準備工程，此例程在此鏈接的基礎上添加的

https://blog.csdn.net/mygod2008ok/article/details/106978147

在工程中添加stm32f0xx_hal_flash.c,stm32f0xx_hal_flash_ex.c,

stm32f0xx_hal_pwr.c和stm32f0xx_hal_pwr_ex.c

在stm32f0xx_hal_conf.h中打開HAL_FLASH_MODULE_ENABLED和HAL_PWR_MODULE_ENABLED宏

在main.h中添加flash相關的宏


#define ADDR_FLASH_PAGE_0     ((uint32_t)0x08000000) /* Base @ of Page 0, 1 Kbyte */
#define ADDR_FLASH_PAGE_1     ((uint32_t)0x08000400) /* Base @ of Page 1, 1 Kbyte */
#define ADDR_FLASH_PAGE_2     ((uint32_t)0x08000800) /* Base @ of Page 2, 1 Kbyte */
#define ADDR_FLASH_PAGE_3     ((uint32_t)0x08000C00) /* Base @ of Page 3, 1 Kbyte */
#define ADDR_FLASH_PAGE_4     ((uint32_t)0x08001000) /* Base @ of Page 4, 1 Kbyte */
#define ADDR_FLASH_PAGE_5     ((uint32_t)0x08001400) /* Base @ of Page 5, 1 Kbyte */
#define ADDR_FLASH_PAGE_6     ((uint32_t)0x08001800) /* Base @ of Page 6, 1 Kbyte */
#define ADDR_FLASH_PAGE_7     ((uint32_t)0x08001C00) /* Base @ of Page 7, 1 Kbyte */
#define ADDR_FLASH_PAGE_8     ((uint32_t)0x08002000) /* Base @ of Page 8, 1 Kbyte */
#define ADDR_FLASH_PAGE_9     ((uint32_t)0x08002400) /* Base @ of Page 9, 1 Kbyte */
#define ADDR_FLASH_PAGE_10    ((uint32_t)0x08002800) /* Base @ of Page 10, 1 Kbyte */
#define ADDR_FLASH_PAGE_11    ((uint32_t)0x08002C00) /* Base @ of Page 11, 1 Kbyte */
#define ADDR_FLASH_PAGE_12    ((uint32_t)0x08003000) /* Base @ of Page 12, 1 Kbyte */
#define ADDR_FLASH_PAGE_13    ((uint32_t)0x08003400) /* Base @ of Page 13, 1 Kbyte */
#define ADDR_FLASH_PAGE_14    ((uint32_t)0x08003800) /* Base @ of Page 14, 1 Kbyte */
#define ADDR_FLASH_PAGE_15    ((uint32_t)0x08003C00) /* Base @ of Page 15, 1 Kbyte */
#define ADDR_FLASH_PAGE_16    ((uint32_t)0x08004000) /* Base @ of Page 16, 1 Kbyte */
#define ADDR_FLASH_PAGE_17    ((uint32_t)0x08004400) /* Base @ of Page 17, 1 Kbyte */
#define ADDR_FLASH_PAGE_18    ((uint32_t)0x08004800) /* Base @ of Page 18, 1 Kbyte */
#define ADDR_FLASH_PAGE_19    ((uint32_t)0x08004C00) /* Base @ of Page 19, 1 Kbyte */
#define ADDR_FLASH_PAGE_20    ((uint32_t)0x08005000) /* Base @ of Page 20, 1 Kbyte */
#define ADDR_FLASH_PAGE_21    ((uint32_t)0x08005400) /* Base @ of Page 21, 1 Kbyte */
#define ADDR_FLASH_PAGE_22    ((uint32_t)0x08005800) /* Base @ of Page 22, 1 Kbyte */
#define ADDR_FLASH_PAGE_23    ((uint32_t)0x08005C00) /* Base @ of Page 23, 1 Kbyte */
#define ADDR_FLASH_PAGE_24    ((uint32_t)0x08006000) /* Base @ of Page 24, 1 Kbyte */
#define ADDR_FLASH_PAGE_25    ((uint32_t)0x08006400) /* Base @ of Page 25, 1 Kbyte */
#define ADDR_FLASH_PAGE_26    ((uint32_t)0x08006800) /* Base @ of Page 26, 1 Kbyte */
#define ADDR_FLASH_PAGE_27    ((uint32_t)0x08006C00) /* Base @ of Page 27, 1 Kbyte */
#define ADDR_FLASH_PAGE_28    ((uint32_t)0x08007000) /* Base @ of Page 28, 1 Kbyte */
#define ADDR_FLASH_PAGE_29    ((uint32_t)0x08007400) /* Base @ of Page 29, 1 Kbyte */
#define ADDR_FLASH_PAGE_30    ((uint32_t)0x08007800) /* Base @ of Page 30, 1 Kbyte */
#define ADDR_FLASH_PAGE_31    ((uint32_t)0x08007C00) /* Base @ of Page 31, 1 Kbyte */
#define ADDR_FLASH_PAGE_32    ((uint32_t)0x08008000) /* Base @ of Page 32, 1 Kbyte */
#define ADDR_FLASH_PAGE_33    ((uint32_t)0x08008400) /* Base @ of Page 33, 1 Kbyte */
#define ADDR_FLASH_PAGE_34    ((uint32_t)0x08008800) /* Base @ of Page 34, 1 Kbyte */
#define ADDR_FLASH_PAGE_35    ((uint32_t)0x08008C00) /* Base @ of Page 35, 1 Kbyte */
#define ADDR_FLASH_PAGE_36    ((uint32_t)0x08009000) /* Base @ of Page 36, 1 Kbyte */
#define ADDR_FLASH_PAGE_37    ((uint32_t)0x08009400) /* Base @ of Page 37, 1 Kbyte */
#define ADDR_FLASH_PAGE_38    ((uint32_t)0x08009800) /* Base @ of Page 38, 1 Kbyte */
#define ADDR_FLASH_PAGE_39    ((uint32_t)0x08009C00) /* Base @ of Page 39, 1 Kbyte */
#define ADDR_FLASH_PAGE_40    ((uint32_t)0x0800A000) /* Base @ of Page 40, 1 Kbyte */
#define ADDR_FLASH_PAGE_41    ((uint32_t)0x0800A400) /* Base @ of Page 41, 1 Kbyte */
#define ADDR_FLASH_PAGE_42    ((uint32_t)0x0800A800) /* Base @ of Page 42, 1 Kbyte */
#define ADDR_FLASH_PAGE_43    ((uint32_t)0x0800AC00) /* Base @ of Page 43, 1 Kbyte */
#define ADDR_FLASH_PAGE_44    ((uint32_t)0x0800B000) /* Base @ of Page 44, 1 Kbyte */
#define ADDR_FLASH_PAGE_45    ((uint32_t)0x0800B400) /* Base @ of Page 45, 1 Kbyte */
#define ADDR_FLASH_PAGE_46    ((uint32_t)0x0800B800) /* Base @ of Page 46, 1 Kbyte */
#define ADDR_FLASH_PAGE_47    ((uint32_t)0x0800BC00) /* Base @ of Page 47, 1 Kbyte */
#define ADDR_FLASH_PAGE_48    ((uint32_t)0x0800C000) /* Base @ of Page 48, 1 Kbyte */
#define ADDR_FLASH_PAGE_49    ((uint32_t)0x0800C400) /* Base @ of Page 49, 1 Kbyte */
#define ADDR_FLASH_PAGE_50    ((uint32_t)0x0800C800) /* Base @ of Page 50, 1 Kbyte */
#define ADDR_FLASH_PAGE_51    ((uint32_t)0x0800CC00) /* Base @ of Page 51, 1 Kbyte */
#define ADDR_FLASH_PAGE_52    ((uint32_t)0x0800D000) /* Base @ of Page 52, 1 Kbyte */
#define ADDR_FLASH_PAGE_53    ((uint32_t)0x0800D400) /* Base @ of Page 53, 1 Kbyte */
#define ADDR_FLASH_PAGE_54    ((uint32_t)0x0800D800) /* Base @ of Page 54, 1 Kbyte */
#define ADDR_FLASH_PAGE_55    ((uint32_t)0x0800DC00) /* Base @ of Page 55, 1 Kbyte */
#define ADDR_FLASH_PAGE_56    ((uint32_t)0x0800E000) /* Base @ of Page 56, 1 Kbyte */
#define ADDR_FLASH_PAGE_57    ((uint32_t)0x0800E400) /* Base @ of Page 57, 1 Kbyte */
#define ADDR_FLASH_PAGE_58    ((uint32_t)0x0800E800) /* Base @ of Page 58, 1 Kbyte */
#define ADDR_FLASH_PAGE_59    ((uint32_t)0x0800EC00) /* Base @ of Page 59, 1 Kbyte */
#define ADDR_FLASH_PAGE_60    ((uint32_t)0x0800F000) /* Base @ of Page 60, 1 Kbyte */
#define ADDR_FLASH_PAGE_61    ((uint32_t)0x0800F400) /* Base @ of Page 61, 1 Kbyte */
#define ADDR_FLASH_PAGE_62    ((uint32_t)0x0800F800) /* Base @ of Page 62, 1 Kbyte */
#define ADDR_FLASH_PAGE_63    ((uint32_t)0x0800FC00) /* Base @ of Page 63, 1 Kbyte */
#define ADDR_FLASH_PAGE_0     ((uint32_t)0x08000000) /* Base @ of Page 0, 1 Kbyte */
#define ADDR_FLASH_PAGE_1     ((uint32_t)0x08000400) /* Base @ of Page 1, 1 Kbyte */
#define ADDR_FLASH_PAGE_2     ((uint32_t)0x08000800) /* Base @ of Page 2, 1 Kbyte */
#define ADDR_FLASH_PAGE_3     ((uint32_t)0x08000C00) /* Base @ of Page 3, 1 Kbyte */
#define ADDR_FLASH_PAGE_4     ((uint32_t)0x08001000) /* Base @ of Page 4, 1 Kbyte */
#define ADDR_FLASH_PAGE_5     ((uint32_t)0x08001400) /* Base @ of Page 5, 1 Kbyte */
#define ADDR_FLASH_PAGE_6     ((uint32_t)0x08001800) /* Base @ of Page 6, 1 Kbyte */
#define ADDR_FLASH_PAGE_7     ((uint32_t)0x08001C00) /* Base @ of Page 7, 1 Kbyte */
#define ADDR_FLASH_PAGE_8     ((uint32_t)0x08002000) /* Base @ of Page 8, 1 Kbyte */
#define ADDR_FLASH_PAGE_9     ((uint32_t)0x08002400) /* Base @ of Page 9, 1 Kbyte */
#define ADDR_FLASH_PAGE_10    ((uint32_t)0x08002800) /* Base @ of Page 10, 1 Kbyte */
#define ADDR_FLASH_PAGE_11    ((uint32_t)0x08002C00) /* Base @ of Page 11, 1 Kbyte */
#define ADDR_FLASH_PAGE_12    ((uint32_t)0x08003000) /* Base @ of Page 12, 1 Kbyte */
#define ADDR_FLASH_PAGE_13    ((uint32_t)0x08003400) /* Base @ of Page 13, 1 Kbyte */
#define ADDR_FLASH_PAGE_14    ((uint32_t)0x08003800) /* Base @ of Page 14, 1 Kbyte */
#define ADDR_FLASH_PAGE_15    ((uint32_t)0x08003C00) /* Base @ of Page 15, 1 Kbyte */
#define ADDR_FLASH_PAGE_16    ((uint32_t)0x08004000) /* Base @ of Page 16, 1 Kbyte */
#define ADDR_FLASH_PAGE_17    ((uint32_t)0x08004400) /* Base @ of Page 17, 1 Kbyte */
#define ADDR_FLASH_PAGE_18    ((uint32_t)0x08004800) /* Base @ of Page 18, 1 Kbyte */
#define ADDR_FLASH_PAGE_19    ((uint32_t)0x08004C00) /* Base @ of Page 19, 1 Kbyte */
#define ADDR_FLASH_PAGE_20    ((uint32_t)0x08005000) /* Base @ of Page 20, 1 Kbyte */
#define ADDR_FLASH_PAGE_21    ((uint32_t)0x08005400) /* Base @ of Page 21, 1 Kbyte */
#define ADDR_FLASH_PAGE_22    ((uint32_t)0x08005800) /* Base @ of Page 22, 1 Kbyte */
#define ADDR_FLASH_PAGE_23    ((uint32_t)0x08005C00) /* Base @ of Page 23, 1 Kbyte */
#define ADDR_FLASH_PAGE_24    ((uint32_t)0x08006000) /* Base @ of Page 24, 1 Kbyte */
#define ADDR_FLASH_PAGE_25    ((uint32_t)0x08006400) /* Base @ of Page 25, 1 Kbyte */
#define ADDR_FLASH_PAGE_26    ((uint32_t)0x08006800) /* Base @ of Page 26, 1 Kbyte */
#define ADDR_FLASH_PAGE_27    ((uint32_t)0x08006C00) /* Base @ of Page 27, 1 Kbyte */
#define ADDR_FLASH_PAGE_28    ((uint32_t)0x08007000) /* Base @ of Page 28, 1 Kbyte */
#define ADDR_FLASH_PAGE_29    ((uint32_t)0x08007400) /* Base @ of Page 29, 1 Kbyte */
#define ADDR_FLASH_PAGE_30    ((uint32_t)0x08007800) /* Base @ of Page 30, 1 Kbyte */
#define ADDR_FLASH_PAGE_31    ((uint32_t)0x08007C00) /* Base @ of Page 31, 1 Kbyte */
#define ADDR_FLASH_PAGE_32    ((uint32_t)0x08008000) /* Base @ of Page 32, 1 Kbyte */
#define ADDR_FLASH_PAGE_33    ((uint32_t)0x08008400) /* Base @ of Page 33, 1 Kbyte */
#define ADDR_FLASH_PAGE_34    ((uint32_t)0x08008800) /* Base @ of Page 34, 1 Kbyte */
#define ADDR_FLASH_PAGE_35    ((uint32_t)0x08008C00) /* Base @ of Page 35, 1 Kbyte */
#define ADDR_FLASH_PAGE_36    ((uint32_t)0x08009000) /* Base @ of Page 36, 1 Kbyte */
#define ADDR_FLASH_PAGE_37    ((uint32_t)0x08009400) /* Base @ of Page 37, 1 Kbyte */
#define ADDR_FLASH_PAGE_38    ((uint32_t)0x08009800) /* Base @ of Page 38, 1 Kbyte */
#define ADDR_FLASH_PAGE_39    ((uint32_t)0x08009C00) /* Base @ of Page 39, 1 Kbyte */
#define ADDR_FLASH_PAGE_40    ((uint32_t)0x0800A000) /* Base @ of Page 40, 1 Kbyte */
#define ADDR_FLASH_PAGE_41    ((uint32_t)0x0800A400) /* Base @ of Page 41, 1 Kbyte */
#define ADDR_FLASH_PAGE_42    ((uint32_t)0x0800A800) /* Base @ of Page 42, 1 Kbyte */
#define ADDR_FLASH_PAGE_43    ((uint32_t)0x0800AC00) /* Base @ of Page 43, 1 Kbyte */
#define ADDR_FLASH_PAGE_44    ((uint32_t)0x0800B000) /* Base @ of Page 44, 1 Kbyte */
#define ADDR_FLASH_PAGE_45    ((uint32_t)0x0800B400) /* Base @ of Page 45, 1 Kbyte */
#define ADDR_FLASH_PAGE_46    ((uint32_t)0x0800B800) /* Base @ of Page 46, 1 Kbyte */
#define ADDR_FLASH_PAGE_47    ((uint32_t)0x0800BC00) /* Base @ of Page 47, 1 Kbyte */
#define ADDR_FLASH_PAGE_48    ((uint32_t)0x0800C000) /* Base @ of Page 48, 1 Kbyte */
#define ADDR_FLASH_PAGE_49    ((uint32_t)0x0800C400) /* Base @ of Page 49, 1 Kbyte */
#define ADDR_FLASH_PAGE_50    ((uint32_t)0x0800C800) /* Base @ of Page 50, 1 Kbyte */
#define ADDR_FLASH_PAGE_51    ((uint32_t)0x0800CC00) /* Base @ of Page 51, 1 Kbyte */
#define ADDR_FLASH_PAGE_52    ((uint32_t)0x0800D000) /* Base @ of Page 52, 1 Kbyte */
#define ADDR_FLASH_PAGE_53    ((uint32_t)0x0800D400) /* Base @ of Page 53, 1 Kbyte */
#define ADDR_FLASH_PAGE_54    ((uint32_t)0x0800D800) /* Base @ of Page 54, 1 Kbyte */
#define ADDR_FLASH_PAGE_55    ((uint32_t)0x0800DC00) /* Base @ of Page 55, 1 Kbyte */
#define ADDR_FLASH_PAGE_56    ((uint32_t)0x0800E000) /* Base @ of Page 56, 1 Kbyte */
#define ADDR_FLASH_PAGE_57    ((uint32_t)0x0800E400) /* Base @ of Page 57, 1 Kbyte */
#define ADDR_FLASH_PAGE_58    ((uint32_t)0x0800E800) /* Base @ of Page 58, 1 Kbyte */
#define ADDR_FLASH_PAGE_59    ((uint32_t)0x0800EC00) /* Base @ of Page 59, 1 Kbyte */
#define ADDR_FLASH_PAGE_60    ((uint32_t)0x0800F000) /* Base @ of Page 60, 1 Kbyte */
#define ADDR_FLASH_PAGE_61    ((uint32_t)0x0800F400) /* Base @ of Page 61, 1 Kbyte */
#define ADDR_FLASH_PAGE_62    ((uint32_t)0x0800F800) /* Base @ of Page 62, 1 Kbyte */
#define ADDR_FLASH_PAGE_63    ((uint32_t)0x0800FC00) /* Base @ of Page 63, 1 Kbyte */


#define FLASH_USER_START_ADDR   ADDR_FLASH_PAGE_63   /* Start @ of user Flash area */
#define FLASH_USER_END_ADDR     ADDR_FLASH_PAGE_63 + FLASH_PAGE_SIZE   /* End @ of user Flash area */

#define FLASH_MAIN_FW_START_ADDR 0x8003000

#define STOP_FLAG_VALUE 0xaa5533bb

添加2個寫flash操數


uint32_t Address = 0;
static FLASH_EraseInitTypeDef EraseInitStruct;
/**
* @brief 寫入stop模式標誌
*/

void write_stop_mode_flag(void)
{
	 HAL_FLASH_Unlock();
	
	EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
  EraseInitStruct.PageAddress = FLASH_USER_START_ADDR;
  EraseInitStruct.NbPages = (FLASH_USER_END_ADDR - FLASH_USER_START_ADDR) / FLASH_PAGE_SIZE;
  uint32_t PageError;
  HAL_StatusTypeDef err_code = HAL_FLASHEx_Erase(&EraseInitStruct, &PageError);
	APP_ERROR_CHECK(err_code);
	
	 Address = FLASH_USER_START_ADDR+8;

    uint32_t content = STOP_FLAG_VALUE;
    err_code = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, content);
    APP_ERROR_CHECK(err_code);
    Address += 4;
	
  /* Lock the Flash to disable the flash control register access (recommended
     to protect the FLASH memory against possible unwanted operation) *********/
    HAL_FLASH_Lock();
		
	  delay_ms(100);
		NVIC_SystemReset();
	
}



/**
* @brief 寫入版本
*/
void write_version_to_flash(uint8_t *dfu_version)
{
	HAL_FLASH_Unlock();
	EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
  EraseInitStruct.PageAddress = FLASH_USER_START_ADDR;
  EraseInitStruct.NbPages = (FLASH_USER_END_ADDR - FLASH_USER_START_ADDR) / FLASH_PAGE_SIZE;
  uint32_t PageError;
  HAL_StatusTypeDef err_code = HAL_FLASHEx_Erase(&EraseInitStruct, &PageError);
	APP_ERROR_CHECK(err_code);
	
	 Address = FLASH_USER_START_ADDR;

	  uint8_t version_buf[] = FIRMWARE_VERSION_DEF;
    uint32_t content = *(uint32_t*)version_buf;
    err_code = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, content);
    APP_ERROR_CHECK(err_code);
    Address += 4;
	
	  if(dfu_version)
			content = *(uint32_t*)dfu_version;
		else
			content = U32_MAX_VALUE;
	  err_code = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, Address, content);
    APP_ERROR_CHECK(err_code);
  

  /* Lock the Flash to disable the flash control register access (recommended
     to protect the FLASH memory against possible unwanted operation) *********/
  HAL_FLASH_Lock();
		
}

版本名稱在sdk_config.h中定義

在main.c中添加進入stop模式函數，喚醒後復位


void enter_ship_mode(void)
{
	
 
	BSP_adc_deinit();

  GPIO_InitTypeDef GPIO_InitStruct;
  
	
  /* -2- Configure IOs in output push-pull mode to drive external LEDs */
  
	
  /* Configure all GPIO as analog to reduce current consumption on non used IOs */
  /* Warning : Reconfiguring all GPIO will close the connexion with the debugger */
  /* Enable GPIOs clock */

  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();
  
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Pin = GPIO_PIN_All;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
	
  /* Disable GPIOs clock */
  __HAL_RCC_GPIOA_CLK_DISABLE();
  __HAL_RCC_GPIOB_CLK_DISABLE();
  __HAL_RCC_GPIOC_CLK_DISABLE();
  __HAL_RCC_GPIOF_CLK_DISABLE();

  
	
	__HAL_RCC_GPIOA_CLK_ENABLE();
	
	GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
	GPIO_InitStruct.Pull = GPIO_PULLUP;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.Pin = GPIO_PIN_11;
	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  HAL_NVIC_SetPriority(EXTI4_15_IRQn,2, 0);
  HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);
    /* Configure User Button */
  
  /* Enter Stop Mode */
  HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);

 
  
  NVIC_SystemReset();

  
}

在key_event_handler函數寫入進入stop模式標誌


/**
* @brief 按鍵功能處理
*   分配ID及獲取歷史數據按鍵功能響應處理
* @param [in] E_KEY_VALUE 按鍵鍵值
* @retval 
* - None
*/
static void key_event_handler(E_KEY_VALUE keyValue)
{
	
	
	switch(keyValue)
	{
		case UP_KEY_SHORT:
			NRF_LOG_INFO("UP_KEY_SHORT=%x",keyValue);
			break;
		case DOWN_KEY_SHORT:
			NRF_LOG_INFO("DOWN_KEY_SHORT=%x",keyValue);
			break;
		case UP_DOWN_KEY_SHORT:
			NRF_LOG_INFO("UP_DOWN_KEY_SHORT=%x",keyValue);
			break;
		
		case UP_KEY_OFF:      
			
			  NRF_LOG_INFO("UP_KEY_OFF=%x",keyValue);
				break;
		case DOWN_KEY_OFF: 
			   NRF_LOG_INFO("DOWN_KEY_OFF=%x",keyValue);
				
			break;
		case UP_DOWN_KEY_OFF:
			 NRF_LOG_INFO("UP_DOWN_KEY_OFF=%x",keyValue);
			break;
	
	 case UP_KEY_LONG:    //此事件未調用阻止長按鍵，此事件會不停觸發，直到按鍵鬆開
		 NRF_LOG_INFO("UP_KEY_LONG=%x",keyValue);
	   write_stop_mode_flag();
		 break;
	 case UP_KEY_LONG_OFF:
		 NRF_LOG_INFO("UP_KEY_LONG_OFF=%x",keyValue);
		 break;
	 case DOWN_KEY_LONG:
		   NRF_LOG_INFO("DOWN_KEY_LONG=%x",keyValue);
			 DisLongKeyContinueResponse();  //阻止長按鍵，僅觸發一次
			break;
	 case DOWN_KEY_LONG_OFF:
		  NRF_LOG_INFO("DOWN_KEY_LONG_OFF=%x",keyValue);
		 break;
	 case UP_DOWN_KEY_LONG:
		NRF_LOG_INFO("UP_DOWN_KEY_LONG=%x",keyValue);
		 DisLongKeyContinueResponse();  //阻止長按鍵，僅觸發一次
		 break;
	 case UP_DOWN_KEY_LONG_OFF:
		 NRF_LOG_INFO("UP_DOWN_KEY_LONG_OFF=%x",keyValue);
		 break;
	 case UP_DOUBLE_CLICK:
		 NRF_LOG_INFO("UP_DOUBLE_CLICK=%x",keyValue);
		 break;
	 case DOWN_DOUBLE_CLICK:
		 NRF_LOG_INFO("DOWN_DOUBLE_CLICK=%x",keyValue);
		 break;
	 case UP_DOWN_DOUBLE_CLICK:
		 NRF_LOG_INFO("UP_DOWN_DOUBLE_CLICK=%x",keyValue);
		 break;
		default:
			break;
	}
	
}

在stm32f0xx_it.c的EXTI4_15_IRQHandler函數清除中斷標誌

/**
  * @brief  This function handles external line 4_15 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI4_15_IRQHandler(void)
{
	uint32_t it_status = EXTI->PR & (GPIO_PIN_11);
	if(it_status != RESET)
	{
		HAL_GPIO_EXTI_Callback(it_status);
		EXTI->PR = it_status;
	
	}

}

在main函數中的RTC和IWDG初時化前檢查stop模式標誌


/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
	RTT_INIT();
  HAL_Init();
  SystemClock_Config();
 
	BSP_adc_init();
	

   
	delay_init();
  
	//--------初時化串口------------------------------------
  
   BSP_uart_init();
	
	
	
	 BSP_start_adc_count(8);
	
	start_buzzer_beep_sound();
	
	 //-------------按鍵初時化-------------------------------		
	key_init(key_event_handler);
	reply_stm32_version();	
	
	
  Address = FLASH_USER_START_ADDR;
 
  
	__IO uint32_t stop_flag   =  *(__IO uint32_t *)(Address+8);
	
	
	__IO uint32_t version_flag =  *(__IO uint32_t *)Address;
  if(version_flag == U32_MAX_VALUE)
	{
		write_version_to_flash(NULL);
		enter_stm32_dfu = 0;
	}
	
	if(stop_flag == STOP_FLAG_VALUE)
	{
		enter_ship_mode();
	}
	 NRF_LOG_INFO("version_flag=%x",version_flag);
		
	 BSP_wdt_init(IWDG_OVER_TIME);
	 MX_RTC_Init();
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
		if(s_wakeup_flag)  //任務處理模式
		{
			BSP_wdt_feed();
			tick_25hz_handler();
			tick_1hz_handler();
			uart_data_handler();
		}
		else  // 省電模式
		{
			HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
		}
    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

運行程序長按UP鍵產生UP_KEY_LONG事件，執行write_stop_mode_flag標誌後復位，重新進入主程序會檢查stop標誌，如果

其讀出的flash值是0xaa5533bb，說明需要進入stop模式

#define STOP_FLAG_VALUE 0xaa5533bb

ＤＥＭＯ下載地址

https://download.csdn.net/download/mygod2008ok/12556269

STM32F030R8Tx HAL庫使用flash和stop模式

準備工程，此例程在此鏈接的基礎上添加的

在工程中添加stm32f0xx_hal_flash.c,stm32f0xx_hal_flash_ex.c,

stm32f0xx_hal_pwr.c和stm32f0xx_hal_pwr_ex.c

在stm32f0xx_hal_conf.h中打開HAL_FLASH_MODULE_ENABLED和HAL_PWR_MODULE_ENABLED宏

在main.h中添加flash相關的宏

添加2個寫flash操數

版本名稱在sdk_config.h中定義

在main.c中添加進入stop模式函數，喚醒後復位

在key_event_handler函數寫入進入stop模式標誌

在stm32f0xx_it.c的EXTI4_15_IRQHandler函數清除中斷標誌

在main函數中的RTC和IWDG初時化前檢查stop模式標誌

ＤＥＭＯ下載地址

https://download.csdn.net/download/mygod2008ok/12556269

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STM32F030R8Tx HAL SPI（驅動12864屏）

STM32F030R8Tx HAL庫使用flash和stop模式

STM32F030R8Tx自定義協議實現串口升級詳解

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