/** * @brief Configure all GPIO's to AN to reduce the power consumption * @param None * @retval None */ static void GPIO_ConfigAN(void) { GPIO_InitTypeDef GPIO_InitStruct; /* Configure all GPIO as analog to reduce current consumption on non used IOs */ /* Enable GPIOs clock */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; 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(GPIOD, &GPIO_InitStruct); HAL_GPIO_Init(GPIOE, &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_GPIOD_CLK_DISABLE(); __HAL_RCC_GPIOE_CLK_DISABLE(); __HAL_RCC_GPIOF_CLK_DISABLE(); }
/** * @brief This function configures the system to enter Sleep mode for * current consumption measurement purpose. * Sleep Mode * ========== * - System Running at PLL (168MHz) * - Flash 5 wait state * - Instruction and Data caches ON * - Prefetch ON * - Code running from Internal FLASH * - All peripherals disabled. * - Wakeup using EXTI Line (Key Button) * @param None * @retval None */ void SleepMode_Measure(void) { GPIO_InitTypeDef GPIO_InitStruct; /* Configure all GPIO as analog to reduce current consumption on non used IOs */ /* Enable GPIOs clock */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Pin = GPIO_PIN_All; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* Disable GPIOs clock */ __HAL_RCC_GPIOA_CLK_DISABLE(); __HAL_RCC_GPIOB_CLK_DISABLE(); __HAL_RCC_GPIOC_CLK_DISABLE(); __HAL_RCC_GPIOD_CLK_DISABLE(); __HAL_RCC_GPIOE_CLK_DISABLE(); __HAL_RCC_GPIOH_CLK_DISABLE(); /* Configure Key Button */ BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI); /* Suspend Tick increment to prevent wakeup by Systick interrupt. Otherwise the Systick interrupt will wake up the device within 1ms (HAL time base) */ HAL_SuspendTick(); /* Request to enter SLEEP mode */ HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); /* Resume Tick interrupt if disabled prior to sleep mode entry */ HAL_ResumeTick(); /* Initialize LED6 */ BSP_LED_Init(LED6); /* Turn LED6 On */ BSP_LED_On(LED6); /* Inserted Delay */ HAL_Delay(200); }
void MX_GPIO_Deinit(void) { GPIO_InitTypeDef GPIO_InitStruct; /* Configure all GPIO as analog to reduce current consumption on non used IOs */ /* Enable GPIOs clock */ /* Warning : Reconfiguring all GPIO will close the connection with the debugger */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; 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(GPIOD, &GPIO_InitStruct); HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); /* Disable GPIOs clock */ __HAL_RCC_GPIOA_CLK_DISABLE(); __HAL_RCC_GPIOB_CLK_DISABLE(); __HAL_RCC_GPIOC_CLK_DISABLE(); __HAL_RCC_GPIOD_CLK_DISABLE(); __HAL_RCC_GPIOE_CLK_DISABLE(); __HAL_RCC_GPIOF_CLK_DISABLE(); __HAL_RCC_GPIOG_CLK_DISABLE(); __HAL_RCC_GPIOH_CLK_DISABLE(); }
/** * @brief System Power Configuration * @retval None */ static void SystemPower_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /* Set all GPIO in analog state to reduce power consumption */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); GPIO_InitStructure.Mode = GPIO_MODE_ANALOG; GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH; GPIO_InitStructure.Pull = GPIO_NOPULL; GPIO_InitStructure.Pin = GPIO_PIN_All; HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); HAL_GPIO_Init(GPIOB, &GPIO_InitStructure); HAL_GPIO_Init(GPIOC, &GPIO_InitStructure); HAL_GPIO_Init(GPIOD, &GPIO_InitStructure); HAL_GPIO_Init(GPIOE, &GPIO_InitStructure); HAL_GPIO_Init(GPIOF, &GPIO_InitStructure); HAL_GPIO_Init(GPIOG, &GPIO_InitStructure); HAL_GPIO_Init(GPIOH, &GPIO_InitStructure); __HAL_RCC_GPIOA_CLK_DISABLE(); __HAL_RCC_GPIOB_CLK_DISABLE(); __HAL_RCC_GPIOC_CLK_DISABLE(); __HAL_RCC_GPIOD_CLK_DISABLE(); __HAL_RCC_GPIOE_CLK_DISABLE(); __HAL_RCC_GPIOF_CLK_DISABLE(); __HAL_RCC_GPIOG_CLK_DISABLE(); __HAL_RCC_GPIOH_CLK_DISABLE(); }
/** * @brief This function configures the system to enter Stop mode with RTC * clocked by LSE or LSI for current consumption measurement purpose. * STOP Mode with RTC clocked by LSE/LSI * ===================================== * - RTC Clocked by LSE or 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 Wakeup using RTC clocked by LSE/LSI (~20s) * @param None * @retval None */ void StopMode_Measure(void) { GPIO_InitTypeDef GPIO_InitStruct; /* Configure all GPIO as analog to reduce current consumption on non used IOs */ /* Enable GPIOs clock */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOI_CLK_ENABLE(); GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Pin = GPIO_PIN_All; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); HAL_GPIO_Init(GPIOF, &GPIO_InitStruct); HAL_GPIO_Init(GPIOG, &GPIO_InitStruct); HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); HAL_GPIO_Init(GPIOI, &GPIO_InitStruct); HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* Disable GPIOs clock */ __HAL_RCC_GPIOA_CLK_DISABLE(); __HAL_RCC_GPIOB_CLK_DISABLE(); __HAL_RCC_GPIOC_CLK_DISABLE(); __HAL_RCC_GPIOD_CLK_DISABLE(); __HAL_RCC_GPIOE_CLK_DISABLE(); __HAL_RCC_GPIOF_CLK_DISABLE(); __HAL_RCC_GPIOG_CLK_DISABLE(); __HAL_RCC_GPIOH_CLK_DISABLE(); __HAL_RCC_GPIOI_CLK_DISABLE(); RTCHandle.Instance = RTC; /* Configure RTC prescaler and RTC data registers as follow: - Hour Format = Format 24 - Asynch Prediv = Value according to source clock - Synch Prediv = Value according to source clock - OutPut = Output Disable - OutPutPolarity = High Polarity - OutPutType = Open Drain */ RTCHandle.Init.HourFormat = RTC_HOURFORMAT_24; RTCHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV; RTCHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV; RTCHandle.Init.OutPut = RTC_OUTPUT_DISABLE; RTCHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; RTCHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; if(HAL_RTC_Init(&RTCHandle) != HAL_OK) { /* Initialization Error */ Error_Handler(); } /*## Configure the Wake up timer ###########################################*/ /* RTC Wakeup Interrupt Generation: Wakeup Time Base = (RTC_WAKEUPCLOCK_RTCCLK_DIV /(LSI)) Wakeup Time = Wakeup Time Base * WakeUpCounter = (RTC_WAKEUPCLOCK_RTCCLK_DIV /(LSI)) * WakeUpCounter ==> WakeUpCounter = Wakeup Time / Wakeup Time Base To configure the wake up timer to 20s the WakeUpCounter is set to 0xA017: RTC_WAKEUPCLOCK_RTCCLK_DIV = RTCCLK_Div16 = 16 Wakeup Time Base = 16 /(~32.768KHz) = ~0,488 ms Wakeup Time = ~20s = 0,488ms * WakeUpCounter ==> WakeUpCounter = ~20s/0,488ms = 40983 = 0xA017 */ HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, 0xA017, RTC_WAKEUPCLOCK_RTCCLK_DIV16); /* FLASH Deep Power Down Mode enabled */ HAL_PWREx_EnableFlashPowerDown(); /* Enter Stop Mode */ HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); /* Configures system clock after wake-up from STOP: enable HSE, PLL and select PLL as system clock source (HSE and PLL are disabled in STOP mode) */ SYSCLKConfig_STOP(); /* Disable Wake-up timer */ if(HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle) != HAL_OK) { /* Initialization Error */ Error_Handler(); } }