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path: root/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c
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Diffstat (limited to 'fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c')
-rw-r--r--fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c964
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diff --git a/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c b/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c
deleted file mode 100644
index 386e9ae..0000000
--- a/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c
+++ /dev/null
@@ -1,964 +0,0 @@
-/**
- ******************************************************************************
- * @file stm32f0xx_hal_rcc_ex.c
- * @author MCD Application Team
- * @brief Extended RCC HAL module driver.
- * This file provides firmware functions to manage the following
- * functionalities RCC extension peripheral:
- * + Extended Peripheral Control functions
- * + Extended Clock Recovery System Control functions
- *
- ******************************************************************************
- * @attention
- *
- * <h2><center>&copy; 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 "stm32f0xx_hal.h"
-
-/** @addtogroup STM32F0xx_HAL_Driver
- * @{
- */
-
-#ifdef HAL_RCC_MODULE_ENABLED
-
-/** @defgroup RCCEx RCCEx
- * @brief RCC Extension HAL module driver.
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#if defined(CRS)
-/** @defgroup RCCEx_Private_Constants RCCEx Private Constants
- * @{
- */
-/* Bit position in register */
-#define CRS_CFGR_FELIM_BITNUMBER 16
-#define CRS_CR_TRIM_BITNUMBER 8
-#define CRS_ISR_FECAP_BITNUMBER 16
-/**
- * @}
- */
-#endif /* CRS */
-
-/* Private macro -------------------------------------------------------------*/
-/** @defgroup RCCEx_Private_Macros RCCEx Private Macros
- * @{
- */
-/**
- * @}
- */
-
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup RCCEx_Exported_Functions RCCEx 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) 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
- * (USART, RTC, I2C, CEC and USB).
- *
- * @note Care must be taken when @ref 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 = 0U;
- uint32_t temp_reg = 0U;
-
- /* Check the parameters */
- assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection));
-
- /*---------------------------- RTC configuration -------------------------------*/
- if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC))
- {
- /* check for RTC Parameters used to output RTCCLK */
- assert_param(IS_RCC_RTCCLKSOURCE(PeriphClkInit->RTCClockSelection));
-
- FlagStatus pwrclkchanged = RESET;
-
- /* As soon as function is called to change RTC clock source, activation of the
- power domain is done. */
- /* Requires to enable write access to Backup Domain of necessary */
- if(__HAL_RCC_PWR_IS_CLK_DISABLED())
- {
- __HAL_RCC_PWR_CLK_ENABLE();
- pwrclkchanged = SET;
- }
-
- if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
- {
- /* Enable write access to Backup domain */
- SET_BIT(PWR->CR, PWR_CR_DBP);
-
- /* Wait for Backup domain Write protection disable */
- tickstart = HAL_GetTick();
-
- while(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
- {
- if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
-
- /* Reset the Backup domain only if the RTC Clock source selection is modified from reset value */
- temp_reg = (RCC->BDCR & RCC_BDCR_RTCSEL);
- if((temp_reg != 0x00000000U) && (temp_reg != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL)))
- {
- /* Store the content of BDCR register before the reset of Backup Domain */
- temp_reg = (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 = temp_reg;
-
- /* Wait for LSERDY if LSE was enabled */
- if (HAL_IS_BIT_SET(temp_reg, RCC_BDCR_LSEON))
- {
- /* Get Start Tick */
- tickstart = HAL_GetTick();
-
- /* Wait till LSE is ready */
- while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
- {
- if((HAL_GetTick() - tickstart) > RCC_LSE_TIMEOUT_VALUE)
- {
- return HAL_TIMEOUT;
- }
- }
- }
- }
- __HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection);
-
- /* Require to disable power clock if necessary */
- if(pwrclkchanged == SET)
- {
- __HAL_RCC_PWR_CLK_DISABLE();
- }
- }
-
- /*------------------------------- 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);
- }
-
-#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)\
- || defined(STM32F091xC) || defined(STM32F098xx)
- /*----------------------------- 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);
- }
-#endif /* STM32F071xB || STM32F072xB || STM32F078xx || */
- /* STM32F091xC || STM32F098xx */
-
-#if defined(STM32F091xC) || defined(STM32F098xx)
- /*----------------------------- 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);
- }
-#endif /* STM32F091xC || STM32F098xx */
-
- /*------------------------------ 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(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F070xB) || defined(STM32F070x6)
- /*------------------------------ 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 /* STM32F042x6 || STM32F048xx || STM32F072xB || STM32F078xx || STM32F070xB || STM32F070x6 */
-
-#if defined(STM32F042x6) || defined(STM32F048xx)\
- || defined(STM32F051x8) || defined(STM32F058xx)\
- || defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)\
- || defined(STM32F091xC) || defined(STM32F098xx)
- /*------------------------------ 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 /* STM32F042x6 || STM32F048xx || */
- /* STM32F051x8 || STM32F058xx || */
- /* STM32F071xB || STM32F072xB || STM32F078xx || */
- /* STM32F091xC || STM32F098xx */
-
- 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
- * (USART, RTC, I2C, CEC and USB).
- * @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_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 I2C1 clock source -----------------------------------------------*/
- PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE();
-
-#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)\
- || defined(STM32F091xC) || defined(STM32F098xx)
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_USART2;
- /* Get the USART2 clock source ---------------------------------------------*/
- PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE();
-#endif /* STM32F071xB || STM32F072xB || STM32F078xx || */
- /* STM32F091xC || STM32F098xx */
-
-#if defined(STM32F091xC) || defined(STM32F098xx)
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_USART3;
- /* Get the USART3 clock source ---------------------------------------------*/
- PeriphClkInit->Usart3ClockSelection = __HAL_RCC_GET_USART3_SOURCE();
-#endif /* STM32F091xC || STM32F098xx */
-
-#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F070xB) || defined(STM32F070x6)
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_USB;
- /* Get the USB clock source ---------------------------------------------*/
- PeriphClkInit->UsbClockSelection = __HAL_RCC_GET_USB_SOURCE();
-#endif /* STM32F042x6 || STM32F048xx || STM32F072xB || STM32F078xx || STM32F070xB || STM32F070x6 */
-
-#if defined(STM32F042x6) || defined(STM32F048xx)\
- || defined(STM32F051x8) || defined(STM32F058xx)\
- || defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)\
- || defined(STM32F091xC) || defined(STM32F098xx)
- PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_CEC;
- /* Get the CEC clock source ------------------------------------------------*/
- PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE();
-#endif /* STM32F042x6 || STM32F048xx || */
- /* STM32F051x8 || STM32F058xx || */
- /* STM32F071xB || STM32F072xB || STM32F078xx || */
- /* STM32F091xC || STM32F098xx */
-
-}
-
-/**
- * @brief Returns the peripheral clock frequency
- * @note Returns 0 if peripheral clock is unknown
- * @param PeriphClk Peripheral clock identifier
- * This parameter can be one of the following values:
- * @arg @ref RCC_PERIPHCLK_RTC RTC peripheral clock
- * @arg @ref RCC_PERIPHCLK_USART1 USART1 peripheral clock
- * @arg @ref RCC_PERIPHCLK_I2C1 I2C1 peripheral clock
- @if STM32F042x6
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F048xx
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F051x8
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F058xx
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F070x6
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- @endif
- @if STM32F070xB
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- @endif
- @if STM32F071xB
- * @arg @ref RCC_PERIPHCLK_USART2 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F072xB
- * @arg @ref RCC_PERIPHCLK_USART2 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F078xx
- * @arg @ref RCC_PERIPHCLK_USART2 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_USB USB peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F091xC
- * @arg @ref RCC_PERIPHCLK_USART2 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_USART3 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- @if STM32F098xx
- * @arg @ref RCC_PERIPHCLK_USART2 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_USART3 USART2 peripheral clock
- * @arg @ref RCC_PERIPHCLK_CEC CEC peripheral clock
- @endif
- * @retval Frequency in Hz (0: means that no available frequency for the peripheral)
- */
-uint32_t HAL_RCCEx_GetPeriphCLKFreq(uint32_t PeriphClk)
-{
- /* frequency == 0 : means that no available frequency for the peripheral */
- uint32_t frequency = 0U;
-
- uint32_t srcclk = 0U;
-#if defined(USB)
- uint32_t pllmull = 0U, pllsource = 0U, predivfactor = 0U;
-#endif /* USB */
-
- /* Check the parameters */
- assert_param(IS_RCC_PERIPHCLOCK(PeriphClk));
-
- switch (PeriphClk)
- {
- case RCC_PERIPHCLK_RTC:
- {
- /* Get the current RTC source */
- srcclk = __HAL_RCC_GET_RTC_SOURCE();
-
- /* Check if LSE is ready and if RTC clock selection is LSE */
- if ((srcclk == RCC_RTCCLKSOURCE_LSE) && (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSERDY)))
- {
- frequency = LSE_VALUE;
- }
- /* Check if LSI is ready and if RTC clock selection is LSI */
- else if ((srcclk == RCC_RTCCLKSOURCE_LSI) && (HAL_IS_BIT_SET(RCC->CSR, RCC_CSR_LSIRDY)))
- {
- frequency = LSI_VALUE;
- }
- /* Check if HSE is ready and if RTC clock selection is HSI_DIV32*/
- else if ((srcclk == RCC_RTCCLKSOURCE_HSE_DIV32) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSERDY)))
- {
- frequency = HSE_VALUE / 32U;
- }
- break;
- }
- case RCC_PERIPHCLK_USART1:
- {
- /* Get the current USART1 source */
- srcclk = __HAL_RCC_GET_USART1_SOURCE();
-
- /* Check if USART1 clock selection is PCLK1 */
- if (srcclk == RCC_USART1CLKSOURCE_PCLK1)
- {
- frequency = HAL_RCC_GetPCLK1Freq();
- }
- /* Check if HSI is ready and if USART1 clock selection is HSI */
- else if ((srcclk == RCC_USART1CLKSOURCE_HSI) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSIRDY)))
- {
- frequency = HSI_VALUE;
- }
- /* Check if USART1 clock selection is SYSCLK */
- else if (srcclk == RCC_USART1CLKSOURCE_SYSCLK)
- {
- frequency = HAL_RCC_GetSysClockFreq();
- }
- /* Check if LSE is ready and if USART1 clock selection is LSE */
- else if ((srcclk == RCC_USART1CLKSOURCE_LSE) && (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSERDY)))
- {
- frequency = LSE_VALUE;
- }
- break;
- }
-#if defined(RCC_CFGR3_USART2SW)
- case RCC_PERIPHCLK_USART2:
- {
- /* Get the current USART2 source */
- srcclk = __HAL_RCC_GET_USART2_SOURCE();
-
- /* Check if USART2 clock selection is PCLK1 */
- if (srcclk == RCC_USART2CLKSOURCE_PCLK1)
- {
- frequency = HAL_RCC_GetPCLK1Freq();
- }
- /* Check if HSI is ready and if USART2 clock selection is HSI */
- else if ((srcclk == RCC_USART2CLKSOURCE_HSI) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSIRDY)))
- {
- frequency = HSI_VALUE;
- }
- /* Check if USART2 clock selection is SYSCLK */
- else if (srcclk == RCC_USART2CLKSOURCE_SYSCLK)
- {
- frequency = HAL_RCC_GetSysClockFreq();
- }
- /* Check if LSE is ready and if USART2 clock selection is LSE */
- else if ((srcclk == RCC_USART2CLKSOURCE_LSE) && (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSERDY)))
- {
- frequency = LSE_VALUE;
- }
- break;
- }
-#endif /* RCC_CFGR3_USART2SW */
-#if defined(RCC_CFGR3_USART3SW)
- case RCC_PERIPHCLK_USART3:
- {
- /* Get the current USART3 source */
- srcclk = __HAL_RCC_GET_USART3_SOURCE();
-
- /* Check if USART3 clock selection is PCLK1 */
- if (srcclk == RCC_USART3CLKSOURCE_PCLK1)
- {
- frequency = HAL_RCC_GetPCLK1Freq();
- }
- /* Check if HSI is ready and if USART3 clock selection is HSI */
- else if ((srcclk == RCC_USART3CLKSOURCE_HSI) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSIRDY)))
- {
- frequency = HSI_VALUE;
- }
- /* Check if USART3 clock selection is SYSCLK */
- else if (srcclk == RCC_USART3CLKSOURCE_SYSCLK)
- {
- frequency = HAL_RCC_GetSysClockFreq();
- }
- /* Check if LSE is ready and if USART3 clock selection is LSE */
- else if ((srcclk == RCC_USART3CLKSOURCE_LSE) && (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSERDY)))
- {
- frequency = LSE_VALUE;
- }
- break;
- }
-#endif /* RCC_CFGR3_USART3SW */
- case RCC_PERIPHCLK_I2C1:
- {
- /* Get the current I2C1 source */
- srcclk = __HAL_RCC_GET_I2C1_SOURCE();
-
- /* Check if HSI is ready and if I2C1 clock selection is HSI */
- if ((srcclk == RCC_I2C1CLKSOURCE_HSI) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSIRDY)))
- {
- frequency = HSI_VALUE;
- }
- /* Check if I2C1 clock selection is SYSCLK */
- else if (srcclk == RCC_I2C1CLKSOURCE_SYSCLK)
- {
- frequency = HAL_RCC_GetSysClockFreq();
- }
- break;
- }
-#if defined(USB)
- case RCC_PERIPHCLK_USB:
- {
- /* Get the current USB source */
- srcclk = __HAL_RCC_GET_USB_SOURCE();
-
- /* Check if PLL is ready and if USB clock selection is PLL */
- if ((srcclk == RCC_USBCLKSOURCE_PLL) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_PLLRDY)))
- {
- /* Get PLL clock source and multiplication factor ----------------------*/
- pllmull = RCC->CFGR & RCC_CFGR_PLLMUL;
- pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
- pllmull = (pllmull >> RCC_CFGR_PLLMUL_BITNUMBER) + 2U;
- predivfactor = (RCC->CFGR2 & RCC_CFGR2_PREDIV) + 1U;
-
- if (pllsource == RCC_CFGR_PLLSRC_HSE_PREDIV)
- {
- /* HSE used as PLL clock source : frequency = HSE/PREDIV * PLLMUL */
- frequency = (HSE_VALUE/predivfactor) * pllmull;
- }
-#if defined(RCC_CR2_HSI48ON)
- else if (pllsource == RCC_CFGR_PLLSRC_HSI48_PREDIV)
- {
- /* HSI48 used as PLL clock source : frequency = HSI48/PREDIV * PLLMUL */
- frequency = (HSI48_VALUE / predivfactor) * pllmull;
- }
-#endif /* RCC_CR2_HSI48ON */
- else
- {
-#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F078xx) || defined(STM32F072xB) || defined(STM32F070xB)
- /* HSI used as PLL clock source : frequency = HSI/PREDIV * PLLMUL */
- frequency = (HSI_VALUE / predivfactor) * pllmull;
-#else
- /* HSI used as PLL clock source : frequency = HSI/2U * PLLMUL */
- frequency = (HSI_VALUE >> 1U) * pllmull;
-#endif /* STM32F042x6 || STM32F048xx || STM32F072xB || STM32F078xx || STM32F070xB */
- }
- }
-#if defined(RCC_CR2_HSI48ON)
- /* Check if HSI48 is ready and if USB clock selection is HSI48 */
- else if ((srcclk == RCC_USBCLKSOURCE_HSI48) && (HAL_IS_BIT_SET(RCC->CR2, RCC_CR2_HSI48RDY)))
- {
- frequency = HSI48_VALUE;
- }
-#endif /* RCC_CR2_HSI48ON */
- break;
- }
-#endif /* USB */
-#if defined(CEC)
- case RCC_PERIPHCLK_CEC:
- {
- /* Get the current CEC source */
- srcclk = __HAL_RCC_GET_CEC_SOURCE();
-
- /* Check if HSI is ready and if CEC clock selection is HSI */
- if ((srcclk == RCC_CECCLKSOURCE_HSI) && (HAL_IS_BIT_SET(RCC->CR, RCC_CR_HSIRDY)))
- {
- frequency = HSI_VALUE;
- }
- /* Check if LSE is ready and if CEC clock selection is LSE */
- else if ((srcclk == RCC_CECCLKSOURCE_LSE) && (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSERDY)))
- {
- frequency = LSE_VALUE;
- }
- break;
- }
-#endif /* CEC */
- default:
- {
- break;
- }
- }
- return(frequency);
-}
-
-/**
- * @}
- */
-
-#if defined(CRS)
-
-/** @defgroup RCCEx_Exported_Functions_Group3 Extended Clock Recovery System Control functions
- * @brief Extended Clock Recovery System Control functions
- *
-@verbatim
- ===============================================================================
- ##### Extended Clock Recovery System Control functions #####
- ===============================================================================
- [..]
- For devices with Clock Recovery System feature (CRS), RCC Extention HAL driver can be used as follows:
-
- (#) In System clock config, HSI48 needs to be enabled
-
- (#) Enable CRS clock in IP MSP init which will use CRS functions
-
- (#) Call CRS functions as follows:
- (##) Prepare synchronization configuration necessary for HSI48 calibration
- (+++) Default values can be set for frequency Error Measurement (reload and error limit)
- and also HSI48 oscillator smooth trimming.
- (+++) Macro @ref __HAL_RCC_CRS_RELOADVALUE_CALCULATE can be also used to calculate
- directly reload value with target and synchronization frequencies values
- (##) Call function @ref HAL_RCCEx_CRSConfig which
- (+++) Reset CRS registers to their default values.
- (+++) Configure CRS registers with synchronization configuration
- (+++) Enable automatic calibration and frequency error counter feature
- Note: When using USB LPM (Link Power Management) and the device is in Sleep mode, the
- periodic USB SOF will not be generated by the host. No SYNC signal will therefore be
- provided to the CRS to calibrate the HSI48 on the run. To guarantee the required clock
- precision after waking up from Sleep mode, the LSE or reference clock on the GPIOs
- should be used as SYNC signal.
-
- (##) A polling function is provided to wait for complete synchronization
- (+++) Call function @ref HAL_RCCEx_CRSWaitSynchronization()
- (+++) According to CRS status, user can decide to adjust again the calibration or continue
- application if synchronization is OK
-
- (#) User can retrieve information related to synchronization in calling function
- @ref HAL_RCCEx_CRSGetSynchronizationInfo()
-
- (#) Regarding synchronization status and synchronization information, user can try a new calibration
- in changing synchronization configuration and call again HAL_RCCEx_CRSConfig.
- Note: When the SYNC event is detected during the downcounting phase (before reaching the zero value),
- it means that the actual frequency is lower than the target (and so, that the TRIM value should be
- incremented), while when it is detected during the upcounting phase it means that the actual frequency
- is higher (and that the TRIM value should be decremented).
-
- (#) In interrupt mode, user can resort to the available macros (__HAL_RCC_CRS_XXX_IT). Interrupts will go
- through CRS Handler (RCC_IRQn/RCC_IRQHandler)
- (++) Call function @ref HAL_RCCEx_CRSConfig()
- (++) Enable RCC_IRQn (thanks to NVIC functions)
- (++) Enable CRS interrupt (@ref __HAL_RCC_CRS_ENABLE_IT)
- (++) Implement CRS status management in the following user callbacks called from
- HAL_RCCEx_CRS_IRQHandler():
- (+++) @ref HAL_RCCEx_CRS_SyncOkCallback()
- (+++) @ref HAL_RCCEx_CRS_SyncWarnCallback()
- (+++) @ref HAL_RCCEx_CRS_ExpectedSyncCallback()
- (+++) @ref HAL_RCCEx_CRS_ErrorCallback()
-
- (#) To force a SYNC EVENT, user can use the function @ref HAL_RCCEx_CRSSoftwareSynchronizationGenerate().
- This function can be called before calling @ref HAL_RCCEx_CRSConfig (for instance in Systick handler)
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Start automatic synchronization for polling mode
- * @param pInit Pointer on RCC_CRSInitTypeDef structure
- * @retval None
- */
-void HAL_RCCEx_CRSConfig(RCC_CRSInitTypeDef *pInit)
-{
- uint32_t value = 0U;
-
- /* Check the parameters */
- assert_param(IS_RCC_CRS_SYNC_DIV(pInit->Prescaler));
- assert_param(IS_RCC_CRS_SYNC_SOURCE(pInit->Source));
- assert_param(IS_RCC_CRS_SYNC_POLARITY(pInit->Polarity));
- assert_param(IS_RCC_CRS_RELOADVALUE(pInit->ReloadValue));
- assert_param(IS_RCC_CRS_ERRORLIMIT(pInit->ErrorLimitValue));
- assert_param(IS_RCC_CRS_HSI48CALIBRATION(pInit->HSI48CalibrationValue));
-
- /* CONFIGURATION */
-
- /* Before configuration, reset CRS registers to their default values*/
- __HAL_RCC_CRS_FORCE_RESET();
- __HAL_RCC_CRS_RELEASE_RESET();
-
- /* Set the SYNCDIV[2:0] bits according to Prescaler value */
- /* Set the SYNCSRC[1:0] bits according to Source value */
- /* Set the SYNCSPOL bit according to Polarity value */
- value = (pInit->Prescaler | pInit->Source | pInit->Polarity);
- /* Set the RELOAD[15:0] bits according to ReloadValue value */
- value |= pInit->ReloadValue;
- /* Set the FELIM[7:0] bits according to ErrorLimitValue value */
- value |= (pInit->ErrorLimitValue << CRS_CFGR_FELIM_BITNUMBER);
- WRITE_REG(CRS->CFGR, value);
-
- /* Adjust HSI48 oscillator smooth trimming */
- /* Set the TRIM[5:0] bits according to RCC_CRS_HSI48CalibrationValue value */
- MODIFY_REG(CRS->CR, CRS_CR_TRIM, (pInit->HSI48CalibrationValue << CRS_CR_TRIM_BITNUMBER));
-
- /* START AUTOMATIC SYNCHRONIZATION*/
-
- /* Enable Automatic trimming & Frequency error counter */
- SET_BIT(CRS->CR, CRS_CR_AUTOTRIMEN | CRS_CR_CEN);
-}
-
-/**
- * @brief Generate the software synchronization event
- * @retval None
- */
-void HAL_RCCEx_CRSSoftwareSynchronizationGenerate(void)
-{
- SET_BIT(CRS->CR, CRS_CR_SWSYNC);
-}
-
-/**
- * @brief Return synchronization info
- * @param pSynchroInfo Pointer on RCC_CRSSynchroInfoTypeDef structure
- * @retval None
- */
-void HAL_RCCEx_CRSGetSynchronizationInfo(RCC_CRSSynchroInfoTypeDef *pSynchroInfo)
-{
- /* Check the parameter */
- assert_param(pSynchroInfo != NULL);
-
- /* Get the reload value */
- pSynchroInfo->ReloadValue = (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_RELOAD));
-
- /* Get HSI48 oscillator smooth trimming */
- pSynchroInfo->HSI48CalibrationValue = (uint32_t)(READ_BIT(CRS->CR, CRS_CR_TRIM) >> CRS_CR_TRIM_BITNUMBER);
-
- /* Get Frequency error capture */
- pSynchroInfo->FreqErrorCapture = (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FECAP) >> CRS_ISR_FECAP_BITNUMBER);
-
- /* Get Frequency error direction */
- pSynchroInfo->FreqErrorDirection = (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FEDIR));
-}
-
-/**
-* @brief Wait for CRS Synchronization status.
-* @param Timeout Duration of the timeout
-* @note Timeout is based on the maximum time to receive a SYNC event based on synchronization
-* frequency.
-* @note If Timeout set to HAL_MAX_DELAY, HAL_TIMEOUT will be never returned.
-* @retval Combination of Synchronization status
-* This parameter can be a combination of the following values:
-* @arg @ref RCC_CRS_TIMEOUT
-* @arg @ref RCC_CRS_SYNCOK
-* @arg @ref RCC_CRS_SYNCWARN
-* @arg @ref RCC_CRS_SYNCERR
-* @arg @ref RCC_CRS_SYNCMISS
-* @arg @ref RCC_CRS_TRIMOVF
-*/
-uint32_t HAL_RCCEx_CRSWaitSynchronization(uint32_t Timeout)
-{
- uint32_t crsstatus = RCC_CRS_NONE;
- uint32_t tickstart = 0U;
-
- /* Get timeout */
- tickstart = HAL_GetTick();
-
- /* Wait for CRS flag or timeout detection */
- do
- {
- if(Timeout != HAL_MAX_DELAY)
- {
- if((Timeout == 0U) || ((HAL_GetTick() - tickstart) > Timeout))
- {
- crsstatus = RCC_CRS_TIMEOUT;
- }
- }
- /* Check CRS SYNCOK flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCOK))
- {
- /* CRS SYNC event OK */
- crsstatus |= RCC_CRS_SYNCOK;
-
- /* Clear CRS SYNC event OK bit */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCOK);
- }
-
- /* Check CRS SYNCWARN flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCWARN))
- {
- /* CRS SYNC warning */
- crsstatus |= RCC_CRS_SYNCWARN;
-
- /* Clear CRS SYNCWARN bit */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCWARN);
- }
-
- /* Check CRS TRIM overflow flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_TRIMOVF))
- {
- /* CRS SYNC Error */
- crsstatus |= RCC_CRS_TRIMOVF;
-
- /* Clear CRS Error bit */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_TRIMOVF);
- }
-
- /* Check CRS Error flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCERR))
- {
- /* CRS SYNC Error */
- crsstatus |= RCC_CRS_SYNCERR;
-
- /* Clear CRS Error bit */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCERR);
- }
-
- /* Check CRS SYNC Missed flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCMISS))
- {
- /* CRS SYNC Missed */
- crsstatus |= RCC_CRS_SYNCMISS;
-
- /* Clear CRS SYNC Missed bit */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCMISS);
- }
-
- /* Check CRS Expected SYNC flag */
- if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_ESYNC))
- {
- /* frequency error counter reached a zero value */
- __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_ESYNC);
- }
- } while(RCC_CRS_NONE == crsstatus);
-
- return crsstatus;
-}
-
-/**
- * @brief Handle the Clock Recovery System interrupt request.
- * @retval None
- */
-void HAL_RCCEx_CRS_IRQHandler(void)
-{
- uint32_t crserror = RCC_CRS_NONE;
- /* Get current IT flags and IT sources values */
- uint32_t itflags = READ_REG(CRS->ISR);
- uint32_t itsources = READ_REG(CRS->CR);
-
- /* Check CRS SYNCOK flag */
- if(((itflags & RCC_CRS_FLAG_SYNCOK) != RESET) && ((itsources & RCC_CRS_IT_SYNCOK) != RESET))
- {
- /* Clear CRS SYNC event OK flag */
- WRITE_REG(CRS->ICR, CRS_ICR_SYNCOKC);
-
- /* user callback */
- HAL_RCCEx_CRS_SyncOkCallback();
- }
- /* Check CRS SYNCWARN flag */
- else if(((itflags & RCC_CRS_FLAG_SYNCWARN) != RESET) && ((itsources & RCC_CRS_IT_SYNCWARN) != RESET))
- {
- /* Clear CRS SYNCWARN flag */
- WRITE_REG(CRS->ICR, CRS_ICR_SYNCWARNC);
-
- /* user callback */
- HAL_RCCEx_CRS_SyncWarnCallback();
- }
- /* Check CRS Expected SYNC flag */
- else if(((itflags & RCC_CRS_FLAG_ESYNC) != RESET) && ((itsources & RCC_CRS_IT_ESYNC) != RESET))
- {
- /* frequency error counter reached a zero value */
- WRITE_REG(CRS->ICR, CRS_ICR_ESYNCC);
-
- /* user callback */
- HAL_RCCEx_CRS_ExpectedSyncCallback();
- }
- /* Check CRS Error flags */
- else
- {
- if(((itflags & RCC_CRS_FLAG_ERR) != RESET) && ((itsources & RCC_CRS_IT_ERR) != RESET))
- {
- if((itflags & RCC_CRS_FLAG_SYNCERR) != RESET)
- {
- crserror |= RCC_CRS_SYNCERR;
- }
- if((itflags & RCC_CRS_FLAG_SYNCMISS) != RESET)
- {
- crserror |= RCC_CRS_SYNCMISS;
- }
- if((itflags & RCC_CRS_FLAG_TRIMOVF) != RESET)
- {
- crserror |= RCC_CRS_TRIMOVF;
- }
-
- /* Clear CRS Error flags */
- WRITE_REG(CRS->ICR, CRS_ICR_ERRC);
-
- /* user error callback */
- HAL_RCCEx_CRS_ErrorCallback(crserror);
- }
- }
-}
-
-/**
- * @brief RCCEx Clock Recovery System SYNCOK interrupt callback.
- * @retval none
- */
-__weak void HAL_RCCEx_CRS_SyncOkCallback(void)
-{
- /* NOTE : This function should not be modified, when the callback is needed,
- the @ref HAL_RCCEx_CRS_SyncOkCallback should be implemented in the user file
- */
-}
-
-/**
- * @brief RCCEx Clock Recovery System SYNCWARN interrupt callback.
- * @retval none
- */
-__weak void HAL_RCCEx_CRS_SyncWarnCallback(void)
-{
- /* NOTE : This function should not be modified, when the callback is needed,
- the @ref HAL_RCCEx_CRS_SyncWarnCallback should be implemented in the user file
- */
-}
-
-/**
- * @brief RCCEx Clock Recovery System Expected SYNC interrupt callback.
- * @retval none
- */
-__weak void HAL_RCCEx_CRS_ExpectedSyncCallback(void)
-{
- /* NOTE : This function should not be modified, when the callback is needed,
- the @ref HAL_RCCEx_CRS_ExpectedSyncCallback should be implemented in the user file
- */
-}
-
-/**
- * @brief RCCEx Clock Recovery System Error interrupt callback.
- * @param Error Combination of Error status.
- * This parameter can be a combination of the following values:
- * @arg @ref RCC_CRS_SYNCERR
- * @arg @ref RCC_CRS_SYNCMISS
- * @arg @ref RCC_CRS_TRIMOVF
- * @retval none
- */
-__weak void HAL_RCCEx_CRS_ErrorCallback(uint32_t Error)
-{
- /* Prevent unused argument(s) compilation warning */
- UNUSED(Error);
-
- /* NOTE : This function should not be modified, when the callback is needed,
- the @ref HAL_RCCEx_CRS_ErrorCallback should be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-#endif /* CRS */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* HAL_RCC_MODULE_ENABLED */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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