); //设置窗口
OV7670_CS=0;
LCD_Clear(BLACK);
while(1)
{
POINT_COLOR=BLACK;
camera_refresh();//更新显示
printf("x = %d \r\n",xx);
printf("y = %d \r\n",yy);
yc=yy-220;
xc=xx-220;
yc=abs(yc);
xc=abs(xc);
ENA=yc*2+xc*1.7;
ENB=yc*2-xc*1.7;
if((xx<150)&&(xx>70)&&(yy<150)&&(yy>70)) {tz();ENA=0;ENB=0;}
else if((xx<150)&&(xx>70)&&(yy<220)&&(yy>140)) {qj();}
else if((xx<150)&&(xx>70)&&(yy<70)&&(yy>0)) {ht();}
else if((xx<220)&&(xx>140)&&(yy<220)&&(yy>0)) {zz();}
else if((xx<70)&&(xx>0)&&(yy<220)&&(yy>0)) {yz();}
TIM_SetCompare2(TIM3,ENA);//ENA
TIM_SetCompare3(TIM3,ENB); //ENB
}
}

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