The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_NUCLEO_L011K4/TOOLCHAIN_ARM_MICRO/stm32l0xx_ll_rcc.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 167:84c0a372a020
diff -r e95d10626187 -r 3a7713b1edbc TARGET_NUCLEO_L011K4/TOOLCHAIN_ARM_MICRO/stm32l0xx_ll_rcc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_L011K4/TOOLCHAIN_ARM_MICRO/stm32l0xx_ll_rcc.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,2514 @@ +/** + ****************************************************************************** + * @file stm32l0xx_ll_rcc.h + * @author MCD Application Team + * @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 __STM32L0xx_LL_RCC_H +#define __STM32L0xx_LL_RCC_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l0xx.h" + +/** @addtogroup STM32L0xx_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)4U /*!< field position in register RCC_CFGR */ +#define RCC_POSITION_PPRE1 (uint32_t)8U /*!< field position in register RCC_CFGR */ +#define RCC_POSITION_PPRE2 (uint32_t)11U /*!< field position in register RCC_CFGR */ +#define RCC_POSITION_PLLDIV (uint32_t)22U /*!< field position in register RCC_CFGR */ +#define RCC_POSITION_PLLMUL (uint32_t)18U /*!< field position in register RCC_CFGR */ +#define RCC_POSITION_HSICAL (uint32_t)0U /*!< field position in register RCC_ICSCR */ +#define RCC_POSITION_HSITRIM (uint32_t)8U /*!< field position in register RCC_ICSCR */ +#define RCC_POSITION_MSIRANGE (uint32_t)13U /*!< field position in register RCC_ICSCR */ +#define RCC_POSITION_MSICAL (uint32_t)16U /*!< field position in register RCC_ICSCR */ +#define RCC_POSITION_MSITRIM (uint32_t)24U /*!< field position in register RCC_ICSCR */ +#if defined(RCC_HSI48_SUPPORT) +#define RCC_POSITION_HSI48CAL (uint32_t)8U /*!< field position in register RCC_CRRCR */ +#endif /* RCC_HSI48_SUPPORT */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup RCC_LL_Private_Macros RCC Private Macros + * @{ + */ +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ +/* 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)37000U) /*!< Value of the LSI oscillator in Hz */ +#endif /* LSI_VALUE */ +#if defined(RCC_HSI48_SUPPORT) + +#if !defined (HSI48_VALUE) +#define HSI48_VALUE ((uint32_t)48000000U) /*!< Value of the HSI48 oscillator in Hz */ +#endif /* HSI48_VALUE */ +#endif /* RCC_HSI48_SUPPORT */ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_CLEAR_FLAG Clear Flags Defines + * @brief Flags defines which can be used with LL_RCC_WriteReg function + * @{ + */ +#define LL_RCC_CICR_LSIRDYC RCC_CICR_LSIRDYC /*!< LSI Ready Interrupt Clear */ +#define LL_RCC_CICR_LSERDYC RCC_CICR_LSERDYC /*!< LSE Ready Interrupt Clear */ +#define LL_RCC_CICR_HSIRDYC RCC_CICR_HSIRDYC /*!< HSI Ready Interrupt Clear */ +#define LL_RCC_CICR_HSERDYC RCC_CICR_HSERDYC /*!< HSE Ready Interrupt Clear */ +#define LL_RCC_CICR_PLLRDYC RCC_CICR_PLLRDYC /*!< PLL Ready Interrupt Clear */ +#define LL_RCC_CICR_MSIRDYC RCC_CICR_MSIRDYC /*!< MSI Ready Interrupt Clear */ +#if defined(RCC_HSI48_SUPPORT) +#define LL_RCC_CICR_HSI48RDYC RCC_CICR_HSI48RDYC /*!< HSI48 Ready Interrupt Clear */ +#endif /* RCC_HSI48_SUPPORT */ +#define LL_RCC_CICR_LSECSSC RCC_CICR_LSECSSC /*!< LSE Clock Security System Interrupt Clear */ +#define LL_RCC_CICR_CSSC RCC_CICR_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_CIFR_LSIRDYF RCC_CIFR_LSIRDYF /*!< LSI Ready Interrupt flag */ +#define LL_RCC_CIFR_LSERDYF RCC_CIFR_LSERDYF /*!< LSE Ready Interrupt flag */ +#define LL_RCC_CIFR_HSIRDYF RCC_CIFR_HSIRDYF /*!< HSI Ready Interrupt flag */ +#define LL_RCC_CIFR_HSERDYF RCC_CIFR_HSERDYF /*!< HSE Ready Interrupt flag */ +#define LL_RCC_CIFR_PLLRDYF RCC_CIFR_PLLRDYF /*!< PLL Ready Interrupt flag */ +#define LL_RCC_CIFR_MSIRDYF RCC_CIFR_MSIRDYF /*!< MSI Ready Interrupt flag */ +#if defined(RCC_HSI48_SUPPORT) +#define LL_RCC_CIFR_HSI48RDYF RCC_CIFR_HSI48RDYF /*!< HSI48 Ready Interrupt flag */ +#endif /* RCC_HSI48_SUPPORT */ +#define LL_RCC_CIFR_LSECSSF RCC_CIFR_LSECSSF /*!< LSE Clock Security System Interrupt flag */ +#define LL_RCC_CIFR_CSSF RCC_CIFR_CSSF /*!< Clock Security System Interrupt flag */ +#define LL_RCC_CSR_FWRSTF RCC_CSR_FWRSTF /*!< Firewall reset 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_CIER_LSIRDYIE RCC_CIER_LSIRDYIE /*!< LSI Ready Interrupt Enable */ +#define LL_RCC_CIER_LSERDYIE RCC_CIER_LSERDYIE /*!< LSE Ready Interrupt Enable */ +#define LL_RCC_CIER_HSIRDYIE RCC_CIER_HSIRDYIE /*!< HSI Ready Interrupt Enable */ +#define LL_RCC_CIER_HSERDYIE RCC_CIER_HSERDYIE /*!< HSE Ready Interrupt Enable */ +#define LL_RCC_CIER_PLLRDYIE RCC_CIER_PLLRDYIE /*!< PLL Ready Interrupt Enable */ +#define LL_RCC_CIER_MSIRDYIE RCC_CIER_MSIRDYIE /*!< MSI Ready Interrupt Enable */ +#if defined(RCC_HSI48_SUPPORT) +#define LL_RCC_CIER_HSI48RDYIE RCC_CIER_HSI48RDYIE /*!< HSI48 Ready Interrupt Enable */ +#endif /* RCC_HSI48_SUPPORT */ +#define LL_RCC_CIER_LSECSSIE RCC_CIER_LSECSSIE /*!< LSE CSS Interrupt Enable */ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_LSEDRIVE LSE oscillator drive capability + * @{ + */ +#define LL_RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U) /*!< Xtal mode lower driving capability */ +#define LL_RCC_LSEDRIVE_MEDIUMLOW RCC_CSR_LSEDRV_0 /*!< Xtal mode medium low driving capability */ +#define LL_RCC_LSEDRIVE_MEDIUMHIGH RCC_CSR_LSEDRV_1 /*!< Xtal mode medium high driving capability */ +#define LL_RCC_LSEDRIVE_HIGH RCC_CSR_LSEDRV /*!< Xtal mode higher driving capability */ +/** + * @} + */ + +/** @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_STOP_WAKEUPCLOCK Wakeup from Stop and CSS backup clock selection + * @{ + */ +#define LL_RCC_STOP_WAKEUPCLOCK_MSI ((uint32_t)0x00000000U) /*!< MSI selection after wake-up from STOP */ +#define LL_RCC_STOP_WAKEUPCLOCK_HSI RCC_CFGR_STOPWUCK /*!< HSI selection after wake-up from STOP */ +/** + * @} + */ + +/** @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 */ +#if defined(RCC_CFGR_MCOSEL_HSI48) +#define LL_RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCOSEL_HSI48 /*!< HSI48 selection as MCO source */ +#endif /* RCC_CFGR_MCOSEL_HSI48 */ +#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_USART1_CLKSOURCE Peripheral USART clock source selection + * @{ + */ +#if defined(RCC_CCIPR_USART1SEL) +#define LL_RCC_USART1_CLKSOURCE_PCLK2 (uint32_t)((RCC_CCIPR_USART1SEL << 16U) | 0x00000000U) /*!< PCLK2 selected as USART1 clock */ +#define LL_RCC_USART1_CLKSOURCE_SYSCLK (uint32_t)((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_0) /*!< SYSCLK selected as USART1 clock */ +#define LL_RCC_USART1_CLKSOURCE_HSI (uint32_t)((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL_1) /*!< HSI selected as USART1 clock */ +#define LL_RCC_USART1_CLKSOURCE_LSE (uint32_t)((RCC_CCIPR_USART1SEL << 16U) | RCC_CCIPR_USART1SEL) /*!< LSE selected as USART1 clock*/ +#endif /* RCC_CCIPR_USART1SEL */ +#define LL_RCC_USART2_CLKSOURCE_PCLK1 (uint32_t)((RCC_CCIPR_USART2SEL << 16U) | 0x00000000U) /*!< PCLK1 selected as USART2 clock */ +#define LL_RCC_USART2_CLKSOURCE_SYSCLK (uint32_t)((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_0) /*!< SYSCLK selected as USART2 clock */ +#define LL_RCC_USART2_CLKSOURCE_HSI (uint32_t)((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL_1) /*!< HSI selected as USART2 clock */ +#define LL_RCC_USART2_CLKSOURCE_LSE (uint32_t)((RCC_CCIPR_USART2SEL << 16U) | RCC_CCIPR_USART2SEL) /*!< LSE selected as USART2 clock*/ +/** + * @} + */ + + + +/** @defgroup RCC_LL_EC_LPUART1_CLKSOURCE Peripheral LPUART clock source selection + * @{ + */ +#define LL_RCC_LPUART1_CLKSOURCE_PCLK1 (uint32_t)0x00000000U /*!< PCLK1 selected as LPUART1 clock */ +#define LL_RCC_LPUART1_CLKSOURCE_SYSCLK RCC_CCIPR_LPUART1SEL_0 /*!< SYSCLK selected as LPUART1 clock */ +#define LL_RCC_LPUART1_CLKSOURCE_HSI RCC_CCIPR_LPUART1SEL_1 /*!< HSI selected as LPUART1 clock */ +#define LL_RCC_LPUART1_CLKSOURCE_LSE RCC_CCIPR_LPUART1SEL /*!< LSE selected as LPUART1 clock*/ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_I2C1_CLKSOURCE Peripheral I2C clock source selection + * @{ + */ +#define LL_RCC_I2C1_CLKSOURCE_PCLK1 (uint32_t)((RCC_CCIPR_I2C1SEL << 4U) | (0x00000000U >> 4U)) /*!< PCLK1 selected as I2C1 clock */ +#define LL_RCC_I2C1_CLKSOURCE_SYSCLK (uint32_t)((RCC_CCIPR_I2C1SEL << 4U) | (RCC_CCIPR_I2C1SEL_0 >> 4U)) /*!< SYSCLK selected as I2C1 clock */ +#define LL_RCC_I2C1_CLKSOURCE_HSI (uint32_t)((RCC_CCIPR_I2C1SEL << 4U) | (RCC_CCIPR_I2C1SEL_1 >> 4U)) /*!< HSI selected as I2C1 clock */ +#if defined(RCC_CCIPR_I2C3SEL) +#define LL_RCC_I2C3_CLKSOURCE_PCLK1 (uint32_t)((RCC_CCIPR_I2C3SEL << 4U) | (0x00000000U >> 4U)) /*!< PCLK1 selected as I2C3 clock */ +#define LL_RCC_I2C3_CLKSOURCE_SYSCLK (uint32_t)((RCC_CCIPR_I2C3SEL << 4U) | (RCC_CCIPR_I2C3SEL_0 >> 4U)) /*!< SYSCLK selected as I2C3 clock */ +#define LL_RCC_I2C3_CLKSOURCE_HSI (uint32_t)((RCC_CCIPR_I2C3SEL << 4U) | (RCC_CCIPR_I2C3SEL_1 >> 4U)) /*!< HSI selected as I2C3 clock */ +#endif /*RCC_CCIPR_I2C3SEL*/ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_LPTIM1_CLKSOURCE Peripheral LPTIM clock source selection + * @{ + */ +#define LL_RCC_LPTIM1_CLKSOURCE_PCLK1 (uint32_t)(0x00000000U) /*!< PCLK1 selected as LPTIM1 clock */ +#define LL_RCC_LPTIM1_CLKSOURCE_LSI (uint32_t)RCC_CCIPR_LPTIM1SEL_0 /*!< LSI selected as LPTIM1 clock */ +#define LL_RCC_LPTIM1_CLKSOURCE_HSI (uint32_t)RCC_CCIPR_LPTIM1SEL_1 /*!< HSI selected as LPTIM1 clock */ +#define LL_RCC_LPTIM1_CLKSOURCE_LSE (uint32_t)RCC_CCIPR_LPTIM1SEL /*!< LSE selected as LPTIM1 clock*/ +/** + * @} + */ + +#if defined(RCC_CCIPR_HSI48SEL) + +#if defined(RNG) +/** @defgroup RCC_LL_EC_RNG_CLKSOURCE Peripheral RNG clock source selection + * @{ + */ +#define LL_RCC_RNG_CLKSOURCE_PLL (uint32_t)(0x00000000U) /*!< PLL selected as RNG clock */ +#define LL_RCC_RNG_CLKSOURCE_HSI48 (uint32_t)(RCC_CCIPR_HSI48SEL) /*!< HSI48 selected as RNG clock*/ +/** + * @} + */ +#endif /* RNG */ +#if defined(USB) +/** @defgroup RCC_LL_EC_USB_CLKSOURCE Peripheral USB clock source selection + * @{ + */ +#define LL_RCC_USB_CLKSOURCE_PLL (uint32_t)(0x00000000U) /*!< PLL selected as USB clock */ +#define LL_RCC_USB_CLKSOURCE_HSI48 (uint32_t)(RCC_CCIPR_HSI48SEL) /*!< HSI48 selected as USB clock*/ +/** + * @} + */ + +#endif /* USB */ +#endif /* RCC_CCIPR_HSI48SEL */ + + +/** @defgroup RCC_LL_EC_USART1 Peripheral USART get clock source + * @{ + */ +#if defined(RCC_CCIPR_USART1SEL) +#define LL_RCC_USART1_CLKSOURCE RCC_CCIPR_USART1SEL /*!< USART1 clock source selection bits */ +#endif /* RCC_CCIPR_USART1SEL */ +#define LL_RCC_USART2_CLKSOURCE RCC_CCIPR_USART2SEL /*!< USART2 clock source selection bits */ +/** + * @} + */ + + +/** @defgroup RCC_LL_EC_LPUART1 Peripheral LPUART get clock source + * @{ + */ +#define LL_RCC_LPUART1_CLKSOURCE RCC_CCIPR_LPUART1SEL /*!< LPUART1 clock source selection bits */ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_I2C1 Peripheral I2C get clock source + * @{ + */ +#define LL_RCC_I2C1_CLKSOURCE RCC_CCIPR_I2C1SEL /*!< I2C1 clock source selection bits */ +#if defined(RCC_CCIPR_I2C3SEL) +#define LL_RCC_I2C3_CLKSOURCE RCC_CCIPR_I2C3SEL /*!< I2C3 clock source selection bits */ +#endif /*RCC_CCIPR_I2C3SEL*/ +/** + * @} + */ + +/** @defgroup RCC_LL_EC_LPTIM1 Peripheral LPTIM get clock source + * @{ + */ +#define LL_RCC_LPTIM1_CLKSOURCE RCC_CCIPR_LPTIM1SEL /*!< LPTIM1 clock source selection bits */ +/** + * @} + */ + +#if defined(RCC_CCIPR_HSI48SEL) +#if defined(RNG) +/** @defgroup RCC_LL_EC_RNG Peripheral RNG get clock source + * @{ + */ +#define LL_RCC_RNG_CLKSOURCE RCC_CCIPR_HSI48SEL /*!< HSI48 RC clock source selection bit for RNG*/ +/** + * @} + */ +#endif /* RNG */ + +#if defined(USB) +/** @defgroup RCC_LL_EC_USB Peripheral USB get clock source + * @{ + */ +#define LL_RCC_USB_CLKSOURCE RCC_CCIPR_HSI48SEL /*!< HSI48 RC clock source selection bit for USB*/ +/** + * @} + */ + +#endif /* USB */ +#endif /* RCC_CCIPR_HSI48SEL */ + +/** @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 + * @{ + */ + +#if defined(RCC_HSECSS_SUPPORT) +/** + * @brief Enable the Clock Security System. + * @rmtoll CR CSSHSEON LL_RCC_HSE_EnableCSS + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSE_EnableCSS(void) +{ + SET_BIT(RCC->CR, RCC_CR_CSSON); +} +#endif /* RCC_HSECSS_SUPPORT */ + +/** + * @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 Enable HSI even in stop mode + * @note HSI oscillator is forced ON even in Stop mode + * @rmtoll CR HSIKERON LL_RCC_HSI_EnableInStopMode + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_EnableInStopMode(void) +{ + SET_BIT(RCC->CR, RCC_CR_HSIKERON); +} + +/** + * @brief Disable HSI in stop mode + * @rmtoll CR HSIKERON LL_RCC_HSI_DisableInStopMode + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_DisableInStopMode(void) +{ + CLEAR_BIT(RCC->CR, RCC_CR_HSIKERON); +} + +/** + * @brief Enable HSI Divider (it divides by 4) + * @rmtoll CR HSIDIVEN LL_RCC_HSI_EnableDivider + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_EnableDivider(void) +{ + SET_BIT(RCC->CR, RCC_CR_HSIDIVEN); +} + +/** + * @brief Disable HSI Divider (it divides by 4) + * @rmtoll CR HSIDIVEN LL_RCC_HSI_DisableDivider + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_DisableDivider(void) +{ + CLEAR_BIT(RCC->CR, RCC_CR_HSIDIVEN); +} + + + +#if defined(RCC_CR_HSIOUTEN) +/** + * @brief Enable HSI Output + * @rmtoll CR HSIOUTEN LL_RCC_HSI_EnableOutput + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_EnableOutput(void) +{ + SET_BIT(RCC->CR, RCC_CR_HSIOUTEN); +} + +/** + * @brief Disable HSI Output + * @rmtoll CR HSIOUTEN LL_RCC_HSI_DisableOutput + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI_DisableOutput(void) +{ + CLEAR_BIT(RCC->CR, RCC_CR_HSIOUTEN); +} +#endif /* RCC_CR_HSIOUTEN */ + +/** + * @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); +} + +/** + * @} + */ + +#if defined(RCC_HSI48_SUPPORT) +/** @defgroup RCC_LL_EF_HSI48 HSI48 + * @{ + */ + +/** + * @brief Enable HSI48 + * @rmtoll CRRCR HSI48ON LL_RCC_HSI48_Enable + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI48_Enable(void) +{ + SET_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); +} + +/** + * @brief Disable HSI48 + * @rmtoll CRRCR HSI48ON LL_RCC_HSI48_Disable + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI48_Disable(void) +{ + CLEAR_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); +} + +/** + * @brief Check if HSI48 oscillator Ready + * @rmtoll CRRCR HSI48RDY LL_RCC_HSI48_IsReady + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_HSI48_IsReady(void) +{ + return (READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48RDY) == (RCC_CRRCR_HSI48RDY)); +} + +/** + * @brief Get HSI48 Calibration value + * @rmtoll CRRCR HSI48CAL LL_RCC_HSI48_GetCalibration + * @retval Between Min_Data = 0x00 and Max_Data = 0xFF + */ +__STATIC_INLINE uint32_t LL_RCC_HSI48_GetCalibration(void) +{ + return (uint32_t)(READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48CAL) >> RCC_POSITION_HSI48CAL); +} + +#if defined(RCC_CRRCR_HSI48DIV6OUTEN) +/** + * @brief Enable HSI48 Divider (it divides by 6) + * @rmtoll CRRCR HSI48DIV6OUTEN LL_RCC_HSI48_EnableDivider + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI48_EnableDivider(void) +{ + SET_BIT(RCC->CRRCR, RCC_CRRCR_HSI48DIV6OUTEN); +} + +/** + * @brief Disable HSI48 Divider (it divides by 6) + * @rmtoll CRRCR HSI48DIV6OUTEN LL_RCC_HSI48_DisableDivider + * @retval None + */ +__STATIC_INLINE void LL_RCC_HSI48_DisableDivider(void) +{ + CLEAR_BIT(RCC->CRRCR, RCC_CRRCR_HSI48DIV6OUTEN); +} + +/** + * @brief Check if HSI48 Divider is enabled (it divides by 6) + * @rmtoll CRRCR HSI48DIV6OUTEN LL_RCC_HSI48_IsDivided + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_HSI48_IsDivided(void) +{ + return (READ_BIT(RCC->CRRCR, RCC_CRRCR_HSI48DIV6OUTEN) == (RCC_CRRCR_HSI48DIV6OUTEN)); +} + +#endif /*RCC_CRRCR_HSI48DIV6OUTEN*/ + +/** + * @} + */ + +#endif /* RCC_HSI48_SUPPORT */ + +/** @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); +} + +/** + * @brief Set LSE oscillator drive capability + * @note The oscillator is in Xtal mode when it is not in bypass mode. + * @rmtoll CSR LSEDRV LL_RCC_LSE_SetDriveCapability + * @param LSEDrive This parameter can be one of the following values: + * @arg @ref LL_RCC_LSEDRIVE_LOW + * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW + * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH + * @arg @ref LL_RCC_LSEDRIVE_HIGH + * @retval None + */ +__STATIC_INLINE void LL_RCC_LSE_SetDriveCapability(uint32_t LSEDrive) +{ + MODIFY_REG(RCC->CSR, RCC_CSR_LSEDRV, LSEDrive); +} + +/** + * @brief Get LSE oscillator drive capability + * @rmtoll CSR LSEDRV LL_RCC_LSE_GetDriveCapability + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_LSEDRIVE_LOW + * @arg @ref LL_RCC_LSEDRIVE_MEDIUMLOW + * @arg @ref LL_RCC_LSEDRIVE_MEDIUMHIGH + * @arg @ref LL_RCC_LSEDRIVE_HIGH + */ +__STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability(void) +{ + return (uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_LSEDRV)); +} + +/** + * @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); +} + +/** + * @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)); +} + +/** + * @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)); +} + +/** + * @} + */ + +/** @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)); +} + +/** + * @brief Set Clock After Wake-Up From Stop mode + * @rmtoll CFGR STOPWUCK LL_RCC_SetClkAfterWakeFromStop + * @param Clock This parameter can be one of the following values: + * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_MSI + * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_HSI + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetClkAfterWakeFromStop(uint32_t Clock) +{ + MODIFY_REG(RCC->CFGR, RCC_CFGR_STOPWUCK, Clock); +} + +/** + * @brief Get Clock After Wake-Up From Stop mode + * @rmtoll CFGR STOPWUCK LL_RCC_GetClkAfterWakeFromStop + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_MSI + * @arg @ref LL_RCC_STOP_WAKEUPCLOCK_HSI + */ +__STATIC_INLINE uint32_t LL_RCC_GetClkAfterWakeFromStop(void) +{ + return (uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_STOPWUCK)); +} + +/** + * @} + */ + +/** @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 + * @arg @ref LL_RCC_MCO1SOURCE_HSI48 (*) + * + * (*) value not defined in all devices. + * @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_Peripheral_Clock_Source Peripheral Clock Source + * @{ + */ + +/** + * @brief Configure USARTx clock source + * @rmtoll CCIPR USARTxSEL LL_RCC_SetUSARTClockSource + * @param USARTxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2 (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE (*) + * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI + * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE + * + * (*) value not defined in all devices. + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetUSARTClockSource(uint32_t USARTxSource) +{ + MODIFY_REG(RCC->CCIPR, (USARTxSource >> 16U), (USARTxSource & 0x0000FFFFU)); +} + +/** + * @brief Configure LPUART1x clock source + * @rmtoll CCIPR LPUART1SEL LL_RCC_SetLPUARTClockSource + * @param LPUARTxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetLPUARTClockSource(uint32_t LPUARTxSource) +{ + MODIFY_REG(RCC->CCIPR, RCC_CCIPR_LPUART1SEL, LPUARTxSource); +} + +/** + * @brief Configure I2Cx clock source + * @rmtoll CCIPR I2CxSEL LL_RCC_SetI2CClockSource + * @param I2CxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI + * @arg @ref LL_RCC_I2C3_CLKSOURCE_PCLK1 (*) + * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK (*) + * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI (*) + * + * (*) value not defined in all devices. + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetI2CClockSource(uint32_t I2CxSource) +{ + MODIFY_REG(RCC->CCIPR, ((I2CxSource >> 4U) & 0x000FF000U), ((I2CxSource << 4U) & 0x000FF000U)); +} + +/** + * @brief Configure LPTIMx clock source + * @rmtoll CCIPR LPTIMxSEL LL_RCC_SetLPTIMClockSource + * @param LPTIMxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetLPTIMClockSource(uint32_t LPTIMxSource) +{ + MODIFY_REG(RCC->CCIPR, RCC_CCIPR_LPTIM1SEL, LPTIMxSource); +} + +#if defined(RCC_CCIPR_HSI48SEL) +#if defined(RNG) +/** + * @brief Configure RNG clock source + * @rmtoll CCIPR HSI48SEL LL_RCC_SetRNGClockSource + * @param RNGxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL + * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI48 + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetRNGClockSource(uint32_t RNGxSource) +{ + MODIFY_REG(RCC->CCIPR, RCC_CCIPR_HSI48SEL, RNGxSource); +} +#endif /* RNG */ + +#if defined(USB) +/** + * @brief Configure USB clock source + * @rmtoll CCIPR HSI48SEL LL_RCC_SetUSBClockSource + * @param USBxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL + * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI48 + * @retval None + */ +__STATIC_INLINE void LL_RCC_SetUSBClockSource(uint32_t USBxSource) +{ + MODIFY_REG(RCC->CCIPR, RCC_CCIPR_HSI48SEL, USBxSource); +} +#endif /* USB */ + +#endif /* RCC_CCIPR_HSI48SEL */ + +/** + * @brief Get USARTx clock source + * @rmtoll CCIPR USARTxSEL LL_RCC_GetUSARTClockSource + * @param USARTx This parameter can be one of the following values: + * @arg @ref LL_RCC_USART1_CLKSOURCE (*) + * @arg @ref LL_RCC_USART2_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_USART1_CLKSOURCE_PCLK2 (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_SYSCLK (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_HSI (*) + * @arg @ref LL_RCC_USART1_CLKSOURCE_LSE (*) + * @arg @ref LL_RCC_USART2_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_USART2_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_USART2_CLKSOURCE_HSI + * @arg @ref LL_RCC_USART2_CLKSOURCE_LSE + * + * (*) value not defined in all devices. + */ +__STATIC_INLINE uint32_t LL_RCC_GetUSARTClockSource(uint32_t USARTx) +{ + return (uint32_t)(READ_BIT(RCC->CCIPR, USARTx) | (USARTx << 16U)); +} + + + +/** + * @brief Get LPUARTx clock source + * @rmtoll CCIPR LPUART1SEL LL_RCC_GetLPUARTClockSource + * @param LPUARTx This parameter can be one of the following values: + * @arg @ref LL_RCC_LPUART1_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_HSI + * @arg @ref LL_RCC_LPUART1_CLKSOURCE_LSE + */ +__STATIC_INLINE uint32_t LL_RCC_GetLPUARTClockSource(uint32_t LPUARTx) +{ + return (uint32_t)(READ_BIT(RCC->CCIPR, LPUARTx)); +} + +/** + * @brief Get I2Cx clock source + * @rmtoll CCIPR I2CxSEL LL_RCC_GetI2CClockSource + * @param I2Cx This parameter can be one of the following values: + * @arg @ref LL_RCC_I2C1_CLKSOURCE + * @arg @ref LL_RCC_I2C3_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_I2C1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_I2C1_CLKSOURCE_SYSCLK + * @arg @ref LL_RCC_I2C1_CLKSOURCE_HSI + * @arg @ref LL_RCC_I2C3_CLKSOURCE_PCLK1 (*) + * @arg @ref LL_RCC_I2C3_CLKSOURCE_SYSCLK (*) + * @arg @ref LL_RCC_I2C3_CLKSOURCE_HSI (*) + * + * (*) value not defined in all devices. + */ +__STATIC_INLINE uint32_t LL_RCC_GetI2CClockSource(uint32_t I2Cx) +{ + return (uint32_t)((READ_BIT(RCC->CCIPR, I2Cx) >> 4U) | (I2Cx << 4U)); +} + +/** + * @brief Get LPTIMx clock source + * @rmtoll CCIPR LPTIMxSEL LL_RCC_GetLPTIMClockSource + * @param LPTIMx This parameter can be one of the following values: + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_PCLK1 + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSI + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_HSI + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE_LSE + */ +__STATIC_INLINE uint32_t LL_RCC_GetLPTIMClockSource(uint32_t LPTIMx) +{ + return (uint32_t)(READ_BIT(RCC->CCIPR, LPTIMx)); +} + +#if defined(RCC_CCIPR_HSI48SEL) +#if defined(RNG) +/** + * @brief Get RNGx clock source + * @rmtoll CCIPR CLK48SEL LL_RCC_GetRNGClockSource + * @param RNGx This parameter can be one of the following values: + * @arg @ref LL_RCC_RNG_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_RNG_CLKSOURCE_PLL + * @arg @ref LL_RCC_RNG_CLKSOURCE_HSI48 + */ +__STATIC_INLINE uint32_t LL_RCC_GetRNGClockSource(uint32_t RNGx) +{ + return (uint32_t)(READ_BIT(RCC->CCIPR, RNGx)); +} +#endif /* RNG */ + +#if defined(USB) +/** + * @brief Get USBx clock source + * @rmtoll CCIPR CLK48SEL LL_RCC_GetUSBClockSource + * @param USBx This parameter can be one of the following values: + * @arg @ref LL_RCC_USB_CLKSOURCE + * @retval Returned value can be one of the following values: + * @arg @ref LL_RCC_USB_CLKSOURCE_PLL + * @arg @ref LL_RCC_USB_CLKSOURCE_HSI48 + */ +__STATIC_INLINE uint32_t LL_RCC_GetUSBClockSource(uint32_t USBx) +{ + return (uint32_t)(READ_BIT(RCC->CCIPR, USBx)); +} +#endif /* USB */ + +#endif /* RCC_CCIPR_HSI48SEL */ + +/** + * @} + */ + +/** @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 CICR LSIRDYC LL_RCC_ClearFlag_LSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_LSIRDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_LSIRDYC); +} + +/** + * @brief Clear LSE ready interrupt flag + * @rmtoll CICR LSERDYC LL_RCC_ClearFlag_LSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_LSERDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_LSERDYC); +} + +/** + * @brief Clear MSI ready interrupt flag + * @rmtoll CICR MSIRDYC LL_RCC_ClearFlag_MSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_MSIRDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_MSIRDYC); +} + +/** + * @brief Clear HSI ready interrupt flag + * @rmtoll CICR HSIRDYC LL_RCC_ClearFlag_HSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_HSIRDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_HSIRDYC); +} + +/** + * @brief Clear HSE ready interrupt flag + * @rmtoll CICR HSERDYC LL_RCC_ClearFlag_HSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_HSERDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_HSERDYC); +} + +/** + * @brief Clear PLL ready interrupt flag + * @rmtoll CICR PLLRDYC LL_RCC_ClearFlag_PLLRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_PLLRDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_PLLRDYC); +} + +#if defined(RCC_HSI48_SUPPORT) +/** + * @brief Clear HSI48 ready interrupt flag + * @rmtoll CICR HSI48RDYC LL_RCC_ClearFlag_HSI48RDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_HSI48RDY(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_HSI48RDYC); +} +#endif /* RCC_HSI48_SUPPORT */ + +#if defined(RCC_HSECSS_SUPPORT) +/** + * @brief Clear Clock security system interrupt flag + * @rmtoll CICR CSSC LL_RCC_ClearFlag_HSECSS + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_HSECSS(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_CSSC); +} +#endif /* RCC_HSECSS_SUPPORT */ + +/** + * @brief Clear LSE Clock security system interrupt flag + * @rmtoll CICR LSECSSC LL_RCC_ClearFlag_LSECSS + * @retval None + */ +__STATIC_INLINE void LL_RCC_ClearFlag_LSECSS(void) +{ + SET_BIT(RCC->CICR, RCC_CICR_LSECSSC); +} + +/** + * @brief Check if LSI ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_LSIRDYF) == (RCC_CIFR_LSIRDYF)); +} + +/** + * @brief Check if LSE ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_LSERDYF) == (RCC_CIFR_LSERDYF)); +} + +/** + * @brief Check if MSI ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_MSIRDYF) == (RCC_CIFR_MSIRDYF)); +} + +/** + * @brief Check if HSI ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_HSIRDYF) == (RCC_CIFR_HSIRDYF)); +} + +/** + * @brief Check if HSE ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_HSERDYF) == (RCC_CIFR_HSERDYF)); +} + +/** + * @brief Check if PLL ready interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_PLLRDYF) == (RCC_CIFR_PLLRDYF)); +} + +#if defined(RCC_HSI48_SUPPORT) +/** + * @brief Check if HSI48 ready interrupt occurred or not + * @rmtoll CIFR HSI48RDYF LL_RCC_IsActiveFlag_HSI48RDY + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSI48RDY(void) +{ + return (READ_BIT(RCC->CIFR, RCC_CIFR_HSI48RDYF) == (RCC_CIFR_HSI48RDYF)); +} +#endif /* RCC_HSI48_SUPPORT */ + +#if defined(RCC_HSECSS_SUPPORT) +/** + * @brief Check if Clock security system interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_CSSF) == (RCC_CIFR_CSSF)); +} +#endif /* RCC_HSECSS_SUPPORT */ + +/** + * @brief Check if LSE Clock security system interrupt occurred or not + * @rmtoll CIFR 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->CIFR, RCC_CIFR_LSECSSF) == (RCC_CIFR_LSECSSF)); +} + +/** + * @brief Check if HSI Divider is enabled (it divides by 4) + * @rmtoll CR HSIDIVF LL_RCC_IsActiveFlag_HSIDIV + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_HSIDIV(void) +{ + return (READ_BIT(RCC->CR, RCC_CR_HSIDIVF) == (RCC_CR_HSIDIVF)); +} + +#if defined(RCC_CSR_FWRSTF) +/** + * @brief Check if RCC flag FW reset is set or not. + * @rmtoll CSR FWRSTF LL_RCC_IsActiveFlag_FWRST + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_IsActiveFlag_FWRST(void) +{ + return (READ_BIT(RCC->CSR, RCC_CSR_FWRSTF) == (RCC_CSR_FWRSTF)); +} +#endif /* RCC_CSR_FWRSTF */ + +/** + * @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 CIER LSIRDYIE LL_RCC_EnableIT_LSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_LSIRDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_LSIRDYIE); +} + +/** + * @brief Enable LSE ready interrupt + * @rmtoll CIER LSERDYIE LL_RCC_EnableIT_LSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_LSERDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_LSERDYIE); +} + +/** + * @brief Enable MSI ready interrupt + * @rmtoll CIER MSIRDYIE LL_RCC_EnableIT_MSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_MSIRDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_MSIRDYIE); +} + +/** + * @brief Enable HSI ready interrupt + * @rmtoll CIER HSIRDYIE LL_RCC_EnableIT_HSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_HSIRDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_HSIRDYIE); +} + +/** + * @brief Enable HSE ready interrupt + * @rmtoll CIER HSERDYIE LL_RCC_EnableIT_HSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_HSERDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_HSERDYIE); +} + +/** + * @brief Enable PLL ready interrupt + * @rmtoll CIER PLLRDYIE LL_RCC_EnableIT_PLLRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_PLLRDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_PLLRDYIE); +} + +#if defined(RCC_HSI48_SUPPORT) +/** + * @brief Enable HSI48 ready interrupt + * @rmtoll CIER HSI48RDYIE LL_RCC_EnableIT_HSI48RDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_HSI48RDY(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE); +} +#endif /* RCC_HSI48_SUPPORT */ + +/** + * @brief Enable LSE clock security system interrupt + * @rmtoll CIER LSECSSIE LL_RCC_EnableIT_LSECSS + * @retval None + */ +__STATIC_INLINE void LL_RCC_EnableIT_LSECSS(void) +{ + SET_BIT(RCC->CIER, RCC_CIER_LSECSSIE); +} + +/** + * @brief Disable LSI ready interrupt + * @rmtoll CIER LSIRDYIE LL_RCC_DisableIT_LSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_LSIRDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_LSIRDYIE); +} + +/** + * @brief Disable LSE ready interrupt + * @rmtoll CIER LSERDYIE LL_RCC_DisableIT_LSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_LSERDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_LSERDYIE); +} + +/** + * @brief Disable MSI ready interrupt + * @rmtoll CIER MSIRDYIE LL_RCC_DisableIT_MSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_MSIRDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_MSIRDYIE); +} + +/** + * @brief Disable HSI ready interrupt + * @rmtoll CIER HSIRDYIE LL_RCC_DisableIT_HSIRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_HSIRDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_HSIRDYIE); +} + +/** + * @brief Disable HSE ready interrupt + * @rmtoll CIER HSERDYIE LL_RCC_DisableIT_HSERDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_HSERDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_HSERDYIE); +} + +/** + * @brief Disable PLL ready interrupt + * @rmtoll CIER PLLRDYIE LL_RCC_DisableIT_PLLRDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_PLLRDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_PLLRDYIE); +} + +#if defined(RCC_HSI48_SUPPORT) +/** + * @brief Disable HSI48 ready interrupt + * @rmtoll CIER HSI48RDYIE LL_RCC_DisableIT_HSI48RDY + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_HSI48RDY(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE); +} +#endif /* RCC_HSI48_SUPPORT */ + +/** + * @brief Disable LSE clock security system interrupt + * @rmtoll CIER LSECSSIE LL_RCC_DisableIT_LSECSS + * @retval None + */ +__STATIC_INLINE void LL_RCC_DisableIT_LSECSS(void) +{ + CLEAR_BIT(RCC->CIER, RCC_CIER_LSECSSIE); +} + +/** + * @brief Checks if LSI ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_LSIRDYIE) == (RCC_CIER_LSIRDYIE)); +} + +/** + * @brief Checks if LSE ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_LSERDYIE) == (RCC_CIER_LSERDYIE)); +} + +/** + * @brief Checks if MSI ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_MSIRDYIE) == (RCC_CIER_MSIRDYIE)); +} + +/** + * @brief Checks if HSI ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_HSIRDYIE) == (RCC_CIER_HSIRDYIE)); +} + +/** + * @brief Checks if HSE ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_HSERDYIE) == (RCC_CIER_HSERDYIE)); +} + +/** + * @brief Checks if PLL ready interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_PLLRDYIE) == (RCC_CIER_PLLRDYIE)); +} + +#if defined(RCC_HSI48_SUPPORT) +/** + * @brief Checks if HSI48 ready interrupt source is enabled or disabled. + * @rmtoll CIER HSI48RDYIE LL_RCC_IsEnabledIT_HSI48RDY + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_RCC_IsEnabledIT_HSI48RDY(void) +{ + return (READ_BIT(RCC->CIER, RCC_CIER_HSI48RDYIE) == (RCC_CIER_HSI48RDYIE)); +} +#endif /* RCC_HSI48_SUPPORT */ + +/** + * @brief Checks if LSECSS interrupt source is enabled or disabled. + * @rmtoll CIER 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->CIER, RCC_CIER_LSECSSIE) == (RCC_CIER_LSECSSIE)); +} + +/** + * @} + */ + +#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); +uint32_t LL_RCC_GetUSARTClockFreq(uint32_t USARTxSource); +uint32_t LL_RCC_GetI2CClockFreq(uint32_t I2CxSource); +uint32_t LL_RCC_GetLPUARTClockFreq(uint32_t LPUARTxSource); +uint32_t LL_RCC_GetLPTIMClockFreq(uint32_t LPTIMxSource); +#if defined(USB_OTG_FS) || defined(USB) +uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource); +#endif /* USB_OTG_FS || USB */ +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* RCC */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32L0xx_LL_RCC_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/