STM32CubeMX系列教程14:电源控制器(PWR)

/* USER CODE BEGIN Includes */
#include "stm32f7xx_lp_modes.h"
/* USER CODE END Includes */

/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
__IO uint8_t UserButtonStatus = 0;
/* USER CODE END PV */
 
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
 
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
void Error_Handler(void);
/* USER CODE END PFP */

  /* USER CODE BEGIN 2 */
  printf("\r\n********    STM32F7 LowPower Test  *******\r\n");
  /* USER CODE END 2 */
 
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
  /* USER CODE END WHILE */
 
  /* USER CODE BEGIN 3 */
    printf("Press WAKEUP button to enter LP modes \r\n\r\n");
 
    UserButtonStatus = 0;
 
    /* Wait until USER button is pressed to enter the Low Power mode */
    while(UserButtonStatus == 0x00)
    {
      /* Toggle LED1 */
      HAL_GPIO_TogglePin(LED1_GPIO_Port,LED1_Pin);
       
      /* Inserted Delay */
      HAL_Delay(200);
    }
     
    /* Loop while User button is maintained pressed */
    while(HAL_GPIO_ReadPin(WAKEUP_GPIO_Port,WAKEUP_Pin) != RESET)
    {
    }
         
    /* Turn off LED1 */
    HAL_GPIO_WritePin(LED1_GPIO_Port,LED1_Pin,GPIO_PIN_RESET);
   
#if defined (SLEEP_MODE)
    /* Sleep Mode Entry 
    - System Running at PLL (216MHz)
    - Flash 5 wait state
    - Instruction and Data caches ON
    - Prefetch ON
    - Code running from Internal FLASH
    - All peripherals disabled.
    - Wake-up using EXTI Line (USER Button)
    */
    printf("SleepMode!\r\nPress WAKE_UP button to wake up ...\r\n");
    SleepMode_Measure();
    printf("\r\nSLEEP_MODE wake up,system running continue ... \r\n");
         
#elif defined (STOP_MODE)
    /* STOP Mode Entry 
    - RTC Clocked by LSI
    - Regulator in LP mode
    - HSI, HSE OFF and LSI OFF if not used as RTC Clock source  
    - No IWDG
    - FLASH in deep power down mode
    - Automatic Wake-up using RTC clocked by LSI (after ~20s)
    */
    printf("StopMode!\r\nAutomatic Wake-up using RTC clocked by LSI (after ~20s) ...\r\n");
    StopMode_Measure();
    MX_USART1_UART_Init();
    printf("\r\nStopMode wake up ,system running continue \r\n");
         
#elif defined (STANDBY_MODE)
    /* STANDBY Mode Entry 
    - Backup SRAM and RTC OFF
    - IWDG and LSI OFF
    - Wake-up using WakeUp Pin (PI.11) 
    */
    printf("StandbyMode!\r\nPress WAKE_UP button to wake up ...\r\n");
    StandbyMode_Measure();
    printf("StandbyMode wake up ,this will  never be running ,something wrong!! \r\n");
#elif defined (STANDBY_RTC_MODE)
    /* STANDBY Mode with RTC on LSI Entry 
    - RTC Clocked by LSI
    - IWDG OFF and LSI OFF if not used as RTC Clock source
    - Backup SRAM OFF
    - Automatic Wake-up using RTC clocked by LSI (after ~20s)
    */
    printf("StandbyRTCMode!\r\nPress WAKE_UP button to wake up ...\r\n");
    StandbyRTCMode_Measure();
    printf("StandbyMode wake up ,this will  never be running ,something wrong!! \r\n");
     
#elif defined (STANDBY_BKPSRAM_MODE)
    /* STANDBY Mode Entry
    - Backup SRAM ON
    - IWDG OFF
    - Wake-up using WakeUp Pin (PI.11)
    */
    printf("StandbyBKPSRAMMode!\r\nPress WAKE_UP button to wake up ...\r\n");
    StandbyBKPSRAMMode_Measure();
    printf("StandbyBKPSRAMMode wake up ,this will  never be running ,something wrong!! \r\n");
#endif
  }
  /* USER CODE END 3 */
}