STM32.zip_STM32 摄像头_ministm32

#include "sys.h" #include "usart.h" #include "delay.h" #include "led.h" #include "key.h" #include "exti.h" #include "wdg.h" #include "timer.h" #include "lcd.h" #include "ov7670.h" #include "usmart.h" //Mini STM32开发板扩展实验20 //摄像头 实验 //正点原子@ALIENTEK //技术论坛:www.openedv.com //广州市星翼电子科技有限公司 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; u16 color; if(ov_sta==2) { LCD_Scan_Dir(U2D_L2R); //从上到下,从左到右 LCD_SetCursor(0x00,0x0000); //设置光标位置 LCD_WriteRAM_Prepare(); //开始写入GRAM OV7670_CS=0; OV7670_RRST=0; //开始复位读指针 OV7670_RCK=0; OV7670_RCK=1; OV7670_RCK=0; OV7670_RRST=1; //复位读指针结束 OV7670_RCK=1; for(j=0;j<76800;j++) { GPIOB->CRL=0X88888888; OV7670_RCK=0; color=OV7670_DATA; //读数据 OV7670_RCK=1; color<<=8; OV7670_RCK=0; color|=OV7670_DATA; //读数据 OV7670_RCK=1; GPIOB->CRL=0X33333333; LCD_WR_DATA(color); } OV7670_CS=1; OV7670_RCK=0; OV7670_RCK=1; EXTI->PR=1<<15; //清除LINE8上的中断标志位 ov_sta=0; //开始下一次采集 ov_frame++; LCD_Scan_Dir(DFT_SCAN_DIR); //恢复默认扫描方向 } } int main(void) { u8 i; Stm32_Clock_Init(9); //系统时钟设置 uart_init(72,9600); //串口初始化为9600 delay_init(72); //延时初始化 OV7670_Init(); LED_Init(); //初始化与LED连接的硬件接口 LCD_Init(); //初始化LCD if(lcddev.id==0X6804) //强制设置屏幕分辨率为320*240.以支持3.5寸大屏 { lcddev.width=240; lcddev.height=320; } usmart_dev.init(72); //初始化USMART POINT_COLOR=RED;//设置字体为红色 LCD_ShowString(60,50,200,200,16,"Mini STM32"); LCD_ShowString(60,70,200,200,16,"OV7670 TEST"); LCD_ShowString(60,90,200,200,16,"ATOM@ALIENTEK"); LCD_ShowString(60,110,200,200,16,"2012/10/31"); LCD_ShowString(60,130,200,200,16,"Use USMART To Set!"); LCD_ShowString(60,150,200,200,16,"OV7670 Init..."); while(OV7670_Init())//初始化OV7670 { LCD_ShowString(60,150,200,200,16,"OV7670 Error!!"); delay_ms(200); LCD_Fill(60,230,239,246,WHITE); delay_ms(200); } LCD_ShowString(60,150,200,200,16,"OV7670 Init OK"); delay_ms(1500); Timerx_Init(10000,7199); //TIM3,10Khz计数频率,1秒钟中断 EXTI15_Init(); //使能定时器捕获 OV7670_Window_Set(10,174,240,320); //设置窗口 OV7670_CS=0; while(1) { camera_refresh(); //更新显示 if(i!=ov_frame) //DS0闪烁. { i=ov_frame; LED0=!LED0; } } }