分享红龙STM32F429+摄像头OV5642模块实现二维码识别

[复制链接]

20110610ligo 发布时间：2016-9-29 19:20

技术帖
文章封面:	-
文章简介:	-

本帖最后由 20110610ligo 于 2016-9-29 19:28 编辑

可以进来看看？下面有我自己的例程下载。玩一玩

/**
  * @file main.c
  * @author  WB R&D Team - openmcu666
  * @version V0.1
  * @date 2016.08.24
  * @brief Main Program body
  */

#include "stm32f4xx.h"
#include "Gpio.h"
#include "usart.h"
#include "delay.h"
#include "stm32f429i_lcd.h"
#include "ov7670.h"
#include "ov2640.h"
#include "ov5642.h"
#include "mt9d111.h"
#include "CamConfig.h"
#include "sccb_bus.h"
#include "RTC.h"
#include "string.h"
#include "QR_Decoder.h"

//only for OV5642

/*****************************************************************************
** Main Function  main()
******************************************************************************/
int main(void)
{
uint16_t temper;
char  qr_type_len=0;
  short qr_data_len=0;
  char qr_type_buf[10];
  char qr_data_buf[512];
  int addr=0;
  int i=0,j=0;
  char qr_num=0;

USART1_Init();
//LED_Init();
  Key_Init();
BEEP_Init();
printf("\r\n");
printf("Hello Welcome.\r\n");
printf("Thank You For Choosing Our Products.\r\n");
printf("Thank You Very Much.\r\n");
printf("This Example Camera.\r\n");
printf("\r\n");
printf("DCMI Initialization...\r\n");
LCD_Init();
LCD_LayerInit();
  LTDC_Cmd(ENABLE);
  LCD_SetLayer(LCD_BACKGROUND_LAYER);
LCD_SetTransparency(0xFF);
LCD_Clear(BLACK);
LCD_SetLayer(LCD_FOREGROUND_LAYER); //使用前景层
  LCD_SetTransparency(0xFF);       //设置透明度
  LCD_Clear_ARGB8888(0x40000000);

  LCD_SetTextColor_ARGB8888(0xFFFFFFFF);
  LCD_DrawFullRect_ARGB8888(Frame_Width,Frame_Width);                            //绘制透明框

  LCD_DrawBox_ARGB8888(Frame_Width,Frame_Line_Length,Frame_Line_Size,0xD05CBDE7);  //绘制扫描框

printf("Ok,Let's Go...\r\n");

temper = ov7670_check();       //Camera是否为OV7670

if (temper == 0x7673)
{
printf("Cam ID : [0x%02x]\r\n",temper);
if (ov7670_init())
{
printf("Init OV7670 reg Fail...\r\n");
   while (1)
   {

   }
}
else
{
printf("Init OV7670 reg OK...\r\n");
printf("Show Camer Data...\r\n");

}

}
else
{
temper=ov2640_check();

if(temper==0x2642)                      //OV2640
{
if (ov2640_init())
   {
printf("Init OV2640 reg Fail...\r\n");
while (1)
{}
   }
   else
   {
printf("Cam ID : [0x%02x]\r\n",temper);
printf("Init OV2640 reg OK...\r\n");
printf("Show Camer Data...\r\n");

   }

   }
else                                     //ov5642 or mt9d111
{
temper=ov5642_check();
printf("Cam ID : [0x%02x]\r\n",temper);
   if (temper==0x5642)//mt9d111_init
   {
   ov5642_init();
   printf("Init ov5642 reg OK...\r\n");
   printf("Show Camer Data...\r\n");
   }
   else
   {
   printf("Init ov5642 reg Fail...\r\n");
while (1){}
   }
}
}
// if(RTC_Config())                                 //初始化RTC
// {
//    printf("\r\nLSE start failed\r\n");
// }
// RTC_Set_WakeUp(RTC_WakeUpClock_CK_SPRE_16bits,0); //配置WAKE UP中断,1秒钟中断一次,用于统计帧率
  systick_delay_ms(100);
ov5642_auto_focus();
cam_start();

while (1)
  {
qr_num = QR_decoder();
   if(qr_num)
   {
      GPIO_SetBits(BEEP_GPIO_PORT,BEEP_GPIO_PIN);
   systick_delay_ms(100);
   GPIO_ResetBits(BEEP_GPIO_PORT,BEEP_GPIO_PIN);
      //解码的数据是按照识别条码的个数封装好的二维数组,这些数据需要
      //根据识别条码的个数，按组解包并通过串口发送到上位机串口终端
      for(i=0;i < qr_num;i++)
      {
         qr_type_len = decoded_buf[addr++];//获取解码类型长度

         for(j=0;j < qr_type_len;j++)
               qr_type_buf[j]=decoded_buf[addr++];//解码类型

         qr_data_len  = decoded_buf[addr++]<<8; //解码数据的高8位
         qr_data_len |= decoded_buf[addr++]; //解码数据的低8位

         for(j=0;j < qr_data_len;j++)
               qr_data_buf[j]=decoded_buf[addr++];//获取解码数据

         USART1_Send_Data((unsigned char *)qr_type_buf, qr_type_len);//串口发送解码类型
         USART1_Send_Data((unsigned char *)":", 1);
         USART1_Send_Data((unsigned char *)qr_data_buf, qr_data_len);//串口发送解码数据
         USART1_Send_Data((unsigned char *)"\r\n", 2);
         addr =0;
      }

   }
  }
}