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guowenxue

2018-02-04 785deec23b4cb1e7c4c4d81eb808f195adb1d98a

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/**************************************************************************** 
*   Copyright: (C)2014 Î人ÁèÔÆǶÈëʽʵÑéÊÒ www.emblinux.com 
*      Author:  GuoWenxue<guowenxue@gmail.com> QQ: 281143292 
* Description: ±¾Àý³ÌÔڷܶ·STM32 V5¿ª·¢°åÉϵ÷ͨ¹ý; LED1-PB5  LED2-PD6 LED3-PD3 
*  
*   ChangeLog: 
*        °æ±¾ºÅ     ÈÕÆÚ       ×÷Õß      ËµÃ÷ 
*        V1.0.0  2014.08.22  GuoWenxue   ·¢²¼¸Ã°æ±¾ 
****************************************************************************/ 
#include "stm32f10x.h" 
#include "stm32v5_uart.h" 
#include "stm32v5_systick.h" 
#include "lcd_r61509v.h" 
#include "lcd_draw.h" 
#include "stm32v5_ov7670.h" 
#include <stdio.h> 
 
void RCC_Configuration(void) 
{ 
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);  
  RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC  
                                     |RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE , ENABLE); 
} 
 
 
static void set_camera_lcd_window(void) 
{ 
    LCDD_Fill(COLOR_WHITE); 
     
    /* ²Î¿¼LCDÇý¶¯Æ÷ÊÖ²á R61509VÊÖ²á.pdf */ 
  LCD_WriteReg(R61509V_R003H,0x1018); //Entry Mode Í¼ÏñÏÔʾ·½ÏòΪ×óÏÂÆð  ÐеÝÔö  Áеݼõ 
    LCD_SetWindow(0, 40, 240, 320);     //ÉãÏñÍ·Êä³öΪQVGA,ËùÒÔ´°¿Ú´óСΪ240*320  
    LCD_SetCursor(0, 359);              //ˮƽÏÔʾÆðʼµØÖ·0,´¹Ö±ÏÔʾÆðʼµØÖ·359 
} 
 
int main(void) 
{     
  uint32_t i; 
  uint16_t data; 
 
    RCC_Configuration(); 
    sysclock_init();        /* ³õʼ»¯sysclock,ÌṩÑÓʱº¯Êý */ 
    //dbg_setup_uart();     /* ³õʼ»¯´®¿ÚºÍprintf */ 
    LCD_Initialize();       /* ³õʼ»¯LCD */ 
    OV7670_Initialize(FMT_QVGA_RGB565);    /* ³õʼ»¯OV7670ÉãÏñÍ· */ 
 
    //printf("Start OV7670 camera monitor and LCD display...\n");         
  set_camera_lcd_window(); 
     
    g_OV7670_VSYNC = 0; 
  LCD_WriteRAM_Prepare();                //×¼±¸Ð´Êý¾Ýµ½ÏÔʾÇø     
  while(1) 
  { 
        /*ÔÚÏÂÃæµÄ´úÂëÖУ¬ÎÒÃÇÖ±½ÓʹÓúê¶ø²»ÊǺ¯Êýµ÷Ó㬿ÉÒÔÃ÷ÏÔ¼Ó¿ì³ÌÐòËٶȣ» 
          Èç¹û¸Ä³Éºêµ÷Óã¬ÔÚŲ¶¯ÉãÏñÍ·µÄ¹ý³ÌÖлá³öÏÖ¿¨ÆÁÏÖÏó */ 
        if(2 == g_OV7670_VSYNC) 
        { 
            //printf("Read a frame and write to LCD\n"); 
            OV7670_FIFO_READ_PREPARE(); 
             
            for(i=0; i<OV7670_OUT_MAX_PIXS; i++) 
            { 
                FIFO_RCLK_L();  
                data = ((GPIOC->IDR<<8) & 0xff00);     
             
                FIFO_RCLK_H(); 
                FIFO_RCLK_L(); 
             
                data |= (((GPIOC->IDR) & 0x00ff)); 
                FIFO_RCLK_H(); 
                LCD_D()=data;   //½«FIFOÖеÄ16λÊý¾ÝдÈëÏÔʾÇø                  
            }     
             
            g_OV7670_VSYNC = 0;             
        } /* (2 == g_OV7670_VSYNC) */ 
  } 
}