mirror of
https://github.com/STMicroelectronics/STM32CubeF0.git
synced 2025-05-07 19:29:11 +08:00
276 lines
7.6 KiB
C
276 lines
7.6 KiB
C
/**
|
|
******************************************************************************
|
|
* @file PWR/PWR_CurrentConsumption/Src/main.c
|
|
* @author MCD Application Team
|
|
* @brief This sample code shows how to use STM32F0xx PWR HAL API to enter
|
|
* and exit the sleep/stop/standby modes, to measure power consumption
|
|
* in these different low power modes.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
|
|
* All rights reserved.</center></h2>
|
|
*
|
|
* This software component is licensed by ST under BSD 3-Clause license,
|
|
* the "License"; You may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at:
|
|
* opensource.org/licenses/BSD-3-Clause
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "main.h"
|
|
|
|
/** @addtogroup STM32F0xx_HAL_Examples
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup PWR_CurrentConsumption
|
|
* @{
|
|
*/
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
__IO uint32_t UserButtonStatus = 0; /* set to 1 after User Button interrupt */
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
|
|
/* Private functions ---------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Main program
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
int main(void)
|
|
{
|
|
/* STM32F0xx HAL library initialization:
|
|
- Configure the Flash prefetch
|
|
- Configure the Systick to generate an interrupt each 1 msec
|
|
- Low Level Initialization
|
|
*/
|
|
HAL_Init();
|
|
|
|
/* Configure LED */
|
|
BSP_LED_Init(LED2);
|
|
|
|
/* Configure the system clock to 48 MHz */
|
|
SystemClock_Config();
|
|
|
|
/* Enable Power Clock */
|
|
__HAL_RCC_PWR_CLK_ENABLE();
|
|
|
|
/* Check and handle if the system was resumed from StandBy mode */
|
|
if (__HAL_PWR_GET_FLAG(PWR_FLAG_SB) != RESET)
|
|
{
|
|
__HAL_PWR_CLEAR_FLAG(PWR_FLAG_SB);
|
|
|
|
/* Turn on the LED2 and keep
|
|
it on for 2 sec. to indicate
|
|
exit from stand-by mode */
|
|
BSP_LED_On(LED2);
|
|
HAL_Delay(2000);
|
|
|
|
}
|
|
|
|
/* Infinite loop */
|
|
while(1)
|
|
{
|
|
|
|
/* Configure User push-button */
|
|
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_EXTI);
|
|
UserButtonStatus = 0;
|
|
|
|
/* Wait until User push-button is pressed to enter the Low Power mode.
|
|
In the meantime, LED2 is blinking */
|
|
while (UserButtonStatus == 0)
|
|
{
|
|
/* Toggle LED2 */
|
|
BSP_LED_Toggle(LED2);
|
|
HAL_Delay(100);
|
|
}
|
|
|
|
/* Loop while User push-button is maintained pressed */
|
|
while(BSP_PB_GetState(BUTTON_USER) != SET){}
|
|
|
|
/* Make sure LED2 is turned off to
|
|
reduce low power mode consumption */
|
|
BSP_LED_Off(LED2);
|
|
|
|
#if defined (SLEEP_MODE)
|
|
/* Sleep Mode Entry
|
|
- System Running at PLL (48 MHz)
|
|
- Flash 1 wait state
|
|
- Instruction and Data caches ON
|
|
- Prefetch ON
|
|
- Code running from Internal FLASH
|
|
- All peripherals disabled.
|
|
- Wakeup using EXTI Line (User push-button PC.13)
|
|
*/
|
|
SleepMode_Measure();
|
|
#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
|
|
- Wakeup using EXTI Line (User push-button PC.13)
|
|
*/
|
|
StopMode_Measure();
|
|
#elif defined (STOP_RTC_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
|
|
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
|
|
*/
|
|
StopRTCMode_Measure();
|
|
#elif defined (STANDBY_MODE)
|
|
/* STANDBY Mode Entry
|
|
- RTC OFF
|
|
- IWDG and LSI OFF
|
|
- Wakeup using WakeUp Pin (wire Vdd to PA.00)
|
|
*/
|
|
StandbyMode_Measure();
|
|
#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
|
|
- Automatic Wakeup using RTC clocked by LSI (after ~20s)
|
|
*/
|
|
StandbyRTCMode_Measure();
|
|
#endif /* SLEEP_MODE */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* The system Clock is configured as follow :
|
|
* System Clock source = PLL (HSI48)
|
|
* SYSCLK(Hz) = 48000000
|
|
* HCLK(Hz) = 48000000
|
|
* AHB Prescaler = 1
|
|
* APB1 Prescaler = 1
|
|
* HSI Frequency(Hz) = 48000000
|
|
* PREDIV = 2
|
|
* PLLMUL = 2
|
|
* Flash Latency(WS) = 1
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
|
|
/* Select HSI48 Oscillator as PLL source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
|
|
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI48;
|
|
RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL2;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct)!= HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/* Select PLL as system clock source and configure the HCLK and PCLK1 clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1);
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1)!= HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void)
|
|
{
|
|
while(1)
|
|
{
|
|
/* Error if LED2 is slowly blinking (1 sec. period) */
|
|
BSP_LED_On(LED2);
|
|
HAL_Delay(1000);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief SYSTICK callback
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void HAL_SYSTICK_Callback(void)
|
|
{
|
|
HAL_IncTick();
|
|
}
|
|
|
|
/**
|
|
* @brief Wake Up Timer callback
|
|
* @param hrtc : hrtc handle
|
|
* @retval None
|
|
*/
|
|
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
|
|
{
|
|
/* NOTE : add the specific code to handle the RTC wake up interrupt */
|
|
|
|
/* Initialize LED */
|
|
BSP_LED_Init(LED2);
|
|
/* On The LED */
|
|
BSP_LED_On(LED2);
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief EXTI line detection callbacks
|
|
* @param GPIO_Pin: Specifies the pins connected EXTI line
|
|
* @retval None
|
|
*/
|
|
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
|
|
{
|
|
if (GPIO_Pin == USER_BUTTON_PIN)
|
|
{
|
|
UserButtonStatus = 1;
|
|
}
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
|
|
/* Infinite loop */
|
|
while (1)
|
|
{
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|