标题: STM32F4xx官方IAP源码 [打印本页]
作者: rest665    时间: 2019-10-11 20:07
标题: STM32F4xx官方IAP源码
STM32F4xx官方IAP源码

单片机源程序如下:
  1. /* Includes ------------------------------------------------------------------*/
  2. #include "menu.h"
  3. #include "stm324xg_eval.h"

  5. /* Private typedef -----------------------------------------------------------*/
  6. /* Private define ------------------------------------------------------------*/
  7. /* Private macro -------------------------------------------------------------*/
  8. /* Private variables ---------------------------------------------------------*/
  9. extern pFunction Jump_To_Application;
  10. extern uint32_t JumpAddress;

  12. /* Private function prototypes -----------------------------------------------*/
  13. static void IAP_Init(void);

  15. /* Private functions ---------------------------------------------------------*/

  17. /**
  18.   * @brief  Main program.
  19.   * @param  None
  20.   * @retval None
  21.   */
  22. int main(void)
  23. {
  24.   /* Unlock the Flash Program Erase controller */
  25.   FLASH_If_Init();

  27.   /* Initialize Key Button mounted on STM324xG-EVAL board */
  28.   STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);

  30.   /* Test if Key push-button on STM324xG-EVAL Board is pressed */
  31.   if (STM_EVAL_PBGetState(BUTTON_KEY) == 0x00)
  32.   {
  33.     /* Execute the IAP driver in order to reprogram the Flash */
  34.     IAP_Init();
  35.     /* Display main menu */
  36.     Main_Menu ();
  37.   }
  38.   /* Keep the user application running */
  39.   else
  40.   {
  41.     /* Test if user code is programmed starting from address "APPLICATION_ADDRESS" */
  42.     if (((*(__IO uint32_t*)APPLICATION_ADDRESS) & 0x2FFE0000 ) == 0x20000000)
  43.     {
  44.       /* Jump to user application */
  45.       JumpAddress = *(__IO uint32_t*) (APPLICATION_ADDRESS + 4);
  46.       Jump_To_Application = (pFunction) JumpAddress;
  47.       /* Initialize user application's Stack Pointer */
  48.       __set_MSP(*(__IO uint32_t*) APPLICATION_ADDRESS);
  49.       Jump_To_Application();
  50.     }
  51.   }

  53.   while (1)
  54.   {}
  55. }

  57. /**
  58.   * @brief  Initialize the IAP: Configure USART.
  59.   * @param  None
  60.   * @retval None
  61.   */
  62. void IAP_Init(void)
  63. {
  64. USART_InitTypeDef USART_InitStructure;

  66.   /* USART resources configuration (Clock, GPIO pins and USART registers) ----*/
  67.   /* USART configured as follow:
  68.         - BaudRate = 115200 baud  
  69.         - Word Length = 8 Bits
  70.         - One Stop Bit
  71.         - No parity
  72.         - Hardware flow control disabled (RTS and CTS signals)
  73.         - Receive and transmit enabled
  74.   */
  75.   USART_InitStructure.USART_BaudRate = 115200;
  76.   USART_InitStructure.USART_WordLength = USART_WordLength_8b;
  77.   USART_InitStructure.USART_StopBits = USART_StopBits_1;
  78.   USART_InitStructure.USART_Parity = USART_Parity_No;
  79.   USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
  80.   USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

  82.   STM_EVAL_COMInit(COM1, &USART_InitStructure);
  83. }

  85. #ifdef USE_FULL_ASSERT
  86. /**
  87.   * @brief  Reports the name of the source file and the source line number
  88.   *         where the assert_param error has occurred.
  89.   * @param  file: pointer to the source file name
  90.   * @param  line: assert_param error line source number
  91.   * @retval None
  92.   */
  93. void assert_failed(uint8_t* file, uint32_t line)
  94. {
  95.   /* User can add his own implementation to report the file name and line number,
  96.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  98.   /* Infinite loop */
  99.   while (1)
  100.   {
  101.   }
  102. }
  103. #endif

  105. /**
  106.   * @}
  107.   */

  109. /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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所有资料51hei提供下载:
STM32F4xx_AN3965_V1.0.0.7z (1.07 MB, 下载次数: 60)


作者: middin    时间: 2020-7-2 15:17
这个实例是在官方哪儿下载的
作者: qingyemurong    时间: 2020-9-11 15:00
middin 发表于 2020-7-2 15:17
这个实例是在官方哪儿下载的

https://www.st.com/content/st_co ... =IAP-t=tools-page=1




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