mbed library sources. Supersedes mbed-src.
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****/