标题: STM32F4XX OV9655摄像头驱动程序 [打印本页]
作者: samhong    时间: 2017-4-19 10:59
标题: STM32F4XX OV9655摄像头驱动程序
使用ov9655摄像头，拍摄图象。


全部源码下载：
STM32F4XX OV9655摄像头程序.zip (540.44 KB, 下载次数: 20)




部分源码预览：
  1. /**
  2.   ******************************************************************************
  3.   * @file    main.c
  4.   * @author  MCD Application Team
  5.   * @version V1.0.0
  6.   * @brief   Main program body
  7.   ******************************************************************************
  8.   * @attention
  9.   *
  10.   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  11.   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  12.   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  13.   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  14.   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  15.   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  16.   *
  17.   ******************************************************************************  
  18.   */

  20. /* Includes ------------------------------------------------------------------*/
  21. #include "stm32f4xx.h"
  22. #include "usart.h"
  23. #include "LCD/LCD.h"
  24. #include "camera/dcmi_OV9655.h"

  26. /** @addtogroup STM32F2xx_StdPeriph_Examples
  27.   * @{
  28.   */

  30. /** @addtogroup IOToggle
  31.   * @{
  32.   */
  33. void LCD_CS_ResetBits(void);
  34. void Delay(__IO uint32_t nTime);
  35. void TimingDelay_Decrement(void);
  36. static __IO uint32_t TimingDelay;

  38. uint32_t        fps=0;
  39. uint32_t        disfps=0;
  40. uint32_t        fpsbuff[5];
  41. /**
  42.   * @brief  Main program
  43.   * @param  None
  44.   * @retval None
  45.   */
  46. int main(void)
  47. {       
  48.         OV9655_IDTypeDef OV9655ID;
  49.   /*!< At this stage the microcontroller clock setting is already configured,
  50.        this is done through SystemInit() function which is called from startup
  51.        file (startup_stm32f2xx.s) before to branch to application main.
  52.        To reconfigure the default setting of SystemInit() function, refer to
  53.         system_stm32f2xx.c file
  54.      */

  56.         USART_Configuration();
  57.         //USART_NVIC_Config();

  59.         LCD_Initializtion();
  60.         LCD_Clear(Red);
  61.         GUI_Text(50,70,"Camera Init..",White,Red);

  63.         printf("\r\n\r\nWelcome to WaveShare STM32F2 series MCU Board Open207I\r\n");
  64.         printf("OV9655 Init..\r\n");
  65.         if(DCMI_OV9655Config()==0){
  66.                 printf("Camera Have Init..\r\n");
  67.                 GUI_Text(50,90,"Camera Have Init..",White,Red);
  68.                 }
  69.         else {
  70.                 printf("OV9655 Init fails!!\r\n");
  71.                 GUI_Text(50,90,"OV9655 Init fails!!",White,Red);
  72.                 }

  74.         DCMI_OV9655_ReadID(&OV9655ID);
  75.         printf("OV9655 ID:0x%x 0x%x 0x%x 0x%x\r\n",OV9655ID.Manufacturer_ID1, OV9655ID.Manufacturer_ID2, OV9655ID.PID, OV9655ID.Version);
  76.        
  77.                        
  78.         LCD_WriteReg(0x0011,0x6068);
  79.         LCD_SetCursor(0,0);
  80.         Prepare_Write_RAM();

  82.         /* Start Image capture and Display on the LCD *****************************/
  83.     /* Enable DMA transfer */
  84.     DMA_Cmd(DMA2_Stream1, ENABLE);

  86.     /* Enable DCMI interface */
  87.     DCMI_Cmd(ENABLE);

  89.     /* Start Image capture */
  90.     DCMI_CaptureCmd(ENABLE);
  91.           
  92.         //DCMI_SingleRandomWrite(OV9655_DEVICE_WRITE_ADDRESS,0x8d, 0x10); //color test        on
  93.         //DCMI_SingleRandomWrite(OV9655_DEVICE_WRITE_ADDRESS,0x0c, 0x80); //color test        on
  94.         //uint32_t i=0x1fffff;
  95. //        while(i--);
  96.         //DCMI_SingleRandomWrite(OV9655_DEVICE_WRITE_ADDRESS,0x8d, 0x00); //color test off
  97.         //DCMI_SingleRandomWrite(OV9655_DEVICE_WRITE_ADDRESS,0x0c, 0x00); //color test off                                       
  98.         while (1)
  99.         {
  100.         }
  101. }

  103. void Delay(__IO uint32_t nTime)
  104. {
  105.   TimingDelay = nTime;

  107.   while(TimingDelay != 0)
  108.   {}
  109. }

  111. void TimingDelay_Decrement(void)
  112. {
  113.   if (TimingDelay != 0x00)
  114.   {
  115.     TimingDelay--;
  116.   }
  117. }

  119. void LCD_CS_ResetBits(void)
  120. {
  121.         GPIO_InitTypeDef  GPIO_InitStructure;
  122.     RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);

  124.         //LCD_CS PD7

  126.     GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
  127.         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  128.         GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  129.         GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  130.         GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  131.         GPIO_Init(GPIOD, &GPIO_InitStructure);       


  134.         GPIO_ResetBits(GPIOD , GPIO_Pin_7);                 //CS=0;
  135. }


  138. #ifdef  USE_FULL_ASSERT

  140. /**
  141.   * @brief  Reports the name of the source file and the source line number
  142.   *         where the assert_param error has occurred.
  143.   * @param  file: pointer to the source file name
  144.   * @param  line: assert_param error line source number
  145.   * @retval None
  146.   */
  147. void assert_failed(uint8_t* file, uint32_t line)
  148. {
  149.   /* User can add his own implementation to report the file name and line number,
  150.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  152.   /* Infinite loop */
  153.   while (1)
  154.   {

  156.   }
  157. }
  158. #endif

  160. /**
  161.   * @}
  162.   */

  164. /**
  165.   * @}
  166.   */

  168. /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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