+++ /dev/null
-/**
- ******************************************************************************
- * @file stm32f3xx_hal_rcc_ex.c
- * @author MCD Application Team
- * @version V1.1.0
- * @date 12-Sept-2014
- * @brief Extended RCC HAL module driver
- * This file provides firmware functions to manage the following
- * functionalities RCC Extended peripheral:
- * + Extended Clock Source configuration functions
- *
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f3xx_hal.h"
-
-/** @addtogroup STM32F3xx_HAL_Driver
- * @{
- */
-
-/** @defgroup RCCEx RCC Extended HAL module driver
- * @brief RCC Extended HAL module driver.
- * @{
- */
-
-#ifdef HAL_RCC_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/** @defgroup RCCEx_Private_Define RCC Extended Private Define
- * @{
- */
-#define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
-#define HSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
-#define LSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
-#define PLL_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
-#define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */
-/**
- * @}
- */
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/** @defgroup RCCEx_Private_Variables RCC Extented Private Variables
- * @{
- */
-const uint8_t PLLMULFactorTable[16] = { 2, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 16};
-const uint8_t PredivFactorTable[16] = { 1, 2, 3, 4, 5, 6, 7, 8,
- 9,10, 11, 12, 13, 14, 15, 16};
-/**
- * @}
- */
-
-/* Private function prototypes -----------------------------------------------*/
-/* Exported functions ---------------------------------------------------------*/
-
-/** @defgroup RCCEx_Exported_Functions RCC Extended Exported Functions
- * @{
- */
-
-/** @defgroup RCCEx_Exported_Functions_Group1 Extended Peripheral Control functions
- * @brief Extended Peripheral Control functions
- *
-@verbatim
- ===============================================================================
- ##### Extended Peripheral Control functions #####
- ===============================================================================
- [..]
- This subsection provides a set of functions allowing to control the RCC Clocks
- frequencies.
- [..]
- (@) Important note: Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to
- select the RTC clock source; in this case the Backup domain will be reset in
- order to modify the RTC Clock source, as consequence RTC registers (including
- the backup registers) and RCC_BDCR register are set to their reset values.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the RCC extended peripherals clocks according to the specified
- * parameters in the RCC_PeriphCLKInitTypeDef.
- * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that
- * contains the configuration information for the Extended Peripherals clocks
- * (ADC, CEC, I2C, I2S, SDADC, HRTIM, TIM, USART, RTC and USB).
- *
- * @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
- * the RTC clock source; in this case the Backup domain will be reset in
- * order to modify the RTC Clock source, as consequence RTC registers (including
- * the backup registers) and RCC_BDCR register are set to their reset values.
- *
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit)
-{
- uint32_t tickstart = 0;
- uint32_t tmpreg = 0;
-
- /* Check the parameters */
- assert_param(IS_RCC_PERIPHCLK(PeriphClkInit->PeriphClockSelection));
-
-
- /*---------------------------- RTC configuration -------------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC))
- {
- /* Enable Power Clock*/
- __PWR_CLK_ENABLE();
-
- /* Enable write access to Backup domain */
- SET_BIT(PWR->CR, PWR_CR_DBP);
-
- /* Wait for Backup domain Write protection disable */
- tickstart = HAL_GetTick();
-
- while((PWR->CR & PWR_CR_DBP) == RESET)
- {
- if((HAL_GetTick()-tickstart) > DBP_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-
- /* Reset the Backup domain only if the RTC Clock source selction is modified */
- if((RCC->BDCR & RCC_BDCR_RTCSEL) != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL))
- {
- /* Store the content of BDCR register before the reset of Backup Domain */
- tmpreg = (RCC->BDCR & ~(RCC_BDCR_RTCSEL));
- /* RTC Clock selection can be changed only if the Backup Domain is reset */
- __HAL_RCC_BACKUPRESET_FORCE();
- __HAL_RCC_BACKUPRESET_RELEASE();
- /* Restore the Content of BDCR register */
- RCC->BDCR = tmpreg;
- }
-
- /* If LSE is selected as RTC clock source, wait for LSE reactivation */
- if(PeriphClkInit->RTCClockSelection == RCC_RTCCLKSOURCE_LSE)
- {
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- __HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection);
- }
-
- /*------------------------------- USART1 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART1) == RCC_PERIPHCLK_USART1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_USART1CLKSOURCE(PeriphClkInit->Usart1ClockSelection));
-
- /* Configure the USART1 clock source */
- __HAL_RCC_USART1_CONFIG(PeriphClkInit->Usart1ClockSelection);
- }
-
- /*----------------------------- USART2 Configuration --------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART2) == RCC_PERIPHCLK_USART2)
- {
- /* Check the parameters */
- assert_param(IS_RCC_USART2CLKSOURCE(PeriphClkInit->Usart2ClockSelection));
-
- /* Configure the USART2 clock source */
- __HAL_RCC_USART2_CONFIG(PeriphClkInit->Usart2ClockSelection);
- }
-
- /*------------------------------ USART3 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART3) == RCC_PERIPHCLK_USART3)
- {
- /* Check the parameters */
- assert_param(IS_RCC_USART3CLKSOURCE(PeriphClkInit->Usart3ClockSelection));
-
- /* Configure the USART3 clock source */
- __HAL_RCC_USART3_CONFIG(PeriphClkInit->Usart3ClockSelection);
- }
-
- /*------------------------------ I2C1 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C1) == RCC_PERIPHCLK_I2C1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_I2C1CLKSOURCE(PeriphClkInit->I2c1ClockSelection));
-
- /* Configure the I2C1 clock source */
- __HAL_RCC_I2C1_CONFIG(PeriphClkInit->I2c1ClockSelection);
- }
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || \
- defined(STM32F302xC) || defined(STM32F303xC) || \
- defined(STM32F302x8) || \
- defined(STM32F373xC)
- /*------------------------------ USB Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USB) == RCC_PERIPHCLK_USB)
- {
- /* Check the parameters */
- assert_param(IS_RCC_USBCLKSOURCE(PeriphClkInit->USBClockSelection));
-
- /* Configure the USB clock source */
- __HAL_RCC_USB_CONFIG(PeriphClkInit->USBClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || */
- /* STM32F302xC || STM32F303xC || */
- /* STM32F302x8 || */
- /* STM32F373xC */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
-
- /*------------------------------ I2C2 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C2) == RCC_PERIPHCLK_I2C2)
- {
- /* Check the parameters */
- assert_param(IS_RCC_I2C2CLKSOURCE(PeriphClkInit->I2c2ClockSelection));
-
- /* Configure the I2C2 clock source */
- __HAL_RCC_I2C2_CONFIG(PeriphClkInit->I2c2ClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx || */
- /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- /*------------------------------ I2C3 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C3) == RCC_PERIPHCLK_I2C3)
- {
- /* Check the parameters */
- assert_param(IS_RCC_I2C3CLKSOURCE(PeriphClkInit->I2c3ClockSelection));
-
- /* Configure the I2C3 clock source */
- __HAL_RCC_I2C3_CONFIG(PeriphClkInit->I2c3ClockSelection);
- }
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx)
-
- /*------------------------------ UART4 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART4) == RCC_PERIPHCLK_UART4)
- {
- /* Check the parameters */
- assert_param(IS_RCC_UART4CLKSOURCE(PeriphClkInit->Uart4ClockSelection));
-
- /* Configure the UART4 clock source */
- __HAL_RCC_UART4_CONFIG(PeriphClkInit->Uart4ClockSelection);
- }
-
- /*------------------------------ UART5 Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART5) == RCC_PERIPHCLK_UART5)
- {
- /* Check the parameters */
- assert_param(IS_RCC_UART5CLKSOURCE(PeriphClkInit->Uart5ClockSelection));
-
- /* Configure the UART5 clock source */
- __HAL_RCC_UART5_CONFIG(PeriphClkInit->Uart5ClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
- /*------------------------------ I2S Configuration ------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S)
- {
- /* Check the parameters */
- assert_param(IS_RCC_I2SCLKSOURCE(PeriphClkInit->I2sClockSelection));
-
- /* Configure the I2S clock source */
- __HAL_RCC_I2S_CONFIG(PeriphClkInit->I2sClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- /*------------------------------ ADC1 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC1) == RCC_PERIPHCLK_ADC1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_ADC1PLLCLK_DIV(PeriphClkInit->Adc1ClockSelection));
-
- /* Configure the ADC1 clock source */
- __HAL_RCC_ADC1_CONFIG(PeriphClkInit->Adc1ClockSelection);
- }
-
-#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
-
- /*------------------------------ ADC1 & ADC2 clock Configuration -------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC12) == RCC_PERIPHCLK_ADC12)
- {
- /* Check the parameters */
- assert_param(IS_RCC_ADC12PLLCLK_DIV(PeriphClkInit->Adc12ClockSelection));
-
- /* Configure the ADC12 clock source */
- __HAL_RCC_ADC12_CONFIG(PeriphClkInit->Adc12ClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx */
-
-#if defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F303xC) || defined(STM32F358xx)
-
- /*------------------------------ ADC3 & ADC4 clock Configuration -------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC34) == RCC_PERIPHCLK_ADC34)
- {
- /* Check the parameters */
- assert_param(IS_RCC_ADC34PLLCLK_DIV(PeriphClkInit->Adc34ClockSelection));
-
- /* Configure the ADC34 clock source */
- __HAL_RCC_ADC34_CONFIG(PeriphClkInit->Adc34ClockSelection);
- }
-
-#endif /* STM32F303xE || STM32F398xx || */
- /* STM32F303xC || STM32F358xx */
-
-#if defined(STM32F373xC) || defined(STM32F378xx)
-
- /*------------------------------ ADC1 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC1) == RCC_PERIPHCLK_ADC1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_ADC1PCLK2_DIV(PeriphClkInit->Adc1ClockSelection));
-
- /* Configure the ADC1 clock source */
- __HAL_RCC_ADC1_CONFIG(PeriphClkInit->Adc1ClockSelection);
- }
-
-#endif /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- /*------------------------------ TIM1 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM1) == RCC_PERIPHCLK_TIM1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM1CLKSOURCE(PeriphClkInit->Tim1ClockSelection));
-
- /* Configure the TIM1 clock source */
- __HAL_RCC_TIM1_CONFIG(PeriphClkInit->Tim1ClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F303xC) || defined(STM32F358xx)
-
- /*------------------------------ TIM8 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM8) == RCC_PERIPHCLK_TIM8)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM8CLKSOURCE(PeriphClkInit->Tim8ClockSelection));
-
- /* Configure the TIM8 clock source */
- __HAL_RCC_TIM8_CONFIG(PeriphClkInit->Tim8ClockSelection);
- }
-
-#endif /* STM32F303xE || STM32F398xx || */
- /* STM32F303xC || STM32F358xx */
-
-#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- /*------------------------------ TIM15 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM15) == RCC_PERIPHCLK_TIM15)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM15CLKSOURCE(PeriphClkInit->Tim15ClockSelection));
-
- /* Configure the TIM15 clock source */
- __HAL_RCC_TIM15_CONFIG(PeriphClkInit->Tim15ClockSelection);
- }
-
- /*------------------------------ TIM16 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM16) == RCC_PERIPHCLK_TIM16)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM16CLKSOURCE(PeriphClkInit->Tim16ClockSelection));
-
- /* Configure the TIM16 clock source */
- __HAL_RCC_TIM16_CONFIG(PeriphClkInit->Tim16ClockSelection);
- }
-
- /*------------------------------ TIM17 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM17) == RCC_PERIPHCLK_TIM17)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM17CLKSOURCE(PeriphClkInit->Tim17ClockSelection));
-
- /* Configure the TIM17 clock source */
- __HAL_RCC_TIM17_CONFIG(PeriphClkInit->Tim17ClockSelection);
- }
-
-#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F334x8)
-
- /*------------------------------ HRTIM1 clock Configuration ----------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_HRTIM1) == RCC_PERIPHCLK_HRTIM1)
- {
- /* Check the parameters */
- assert_param(IS_RCC_HRTIM1CLKSOURCE(PeriphClkInit->Hrtim1ClockSelection));
-
- /* Configure the HRTIM1 clock source */
- __HAL_RCC_HRTIM1_CONFIG(PeriphClkInit->Hrtim1ClockSelection);
- }
-
-#endif /* STM32F334x8 */
-
-#if defined(STM32F373xC) || defined(STM32F378xx)
-
- /*------------------------------ SDADC clock Configuration -------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDADC) == RCC_PERIPHCLK_SDADC)
- {
- /* Check the parameters */
- assert_param(IS_RCC_SDADCSYSCLK_DIV(PeriphClkInit->SdadcClockSelection));
-
- /* Configure the SDADC clock prescaler */
- __HAL_RCC_SDADC_CONFIG(PeriphClkInit->SdadcClockSelection);
- }
-
- /*------------------------------ CEC clock Configuration -------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CEC) == RCC_PERIPHCLK_CEC)
- {
- /* Check the parameters */
- assert_param(IS_RCC_CECCLKSOURCE(PeriphClkInit->CecClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_CEC_CONFIG(PeriphClkInit->CecClockSelection);
- }
-
-#endif /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
-
- /*------------------------------ TIM2 clock Configuration -------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM2) == RCC_PERIPHCLK_TIM2)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM2CLKSOURCE(PeriphClkInit->Tim2ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM2_CONFIG(PeriphClkInit->Tim2ClockSelection);
- }
-
- /*------------------------------ TIM3 clock Configuration -------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM34) == RCC_PERIPHCLK_TIM34)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM3CLKSOURCE(PeriphClkInit->Tim34ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM34_CONFIG(PeriphClkInit->Tim34ClockSelection);
- }
-
- /*------------------------------ TIM15 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM15) == RCC_PERIPHCLK_TIM15)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM15CLKSOURCE(PeriphClkInit->Tim15ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM15_CONFIG(PeriphClkInit->Tim15ClockSelection);
- }
-
- /*------------------------------ TIM16 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM16) == RCC_PERIPHCLK_TIM16)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM16CLKSOURCE(PeriphClkInit->Tim16ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM16_CONFIG(PeriphClkInit->Tim16ClockSelection);
- }
-
- /*------------------------------ TIM17 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM17) == RCC_PERIPHCLK_TIM17)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM17CLKSOURCE(PeriphClkInit->Tim17ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM17_CONFIG(PeriphClkInit->Tim17ClockSelection);
- }
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
-
-#if defined(STM32F303xE) || defined(STM32F398xx)
- /*------------------------------ TIM20 clock Configuration ------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM20) == RCC_PERIPHCLK_TIM20)
- {
- /* Check the parameters */
- assert_param(IS_RCC_TIM20CLKSOURCE(PeriphClkInit->Tim20ClockSelection));
-
- /* Configure the CEC clock source */
- __HAL_RCC_TIM20_CONFIG(PeriphClkInit->Tim20ClockSelection);
- }
-#endif /* STM32F303xE || STM32F398xx */
-
-
- return HAL_OK;
-}
-
-/**
- * @brief Get the RCC_ClkInitStruct according to the internal
- * RCC configuration registers.
- * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that
- * returns the configuration information for the Extended Peripherals clocks
- * (ADC, CEC, I2C, I2S, SDADC, HRTIM, TIM, USART, RTC and USB clocks).
- * @retval None
- */
-void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit)
-{
- /* Set all possible values for the extended clock type parameter------------*/
- /* Common part first */
- PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_USART3 | \
- RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_RTC;
-
- /* Get the RTC configuration --------------------------------------------*/
- PeriphClkInit->RTCClockSelection = __HAL_RCC_GET_RTC_SOURCE();
- /* Get the USART1 clock configuration --------------------------------------------*/
- PeriphClkInit->Usart1ClockSelection = __HAL_RCC_GET_USART1_SOURCE();
- /* Get the USART2 clock configuration -----------------------------------------*/
- PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE();
- /* Get the USART3 clock configuration -----------------------------------------*/
- PeriphClkInit->Usart3ClockSelection = __HAL_RCC_GET_USART3_SOURCE();
- /* Get the I2C1 clock configuration -----------------------------------------*/
- PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE();
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || \
- defined(STM32F302xC) || defined(STM32F303xC) || \
- defined(STM32F302x8) || \
- defined(STM32F373xC)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_USB;
- /* Get the USB clock configuration -----------------------------------------*/
- PeriphClkInit->USBClockSelection = __HAL_RCC_GET_USB_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || */
- /* STM32F302xC || STM32F303xC || */
- /* STM32F302x8 || */
- /* STM32F373xC */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2C2;
- /* Get the I2C2 clock configuration -----------------------------------------*/
- PeriphClkInit->I2c2ClockSelection = __HAL_RCC_GET_I2C2_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx || */
- /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2C3;
- /* Get the I2C3 clock configuration -----------------------------------------*/
- PeriphClkInit->I2c3ClockSelection = __HAL_RCC_GET_I2C3_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) ||defined(STM32F358xx)
-
- PeriphClkInit->PeriphClockSelection |= (RCC_PERIPHCLK_UART4 | RCC_PERIPHCLK_UART5);
- /* Get the UART4 clock configuration -----------------------------------------*/
- PeriphClkInit->Uart4ClockSelection = __HAL_RCC_GET_UART4_SOURCE();
- /* Get the UART5 clock configuration -----------------------------------------*/
- PeriphClkInit->Uart5ClockSelection = __HAL_RCC_GET_UART5_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2S;
- /* Get the I2S clock configuration -----------------------------------------*/
- PeriphClkInit->I2sClockSelection = __HAL_RCC_GET_I2S_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx || */
-
-#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC1;
- /* Get the ADC1 clock configuration -----------------------------------------*/
- PeriphClkInit->Adc1ClockSelection = __HAL_RCC_GET_ADC1_SOURCE();
-
-#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx || */
- /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC12;
- /* Get the ADC1 & ADC2 clock configuration -----------------------------------------*/
- PeriphClkInit->Adc12ClockSelection = __HAL_RCC_GET_ADC12_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx */
-
-#if defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F303xC) || defined(STM32F358xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC34;
- /* Get the ADC3 & ADC4 clock configuration -----------------------------------------*/
- PeriphClkInit->Adc34ClockSelection = __HAL_RCC_GET_ADC34_SOURCE();
-
-#endif /* STM32F303xE || STM32F398xx || */
- /* STM32F303xC || STM32F358xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM1;
- /* Get the TIM1 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim1ClockSelection = __HAL_RCC_GET_TIM1_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
- /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F303xE) || defined(STM32F398xx) || \
- defined(STM32F303xC) || defined(STM32F358xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM8;
- /* Get the TIM8 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim8ClockSelection = __HAL_RCC_GET_TIM8_SOURCE();
-
-#endif /* STM32F303xE || STM32F398xx || */
- /* STM32F303xC || STM32F358xx */
-
-#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
-
- PeriphClkInit->PeriphClockSelection |= (RCC_PERIPHCLK_TIM15 | RCC_PERIPHCLK_TIM16 | RCC_PERIPHCLK_TIM17);
- /* Get the TIM15 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim15ClockSelection = __HAL_RCC_GET_TIM15_SOURCE();
- /* Get the TIM16 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim16ClockSelection = __HAL_RCC_GET_TIM16_SOURCE();
- /* Get the TIM17 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim17ClockSelection = __HAL_RCC_GET_TIM17_SOURCE();
-
-#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
-
-#if defined(STM32F334x8)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_HRTIM1;
- /* Get the HRTIM1 clock configuration -----------------------------------------*/
- PeriphClkInit->Hrtim1ClockSelection = __HAL_RCC_GET_HRTIM1_SOURCE();
-
-#endif /* STM32F334x8 */
-
-#if defined(STM32F373xC) || defined(STM32F378xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_SDADC;
- /* Get the SDADC clock configuration -----------------------------------------*/
- PeriphClkInit->SdadcClockSelection = __HAL_RCC_GET_SDADC_SOURCE();
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_CEC;
- /* Get the CEC clock configuration -----------------------------------------*/
- PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE();
-
-#endif /* STM32F373xC || STM32F378xx */
-
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM2;
- /* Get the TIM2 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim2ClockSelection = __HAL_RCC_GET_TIM2_SOURCE();
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM34;
- /* Get the TIM3 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim34ClockSelection = __HAL_RCC_GET_TIM34_SOURCE();
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM15;
- /* Get the TIM15 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim15ClockSelection = __HAL_RCC_GET_TIM15_SOURCE();
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM16;
- /* Get the TIM16 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim16ClockSelection = __HAL_RCC_GET_TIM16_SOURCE();
-
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM17;
- /* Get the TIM17 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim17ClockSelection = __HAL_RCC_GET_TIM17_SOURCE();
-
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
-
-#if defined (STM32F303xE) || defined(STM32F398xx)
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM20;
- /* Get the TIM20 clock configuration -----------------------------------------*/
- PeriphClkInit->Tim20ClockSelection = __HAL_RCC_GET_TIM20_SOURCE();
-#endif /* STM32F303xE || STM32F398xx */
-}
-
-/**
- * @brief Initializes the RCC Oscillators according to the specified parameters in the
- * RCC_OscInitTypeDef.
- * @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that
- * contains the configuration information for the RCC Oscillators.
- * @note The PLL is not disabled when used as system clock.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
-{
- uint32_t tickstart = 0;
-
- /* Check the parameters */
- assert_param(RCC_OscInitStruct != HAL_NULL);
- assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
- /*------------------------------- HSE Configuration ------------------------*/
- if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
- {
- /* Check the parameters */
- assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
- /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
- if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSE) ||
- ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSE)))
- {
- if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState != RCC_HSE_ON))
- {
- return HAL_ERROR;
- }
- }
- else
- {
- /* Reset HSEON and HSEBYP bits before configuring the HSE --------------*/
- __HAL_RCC_HSE_CONFIG(RCC_HSE_OFF);
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till HSE is bypassed or disabled */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-
- /* Set the new HSE configuration ---------------------------------------*/
- __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
-
-#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
- /* Configure the HSE predivision factor --------------------------------*/
- __HAL_RCC_HSE_PREDIV_CONFIG(RCC_OscInitStruct->HSEPredivValue);
-#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
- /* STM32F373xC || STM32F378xx */
-
- /* Check the HSE State */
- if(RCC_OscInitStruct->HSEState == RCC_HSE_ON)
- {
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till HSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- else
- {
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till HSE is bypassed or disabled */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- }
- /*----------------------------- HSI Configuration --------------------------*/
- if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
- {
- /* Check the parameters */
- assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
- assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
-
- /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */
- if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSI) ||
- ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSI)))
- {
- /* When the HSI is used as system clock it is not allowed to be disabled */
- if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))
- {
- return HAL_ERROR;
- }
- /* Otherwise, just the calibration is allowed */
- else
- {
- /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
- __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
- }
- }
- else
- {
- /* Check the HSI State */
- if(RCC_OscInitStruct->HSIState != RCC_HSI_OFF)
- {
- /* Enable the Internal High Speed oscillator (HSI). */
- __HAL_RCC_HSI_ENABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till HSI is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > HSI_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-
- /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
- __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
- }
- else
- {
- /* Disable the Internal High Speed oscillator (HSI). */
- __HAL_RCC_HSI_DISABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till HSI is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > HSI_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- }
- /*------------------------------ LSI Configuration -------------------------*/
- if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
- {
- /* Check the parameters */
- assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
-
- /* Check the LSI State */
- if(RCC_OscInitStruct->LSIState != RCC_LSI_OFF)
- {
- /* Enable the Internal Low Speed oscillator (LSI). */
- __HAL_RCC_LSI_ENABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSI is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > LSI_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- else
- {
- /* Disable the Internal Low Speed oscillator (LSI). */
- __HAL_RCC_LSI_DISABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSI is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > LSI_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- /*------------------------------ LSE Configuration -------------------------*/
- if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)
- {
- /* Check the parameters */
- assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
-
- /* Enable Power Clock*/
- __PWR_CLK_ENABLE();
-
- /* Enable write access to Backup domain */
- SET_BIT(PWR->CR, PWR_CR_DBP);
-
- /* Wait for Backup domain Write protection disable */
- tickstart = HAL_GetTick();
-
- while((PWR->CR & PWR_CR_DBP) == RESET)
- {
- if((HAL_GetTick()-tickstart) > DBP_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-
- /* Reset LSEON and LSEBYP bits before configuring the LSE ----------------*/
- __HAL_RCC_LSE_CONFIG(RCC_LSE_OFF);
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-
- /* Set the new LSE configuration -----------------------------------------*/
- __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
- /* Check the LSE State */
- if(RCC_OscInitStruct->LSEState == RCC_LSE_ON)
- {
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- else
- {
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till LSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- /*-------------------------------- PLL Configuration -----------------------*/
- /* Check the parameters */
- assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
- if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
- {
- /* Check if the PLL is used as system clock or not */
- if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_SYSCLKSOURCE_STATUS_PLLCLK)
- {
- if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
- {
- /* Check the parameters */
- assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
- assert_param(IS_RCC_PLL_MUL(RCC_OscInitStruct->PLL.PLLMUL));
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
- assert_param(IS_RCC_PREDIV(RCC_OscInitStruct->PLL.PREDIV));
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
-
- /* Disable the main PLL. */
- __HAL_RCC_PLL_DISABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till PLL is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
-#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
- /* Configure the main PLL clock source and multiplication factor. */
- __HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource,
- RCC_OscInitStruct->PLL.PLLMUL);
-#else
- /* Configure the main PLL clock source, predivider and multiplication factor. */
- __HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource,
- RCC_OscInitStruct->PLL.PREDIV,
- RCC_OscInitStruct->PLL.PLLMUL);
-#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
- /* STM32F373xC || STM32F378xx */
-
- /* Enable the main PLL. */
- __HAL_RCC_PLL_ENABLE();
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till PLL is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
- {
- if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- else
- {
- /* Disable the main PLL. */
- __HAL_RCC_PLL_DISABLE();
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait till PLL is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
- {
- if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- else
- {
- return HAL_ERROR;
- }
- }
- return HAL_OK;
-}
-
-/**
- * @brief Configures the RCC_OscInitStruct according to the internal
- * RCC configuration registers.
- * @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that
- * will be configured.
- * @retval None
- */
-void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
-{
- /* Check the parameters */
- assert_param(RCC_OscInitStruct != HAL_NULL);
-
- /* Set all possible values for the Oscillator type parameter ---------------*/
- RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI;
-
- /* Get the HSE configuration -----------------------------------------------*/
- if((RCC->CR & RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
- {
- RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
- }
- else if((RCC->CR & RCC_CR_HSEON) == RCC_CR_HSEON)
- {
- RCC_OscInitStruct->HSEState = RCC_HSE_ON;
- }
- else
- {
- RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
- }
-
-#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
- RCC_OscInitStruct->HSEPredivValue = (uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV);
-#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
- /* STM32F373xC || STM32F378xx */
-
- /* Get the HSI configuration -----------------------------------------------*/
- if((RCC->CR & RCC_CR_HSION) == RCC_CR_HSION)
- {
- RCC_OscInitStruct->HSIState = RCC_HSI_ON;
- }
- else
- {
- RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
- }
-
- RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> POSITION_VAL(RCC_CR_HSITRIM));
-
- /* Get the LSE configuration -----------------------------------------------*/
- if((RCC->BDCR & RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
- {
- RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
- }
- else if((RCC->BDCR & RCC_BDCR_LSEON) == RCC_BDCR_LSEON)
- {
- RCC_OscInitStruct->LSEState = RCC_LSE_ON;
- }
- else
- {
- RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
- }
-
- /* Get the LSI configuration -----------------------------------------------*/
- if((RCC->CSR & RCC_CSR_LSION) == RCC_CSR_LSION)
- {
- RCC_OscInitStruct->LSIState = RCC_LSI_ON;
- }
- else
- {
- RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
- }
-
- /* Get the PLL configuration -----------------------------------------------*/
- if((RCC->CR & RCC_CR_PLLON) == RCC_CR_PLLON)
- {
- RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
- }
- else
- {
- RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
- }
-
- RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->CFGR & RCC_CFGR_PLLSRC);
- RCC_OscInitStruct->PLL.PLLMUL = (uint32_t)(RCC->CFGR & RCC_CFGR_PLLMUL);
-#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
- RCC_OscInitStruct->PLL.PREDIV = (uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV);
-#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
-}
-
-/**
- * @brief Returns the SYSCLK frequency
- * @note The system frequency computed by this function is not the real
- * frequency in the chip. It is calculated based on the predefined
- * constant and the selected clock source:
- * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*)
- * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE
- * divided by PREDIV factor(**)
- * @note If SYSCLK source is PLL, function returns values based on HSE_VALUE
- * divided by PREDIV factor(**) or HSI_VALUE(*) multiplied by the PLL factor.
- * @note (*) HSI_VALUE is a constant defined in stm32f3xx.h file (default value
- * 8 MHz).
- * @note (**) HSE_VALUE is a constant defined in stm32f3xx.h file (default value
- * 8 MHz), user has to ensure that HSE_VALUE is same as the real
- * frequency of the crystal used. Otherwise, this function may
- * have wrong result.
- *
- * @note The result of this function could be not correct when using fractional
- * value for HSE crystal.
- *
- * @note This function can be used by the user application to compute the
- * baudrate for the communication peripherals or configure other parameters.
- *
- * @note Each time SYSCLK changes, this function must be called to update the
- * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.
- *
- * @retval SYSCLK frequency
- */
-uint32_t HAL_RCC_GetSysClockFreq(void)
-{
- uint32_t tmpreg = 0, prediv = 0, pllmul = 0, pllclk = 0;
- uint32_t sysclockfreq = 0;
-
- tmpreg = RCC->CFGR;
-
- /* Get SYSCLK source -------------------------------------------------------*/
- switch (tmpreg & RCC_CFGR_SWS)
- {
- case RCC_SYSCLKSOURCE_STATUS_HSE: /* HSE used as system clock source */
- sysclockfreq = HSE_VALUE;
- break;
-
- case RCC_SYSCLKSOURCE_STATUS_PLLCLK: /* PLL used as system clock source */
- pllmul = PLLMULFactorTable[(uint32_t)(tmpreg & RCC_CFGR_PLLMUL) >> POSITION_VAL(RCC_CFGR_PLLMUL)];
- prediv = PredivFactorTable[(uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV) >> POSITION_VAL(RCC_CFGR2_PREDIV)];
-#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
- defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
- defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
- defined(STM32F373xC) || defined(STM32F378xx)
- if ((tmpreg & RCC_CFGR_PLLSRC) != RCC_PLLSOURCE_HSI)
- {
- /* HSE used as PLL clock source : PLLCLK = HSE/PREDIV * PLLMUL */
- pllclk = (HSE_VALUE/prediv) * pllmul;
- }
- else
- {
- /* HSI used as PLL clock source : PLLCLK = HSI/2 * PLLMUL */
- pllclk = (HSI_VALUE >> 1) * pllmul;
- }
-#else
- if ((tmpreg & RCC_CFGR_PLLSRC_HSE_PREDIV) == RCC_CFGR_PLLSRC_HSE_PREDIV)
- {
- /* HSE used as PLL clock source : PLLCLK = HSE/PREDIV * PLLMUL */
- pllclk = (HSE_VALUE/prediv) * pllmul;
- }
- else
- {
- /* HSI used as PLL clock source : PLLCLK = HSI/PREDIV * PLLMUL */
- pllclk = (HSI_VALUE/prediv) * pllmul;
- }
-#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
- /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
- /* STM32F301x8 || STM32F302x8 || STM32F318xx */
- /* STM32F373xC || STM32F378xx */
- sysclockfreq = pllclk;
- break;
-
- case RCC_SYSCLKSOURCE_STATUS_HSI: /* HSI used as system clock source */
- default:
- sysclockfreq = HSI_VALUE;
- break;
- }
- return sysclockfreq;
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* HAL_RCC_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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