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Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
Diff: targets/TARGET_STM/TARGET_STM32L1/device/stm32l1xx_ll_rcc.h
- Revision:
- 149:156823d33999
- Child:
- 184:08ed48f1de7f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32L1/device/stm32l1xx_ll_rcc.h Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,1831 @@
+/**
+ ******************************************************************************
+ * @file stm32l1xx_ll_rcc.h
+ * @author MCD Application Team
+ * @version V1.2.0
+ * @date 01-July-2016
+ * @brief Header file of RCC LL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2016 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.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L1xx_LL_RCC_H
+#define __STM32L1xx_LL_RCC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l1xx.h"
+
+/** @addtogroup STM32L1xx_LL_Driver
+ * @{
+ */
+
+#if defined(RCC)
+
+/** @defgroup RCC_LL RCC
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/** @defgroup RCC_LL_Private_Variables RCC Private Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/* Private constants ---------------------------------------------------------*/
+/** @defgroup RCC_LL_Private_Constants RCC Private Constants
+ * @{
+ */
+/* Defines used for the bit position in the register and perform offsets*/
+#define RCC_POSITION_HPRE (uint32_t)POSITION_VAL(RCC_CFGR_HPRE) /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_PPRE1 (uint32_t)POSITION_VAL(RCC_CFGR_PPRE1) /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_PPRE2 (uint32_t)POSITION_VAL(RCC_CFGR_PPRE2) /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_HSICAL (uint32_t)POSITION_VAL(RCC_ICSCR_HSICAL) /*!< field position in register RCC_ICSCR */
+#define RCC_POSITION_HSITRIM (uint32_t)POSITION_VAL(RCC_ICSCR_HSITRIM) /*!< field position in register RCC_ICSCR */
+#define RCC_POSITION_MSICAL (uint32_t)POSITION_VAL(RCC_ICSCR_MSICAL) /*!< field position in register RCC_ICSCR */
+#define RCC_POSITION_MSITRIM (uint32_t)POSITION_VAL(RCC_ICSCR_MSITRIM) /*!< field position in register RCC_ICSCR */
+#define RCC_POSITION_MSIRANGE (uint32_t)POSITION_VAL(RCC_ICSCR_MSIRANGE) /*!< field position in register RCC_ICSCR */
+#define RCC_POSITION_PLLMUL (uint32_t)POSITION_VAL(RCC_CFGR_PLLMUL) /*!< field position in register RCC_CFGR */
+#define RCC_POSITION_PLLDIV (uint32_t)POSITION_VAL(RCC_CFGR_PLLDIV) /*!< field position in register RCC_CFGR */
+
+/**
+ * @}
+ */
+
+/* Private macros ------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_Exported_Types RCC Exported Types
+ * @{
+ */
+
+/** @defgroup LL_ES_CLOCK_FREQ Clocks Frequency Structure
+ * @{
+ */
+
+/**
+ * @brief RCC Clocks Frequency Structure
+ */
+typedef struct
+{
+ uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency */
+ uint32_t HCLK_Frequency; /*!< HCLK clock frequency */
+ uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency */
+ uint32_t PCLK2_Frequency; /*!< PCLK2 clock frequency */
+} LL_RCC_ClocksTypeDef;
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Constants RCC Exported Constants
+ * @{
+ */
+
+/** @defgroup RCC_LL_EC_OSC_VALUES Oscillator Values adaptation
+ * @brief Defines used to adapt values of different oscillators
+ * @note These values could be modified in the user environment according to
+ * HW set-up.
+ * @{
+ */
+#if !defined (HSE_VALUE)
+#define HSE_VALUE ((uint32_t)8000000U) /*!< Value of the HSE oscillator in Hz */
+#endif /* HSE_VALUE */
+
+#if !defined (HSI_VALUE)
+#define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the HSI oscillator in Hz */
+#endif /* HSI_VALUE */
+
+#if !defined (LSE_VALUE)
+#define LSE_VALUE ((uint32_t)32768U) /*!< Value of the LSE oscillator in Hz */
+#endif /* LSE_VALUE */
+
+#if !defined (LSI_VALUE)
+#define LSI_VALUE ((uint32_t)32000U) /*!< Value of the LSI oscillator in Hz */
+#endif /* LSI_VALUE */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines
+ * @brief Flags defines which can be used with LL_RCC_WriteReg function
+ * @{
+ */
+#define LL_RCC_CIR_LSIRDYC RCC_CIR_LSIRDYC /*!< LSI Ready Interrupt Clear */
+#define LL_RCC_CIR_LSERDYC RCC_CIR_LSERDYC /*!< LSE Ready Interrupt Clear */
+#define LL_RCC_CIR_HSIRDYC RCC_CIR_HSIRDYC /*!< HSI Ready Interrupt Clear */
+#define LL_RCC_CIR_HSERDYC RCC_CIR_HSERDYC /*!< HSE Ready Interrupt Clear */
+#define LL_RCC_CIR_PLLRDYC RCC_CIR_PLLRDYC /*!< PLL Ready Interrupt Clear */
+#define LL_RCC_CIR_MSIRDYC RCC_CIR_MSIRDYC /*!< MSI Ready Interrupt Clear */
+#if defined(RCC_LSECSS_SUPPORT)
+#define LL_RCC_CIR_LSECSSC RCC_CIR_LSECSSC /*!< LSE Clock Security System Interrupt Clear */
+#endif /* RCC_LSECSS_SUPPORT */
+#define LL_RCC_CIR_CSSC RCC_CIR_CSSC /*!< Clock Security System Interrupt Clear */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_GET_FLAG Get Flags Defines
+ * @brief Flags defines which can be used with LL_RCC_ReadReg function
+ * @{
+ */
+#define LL_RCC_CIR_LSIRDYF RCC_CIR_LSIRDYF /*!< LSI Ready Interrupt flag */
+#define LL_RCC_CIR_LSERDYF RCC_CIR_LSERDYF /*!< LSE Ready Interrupt flag */
+#define LL_RCC_CIR_HSIRDYF RCC_CIR_HSIRDYF /*!< HSI Ready Interrupt flag */
+#define LL_RCC_CIR_HSERDYF RCC_CIR_HSERDYF /*!< HSE Ready Interrupt flag */
+#define LL_RCC_CIR_PLLRDYF RCC_CIR_PLLRDYF /*!< PLL Ready Interrupt flag */
+#define LL_RCC_CIR_MSIRDYF RCC_CIR_MSIRDYF /*!< MSI Ready Interrupt flag */
+#if defined(RCC_LSECSS_SUPPORT)
+#define LL_RCC_CIR_LSECSSF RCC_CIR_LSECSSF /*!< LSE Clock Security System Interrupt flag */
+#endif /* RCC_LSECSS_SUPPORT */
+#define LL_RCC_CIR_CSSF RCC_CIR_CSSF /*!< Clock Security System Interrupt flag */
+#define LL_RCC_CSR_OBLRSTF RCC_CSR_OBLRSTF /*!< OBL reset flag */
+#define LL_RCC_CSR_PINRSTF RCC_CSR_PINRSTF /*!< PIN reset flag */
+#define LL_RCC_CSR_PORRSTF RCC_CSR_PORRSTF /*!< POR/PDR reset flag */
+#define LL_RCC_CSR_SFTRSTF RCC_CSR_SFTRSTF /*!< Software Reset flag */
+#define LL_RCC_CSR_IWDGRSTF RCC_CSR_IWDGRSTF /*!< Independent Watchdog reset flag */
+#define LL_RCC_CSR_WWDGRSTF RCC_CSR_WWDGRSTF /*!< Window watchdog reset flag */
+#define LL_RCC_CSR_LPWRRSTF RCC_CSR_LPWRRSTF /*!< Low-Power reset flag */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_IT IT Defines
+ * @brief IT defines which can be used with LL_RCC_ReadReg and LL_RCC_WriteReg functions
+ * @{
+ */
+#define LL_RCC_CIR_LSIRDYIE RCC_CIR_LSIRDYIE /*!< LSI Ready Interrupt Enable */
+#define LL_RCC_CIR_LSERDYIE RCC_CIR_LSERDYIE /*!< LSE Ready Interrupt Enable */
+#define LL_RCC_CIR_HSIRDYIE RCC_CIR_HSIRDYIE /*!< HSI Ready Interrupt Enable */
+#define LL_RCC_CIR_HSERDYIE RCC_CIR_HSERDYIE /*!< HSE Ready Interrupt Enable */
+#define LL_RCC_CIR_PLLRDYIE RCC_CIR_PLLRDYIE /*!< PLL Ready Interrupt Enable */
+#define LL_RCC_CIR_MSIRDYIE RCC_CIR_MSIRDYIE /*!< MSI Ready Interrupt Enable */
+#if defined(RCC_LSECSS_SUPPORT)
+#define LL_RCC_CIR_LSECSSIE RCC_CIR_LSECSSIE /*!< LSE CSS Interrupt Enable */
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_RTC_HSE_DIV RTC HSE Prescaler
+ * @{
+ */
+#define LL_RCC_RTC_HSE_DIV_2 (uint32_t)0x00000000U/*!< HSE is divided by 2 for RTC clock */
+#define LL_RCC_RTC_HSE_DIV_4 RCC_CR_RTCPRE_0 /*!< HSE is divided by 4 for RTC clock */
+#define LL_RCC_RTC_HSE_DIV_8 RCC_CR_RTCPRE_1 /*!< HSE is divided by 8 for RTC clock */
+#define LL_RCC_RTC_HSE_DIV_16 RCC_CR_RTCPRE /*!< HSE is divided by 16 for RTC clock */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_MSIRANGE MSI clock ranges
+ * @{
+ */
+#define LL_RCC_MSIRANGE_0 RCC_ICSCR_MSIRANGE_0 /*!< MSI = 65.536 KHz */
+#define LL_RCC_MSIRANGE_1 RCC_ICSCR_MSIRANGE_1 /*!< MSI = 131.072 KHz*/
+#define LL_RCC_MSIRANGE_2 RCC_ICSCR_MSIRANGE_2 /*!< MSI = 262.144 KHz */
+#define LL_RCC_MSIRANGE_3 RCC_ICSCR_MSIRANGE_3 /*!< MSI = 524.288 KHz */
+#define LL_RCC_MSIRANGE_4 RCC_ICSCR_MSIRANGE_4 /*!< MSI = 1.048 MHz */
+#define LL_RCC_MSIRANGE_5 RCC_ICSCR_MSIRANGE_5 /*!< MSI = 2.097 MHz */
+#define LL_RCC_MSIRANGE_6 RCC_ICSCR_MSIRANGE_6 /*!< MSI = 4.194 MHz */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_SYS_CLKSOURCE System clock switch
+ * @{
+ */
+#define LL_RCC_SYS_CLKSOURCE_MSI RCC_CFGR_SW_MSI /*!< MSI selection as system clock */
+#define LL_RCC_SYS_CLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selection as system clock */
+#define LL_RCC_SYS_CLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selection as system clock */
+#define LL_RCC_SYS_CLKSOURCE_PLL RCC_CFGR_SW_PLL /*!< PLL selection as system clock */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_SYS_CLKSOURCE_STATUS System clock switch status
+ * @{
+ */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_MSI RCC_CFGR_SWS_MSI /*!< MSI used as system clock */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
+#define LL_RCC_SYS_CLKSOURCE_STATUS_PLL RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_SYSCLK_DIV AHB prescaler
+ * @{
+ */
+#define LL_RCC_SYSCLK_DIV_1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */
+#define LL_RCC_SYSCLK_DIV_2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */
+#define LL_RCC_SYSCLK_DIV_4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */
+#define LL_RCC_SYSCLK_DIV_8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */
+#define LL_RCC_SYSCLK_DIV_16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */
+#define LL_RCC_SYSCLK_DIV_64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */
+#define LL_RCC_SYSCLK_DIV_128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
+#define LL_RCC_SYSCLK_DIV_256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
+#define LL_RCC_SYSCLK_DIV_512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_APB1_DIV APB low-speed prescaler (APB1)
+ * @{
+ */
+#define LL_RCC_APB1_DIV_1 RCC_CFGR_PPRE1_DIV1 /*!< HCLK not divided */
+#define LL_RCC_APB1_DIV_2 RCC_CFGR_PPRE1_DIV2 /*!< HCLK divided by 2 */
+#define LL_RCC_APB1_DIV_4 RCC_CFGR_PPRE1_DIV4 /*!< HCLK divided by 4 */
+#define LL_RCC_APB1_DIV_8 RCC_CFGR_PPRE1_DIV8 /*!< HCLK divided by 8 */
+#define LL_RCC_APB1_DIV_16 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_APB2_DIV APB high-speed prescaler (APB2)
+ * @{
+ */
+#define LL_RCC_APB2_DIV_1 RCC_CFGR_PPRE2_DIV1 /*!< HCLK not divided */
+#define LL_RCC_APB2_DIV_2 RCC_CFGR_PPRE2_DIV2 /*!< HCLK divided by 2 */
+#define LL_RCC_APB2_DIV_4 RCC_CFGR_PPRE2_DIV4 /*!< HCLK divided by 4 */
+#define LL_RCC_APB2_DIV_8 RCC_CFGR_PPRE2_DIV8 /*!< HCLK divided by 8 */
+#define LL_RCC_APB2_DIV_16 RCC_CFGR_PPRE2_DIV16 /*!< HCLK divided by 16 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_MCO1SOURCE MCO1 SOURCE selection
+ * @{
+ */
+#define LL_RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCOSEL_NOCLOCK /*!< MCO output disabled, no clock on MCO */
+#define LL_RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCOSEL_SYSCLK /*!< SYSCLK selection as MCO source */
+#define LL_RCC_MCO1SOURCE_HSI RCC_CFGR_MCOSEL_HSI /*!< HSI selection as MCO source */
+#define LL_RCC_MCO1SOURCE_MSI RCC_CFGR_MCOSEL_MSI /*!< MSI selection as MCO source */
+#define LL_RCC_MCO1SOURCE_HSE RCC_CFGR_MCOSEL_HSE /*!< HSE selection as MCO source */
+#define LL_RCC_MCO1SOURCE_LSI RCC_CFGR_MCOSEL_LSI /*!< LSI selection as MCO source */
+#define LL_RCC_MCO1SOURCE_LSE RCC_CFGR_MCOSEL_LSE /*!< LSE selection as MCO source */
+#define LL_RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCOSEL_PLL /*!< PLLCLK selection as MCO source */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_MCO1_DIV MCO1 prescaler
+ * @{
+ */
+#define LL_RCC_MCO1_DIV_1 RCC_CFGR_MCOPRE_DIV1 /*!< MCO Clock divided by 1 */
+#define LL_RCC_MCO1_DIV_2 RCC_CFGR_MCOPRE_DIV2 /*!< MCO Clock divided by 2 */
+#define LL_RCC_MCO1_DIV_4 RCC_CFGR_MCOPRE_DIV4 /*!< MCO Clock divided by 4 */
+#define LL_RCC_MCO1_DIV_8 RCC_CFGR_MCOPRE_DIV8 /*!< MCO Clock divided by 8 */
+#define LL_RCC_MCO1_DIV_16 RCC_CFGR_MCOPRE_DIV16 /*!< MCO Clock divided by 16 */
+/**
+ * @}
+ */
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_EC_PERIPH_FREQUENCY Peripheral clock frequency
+ * @{
+ */
+#define LL_RCC_PERIPH_FREQUENCY_NO (uint32_t)0x00000000U /*!< No clock enabled for the peripheral */
+#define LL_RCC_PERIPH_FREQUENCY_NA (uint32_t)0xFFFFFFFFU /*!< Frequency cannot be provided as external clock */
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+
+
+/** @defgroup RCC_LL_EC_RTC_CLKSOURCE RTC clock source selection
+ * @{
+ */
+#define LL_RCC_RTC_CLKSOURCE_NONE (uint32_t)0x00000000U /*!< No clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_LSE RCC_CSR_RTCSEL_LSE /*!< LSE oscillator clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_LSI RCC_CSR_RTCSEL_LSI /*!< LSI oscillator clock used as RTC clock */
+#define LL_RCC_RTC_CLKSOURCE_HSE RCC_CSR_RTCSEL_HSE /*!< HSE oscillator clock divided by a programmable prescaler
+ (selection through @ref LL_RCC_SetRTC_HSEPrescaler function ) */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_PLL_MUL PLL Multiplicator factor
+ * @{
+ */
+#define LL_RCC_PLL_MUL_3 RCC_CFGR_PLLMUL3 /*!< PLL input clock * 3 */
+#define LL_RCC_PLL_MUL_4 RCC_CFGR_PLLMUL4 /*!< PLL input clock * 4 */
+#define LL_RCC_PLL_MUL_6 RCC_CFGR_PLLMUL6 /*!< PLL input clock * 6 */
+#define LL_RCC_PLL_MUL_8 RCC_CFGR_PLLMUL8 /*!< PLL input clock * 8 */
+#define LL_RCC_PLL_MUL_12 RCC_CFGR_PLLMUL12 /*!< PLL input clock * 12 */
+#define LL_RCC_PLL_MUL_16 RCC_CFGR_PLLMUL16 /*!< PLL input clock * 16 */
+#define LL_RCC_PLL_MUL_24 RCC_CFGR_PLLMUL24 /*!< PLL input clock * 24 */
+#define LL_RCC_PLL_MUL_32 RCC_CFGR_PLLMUL32 /*!< PLL input clock * 32 */
+#define LL_RCC_PLL_MUL_48 RCC_CFGR_PLLMUL48 /*!< PLL input clock * 48 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_PLL_DIV PLL division factor
+ * @{
+ */
+#define LL_RCC_PLL_DIV_2 RCC_CFGR_PLLDIV2 /*!< PLL clock output = PLLVCO / 2 */
+#define LL_RCC_PLL_DIV_3 RCC_CFGR_PLLDIV3 /*!< PLL clock output = PLLVCO / 3 */
+#define LL_RCC_PLL_DIV_4 RCC_CFGR_PLLDIV4 /*!< PLL clock output = PLLVCO / 4 */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EC_PLLSOURCE PLL SOURCE
+ * @{
+ */
+#define LL_RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI /*!< HSI clock selected as PLL entry clock source */
+#define LL_RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE /*!< HSE clock selected as PLL entry clock source */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Macros RCC Exported Macros
+ * @{
+ */
+
+/** @defgroup RCC_LL_EM_WRITE_READ Common Write and read registers Macros
+ * @{
+ */
+
+/**
+ * @brief Write a value in RCC register
+ * @param __REG__ Register to be written
+ * @param __VALUE__ Value to be written in the register
+ * @retval None
+ */
+#define LL_RCC_WriteReg(__REG__, __VALUE__) WRITE_REG(RCC->__REG__, (__VALUE__))
+
+/**
+ * @brief Read a value in RCC register
+ * @param __REG__ Register to be read
+ * @retval Register value
+ */
+#define LL_RCC_ReadReg(__REG__) READ_REG(RCC->__REG__)
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EM_CALC_FREQ Calculate frequencies
+ * @{
+ */
+
+/**
+ * @brief Helper macro to calculate the PLLCLK frequency
+ * @note ex: @ref __LL_RCC_CALC_PLLCLK_FREQ (HSE_VALUE,
+ * @ref LL_RCC_PLL_GetMultiplicator (),
+ * @ref LL_RCC_PLL_GetDivider ());
+ * @param __INPUTFREQ__ PLL Input frequency (based on MSI/HSE/HSI)
+ * @param __PLLMUL__ This parameter can be one of the following values:
+ * @arg @ref LL_RCC_PLL_MUL_3
+ * @arg @ref LL_RCC_PLL_MUL_4
+ * @arg @ref LL_RCC_PLL_MUL_6
+ * @arg @ref LL_RCC_PLL_MUL_8
+ * @arg @ref LL_RCC_PLL_MUL_12
+ * @arg @ref LL_RCC_PLL_MUL_16
+ * @arg @ref LL_RCC_PLL_MUL_24
+ * @arg @ref LL_RCC_PLL_MUL_32
+ * @arg @ref LL_RCC_PLL_MUL_48
+ * @param __PLLDIV__ This parameter can be one of the following values:
+ * @arg @ref LL_RCC_PLL_DIV_2
+ * @arg @ref LL_RCC_PLL_DIV_3
+ * @arg @ref LL_RCC_PLL_DIV_4
+ * @retval PLL clock frequency (in Hz)
+ */
+#define __LL_RCC_CALC_PLLCLK_FREQ(__INPUTFREQ__, __PLLMUL__, __PLLDIV__) ((__INPUTFREQ__) * (PLLMulTable[(__PLLMUL__) >> RCC_POSITION_PLLMUL]) / (((__PLLDIV__) >> RCC_POSITION_PLLDIV)+1U))
+
+/**
+ * @brief Helper macro to calculate the HCLK frequency
+ * @note: __AHBPRESCALER__ be retrieved by @ref LL_RCC_GetAHBPrescaler
+ * ex: __LL_RCC_CALC_HCLK_FREQ(LL_RCC_GetAHBPrescaler())
+ * @param __SYSCLKFREQ__ SYSCLK frequency (based on MSI/HSE/HSI/PLLCLK)
+ * @param __AHBPRESCALER__: This parameter can be one of the following values:
+ * @arg @ref LL_RCC_SYSCLK_DIV_1
+ * @arg @ref LL_RCC_SYSCLK_DIV_2
+ * @arg @ref LL_RCC_SYSCLK_DIV_4
+ * @arg @ref LL_RCC_SYSCLK_DIV_8
+ * @arg @ref LL_RCC_SYSCLK_DIV_16
+ * @arg @ref LL_RCC_SYSCLK_DIV_64
+ * @arg @ref LL_RCC_SYSCLK_DIV_128
+ * @arg @ref LL_RCC_SYSCLK_DIV_256
+ * @arg @ref LL_RCC_SYSCLK_DIV_512
+ * @retval HCLK clock frequency (in Hz)
+ */
+#define __LL_RCC_CALC_HCLK_FREQ(__SYSCLKFREQ__, __AHBPRESCALER__) ((__SYSCLKFREQ__) >> AHBPrescTable[((__AHBPRESCALER__) & RCC_CFGR_HPRE) >> RCC_POSITION_HPRE])
+
+/**
+ * @brief Helper macro to calculate the PCLK1 frequency (ABP1)
+ * @note: __APB1PRESCALER__ be retrieved by @ref LL_RCC_GetAPB1Prescaler
+ * ex: __LL_RCC_CALC_PCLK1_FREQ(LL_RCC_GetAPB1Prescaler())
+ * @param __HCLKFREQ__ HCLK frequency
+ * @param __APB1PRESCALER__: This parameter can be one of the following values:
+ * @arg @ref LL_RCC_APB1_DIV_1
+ * @arg @ref LL_RCC_APB1_DIV_2
+ * @arg @ref LL_RCC_APB1_DIV_4
+ * @arg @ref LL_RCC_APB1_DIV_8
+ * @arg @ref LL_RCC_APB1_DIV_16
+ * @retval PCLK1 clock frequency (in Hz)
+ */
+#define __LL_RCC_CALC_PCLK1_FREQ(__HCLKFREQ__, __APB1PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB1PRESCALER__) >> RCC_POSITION_PPRE1])
+
+/**
+ * @brief Helper macro to calculate the PCLK2 frequency (ABP2)
+ * @note: __APB2PRESCALER__ be retrieved by @ref LL_RCC_GetAPB2Prescaler
+ * ex: __LL_RCC_CALC_PCLK2_FREQ(LL_RCC_GetAPB2Prescaler())
+ * @param __HCLKFREQ__ HCLK frequency
+ * @param __APB2PRESCALER__: This parameter can be one of the following values:
+ * @arg @ref LL_RCC_APB2_DIV_1
+ * @arg @ref LL_RCC_APB2_DIV_2
+ * @arg @ref LL_RCC_APB2_DIV_4
+ * @arg @ref LL_RCC_APB2_DIV_8
+ * @arg @ref LL_RCC_APB2_DIV_16
+ * @retval PCLK2 clock frequency (in Hz)
+ */
+#define __LL_RCC_CALC_PCLK2_FREQ(__HCLKFREQ__, __APB2PRESCALER__) ((__HCLKFREQ__) >> APBPrescTable[(__APB2PRESCALER__) >> RCC_POSITION_PPRE2])
+
+/**
+ * @brief Helper macro to calculate the MSI frequency (in Hz)
+ * @note: __MSIRANGE__can be retrieved by @ref LL_RCC_MSI_GetRange
+ * ex: __LL_RCC_CALC_MSI_FREQ(LL_RCC_MSI_GetRange())
+ * @param __MSIRANGE__: This parameter can be one of the following values:
+ * @arg @ref LL_RCC_MSIRANGE_0
+ * @arg @ref LL_RCC_MSIRANGE_1
+ * @arg @ref LL_RCC_MSIRANGE_2
+ * @arg @ref LL_RCC_MSIRANGE_3
+ * @arg @ref LL_RCC_MSIRANGE_4
+ * @arg @ref LL_RCC_MSIRANGE_5
+ * @arg @ref LL_RCC_MSIRANGE_6
+ * @retval MSI clock frequency (in Hz)
+ */
+#define __LL_RCC_CALC_MSI_FREQ(__MSIRANGE__) ((32768U * ( 1U << (((__MSIRANGE__) >> RCC_POSITION_MSIRANGE) + 1U))))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup RCC_LL_Exported_Functions RCC Exported Functions
+ * @{
+ */
+
+/** @defgroup RCC_LL_EF_HSE HSE
+ * @{
+ */
+
+/**
+ * @brief Enable the Clock Security System.
+ * @rmtoll CR CSSON LL_RCC_HSE_EnableCSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_CSSON);
+}
+
+/**
+ * @brief Disable the Clock Security System.
+ * @note Cannot be disabled in HSE is ready (only by hardware)
+ * @rmtoll CR CSSON LL_RCC_HSE_DisableCSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_DisableCSS(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_CSSON);
+}
+
+/**
+ * @brief Enable HSE external oscillator (HSE Bypass)
+ * @rmtoll CR HSEBYP LL_RCC_HSE_EnableBypass
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_EnableBypass(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_HSEBYP);
+}
+
+/**
+ * @brief Disable HSE external oscillator (HSE Bypass)
+ * @rmtoll CR HSEBYP LL_RCC_HSE_DisableBypass
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_DisableBypass(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);
+}
+
+/**
+ * @brief Enable HSE crystal oscillator (HSE ON)
+ * @rmtoll CR HSEON LL_RCC_HSE_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_Enable(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_HSEON);
+}
+
+/**
+ * @brief Disable HSE crystal oscillator (HSE ON)
+ * @rmtoll CR HSEON LL_RCC_HSE_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSE_Disable(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_HSEON);
+}
+
+/**
+ * @brief Check if HSE oscillator Ready
+ * @rmtoll CR HSERDY LL_RCC_HSE_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady(void)
+{
+ return (READ_BIT(RCC->CR, RCC_CR_HSERDY) == (RCC_CR_HSERDY));
+}
+
+/**
+ * @brief Configure the RTC prescaler (divider)
+ * @rmtoll CR RTCPRE LL_RCC_SetRTC_HSEPrescaler
+ * @param Div This parameter can be one of the following values:
+ * @arg @ref LL_RCC_RTC_HSE_DIV_2
+ * @arg @ref LL_RCC_RTC_HSE_DIV_4
+ * @arg @ref LL_RCC_RTC_HSE_DIV_8
+ * @arg @ref LL_RCC_RTC_HSE_DIV_16
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetRTC_HSEPrescaler(uint32_t Div)
+{
+ MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, Div);
+}
+
+/**
+ * @brief Get the RTC divider (prescaler)
+ * @rmtoll CR RTCPRE LL_RCC_GetRTC_HSEPrescaler
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_RTC_HSE_DIV_2
+ * @arg @ref LL_RCC_RTC_HSE_DIV_4
+ * @arg @ref LL_RCC_RTC_HSE_DIV_8
+ * @arg @ref LL_RCC_RTC_HSE_DIV_16
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetRTC_HSEPrescaler(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CR, RCC_CR_RTCPRE));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_HSI HSI
+ * @{
+ */
+
+/**
+ * @brief Enable HSI oscillator
+ * @rmtoll CR HSION LL_RCC_HSI_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSI_Enable(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_HSION);
+}
+
+/**
+ * @brief Disable HSI oscillator
+ * @rmtoll CR HSION LL_RCC_HSI_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSI_Disable(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_HSION);
+}
+
+/**
+ * @brief Check if HSI clock is ready
+ * @rmtoll CR HSIRDY LL_RCC_HSI_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_HSI_IsReady(void)
+{
+ return (READ_BIT(RCC->CR, RCC_CR_HSIRDY) == (RCC_CR_HSIRDY));
+}
+
+/**
+ * @brief Get HSI Calibration value
+ * @note When HSITRIM is written, HSICAL is updated with the sum of
+ * HSITRIM and the factory trim value
+ * @rmtoll ICSCR HSICAL LL_RCC_HSI_GetCalibration
+ * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
+ */
+__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibration(void)
+{
+ return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSICAL) >> RCC_POSITION_HSICAL);
+}
+
+/**
+ * @brief Set HSI Calibration trimming
+ * @note user-programmable trimming value that is added to the HSICAL
+ * @note Default value is 16, which, when added to the HSICAL value,
+ * should trim the HSI to 16 MHz +/- 1 %
+ * @rmtoll ICSCR HSITRIM LL_RCC_HSI_SetCalibTrimming
+ * @param Value between Min_Data = 0x00 and Max_Data = 0x1F
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_HSI_SetCalibTrimming(uint32_t Value)
+{
+ MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, Value << RCC_POSITION_HSITRIM);
+}
+
+/**
+ * @brief Get HSI Calibration trimming
+ * @rmtoll ICSCR HSITRIM LL_RCC_HSI_GetCalibTrimming
+ * @retval Between Min_Data = 0x00 and Max_Data = 0x1F
+ */
+__STATIC_INLINE uint32_t LL_RCC_HSI_GetCalibTrimming(void)
+{
+ return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_HSITRIM) >> RCC_POSITION_HSITRIM);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_LSE LSE
+ * @{
+ */
+
+/**
+ * @brief Enable Low Speed External (LSE) crystal.
+ * @rmtoll CSR LSEON LL_RCC_LSE_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_Enable(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_LSEON);
+}
+
+/**
+ * @brief Disable Low Speed External (LSE) crystal.
+ * @rmtoll CSR LSEON LL_RCC_LSE_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_Disable(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON);
+}
+
+/**
+ * @brief Enable external clock source (LSE bypass).
+ * @rmtoll CSR LSEBYP LL_RCC_LSE_EnableBypass
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_EnableBypass(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_LSEBYP);
+}
+
+/**
+ * @brief Disable external clock source (LSE bypass).
+ * @rmtoll CSR LSEBYP LL_RCC_LSE_DisableBypass
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_DisableBypass(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP);
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Enable Clock security system on LSE.
+ * @rmtoll CSR LSECSSON LL_RCC_LSE_EnableCSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_EnableCSS(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_LSECSSON);
+}
+
+/**
+ * @brief Disable Clock security system on LSE.
+ * @note Clock security system can be disabled only after a LSE
+ * failure detection. In that case it MUST be disabled by software.
+ * @rmtoll CSR LSECSSON LL_RCC_LSE_DisableCSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSE_DisableCSS(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_LSECSSON);
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @brief Check if LSE oscillator Ready
+ * @rmtoll CSR LSERDY LL_RCC_LSE_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_LSERDY) == (RCC_CSR_LSERDY));
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Check if CSS on LSE failure Detection
+ * @rmtoll CSR LSECSSD LL_RCC_LSE_IsCSSDetected
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_LSE_IsCSSDetected(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_LSECSSD) == (RCC_CSR_LSECSSD));
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_LSI LSI
+ * @{
+ */
+
+/**
+ * @brief Enable LSI Oscillator
+ * @rmtoll CSR LSION LL_RCC_LSI_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSI_Enable(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_LSION);
+}
+
+/**
+ * @brief Disable LSI Oscillator
+ * @rmtoll CSR LSION LL_RCC_LSI_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_LSI_Disable(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_LSION);
+}
+
+/**
+ * @brief Check if LSI is Ready
+ * @rmtoll CSR LSIRDY LL_RCC_LSI_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_LSI_IsReady(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_LSIRDY) == (RCC_CSR_LSIRDY));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_MSI MSI
+ * @{
+ */
+
+/**
+ * @brief Enable MSI oscillator
+ * @rmtoll CR MSION LL_RCC_MSI_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_MSI_Enable(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_MSION);
+}
+
+/**
+ * @brief Disable MSI oscillator
+ * @rmtoll CR MSION LL_RCC_MSI_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_MSI_Disable(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_MSION);
+}
+
+/**
+ * @brief Check if MSI oscillator Ready
+ * @rmtoll CR MSIRDY LL_RCC_MSI_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_MSI_IsReady(void)
+{
+ return (READ_BIT(RCC->CR, RCC_CR_MSIRDY) == (RCC_CR_MSIRDY));
+}
+
+/**
+ * @brief Configure the Internal Multi Speed oscillator (MSI) clock range in run mode.
+ * @rmtoll ICSCR MSIRANGE LL_RCC_MSI_SetRange
+ * @param Range This parameter can be one of the following values:
+ * @arg @ref LL_RCC_MSIRANGE_0
+ * @arg @ref LL_RCC_MSIRANGE_1
+ * @arg @ref LL_RCC_MSIRANGE_2
+ * @arg @ref LL_RCC_MSIRANGE_3
+ * @arg @ref LL_RCC_MSIRANGE_4
+ * @arg @ref LL_RCC_MSIRANGE_5
+ * @arg @ref LL_RCC_MSIRANGE_6
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_MSI_SetRange(uint32_t Range)
+{
+ MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSIRANGE, Range);
+}
+
+/**
+ * @brief Get the Internal Multi Speed oscillator (MSI) clock range in run mode.
+ * @rmtoll ICSCR MSIRANGE LL_RCC_MSI_GetRange
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_MSIRANGE_0
+ * @arg @ref LL_RCC_MSIRANGE_1
+ * @arg @ref LL_RCC_MSIRANGE_2
+ * @arg @ref LL_RCC_MSIRANGE_3
+ * @arg @ref LL_RCC_MSIRANGE_4
+ * @arg @ref LL_RCC_MSIRANGE_5
+ * @arg @ref LL_RCC_MSIRANGE_6
+ */
+__STATIC_INLINE uint32_t LL_RCC_MSI_GetRange(void)
+{
+ return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSIRANGE));
+}
+
+/**
+ * @brief Get MSI Calibration value
+ * @note When MSITRIM is written, MSICAL is updated with the sum of
+ * MSITRIM and the factory trim value
+ * @rmtoll ICSCR MSICAL LL_RCC_MSI_GetCalibration
+ * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
+ */
+__STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibration(void)
+{
+ return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSICAL) >> RCC_POSITION_MSICAL);
+}
+
+/**
+ * @brief Set MSI Calibration trimming
+ * @note user-programmable trimming value that is added to the MSICAL
+ * @rmtoll ICSCR MSITRIM LL_RCC_MSI_SetCalibTrimming
+ * @param Value between Min_Data = 0x00 and Max_Data = 0xFF
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_MSI_SetCalibTrimming(uint32_t Value)
+{
+ MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSITRIM, Value << RCC_POSITION_MSITRIM);
+}
+
+/**
+ * @brief Get MSI Calibration trimming
+ * @rmtoll ICSCR MSITRIM LL_RCC_MSI_GetCalibTrimming
+ * @retval Between Min_Data = 0x00 and Max_Data = 0xFF
+ */
+__STATIC_INLINE uint32_t LL_RCC_MSI_GetCalibTrimming(void)
+{
+ return (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSITRIM) >> RCC_POSITION_MSITRIM);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_System System
+ * @{
+ */
+
+/**
+ * @brief Configure the system clock source
+ * @rmtoll CFGR SW LL_RCC_SetSysClkSource
+ * @param Source This parameter can be one of the following values:
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_MSI
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_HSI
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_HSE
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_PLL
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetSysClkSource(uint32_t Source)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, Source);
+}
+
+/**
+ * @brief Get the system clock source
+ * @rmtoll CFGR SWS LL_RCC_GetSysClkSource
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_MSI
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSI
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_HSE
+ * @arg @ref LL_RCC_SYS_CLKSOURCE_STATUS_PLL
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetSysClkSource(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS));
+}
+
+/**
+ * @brief Set AHB prescaler
+ * @rmtoll CFGR HPRE LL_RCC_SetAHBPrescaler
+ * @param Prescaler This parameter can be one of the following values:
+ * @arg @ref LL_RCC_SYSCLK_DIV_1
+ * @arg @ref LL_RCC_SYSCLK_DIV_2
+ * @arg @ref LL_RCC_SYSCLK_DIV_4
+ * @arg @ref LL_RCC_SYSCLK_DIV_8
+ * @arg @ref LL_RCC_SYSCLK_DIV_16
+ * @arg @ref LL_RCC_SYSCLK_DIV_64
+ * @arg @ref LL_RCC_SYSCLK_DIV_128
+ * @arg @ref LL_RCC_SYSCLK_DIV_256
+ * @arg @ref LL_RCC_SYSCLK_DIV_512
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetAHBPrescaler(uint32_t Prescaler)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, Prescaler);
+}
+
+/**
+ * @brief Set APB1 prescaler
+ * @rmtoll CFGR PPRE1 LL_RCC_SetAPB1Prescaler
+ * @param Prescaler This parameter can be one of the following values:
+ * @arg @ref LL_RCC_APB1_DIV_1
+ * @arg @ref LL_RCC_APB1_DIV_2
+ * @arg @ref LL_RCC_APB1_DIV_4
+ * @arg @ref LL_RCC_APB1_DIV_8
+ * @arg @ref LL_RCC_APB1_DIV_16
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetAPB1Prescaler(uint32_t Prescaler)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, Prescaler);
+}
+
+/**
+ * @brief Set APB2 prescaler
+ * @rmtoll CFGR PPRE2 LL_RCC_SetAPB2Prescaler
+ * @param Prescaler This parameter can be one of the following values:
+ * @arg @ref LL_RCC_APB2_DIV_1
+ * @arg @ref LL_RCC_APB2_DIV_2
+ * @arg @ref LL_RCC_APB2_DIV_4
+ * @arg @ref LL_RCC_APB2_DIV_8
+ * @arg @ref LL_RCC_APB2_DIV_16
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetAPB2Prescaler(uint32_t Prescaler)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, Prescaler);
+}
+
+/**
+ * @brief Get AHB prescaler
+ * @rmtoll CFGR HPRE LL_RCC_GetAHBPrescaler
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_SYSCLK_DIV_1
+ * @arg @ref LL_RCC_SYSCLK_DIV_2
+ * @arg @ref LL_RCC_SYSCLK_DIV_4
+ * @arg @ref LL_RCC_SYSCLK_DIV_8
+ * @arg @ref LL_RCC_SYSCLK_DIV_16
+ * @arg @ref LL_RCC_SYSCLK_DIV_64
+ * @arg @ref LL_RCC_SYSCLK_DIV_128
+ * @arg @ref LL_RCC_SYSCLK_DIV_256
+ * @arg @ref LL_RCC_SYSCLK_DIV_512
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetAHBPrescaler(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_HPRE));
+}
+
+/**
+ * @brief Get APB1 prescaler
+ * @rmtoll CFGR PPRE1 LL_RCC_GetAPB1Prescaler
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_APB1_DIV_1
+ * @arg @ref LL_RCC_APB1_DIV_2
+ * @arg @ref LL_RCC_APB1_DIV_4
+ * @arg @ref LL_RCC_APB1_DIV_8
+ * @arg @ref LL_RCC_APB1_DIV_16
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetAPB1Prescaler(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE1));
+}
+
+/**
+ * @brief Get APB2 prescaler
+ * @rmtoll CFGR PPRE2 LL_RCC_GetAPB2Prescaler
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_APB2_DIV_1
+ * @arg @ref LL_RCC_APB2_DIV_2
+ * @arg @ref LL_RCC_APB2_DIV_4
+ * @arg @ref LL_RCC_APB2_DIV_8
+ * @arg @ref LL_RCC_APB2_DIV_16
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetAPB2Prescaler(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PPRE2));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_MCO MCO
+ * @{
+ */
+
+/**
+ * @brief Configure MCOx
+ * @rmtoll CFGR MCOSEL LL_RCC_ConfigMCO\n
+ * CFGR MCOPRE LL_RCC_ConfigMCO
+ * @param MCOxSource This parameter can be one of the following values:
+ * @arg @ref LL_RCC_MCO1SOURCE_NOCLOCK
+ * @arg @ref LL_RCC_MCO1SOURCE_SYSCLK
+ * @arg @ref LL_RCC_MCO1SOURCE_HSI
+ * @arg @ref LL_RCC_MCO1SOURCE_MSI
+ * @arg @ref LL_RCC_MCO1SOURCE_HSE
+ * @arg @ref LL_RCC_MCO1SOURCE_PLLCLK
+ * @arg @ref LL_RCC_MCO1SOURCE_LSI
+ * @arg @ref LL_RCC_MCO1SOURCE_LSE
+ * @param MCOxPrescaler This parameter can be one of the following values:
+ * @arg @ref LL_RCC_MCO1_DIV_1
+ * @arg @ref LL_RCC_MCO1_DIV_2
+ * @arg @ref LL_RCC_MCO1_DIV_4
+ * @arg @ref LL_RCC_MCO1_DIV_8
+ * @arg @ref LL_RCC_MCO1_DIV_16
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ConfigMCO(uint32_t MCOxSource, uint32_t MCOxPrescaler)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE, MCOxSource | MCOxPrescaler);
+}
+
+/**
+ * @}
+ */
+
+
+
+/** @defgroup RCC_LL_EF_RTC RTC
+ * @{
+ */
+
+/**
+ * @brief Set RTC Clock Source
+ * @note Once the RTC clock source has been selected, it cannot be changed any more unless
+ * the Backup domain is reset, or unless a failure is detected on LSE (LSECSSD is
+ * set). The RTCRST bit can be used to reset them.
+ * @rmtoll CSR RTCSEL LL_RCC_SetRTCClockSource
+ * @param Source This parameter can be one of the following values:
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_SetRTCClockSource(uint32_t Source)
+{
+ MODIFY_REG(RCC->CSR, RCC_CSR_RTCSEL, Source);
+}
+
+/**
+ * @brief Get RTC Clock Source
+ * @rmtoll CSR RTCSEL LL_RCC_GetRTCClockSource
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_NONE
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_LSE
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_LSI
+ * @arg @ref LL_RCC_RTC_CLKSOURCE_HSE
+ */
+__STATIC_INLINE uint32_t LL_RCC_GetRTCClockSource(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_RTCSEL));
+}
+
+/**
+ * @brief Enable RTC
+ * @rmtoll CSR RTCEN LL_RCC_EnableRTC
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableRTC(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_RTCEN);
+}
+
+/**
+ * @brief Disable RTC
+ * @rmtoll CSR RTCEN LL_RCC_DisableRTC
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableRTC(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_RTCEN);
+}
+
+/**
+ * @brief Check if RTC has been enabled or not
+ * @rmtoll CSR RTCEN LL_RCC_IsEnabledRTC
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledRTC(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_RTCEN) == (RCC_CSR_RTCEN));
+}
+
+/**
+ * @brief Force the Backup domain reset
+ * @rmtoll CSR RTCRST LL_RCC_ForceBackupDomainReset
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ForceBackupDomainReset(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_RTCRST);
+}
+
+/**
+ * @brief Release the Backup domain reset
+ * @rmtoll CSR RTCRST LL_RCC_ReleaseBackupDomainReset
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ReleaseBackupDomainReset(void)
+{
+ CLEAR_BIT(RCC->CSR, RCC_CSR_RTCRST);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_PLL PLL
+ * @{
+ */
+
+/**
+ * @brief Enable PLL
+ * @rmtoll CR PLLON LL_RCC_PLL_Enable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_PLL_Enable(void)
+{
+ SET_BIT(RCC->CR, RCC_CR_PLLON);
+}
+
+/**
+ * @brief Disable PLL
+ * @note Cannot be disabled if the PLL clock is used as the system clock
+ * @rmtoll CR PLLON LL_RCC_PLL_Disable
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_PLL_Disable(void)
+{
+ CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
+}
+
+/**
+ * @brief Check if PLL Ready
+ * @rmtoll CR PLLRDY LL_RCC_PLL_IsReady
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady(void)
+{
+ return (READ_BIT(RCC->CR, RCC_CR_PLLRDY) == (RCC_CR_PLLRDY));
+}
+
+/**
+ * @brief Configure PLL used for SYSCLK Domain
+ * @rmtoll CFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS\n
+ * CFGR PLLMUL LL_RCC_PLL_ConfigDomain_SYS\n
+ * CFGR PLLDIV LL_RCC_PLL_ConfigDomain_SYS
+ * @param Source This parameter can be one of the following values:
+ * @arg @ref LL_RCC_PLLSOURCE_HSI
+ * @arg @ref LL_RCC_PLLSOURCE_HSE
+ * @param PLLMul This parameter can be one of the following values:
+ * @arg @ref LL_RCC_PLL_MUL_3
+ * @arg @ref LL_RCC_PLL_MUL_4
+ * @arg @ref LL_RCC_PLL_MUL_6
+ * @arg @ref LL_RCC_PLL_MUL_8
+ * @arg @ref LL_RCC_PLL_MUL_12
+ * @arg @ref LL_RCC_PLL_MUL_16
+ * @arg @ref LL_RCC_PLL_MUL_24
+ * @arg @ref LL_RCC_PLL_MUL_32
+ * @arg @ref LL_RCC_PLL_MUL_48
+ * @param PLLDiv This parameter can be one of the following values:
+ * @arg @ref LL_RCC_PLL_DIV_2
+ * @arg @ref LL_RCC_PLL_DIV_3
+ * @arg @ref LL_RCC_PLL_DIV_4
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS(uint32_t Source, uint32_t PLLMul, uint32_t PLLDiv)
+{
+ MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLSRC | RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV, Source | PLLMul | PLLDiv);
+}
+
+/**
+ * @brief Get the oscillator used as PLL clock source.
+ * @rmtoll CFGR PLLSRC LL_RCC_PLL_GetMainSource
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_PLLSOURCE_HSI
+ * @arg @ref LL_RCC_PLLSOURCE_HSE
+ */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC));
+}
+
+/**
+ * @brief Get PLL multiplication Factor
+ * @rmtoll CFGR PLLMUL LL_RCC_PLL_GetMultiplicator
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_PLL_MUL_3
+ * @arg @ref LL_RCC_PLL_MUL_4
+ * @arg @ref LL_RCC_PLL_MUL_6
+ * @arg @ref LL_RCC_PLL_MUL_8
+ * @arg @ref LL_RCC_PLL_MUL_12
+ * @arg @ref LL_RCC_PLL_MUL_16
+ * @arg @ref LL_RCC_PLL_MUL_24
+ * @arg @ref LL_RCC_PLL_MUL_32
+ * @arg @ref LL_RCC_PLL_MUL_48
+ */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetMultiplicator(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLMUL));
+}
+
+/**
+ * @brief Get Division factor for the main PLL and other PLL
+ * @rmtoll CFGR PLLDIV LL_RCC_PLL_GetDivider
+ * @retval Returned value can be one of the following values:
+ * @arg @ref LL_RCC_PLL_DIV_2
+ * @arg @ref LL_RCC_PLL_DIV_3
+ * @arg @ref LL_RCC_PLL_DIV_4
+ */
+__STATIC_INLINE uint32_t LL_RCC_PLL_GetDivider(void)
+{
+ return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLDIV));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_FLAG_Management FLAG Management
+ * @{
+ */
+
+/**
+ * @brief Clear LSI ready interrupt flag
+ * @rmtoll CIR LSIRDYC LL_RCC_ClearFlag_LSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC);
+}
+
+/**
+ * @brief Clear LSE ready interrupt flag
+ * @rmtoll CIR LSERDYC LL_RCC_ClearFlag_LSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSERDYC);
+}
+
+/**
+ * @brief Clear MSI ready interrupt flag
+ * @rmtoll CIR MSIRDYC LL_RCC_ClearFlag_MSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_MSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_MSIRDYC);
+}
+
+/**
+ * @brief Clear HSI ready interrupt flag
+ * @rmtoll CIR HSIRDYC LL_RCC_ClearFlag_HSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_HSIRDYC);
+}
+
+/**
+ * @brief Clear HSE ready interrupt flag
+ * @rmtoll CIR HSERDYC LL_RCC_ClearFlag_HSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_HSERDYC);
+}
+
+/**
+ * @brief Clear PLL ready interrupt flag
+ * @rmtoll CIR PLLRDYC LL_RCC_ClearFlag_PLLRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_PLLRDYC);
+}
+
+/**
+ * @brief Clear Clock security system interrupt flag
+ * @rmtoll CIR CSSC LL_RCC_ClearFlag_HSECSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_CSSC);
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Clear LSE Clock security system interrupt flag
+ * @rmtoll CIR LSECSSC LL_RCC_ClearFlag_LSECSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearFlag_LSECSS(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSECSSC);
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @brief Check if LSI ready interrupt occurred or not
+ * @rmtoll CIR LSIRDYF LL_RCC_IsActiveFlag_LSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYF) == (RCC_CIR_LSIRDYF));
+}
+
+/**
+ * @brief Check if LSE ready interrupt occurred or not
+ * @rmtoll CIR LSERDYF LL_RCC_IsActiveFlag_LSERDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSERDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYF) == (RCC_CIR_LSERDYF));
+}
+
+/**
+ * @brief Check if MSI ready interrupt occurred or not
+ * @rmtoll CIR MSIRDYF LL_RCC_IsActiveFlag_MSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_MSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_MSIRDYF) == (RCC_CIR_MSIRDYF));
+}
+
+/**
+ * @brief Check if HSI ready interrupt occurred or not
+ * @rmtoll CIR HSIRDYF LL_RCC_IsActiveFlag_HSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYF) == (RCC_CIR_HSIRDYF));
+}
+
+/**
+ * @brief Check if HSE ready interrupt occurred or not
+ * @rmtoll CIR HSERDYF LL_RCC_IsActiveFlag_HSERDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSERDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYF) == (RCC_CIR_HSERDYF));
+}
+
+/**
+ * @brief Check if PLL ready interrupt occurred or not
+ * @rmtoll CIR PLLRDYF LL_RCC_IsActiveFlag_PLLRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PLLRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYF) == (RCC_CIR_PLLRDYF));
+}
+
+/**
+ * @brief Check if Clock security system interrupt occurred or not
+ * @rmtoll CIR CSSF LL_RCC_IsActiveFlag_HSECSS
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSECSS(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_CSSF) == (RCC_CIR_CSSF));
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Check if LSE Clock security system interrupt occurred or not
+ * @rmtoll CIR LSECSSF LL_RCC_IsActiveFlag_LSECSS
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LSECSS(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSECSSF) == (RCC_CIR_LSECSSF));
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @brief Check if RCC flag Independent Watchdog reset is set or not.
+ * @rmtoll CSR IWDGRSTF LL_RCC_IsActiveFlag_IWDGRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_IWDGRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_IWDGRSTF) == (RCC_CSR_IWDGRSTF));
+}
+
+/**
+ * @brief Check if RCC flag Low Power reset is set or not.
+ * @rmtoll CSR LPWRRSTF LL_RCC_IsActiveFlag_LPWRRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_LPWRRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_LPWRRSTF) == (RCC_CSR_LPWRRSTF));
+}
+
+/**
+ * @brief Check if RCC flag is set or not.
+ * @rmtoll CSR OBLRSTF LL_RCC_IsActiveFlag_OBLRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_OBLRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_OBLRSTF) == (RCC_CSR_OBLRSTF));
+}
+
+/**
+ * @brief Check if RCC flag Pin reset is set or not.
+ * @rmtoll CSR PINRSTF LL_RCC_IsActiveFlag_PINRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PINRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_PINRSTF) == (RCC_CSR_PINRSTF));
+}
+
+/**
+ * @brief Check if RCC flag POR/PDR reset is set or not.
+ * @rmtoll CSR PORRSTF LL_RCC_IsActiveFlag_PORRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_PORRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_PORRSTF) == (RCC_CSR_PORRSTF));
+}
+
+/**
+ * @brief Check if RCC flag Software reset is set or not.
+ * @rmtoll CSR SFTRSTF LL_RCC_IsActiveFlag_SFTRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_SFTRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_SFTRSTF) == (RCC_CSR_SFTRSTF));
+}
+
+/**
+ * @brief Check if RCC flag Window Watchdog reset is set or not.
+ * @rmtoll CSR WWDGRSTF LL_RCC_IsActiveFlag_WWDGRST
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_WWDGRST(void)
+{
+ return (READ_BIT(RCC->CSR, RCC_CSR_WWDGRSTF) == (RCC_CSR_WWDGRSTF));
+}
+
+/**
+ * @brief Set RMVF bit to clear the reset flags.
+ * @rmtoll CSR RMVF LL_RCC_ClearResetFlags
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_ClearResetFlags(void)
+{
+ SET_BIT(RCC->CSR, RCC_CSR_RMVF);
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_IT_Management IT Management
+ * @{
+ */
+
+/**
+ * @brief Enable LSI ready interrupt
+ * @rmtoll CIR LSIRDYIE LL_RCC_EnableIT_LSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
+}
+
+/**
+ * @brief Enable LSE ready interrupt
+ * @rmtoll CIR LSERDYIE LL_RCC_EnableIT_LSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
+}
+
+/**
+ * @brief Enable MSI ready interrupt
+ * @rmtoll CIR MSIRDYIE LL_RCC_EnableIT_MSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_MSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_MSIRDYIE);
+}
+
+/**
+ * @brief Enable HSI ready interrupt
+ * @rmtoll CIR HSIRDYIE LL_RCC_EnableIT_HSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
+}
+
+/**
+ * @brief Enable HSE ready interrupt
+ * @rmtoll CIR HSERDYIE LL_RCC_EnableIT_HSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
+}
+
+/**
+ * @brief Enable PLL ready interrupt
+ * @rmtoll CIR PLLRDYIE LL_RCC_EnableIT_PLLRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Enable LSE clock security system interrupt
+ * @rmtoll CIR LSECSSIE LL_RCC_EnableIT_LSECSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_EnableIT_LSECSS(void)
+{
+ SET_BIT(RCC->CIR, RCC_CIR_LSECSSIE);
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @brief Disable LSI ready interrupt
+ * @rmtoll CIR LSIRDYIE LL_RCC_DisableIT_LSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE);
+}
+
+/**
+ * @brief Disable LSE ready interrupt
+ * @rmtoll CIR LSERDYIE LL_RCC_DisableIT_LSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_LSERDYIE);
+}
+
+/**
+ * @brief Disable MSI ready interrupt
+ * @rmtoll CIR MSIRDYIE LL_RCC_DisableIT_MSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_MSIRDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_MSIRDYIE);
+}
+
+/**
+ * @brief Disable HSI ready interrupt
+ * @rmtoll CIR HSIRDYIE LL_RCC_DisableIT_HSIRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_HSIRDYIE);
+}
+
+/**
+ * @brief Disable HSE ready interrupt
+ * @rmtoll CIR HSERDYIE LL_RCC_DisableIT_HSERDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_HSERDYIE);
+}
+
+/**
+ * @brief Disable PLL ready interrupt
+ * @rmtoll CIR PLLRDYIE LL_RCC_DisableIT_PLLRDY
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_PLLRDYIE);
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Disable LSE clock security system interrupt
+ * @rmtoll CIR LSECSSIE LL_RCC_DisableIT_LSECSS
+ * @retval None
+ */
+__STATIC_INLINE void LL_RCC_DisableIT_LSECSS(void)
+{
+ CLEAR_BIT(RCC->CIR, RCC_CIR_LSECSSIE);
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @brief Checks if LSI ready interrupt source is enabled or disabled.
+ * @rmtoll CIR LSIRDYIE LL_RCC_IsEnabledIT_LSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSIRDYIE) == (RCC_CIR_LSIRDYIE));
+}
+
+/**
+ * @brief Checks if LSE ready interrupt source is enabled or disabled.
+ * @rmtoll CIR LSERDYIE LL_RCC_IsEnabledIT_LSERDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSERDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSERDYIE) == (RCC_CIR_LSERDYIE));
+}
+
+/**
+ * @brief Checks if MSI ready interrupt source is enabled or disabled.
+ * @rmtoll CIR MSIRDYIE LL_RCC_IsEnabledIT_MSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_MSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_MSIRDYIE) == (RCC_CIR_MSIRDYIE));
+}
+
+/**
+ * @brief Checks if HSI ready interrupt source is enabled or disabled.
+ * @rmtoll CIR HSIRDYIE LL_RCC_IsEnabledIT_HSIRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSIRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_HSIRDYIE) == (RCC_CIR_HSIRDYIE));
+}
+
+/**
+ * @brief Checks if HSE ready interrupt source is enabled or disabled.
+ * @rmtoll CIR HSERDYIE LL_RCC_IsEnabledIT_HSERDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSERDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_HSERDYIE) == (RCC_CIR_HSERDYIE));
+}
+
+/**
+ * @brief Checks if PLL ready interrupt source is enabled or disabled.
+ * @rmtoll CIR PLLRDYIE LL_RCC_IsEnabledIT_PLLRDY
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_PLLRDY(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_PLLRDYIE) == (RCC_CIR_PLLRDYIE));
+}
+
+#if defined(RCC_LSECSS_SUPPORT)
+/**
+ * @brief Checks if LSECSS interrupt source is enabled or disabled.
+ * @rmtoll CIR LSECSSIE LL_RCC_IsEnabledIT_LSECSS
+ * @retval State of bit (1 or 0).
+ */
+__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_LSECSS(void)
+{
+ return (READ_BIT(RCC->CIR, RCC_CIR_LSECSSIE) == (RCC_CIR_LSECSSIE));
+}
+
+#endif /* RCC_LSECSS_SUPPORT */
+/**
+ * @}
+ */
+
+#if defined(USE_FULL_LL_DRIVER)
+/** @defgroup RCC_LL_EF_Init De-initialization function
+ * @{
+ */
+ErrorStatus LL_RCC_DeInit(void);
+/**
+ * @}
+ */
+
+/** @defgroup RCC_LL_EF_Get_Freq Get system and peripherals clocks frequency functions
+ * @{
+ */
+void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks);
+/**
+ * @}
+ */
+#endif /* USE_FULL_LL_DRIVER */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* RCC */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L1xx_LL_RCC_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
