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Diff: TARGET_DISCO_L072CZ_LRWAN1/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_rcc.h
- Revision:
- 143:86740a56073b
- Child:
- 167:84c0a372a020
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_DISCO_L072CZ_LRWAN1/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_rcc.h Fri May 26 12:30:20 2017 +0100 @@ -0,0 +1,1615 @@ +/** + ****************************************************************************** + * @file stm32l0xx_hal_rcc.h + * @author MCD Application Team + * @version V1.7.0 + * @date 31-May-2016 + * @brief Header file of RCC HAL 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_HAL_RCC_H +#define __STM32L0xx_HAL_RCC_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l0xx_hal_def.h" + +/** @addtogroup STM32L0xx_HAL_Driver + * @{ + */ + +/** @defgroup RCC RCC + * @{ + */ + +/** @defgroup RCC_Exported_Types RCC Exported Types + * @{ + */ + +/** + * @brief RCC PLL configuration structure definition + */ +typedef struct +{ + uint32_t PLLState; /*!< The new state of the PLL. + This parameter can be a value of @ref RCC_PLL_Config */ + + uint32_t PLLSource; /*!< RCC_PLLSource: PLL entry clock source. + This parameter must be a value of @ref RCC_PLL_Clock_Source */ + + uint32_t PLLMUL; /*!< PLLMUL: Multiplication factor for PLL VCO output clock + This parameter must of @ref RCC_PLLMultiplication_Factor */ + + uint32_t PLLDIV; /*!< PLLDIV: Division factor for main system clock (SYSCLK) + This parameter must be a value of @ref RCC_PLLDivider_Factor */ + +}RCC_PLLInitTypeDef; + +/** + * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition + */ +typedef struct +{ + uint32_t OscillatorType; /*!< The oscillators to be configured. + This parameter can be a value of @ref RCC_Oscillator_Type */ + + uint32_t HSEState; /*!< The new state of the HSE. + This parameter can be a value of @ref RCC_HSE_Config */ + + uint32_t LSEState; /*!< The new state of the LSE. + This parameter can be a value of @ref RCC_LSE_Config */ + + uint32_t HSIState; /*!< The new state of the HSI. + This parameter can be a value of @ref RCC_HSI_Config */ + + uint32_t HSICalibrationValue; /*!< The calibration trimming value. + This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */ + + uint32_t LSIState; /*!< The new state of the LSI. + This parameter can be a value of @ref RCC_LSI_Config */ + +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) && \ + !defined (STM32L011xx) && !defined (STM32L021xx) + uint32_t HSI48State; /*!< The new state of the HSI48. + This parameter can be a value of @ref RCC_HSI48_Config */ +#endif + + uint32_t MSIState; /*!< The new state of the MSI. + This parameter can be a value of @ref RCC_MSI_Config */ + + uint32_t MSICalibrationValue; /*!< The calibration trimming value. + This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF */ + + uint32_t MSIClockRange; /*!< The MSI frequency range. + This parameter can be a value of @ref RCC_MSI_Clock_Range */ + + RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */ + +}RCC_OscInitTypeDef; + +/** + * @brief RCC System, AHB and APB busses clock configuration structure definition + */ +typedef struct +{ + uint32_t ClockType; /*!< The clock to be configured. + This parameter can be a value of @ref RCC_System_Clock_Type */ + + uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock. + This parameter can be a value of @ref RCC_System_Clock_Source */ + + uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK). + This parameter can be a value of @ref RCC_AHB_Clock_Source */ + + uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK). + This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */ + + uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK). + This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */ + +}RCC_ClkInitTypeDef; + +/** + * @} + */ + +/* Private constants --------------------------------------------------------*/ +/** @addtogroup RCC_Private + * @brief RCC registers bit address in the alias region + * @{ + */ +#define RCC_OFFSET (RCC_BASE - PERIPH_BASE) +/* --- CR Register ---*/ +/* Alias word address of HSION bit */ +#define RCC_CR_OFFSET (RCC_OFFSET + 0x00U) +/* --- CFGR Register ---*/ +/* Alias word address of I2SSRC bit */ +#define RCC_CFGR_OFFSET (RCC_OFFSET + 0x08U) +/* --- CSR Register ---*/ +#define RCC_CSR_OFFSET (RCC_OFFSET + 0x74U) + +/* CR register byte 3 (Bits[23:16]) base address */ +#define RCC_CR_BYTE2_ADDRESS ((uint32_t)0x40023802U) + +/* CIER register byte 0 (Bits[0:8]) base address */ +#define CIER_BYTE0_ADDRESS ((uint32_t)(RCC_BASE + 0x10U + 0x00U)) + +/** + * @} + */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup RCC_Exported_Constants RCC Exported Constants + * @{ + */ + +/** @defgroup RCC_Timeout_Value Timeout Values + * @{ + */ +#define RCC_DBP_TIMEOUT_VALUE ((uint32_t)100U) /* 100 ms */ +#define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT +#define RCC_HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT +/** + * @} + */ + +/** @defgroup RCC_Oscillator_Type Oscillator Type + * @{ + */ +#define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000U) /*!< Oscillator configuration unchanged */ +#define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001U) /*!< HSE to configure */ +#define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002U) /*!< HSI to configure */ +#define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004U) /*!< LSE to configure */ +#define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008U) /*!< LSI to configure */ +#define RCC_OSCILLATORTYPE_MSI ((uint32_t)0x00000010U) /*!< MSI to configure */ +#if !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) +#define RCC_OSCILLATORTYPE_HSI48 ((uint32_t)0x00000020U) +#endif /* !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) */ + +/** + * @} + */ + +/** @defgroup RCC_HSE_Config RCC HSE Config + * @{ + */ +#define RCC_HSE_OFF ((uint32_t)0x00000000U) +#define RCC_HSE_ON RCC_CR_HSEON +#define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON)) + +/** + * @} + */ + +/** @defgroup RCC_LSE_Config RCC LSE Config + * @{ + */ +#define RCC_LSE_OFF ((uint32_t)0x00000000U) +#define RCC_LSE_ON RCC_CSR_LSEON +#define RCC_LSE_BYPASS ((uint32_t)(RCC_CSR_LSEBYP | RCC_CSR_LSEON)) + +/** + * @} + */ + + + +/** @defgroup RCC_LSI_Config RCC LSI Config + * @{ + */ +#define RCC_LSI_OFF ((uint8_t)0x00U) +#define RCC_LSI_ON ((uint8_t)0x01U) + +#define RCC_MSICALIBRATION_DEFAULT ((uint32_t)0) /* Default MSI calibration trimming value */ + +/** + * @} + */ + + +/** @defgroup RCC_MSI_Config RCC MSI Config + * @{ + */ +#define RCC_MSI_OFF ((uint8_t)0x00U) +#define RCC_MSI_ON ((uint8_t)0x01U) + +#define RCC_HSICALIBRATION_DEFAULT ((uint32_t)0x10U) /* Default HSI calibration trimming value */ + +/** + * @} + */ + +#if !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) +/** @defgroup RCC_HSI48_Config RCC HSI48 Configuration + * @{ + */ +#define RCC_HSI48_OFF ((uint8_t)0x00U) +#define RCC_HSI48_ON ((uint8_t)0x01U) + +/** + * @} + */ +#endif /* !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) */ + +/** @defgroup RCC_PLL_Config RCC PLL Config + * @{ + */ +#define RCC_PLL_NONE ((uint8_t)0x00U) +#define RCC_PLL_OFF ((uint8_t)0x01U) +#define RCC_PLL_ON ((uint8_t)0x02U) + +/** + * @} + */ + +/** @defgroup RCC_PLL_Clock_Source RCC PLL Clock Source + * @{ + */ +#define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI +#define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE + + +/** + * @} + */ + +/** @defgroup RCC_PLLMultiplication_Factor RCC PLL Multipliers + * @{ + */ + +#define RCC_PLLMUL_3 RCC_CFGR_PLLMUL3 +#define RCC_PLLMUL_4 RCC_CFGR_PLLMUL4 +#define RCC_PLLMUL_6 RCC_CFGR_PLLMUL6 +#define RCC_PLLMUL_8 RCC_CFGR_PLLMUL8 +#define RCC_PLLMUL_12 RCC_CFGR_PLLMUL12 +#define RCC_PLLMUL_16 RCC_CFGR_PLLMUL16 +#define RCC_PLLMUL_24 RCC_CFGR_PLLMUL24 +#define RCC_PLLMUL_32 RCC_CFGR_PLLMUL32 +#define RCC_PLLMUL_48 RCC_CFGR_PLLMUL48 + +/** + * @} + */ + +/** @defgroup RCC_PLLDivider_Factor RCC PLL Dividers + * @{ + */ + +#define RCC_PLLDIV_2 RCC_CFGR_PLLDIV2 +#define RCC_PLLDIV_3 RCC_CFGR_PLLDIV3 +#define RCC_PLLDIV_4 RCC_CFGR_PLLDIV4 + +/** + * @} + */ + +/** @defgroup RCC_MSI_Clock_Range RCC MSI Clock Range + * @{ + */ + +#define RCC_MSIRANGE_0 RCC_ICSCR_MSIRANGE_0 /*!< MSI = 65.536 KHz */ +#define RCC_MSIRANGE_1 RCC_ICSCR_MSIRANGE_1 /*!< MSI = 131.072 KHz */ +#define RCC_MSIRANGE_2 RCC_ICSCR_MSIRANGE_2 /*!< MSI = 262.144 KHz */ +#define RCC_MSIRANGE_3 RCC_ICSCR_MSIRANGE_3 /*!< MSI = 524.288 KHz */ +#define RCC_MSIRANGE_4 RCC_ICSCR_MSIRANGE_4 /*!< MSI = 1.048 MHz */ +#define RCC_MSIRANGE_5 RCC_ICSCR_MSIRANGE_5 /*!< MSI = 2.097 MHz */ +#define RCC_MSIRANGE_6 RCC_ICSCR_MSIRANGE_6 /*!< MSI = 4.194 MHz */ + + +/** + * @} + */ + +/** @defgroup RCC_System_Clock_Type RCC System Clock Type + * @{ + */ +#define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001U) /*!< SYSCLK to configure */ +#define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002U) /*!< HCLK to configure */ +#define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004U) /*!< PCLK1 to configure */ +#define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008U) /*!< PCLK2 to configure */ +/** + * @} + */ + +/** @defgroup RCC_System_Clock_Source RCC System Clock Source + * @{ + */ +#define RCC_SYSCLKSOURCE_MSI RCC_CFGR_SW_MSI /*!< MSI selection as system clock */ +#define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI /*!< HSI selection as system clock */ +#define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE /*!< HSE selection as system clock */ +#define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL /*!< PLL selection as system clock */ +/** + * @} + */ + +/** @defgroup RCC_System_Clock_SOURCE_Status RCC System Clock Source Status + * @{ + */ +#define RCC_SYSCLKSOURCE_STATUS_MSI RCC_CFGR_SWS_MSI /*!< MSI used as system clock */ +#define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */ +#define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */ +#define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */ +/** + * @} + */ + +/** @defgroup RCC_AHB_Clock_Source RCC AHB Clock Source + * @{ + */ +#define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1 /*!< SYSCLK not divided */ +#define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2 /*!< SYSCLK divided by 2 */ +#define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4 /*!< SYSCLK divided by 4 */ +#define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8 /*!< SYSCLK divided by 8 */ +#define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16 /*!< SYSCLK divided by 16 */ +#define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64 /*!< SYSCLK divided by 64 */ +#define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */ +#define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */ +#define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */ +/** + * @} + */ + +/** @defgroup RCC_APB1_APB2_Clock_Source RCC APB1 APB2 Clock Source + * @{ + */ +#define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1 /*!< HCLK not divided */ +#define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2 /*!< HCLK divided by 2 */ +#define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4 /*!< HCLK divided by 4 */ +#define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8 /*!< HCLK divided by 8 */ +#define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */ +/** + * @} + */ + +/** @defgroup RCC_RTC_Clock_Source RCC RTC Clock Source + * @{ + */ +#define RCC_RTCCLKSOURCE_NO_CLK ((uint32_t)0x00000000U) +#define RCC_RTCCLKSOURCE_LSE RCC_CSR_RTCSEL_LSE +#define RCC_RTCCLKSOURCE_LSI RCC_CSR_RTCSEL_LSI +#define RCC_RTCCLKSOURCE_HSE_DIVX RCC_CSR_RTCSEL_HSE + +#define RCC_RTCCLKSOURCE_HSE_DIV2 RCC_CSR_RTCSEL_HSE +#define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE_0) +#define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE_1) +#define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)RCC_CSR_RTCSEL_HSE | RCC_CR_RTCPRE) + +#define RCC_RTC_HSE_DIV_2 (uint32_t)0x00000000U /*!< HSE is divided by 2 for RTC clock */ +#define RCC_RTC_HSE_DIV_4 RCC_CR_RTCPRE_0 /*!< HSE is divided by 4 for RTC clock */ +#define RCC_RTC_HSE_DIV_8 RCC_CR_RTCPRE_1 /*!< HSE is divided by 8 for RTC clock */ +#define RCC_RTC_HSE_DIV_16 RCC_CR_RTCPRE /*!< HSE is divided by 16 for RTC clock */ + +/** + * @} + */ + +/** @defgroup RCC_MCO1_Clock_Source RCC MCO1 Clock Source + * @{ + */ + +#define RCC_MCO1SOURCE_NOCLOCK RCC_CFGR_MCO_NOCLOCK +#define RCC_MCO1SOURCE_SYSCLK RCC_CFGR_MCO_SYSCLK +#define RCC_MCO1SOURCE_HSI RCC_CFGR_MCO_HSI +#define RCC_MCO1SOURCE_MSI RCC_CFGR_MCO_MSI +#define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO_HSE +#define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO_PLL +#define RCC_MCO1SOURCE_LSI RCC_CFGR_MCO_LSI +#define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO_LSE +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) \ + && !defined (STM32L011xx) && !defined (STM32L021xx) +#define RCC_MCO1SOURCE_HSI48 RCC_CFGR_MCO_HSI48 +#endif + + +/** + * @} + */ + +/** @defgroup RCC_MCOPrescaler RCC MCO Prescaler + * @{ + */ + +#define RCC_MCODIV_1 RCC_CFGR_MCO_PRE_1 +#define RCC_MCODIV_2 RCC_CFGR_MCO_PRE_2 +#define RCC_MCODIV_4 RCC_CFGR_MCO_PRE_4 +#define RCC_MCODIV_8 RCC_CFGR_MCO_PRE_8 +#define RCC_MCODIV_16 RCC_CFGR_MCO_PRE_16 + +/** + * @} + */ + +/** @defgroup RCC_MCO_Index RCC MCO Index + * @{ + */ +#define RCC_MCO1 ((uint32_t)0x00000000U) +#define RCC_MCO2 ((uint32_t)0x00000001U) +#if defined(STM32L031xx) || defined(STM32L041xx) || defined(STM32L073xx) || defined(STM32L083xx) || \ + defined(STM32L072xx) || defined(STM32L082xx) || defined(STM32L071xx) || defined(STM32L081xx) +#define RCC_MCO3 ((uint32_t)0x00000002U) +#endif + +/** + * @} + */ + +/** @defgroup RCC_Interrupt RCC Interruptions + * @{ + */ +#define RCC_IT_LSIRDY RCC_CIFR_LSIRDYF +#define RCC_IT_LSERDY RCC_CIFR_LSERDYF +#define RCC_IT_HSIRDY RCC_CIFR_HSIRDYF +#define RCC_IT_HSERDY RCC_CIFR_HSERDYF +#define RCC_IT_PLLRDY RCC_CIFR_PLLRDYF +#define RCC_IT_MSIRDY RCC_CIFR_MSIRDYF + +#define RCC_IT_CSSLSE RCC_CIFR_CSSLSEF +#define RCC_IT_CSSHSE RCC_CIFR_CSSHSEF + +#if !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) +#define RCC_IT_HSI48RDY RCC_CIFR_HSI48RDYF +#endif /* !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) */ +/** + * @} + */ + +/** @defgroup RCC_Flag RCC Flag + * Elements values convention: 0XXYYYYYb + * - YYYYY : Flag position in the register + * - 0XX : Register index + * - 01: CR register + * - 10: CSR register + * - 11: CRRCR register + * @{ + */ +/* Flags in the CR register */ +#define RCC_FLAG_HSIRDY ((uint8_t)0x22U) +#define RCC_FLAG_HSIDIV ((uint8_t)0x24U) +#define RCC_FLAG_MSIRDY ((uint8_t)0x29U) +#define RCC_FLAG_HSERDY ((uint8_t)0x31U) +#define RCC_FLAG_PLLRDY ((uint8_t)0x39U) + +/* Flags in the CSR register */ +#define RCC_FLAG_LSERDY ((uint8_t)0x49U) +#define RCC_FLAG_LSECSS ((uint8_t)0x4EU) +#define RCC_FLAG_LSIRDY ((uint8_t)0x41U) +#define RCC_FLAG_FWRST ((uint8_t)0x58U) +#define RCC_FLAG_OBLRST ((uint8_t)0x59U) +#define RCC_FLAG_PINRST ((uint8_t)0x5AU) +#define RCC_FLAG_PORRST ((uint8_t)0x5BU) +#define RCC_FLAG_SFTRST ((uint8_t)0x5CU) +#define RCC_FLAG_IWDGRST ((uint8_t)0x5DU) +#define RCC_FLAG_WWDGRST ((uint8_t)0x5EU) +#define RCC_FLAG_LPWRRST ((uint8_t)0x5FU) + +#if !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) +/* Flags in the CRRCR register */ +#define RCC_FLAG_HSI48RDY ((uint8_t)0x61U) +#endif /* !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) */ + + +/** + * @} + */ + +/** + * @} + */ +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup RCC_Exported_Macros RCC Exported Macros + * @{ + */ + +/** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable AHB Peripheral Clock Enable Disable + * @brief Enable or disable the AHB peripheral clock. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_DMA1_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_RCC_MIF_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN);\ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_RCC_CRC_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\ + UNUSED(tmpreg); \ + } while(0) + + +#define __HAL_RCC_DMA1_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN) +#define __HAL_RCC_MIF_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN) +#define __HAL_RCC_CRC_CLK_DISABLE() CLEAR_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN) + +/** + * @} + */ + +/** @defgroup RCC_IOPORT_Clock_Enable_Disable IOPORT Peripheral Clock Enable Disable + * @brief Enable or disable the IOPORT peripheral clock. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_GPIOA_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN);\ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_RCC_GPIOB_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN);\ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_RCC_GPIOC_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN);\ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_RCC_GPIOH_CLK_ENABLE() do { \ + __IO uint32_t tmpreg; \ + SET_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN);\ + /* Delay after an RCC peripheral clock enabling */ \ + tmpreg = READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN);\ + UNUSED(tmpreg); \ + } while(0) + + +#define __HAL_RCC_GPIOA_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN) +#define __HAL_RCC_GPIOB_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN) +#define __HAL_RCC_GPIOC_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN) +#define __HAL_RCC_GPIOH_CLK_DISABLE() CLEAR_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN) + +/** + * @} + */ + +/** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable + * @brief Enable or disable the Low Speed APB (APB1) peripheral clock. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_WWDG_CLK_ENABLE() SET_BIT(RCC->APB1ENR, (RCC_APB1ENR_WWDGEN)) +#define __HAL_RCC_PWR_CLK_ENABLE() SET_BIT(RCC->APB1ENR, (RCC_APB1ENR_PWREN)) + +#define __HAL_RCC_WWDG_CLK_DISABLE() CLEAR_BIT(RCC->APB1ENR, (RCC_APB1ENR_WWDGEN)) +#define __HAL_RCC_PWR_CLK_DISABLE() CLEAR_BIT(RCC->APB1ENR, (RCC_APB1ENR_PWREN)) +/** + * @} + */ + +/** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable + * @brief Enable or disable the High Speed APB (APB2) peripheral clock. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_SYSCFG_CLK_ENABLE() SET_BIT(RCC->APB2ENR, (RCC_APB2ENR_SYSCFGEN)) +#define __HAL_RCC_DBGMCU_CLK_ENABLE() SET_BIT(RCC->APB2ENR, (RCC_APB2ENR_DBGMCUEN)) + +#define __HAL_RCC_SYSCFG_CLK_DISABLE() CLEAR_BIT(RCC->APB2ENR, (RCC_APB2ENR_SYSCFGEN)) +#define __HAL_RCC_DBGMCU_CLK_DISABLE() CLEAR_BIT(RCC->APB2ENR, (RCC_APB2ENR_DBGMCUEN)) +/** + * @} + */ + +/** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enabled or Disabled Status + * @brief Check whether the AHB peripheral clock is enabled or not. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ + +#define __HAL_RCC_DMA1_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN) != RESET) +#define __HAL_RCC_MIF_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_MIFEN) != RESET) +#define __HAL_RCC_CRC_IS_CLK_ENABLED() (READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_IOPORT_Peripheral_Clock_Enable_Disable_Status IOPORT Peripheral Clock Enabled or Disabled Status + * @brief Check whether the IOPORT peripheral clock is enabled or not. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ + +#define __HAL_RCC_GPIOA_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOAEN) != RESET) +#define __HAL_RCC_GPIOB_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOBEN) != RESET) +#define __HAL_RCC_GPIOC_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOCEN) != RESET) +#define __HAL_RCC_GPIOH_IS_CLK_ENABLED() (READ_BIT(RCC->IOPENR, RCC_IOPENR_GPIOHEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enabled or Disabled Status + * @brief Check whether the APB1 peripheral clock is enabled or not. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_WWDG_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN) != RESET) +#define __HAL_RCC_PWR_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enabled or Disabled Status + * @brief Check whether the APB2 peripheral clock is enabled or not. + * @note After reset, the peripheral clock (used for registers read/write access) + * is disabled and the application software has to enable this clock before + * using it. + * @{ + */ +#define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN) != RESET) +#define __HAL_RCC_DBGMCU_IS_CLK_ENABLED() (READ_BIT(RCC->APB2ENR, RCC_APB2ENR_DBGMCUEN) != RESET) + +/** + * @} + */ + + /** @defgroup RCC_AHB_Force_Release_Reset AHB Peripheral Force Release Reset + * @brief Force or release AHB peripheral reset. + * @{ + */ +#define __HAL_RCC_AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFFU) +#define __HAL_RCC_DMA1_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_DMA1RST)) +#define __HAL_RCC_MIF_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_MIFRST)) +#define __HAL_RCC_CRC_FORCE_RESET() SET_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_CRCRST)) + +#define __HAL_RCC_AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00U) +#define __HAL_RCC_CRC_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_CRCRST)) +#define __HAL_RCC_DMA1_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_DMA1RST)) +#define __HAL_RCC_MIF_RELEASE_RESET() CLEAR_BIT(RCC->AHBRSTR, (RCC_AHBRSTR_MIFRST)) +/** + * @} + */ + +/** @defgroup RCC_IOPORT_Force_Release_Reset IOPORT Peripheral Force Release Reset + * @brief Force or release IOPORT peripheral reset. + * @{ + */ +#define __HAL_RCC_IOP_FORCE_RESET() (RCC->IOPRSTR = 0xFFFFFFFFU) +#define __HAL_RCC_GPIOA_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOARST)) +#define __HAL_RCC_GPIOB_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOBRST)) +#define __HAL_RCC_GPIOC_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOCRST)) +#define __HAL_RCC_GPIOH_FORCE_RESET() SET_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOHRST)) + +#define __HAL_RCC_IOP_RELEASE_RESET() (RCC->IOPRSTR = 0x00U) +#define __HAL_RCC_GPIOA_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOARST)) +#define __HAL_RCC_GPIOB_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOBRST)) +#define __HAL_RCC_GPIOC_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOCRST)) +#define __HAL_RCC_GPIOH_RELEASE_RESET() CLEAR_BIT(RCC->IOPRSTR, (RCC_IOPRSTR_GPIOHRST)) + +/** + * @} + */ + +/** @defgroup RCC_APB1_Force_Release_Reset APB1 Peripheral Force Release Reset + * @brief Force or release APB1 peripheral reset. + * @{ + */ +#define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU) +#define __HAL_RCC_WWDG_FORCE_RESET() SET_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_WWDGRST)) +#define __HAL_RCC_PWR_FORCE_RESET() SET_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_PWRRST)) + +#define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U) +#define __HAL_RCC_WWDG_RELEASE_RESET() CLEAR_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_WWDGRST)) +#define __HAL_RCC_PWR_RELEASE_RESET() CLEAR_BIT(RCC->APB1RSTR, (RCC_APB1RSTR_PWRRST)) + +/** + * @} + */ + +/** @defgroup RCC_APB2_Force_Release_Reset APB2 Peripheral Force Release Reset + * @brief Force or release APB2 peripheral reset. + * @{ + */ +#define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU) +#define __HAL_RCC_DBGMCU_FORCE_RESET() SET_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_DBGMCURST)) +#define __HAL_RCC_SYSCFG_FORCE_RESET() SET_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_SYSCFGRST)) + +#define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U) +#define __HAL_RCC_DBGMCU_RELEASE_RESET() CLEAR_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_DBGMCURST)) +#define __HAL_RCC_SYSCFG_RELEASE_RESET() CLEAR_BIT(RCC->APB2RSTR, (RCC_APB2RSTR_SYSCFGRST)) +/** + * @} + */ + + +/** @defgroup RCC_AHB_Clock_Sleep_Enable_Disable AHB Peripheral Clock Sleep Enable Disable + * @brief Enable or disable the AHB peripheral clock during Low Power (Sleep) mode. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral activated clocks remain enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_CRC_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_CRCSMEN)) +#define __HAL_RCC_MIF_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_MIFSMEN)) +#define __HAL_RCC_SRAM_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_SRAMSMEN)) +#define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() SET_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_DMA1SMEN)) + +#define __HAL_RCC_CRC_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_CRCSMEN)) +#define __HAL_RCC_MIF_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_MIFSMEN)) +#define __HAL_RCC_SRAM_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_SRAMSMEN)) +#define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->AHBSMENR, (RCC_AHBSMENR_DMA1SMEN)) +/** + * @} + */ + +/** @defgroup RCC_IOPORT_Clock_Sleep_Enable_Disable IOPORT Peripheral Clock Sleep Enable Disable + * @brief Enable or disable the IOPORT peripheral clock during Low Power (Sleep) mode. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral activated clocks remain enabled during SLEEP mode. + * @{ + */ + +#define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOASMEN)) +#define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOBSMEN)) +#define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOCSMEN)) +#define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE() SET_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOHSMEN)) + +#define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOASMEN)) +#define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOBSMEN)) +#define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOCSMEN)) +#define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->IOPSMENR, (RCC_IOPSMENR_GPIOHSMEN)) +/** + * @} + */ + +/** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable APB1 Peripheral Clock Sleep Enable Disable + * @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral activated clocks remain enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_WWDGSMEN)) +#define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_PWRSMEN)) + +#define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_WWDGSMEN)) +#define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB1SMENR, (RCC_APB1SMENR_PWRSMEN)) + +/** + * @} + */ + +/** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable APB2 Peripheral Clock Sleep Enable Disable + * @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral activated clocks remain enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_SYSCFGSMEN)) +#define __HAL_RCC_DBGMCU_CLK_SLEEP_ENABLE() SET_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_DBGMCUSMEN)) + +#define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_SYSCFGSMEN)) +#define __HAL_RCC_DBGMCU_CLK_SLEEP_DISABLE() CLEAR_BIT(RCC->APB2SMENR, (RCC_APB2SMENR_DBGMCUSMEN)) + +/** + * @} + */ + +/** @defgroup RCC_AHB_Clock_Sleep_Enable_Disable_Status AHB Peripheral Clock Sleep Enabled or Disabled Status + * @brief Check whether the AHB peripheral clock during Low Power (Sleep) mode is enabled or not. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral clocks are enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_CRCSMEN) != RESET) +#define __HAL_RCC_MIF_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_MIFSMEN) != RESET) +#define __HAL_RCC_SRAM_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_SRAMSMEN) != RESET) +#define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->AHBSMENR, RCC_AHBSMENR_DMA1SMEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_IOPORT_Clock_Sleep_Enable_Disable_Status IOPORT Peripheral Clock Sleep Enabled or Disabled Status + * @brief Check whether the IOPORT peripheral clock during Low Power (Sleep) mode is enabled or not. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral clocks are enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_GPIOA_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOASMEN) != RESET) +#define __HAL_RCC_GPIOB_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOBSMEN) != RESET) +#define __HAL_RCC_GPIOC_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOCSMEN) != RESET) +#define __HAL_RCC_GPIOH_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->IOPSMENR, RCC_IOPSMENR_GPIOHSMEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enabled or Disabled Status + * @brief Check whether the APB1 peripheral clock during Low Power (Sleep) mode is enabled or not. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral clocks are enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_WWDGSMEN) != RESET) +#define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB1SMENR, RCC_APB1SMENR_PWRSMEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enabled or Disabled Status + * @brief Check whether the APB2 peripheral clock during Low Power (Sleep) mode is enabled or not. + * @note Peripheral clock gating in SLEEP mode can be used to further reduce + * power consumption. + * @note After wakeup from SLEEP mode, the peripheral clock is enabled again. + * @note By default, all peripheral clocks are enabled during SLEEP mode. + * @{ + */ +#define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_SYSCFGSMEN) != RESET) +#define __HAL_RCC_DBGMCU_IS_CLK_SLEEP_ENABLED() (READ_BIT(RCC->APB2SMENR, RCC_APB2SMENR_DBGMCUSMEN) != RESET) + +/** + * @} + */ + +/** @defgroup RCC_Backup_Domain_Reset RCC Backup Domain Reset + * @{ + */ + +/** @brief Macros to force or release the Backup domain reset. + * @note This function resets the RTC peripheral (including the backup registers) + * and the RTC clock source selection in RCC_CSR register. + * @note The BKPSRAM is not affected by this reset. + */ +#define __HAL_RCC_BACKUPRESET_FORCE() SET_BIT(RCC->CSR, RCC_CSR_RTCRST) +#define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCRST) + +/** + * @} + */ + +/** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration + * @{ + */ + +/** @brief Macros to enable or disable the the RTC clock. + * @note These macros must be used only after the RTC clock source was selected. + */ +#define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_RTCEN) +#define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_RTCEN) + +/** + * @} + */ + +/** @brief Macros to enable or disable the Internal High Speed oscillator (HSI). + * @note The HSI is stopped by hardware when entering STOP and STANDBY modes. + * It is used (enabled by hardware) as system clock source after startup + * from Reset, wakeup from STOP and STANDBY mode, or in case of failure + * of the HSE used directly or indirectly as system clock (if the Clock + * Security System CSS is enabled). + * @note HSI can not be stopped if it is used as system clock source. In this case, + * you have to select another source of the system clock then stop the HSI. + * @note After enabling the HSI, the application software should wait on HSIRDY + * flag to be set indicating that HSI clock is stable and can be used as + * system clock source. + * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator + * clock cycles. + */ +#define __HAL_RCC_HSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_HSION) +#define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_HSION) + +/** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value. + * @note The calibration is used to compensate for the variations in voltage + * and temperature that influence the frequency of the internal HSI RC. + * @param __HSICalibrationValue__: specifies the calibration trimming value. + * This parameter must be a number between 0 and 0x1F. + */ +#define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) (MODIFY_REG(RCC->ICSCR,\ + RCC_ICSCR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << 8U)) + +/** @brief Macro to enable or disable the Internal High Speed oscillator (HSI). + * @note After enabling the HSI, the application software should wait on + * HSIRDY flag to be set indicating that HSI clock is stable and can + * be used to clock the PLL and/or system clock. + * @note HSI can not be stopped if it is used directly or through the PLL + * as system clock. In this case, you have to select another source + * of the system clock then stop the HSI. + * @note The HSI is stopped by hardware when entering STOP and STANDBY modes. + * @param __STATE__: specifies the new state of the HSI. + * This parameter can be one of the following values: + * @arg RCC_HSI_OFF: turn OFF the HSI oscillator + * @arg RCC_HSI_ON: turn ON the HSI oscillator + * @arg RCC_HSI_DIV4: turn ON the HSI oscillator and divide it by 4 + * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator + * clock cycles. + */ +#define __HAL_RCC_HSI_CONFIG(__STATE__) \ + MODIFY_REG(RCC->CR, RCC_CR_HSION | RCC_CR_HSIDIVEN , (uint32_t)(__STATE__)) + +/** + * @brief Macros to enable or disable the Internal Multi Speed oscillator (MSI). + * @note The MSI is stopped by hardware when entering STOP and STANDBY modes. + * It is used (enabled by hardware) as system clock source after + * startup from Reset, wakeup from STOP and STANDBY mode, or in case + * of failure of the HSE used directly or indirectly as system clock + * (if the Clock Security System CSS is enabled). + * @note MSI can not be stopped if it is used as system clock source. + * In this case, you have to select another source of the system + * clock then stop the MSI. + * @note After enabling the MSI, the application software should wait on + * MSIRDY flag to be set indicating that MSI clock is stable and can + * be used as system clock source. + * @note When the MSI is stopped, MSIRDY flag goes low after 6 MSI oscillator + * clock cycles. + */ +#define __HAL_RCC_MSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_MSION) +#define __HAL_RCC_MSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_MSION) + + +/** @brief Macro Adjusts the Internal Multi Speed oscillator (MSI) calibration value. + * @note The calibration is used to compensate for the variations in voltage + * and temperature that influence the frequency of the internal MSI RC. + * Refer to the Application Note AN3300 for more details on how to + * calibrate the MSI. + * @param __MSICalibrationValue__: specifies the calibration trimming value. + * This parameter must be a number between 0 and 0xFF. + */ +#define __HAL_RCC_MSI_CALIBRATIONVALUE_ADJUST(__MSICalibrationValue__) (MODIFY_REG(RCC->ICSCR,\ + RCC_ICSCR_MSITRIM, (uint32_t)(__MSICalibrationValue__) << 24U)) + +/** + * @brief Macro to configures the Internal Multi Speed oscillator (MSI) clock range. + * @note After restart from Reset or wakeup from STANDBY, the MSI clock is + * around 2.097 MHz. The MSI clock does not change after wake-up from + * STOP mode. + * @note The MSI clock range can be modified on the fly. + * @param __RCC_MSIRange__: specifies the MSI Clock range. + * This parameter must be one of the following values: + * @arg RCC_MSIRANGE_0: MSI clock is around 65.536 KHz + * @arg RCC_MSIRANGE_1: MSI clock is around 131.072 KHz + * @arg RCC_MSIRANGE_2: MSI clock is around 262.144 KHz + * @arg RCC_MSIRANGE_3: MSI clock is around 524.288 KHz + * @arg RCC_MSIRANGE_4: MSI clock is around 1.048 MHz + * @arg RCC_MSIRANGE_5: MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY) + * @arg RCC_MSIRANGE_6: MSI clock is around 4.194 MHz + */ +#define __HAL_RCC_MSI_RANGE_CONFIG(__RCC_MSIRange__) (MODIFY_REG(RCC->ICSCR,\ + RCC_ICSCR_MSIRANGE, (uint32_t)(__RCC_MSIRange__) )) + +/** @brief Macro to get the Internal Multi Speed oscillator (__MSI__) clock range in run mode + * @retval MSI clock range. + * This parameter must be one of the following values: + * @arg RCC_MSIRANGE_0: MSI clock is around 65.536 KHz + * @arg RCC_MSIRANGE_1: MSI clock is around 131.072 KHz + * @arg RCC_MSIRANGE_2: MSI clock is around 262.144 KHz + * @arg RCC_MSIRANGE_3: MSI clock is around 524.288 KHz + * @arg RCC_MSIRANGE_4: MSI clock is around 1.048 MHz + * @arg RCC_MSIRANGE_5: MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY) + * @arg RCC_MSIRANGE_6: MSI clock is around 4.194 MHz + + */ +#define __HAL_RCC_GET_MSI_RANGE() \ + ((uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSIRANGE) >> 12U)) + +/** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI). + * @note After enabling the LSI, the application software should wait on + * LSIRDY flag to be set indicating that LSI clock is stable and can + * be used to clock the IWDG and/or the RTC. + * @note LSI can not be disabled if the IWDG is running. + * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator + * clock cycles. + */ +#define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION) +#define __HAL_RCC_LSI_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION) + +/** + * @brief Macro to configure the External High Speed oscillator (HSE). + * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not + * supported by this macro. User should request a transition to HSE Off + * first and then HSE On or HSE Bypass. + * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application + * software should wait on HSERDY flag to be set indicating that HSE clock + * is stable and can be used to clock the PLL and/or system clock. + * @note HSE state can not be changed if it is used directly or through the + * PLL as system clock. In this case, you have to select another source + * of the system clock then change the HSE state (ex. disable it). + * @note The HSE is stopped by hardware when entering STOP and STANDBY modes. + * @note This function reset the CSSON bit, so if the clock security system(CSS) + * was previously enabled you have to enable it again after calling this + * function. + * @param __STATE__: specifies the new state of the HSE. + * This parameter can be one of the following values: + * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after + * 6 HSE oscillator clock cycles. + * @arg RCC_HSE_ON: turn ON the HSE oscillator. + * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock. + */ +#define __HAL_RCC_HSE_CONFIG(__STATE__) \ + do { \ + __IO uint32_t tmpreg; \ + if((__STATE__) == RCC_HSE_ON) \ + { \ + SET_BIT(RCC->CR, RCC_CR_HSEON); \ + } \ + else if((__STATE__) == RCC_HSE_BYPASS) \ + { \ + CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \ + SET_BIT(RCC->CR, RCC_CR_HSEBYP); \ + SET_BIT(RCC->CR, RCC_CR_HSEON); \ + } \ + else \ + { \ + CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \ + /* Delay after an RCC peripheral clock */ \ + tmpreg = READ_BIT(RCC->CR, RCC_CR_HSEON); \ + UNUSED(tmpreg); \ + CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \ + } \ + } while(0) + +/** + * @brief Macro to configure the External Low Speed oscillator (LSE). + * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not + * supported by this macro. User should request a transition to LSE Off + * first and then LSE On or LSE Bypass. + * @note As the LSE is in the Backup domain and write access is denied to + * this domain after reset, you have to enable write access using + * HAL_PWR_EnableBkUpAccess() function before to configure the LSE + * (to be done once after reset). + * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application + * software should wait on LSERDY flag to be set indicating that LSE clock + * is stable and can be used to clock the RTC. + * @param __STATE__: specifies the new state of the LSE. + * This parameter can be one of the following values: + * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after + * 6 LSE oscillator clock cycles. + * @arg RCC_LSE_ON: turn ON the LSE oscillator. + * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock. + */ +#define __HAL_RCC_LSE_CONFIG(__STATE__) \ + do { \ + if((__STATE__) == RCC_LSE_ON) \ + { \ + SET_BIT(RCC->CSR, RCC_CSR_LSEON); \ + } \ + else if((__STATE__) == RCC_LSE_OFF) \ + { \ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON); \ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP); \ + } \ + else if((__STATE__) == RCC_LSE_BYPASS) \ + { \ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON); \ + SET_BIT(RCC->CSR, RCC_CSR_LSEBYP); \ + SET_BIT(RCC->CSR, RCC_CSR_LSEON); \ + } \ + else \ + { \ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON); \ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP); \ + } \ + } while(0) + + + +/** + * @brief Configures or Get the RTC and LCD clock (RTCCLK / LCDCLK). + * @note As the RTC clock configuration bits are in the RTC domain and write + * access is denied to this domain after reset, you have to enable write + * access using PWR_RTCAccessCmd(ENABLE) function before to configure + * the RTC clock source (to be done once after reset). + * @note Once the RTC clock is configured it cannot be changed unless the RTC + * is reset using RCC_RTCResetCmd function, or by a Power On Reset (POR) + * @note The RTC clock (RTCCLK) is used also to clock the LCD (LCDCLK). + * + * @param __RTCCLKSOURCE__: specifies the RTC clock source. + * This parameter can be one of the following values: + * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock + * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock + * @arg RCC_RTCCLKSOURCE_HSE_DIV2: HSE divided by 2 selected as RTC clock + * @arg RCC_RTCCLKSOURCE_HSE_DIV4: HSE divided by 4 selected as RTC clock + * @arg RCC_RTCCLKSOURCE_HSE_DIV8: HSE divided by 8 selected as RTC clock + * @arg RCC_RTCCLKSOURCE_HSE_DIV16: HSE divided by 16 selected as RTC clock + * + * @note If the LSE or LSI is used as RTC clock source, the RTC continues to + * work in STOP and STANDBY modes, and can be used as wakeup source. + * However, when the HSE clock is used as RTC clock source, the RTC + * cannot be used in STOP and STANDBY modes. + * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as + * RTC clock source). + */ + +#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSOURCE__) (((__RTCCLKSOURCE__) & RCC_CSR_RTCSEL) == RCC_CSR_RTCSEL) ? \ + MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, (uint32_t)((__RTCCLKSOURCE__) & RCC_CR_RTCPRE)) : \ + CLEAR_BIT(RCC->CR, RCC_CR_RTCPRE) + +#define __HAL_RCC_RTC_CONFIG(__RTCCLKSOURCE__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSOURCE__); \ + MODIFY_REG( RCC->CSR, RCC_CSR_RTCSEL, (uint32_t)((__RTCCLKSOURCE__) & RCC_CSR_RTCSEL)); \ + } while (0) + + + /** + * @brief Get the RTC and LCD clock (RTCCLK / LCDCLK). + * + * @retval The clock source can be one of the following values: + * @arg RCC_RTCCLKSOURCE_NO_CLK: No clock selected as RTC clock + * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock + * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock + * @arg RCC_RTCCLKSOURCE_HSE_DIVX: HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER() + * + */ +#define __HAL_RCC_GET_RTC_SOURCE() ((uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_RTCSEL))) + + /** + * @brief Get the RTC and LCD HSE clock divider (RTCCLK / LCDCLK). + * + * @retval Returned value can be one of the following values: + * @arg RCC_RTC_HSE_DIV_2: HSE divided by 2 selected as RTC clock + * @arg RCC_RTC_HSE_DIV_4: HSE divided by 4 selected as RTC clock + * @arg RCC_RTC_HSE_DIV_8: HSE divided by 8 selected as RTC clock + * @arg RCC_RTC_HSE_DIV_16: HSE divided by 16 selected as RTC clock + * + */ +#define __HAL_RCC_GET_RTC_HSE_PRESCALER() ((uint32_t)(READ_BIT(RCC->CR, RCC_CR_RTCPRE))) + + +/** @brief Macros to enable or disable the main PLL. + * @note After enabling the main PLL, the application software should wait on + * PLLRDY flag to be set indicating that PLL clock is stable and can + * be used as system clock source. + * @note The main PLL can not be disabled if it is used as system clock source + * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes. + */ +#define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON) +#define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON) + +/** @brief Macro to configure the main PLL clock source, multiplication and division factors. + * @note This function must be used only when the main PLL is disabled. + * @param __RCC_PLLSOURCE__: specifies the PLL entry clock source. + * This parameter can be one of the following values: + * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry + * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry + * @param __PLLMUL__: specifies the multiplication factor to generate the PLL VCO clock + * This parameter must be one of the following values: + * @arg RCC_CFGR_PLLMUL3: PLLVCO = PLL clock entry x 3 + * @arg RCC_CFGR_PLLMUL4: PLLVCO = PLL clock entry x 4 + * @arg RCC_CFGR_PLLMUL6: PLLVCO = PLL clock entry x 6 + * @arg RCC_CFGR_PLLMUL8: PLLVCO = PLL clock entry x 8 + * @arg RCC_CFGR_PLLMUL12: PLLVCO = PLL clock entry x 12 + * @arg RCC_CFGR_PLLMUL16: PLLVCO = PLL clock entry x 16 + * @arg RCC_CFGR_PLLMUL24: PLLVCO = PLL clock entry x 24 + * @arg RCC_CFGR_PLLMUL32: PLLVCO = PLL clock entry x 32 + * @arg RCC_CFGR_PLLMUL48: PLLVCO = PLL clock entry x 48 + * @note The PLL VCO clock frequency must not exceed 96 MHz when the product is in + * Range 1, 48 MHz when the product is in Range 2 and 24 MHz when the product is + * in Range 3. + * @param __PLLDIV__: specifies the PLL output clock division from PLL VCO clock + * This parameter must be one of the following values: + * @arg RCC_PLLDIV_2: PLL clock output = PLLVCO / 2 + * @arg RCC_PLLDIV_3: PLL clock output = PLLVCO / 3 + * @arg RCC_PLLDIV_4: PLL clock output = PLLVCO / 4 + */ + +#define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__ , __PLLMUL__ ,__PLLDIV__ ) \ + MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLMUL | RCC_CFGR_PLLDIV | RCC_CFGR_PLLSRC, (uint32_t)((__PLLMUL__)| (__PLLDIV__)| (__RCC_PLLSOURCE__))) + + /** @brief Macro to get the oscillator used as PLL clock source. + * @retval The oscillator used as PLL clock source. The returned value can be one + * of the following: + * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source. + * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source. + */ +#define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_PLLSRC)) + +/** + * @brief Macro to configure the system clock source. + * @param __SYSCLKSOURCE__: specifies the system clock source. + * This parameter can be one of the following values: + * - RCC_SYSCLKSOURCE_MSI: MSI oscillator is used as system clock source. + * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source. + * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source. + * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source. + * @retval None + */ +#define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \ + MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__SYSCLKSOURCE__)) + +/** @brief Macro to get the clock source used as system clock. + * @retval The clock source used as system clock. The returned value can be one + * of the following: + * - RCC_SYSCLKSOURCE_STATUS_MSI: MSI used as system clock. + * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock. + * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock. + * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock. + */ +#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS)) + + +/** @brief Macro to configure the MCO clock. + * @param __MCOCLKSOURCE__ specifies the MCO clock source. + * This parameter can be one of the following values: + * @arg RCC_CFGR_MCO_HSI: HSI clock selected as MCO source + * @arg RCC_CFGR_MCO_MSI: MSI clock selected as MCO source + * @arg RCC_CFGR_MCO_HSE: HSE clock selected as MCO source + * @arg RCC_CFGR_MCO_PLL: PLL clock selected as MCO source + * @arg RCC_CFGR_MCO_LSI: LSI clock selected as MCO source + * @arg RCC_CFGR_MCO_LSE: LSE clock selected as MCO source + * @param __MCODIV__ specifies the MCO clock prescaler. + * This parameter can be one of the following values: + * @arg RCC_CFGR_MCO_PRE_1: no division applied to MCO clock + * @arg RCC_CFGR_MCO_PRE_2: division by 2 applied to MCO clock + * @arg RCC_CFGR_MCO_PRE_4: division by 4 applied to MCO clock + * @arg RCC_CFGR_MCO_PRE_8: division by 8 applied to MCO clock + * @arg RCC_CFGR_MCO_PRE_16: division by 16 applied to MCO clock + */ + +#define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \ + MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCOSEL | RCC_CFGR_MCO_PRE), ((__MCOCLKSOURCE__) | (__MCODIV__))) + + +/** @defgroup RCC_Flags_Interrupts_Management RCC Flags Interrupts Management + * @brief macros to manage the specified RCC Flags and interrupts. + * @{ + */ + +/** @brief Enable RCC interrupt (Perform Byte access to RCC_CIER[0:7] bits to enable + * the selected interrupts). + * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled + * and if the HSE clock fails, the CSS interrupt occurs and an NMI is + * automatically generated. The NMI will be executed indefinitely, and + * since NMI has higher priority than any other IRQ (and main program) + * the application will be stacked in the NMI ISR unless the CSS interrupt + * pending bit is cleared. + * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled. + * This parameter can be any combination of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_MSIRDY: MSI ready interrupt + * @arg RCC_IT_CSSLSE: LSE CSS interrupt + * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt + */ +#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) SET_BIT(RCC->CIER, (__INTERRUPT__)) + +/** @brief Disable RCC interrupt (Perform Byte access to RCC_CIER[0:7] bits to disable + * the selected interrupts). + * @note The CSS interrupt doesn't have an enable bit; once the CSS is enabled + * and if the HSE clock fails, the CSS interrupt occurs and an NMI is + * automatically generated. The NMI will be executed indefinitely, and + * since NMI has higher priority than any other IRQ (and main program) + * the application will be stacked in the NMI ISR unless the CSS interrupt + * pending bit is cleared. + * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled. + * This parameter can be any combination of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_MSIRDY: MSI ready interrupt + * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt + * @arg RCC_IT_CSSLSE: LSE CSS interrupt + + */ +#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) CLEAR_BIT(RCC->CIER, (__INTERRUPT__)) + +/** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16] + * bits to clear the selected interrupt pending bits. + * @param __INTERRUPT__: specifies the interrupt pending bit to clear. + * This parameter can be any combination of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_MSIRDY: MSI ready interrupt + * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt + * @arg RCC_IT_CSSLSE: LSE CSS interrupt + * @arg RCC_IT_CSSHSE: Clock Security System interrupt + */ + #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (RCC->CICR = (__INTERRUPT__)) + +/** @brief Check the RCC's interrupt has occurred or not. + * @param __INTERRUPT__: specifies the RCC interrupt source to check. + * This parameter can be one of the following values: + * @arg RCC_IT_LSIRDY: LSI ready interrupt + * @arg RCC_IT_LSERDY: LSE ready interrupt + * @arg RCC_IT_HSIRDY: HSI ready interrupt + * @arg RCC_IT_HSERDY: HSE ready interrupt + * @arg RCC_IT_PLLRDY: PLL ready interrupt + * @arg RCC_IT_MSIRDY: MSI ready interrupt + * @arg RCC_IT_CSSLSE: LSE CSS interrupt + * @arg RCC_IT_CSSHSE: Clock Security System interrupt + * @retval The new state of __INTERRUPT__ (TRUE or FALSE). + */ +#define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIFR & (__INTERRUPT__)) == (__INTERRUPT__)) + + +/** @brief Set RMVF bit to clear the reset flags. + * The reset flags are: RCC_FLAG_OBLRST, RCC_FLAG_PINRST, RCC_FLAG_PORRST, + * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST. + */ +#define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF) + +/** @brief Check RCC flag is set or not. + * @param __FLAG__: specifies the flag to check. + * This parameter can be one of the following values: + * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready + * @arg RCC_FLAG_HSIDIV: HSI clock divider flag + * @arg RCC_FLAG_MSIRDY: MSI oscillator clock ready + * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready + * @arg RCC_FLAG_PLLRDY: PLL clock ready + * @arg RCC_FLAG_LSECSS: LSE oscillator clock CSS detected + * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready + * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready + * @arg RCC_FLAG_FWRST: Firewall reset + * @arg RCC_FLAG_OBLRST: Option Byte Loader (OBL) reset + * @arg RCC_FLAG_PINRST: Pin reset + * @arg RCC_FLAG_PORRST: POR/PDR reset + * @arg RCC_FLAG_SFTRST: Software reset + * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset + * @arg RCC_FLAG_WWDGRST: Window Watchdog reset + * @arg RCC_FLAG_LPWRRST: Low Power reset + * @retval The new state of __FLAG__ (TRUE or FALSE). + */ +#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5U) == 1U)? RCC->CR :((((__FLAG__) >> 5U) == 2U) ? RCC->CSR :((((__FLAG__) >> 5U) == 3U)? \ + RCC->CRRCR :RCC->CIFR))) & ((uint32_t)1U << ((__FLAG__) & RCC_FLAG_MASK))) != 0U ) ? 1U : 0U ) + +/** + * @} + */ + +/** + * @} + */ + + +/* Private constants ---------------------------------------------------------*/ +/** @defgroup RCC_Private_Constants RCC Private Constants + * @{ + */ +/* Defines used for Flags */ +#define RCC_FLAG_MASK ((uint8_t)0x1FU) + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup RCC_Private_Macros + * @{ + */ + +#if !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) +#define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) ((__OSCILLATOR__) <= 0x3FU) +#else +#define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) ((__OSCILLATOR__) <= 0x1FU) +#endif /* !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) */ + +#define IS_RCC_HSE(__HSE__) (((__HSE__) == RCC_HSE_OFF) || ((__HSE__) == RCC_HSE_ON) || \ + ((__HSE__) == RCC_HSE_BYPASS)) +#define IS_RCC_LSE(__LSE__) (((__LSE__) == RCC_LSE_OFF) || ((__LSE__) == RCC_LSE_ON) || \ + ((__LSE__) == RCC_LSE_BYPASS)) + +#define IS_RCC_MSI_CLOCK_RANGE(__RANGE__) (((__RANGE__) == RCC_MSIRANGE_0) || \ + ((__RANGE__) == RCC_MSIRANGE_1) || \ + ((__RANGE__) == RCC_MSIRANGE_2) || \ + ((__RANGE__) == RCC_MSIRANGE_3) || \ + ((__RANGE__) == RCC_MSIRANGE_4) || \ + ((__RANGE__) == RCC_MSIRANGE_5) || \ + ((__RANGE__) == RCC_MSIRANGE_6)) + +#define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON)) +#define IS_RCC_MSI(__MSI__) (((__MSI__) == RCC_MSI_OFF) || ((__MSI__) == RCC_MSI_ON)) +#define IS_RCC_HSI48(__HSI48__) (((__HSI48__) == RCC_HSI48_OFF) || ((__HSI48__) == RCC_HSI48_ON)) + +#define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) ||((__PLL__) == RCC_PLL_OFF) || ((__PLL__) == RCC_PLL_ON)) + +#define IS_RCC_PLLSOURCE(__SOURCE__) (((__SOURCE__) == RCC_PLLSOURCE_HSI) || \ + ((__SOURCE__) == RCC_PLLSOURCE_HSE)) + +#define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLLMUL_3) || ((__MUL__) == RCC_PLLMUL_4) || \ + ((__MUL__) == RCC_PLLMUL_6) || ((__MUL__) == RCC_PLLMUL_8) || \ + ((__MUL__) == RCC_PLLMUL_12) || ((__MUL__) == RCC_PLLMUL_16) || \ + ((__MUL__) == RCC_PLLMUL_24) || ((__MUL__) == RCC_PLLMUL_32) || \ + ((__MUL__) == RCC_PLLMUL_48)) + +#define IS_RCC_PLL_DIV(__DIV__) (((__DIV__) == RCC_PLLDIV_2) || ((__DIV__) == RCC_PLLDIV_3) || \ + ((__DIV__) == RCC_PLLDIV_4)) + +#define IS_RCC_CLOCKTYPE(__CLK__) ((1U <= (__CLK__)) && ((__CLK__) <= 15U)) + +#define IS_RCC_SYSCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_HSI) || \ + ((__SOURCE__) == RCC_SYSCLKSOURCE_HSE) || \ + ((__SOURCE__) == RCC_SYSCLKSOURCE_MSI) || \ + ((__SOURCE__) == RCC_SYSCLKSOURCE_PLLCLK)) + +#define IS_RCC_HCLK(__HCLK__) (((__HCLK__) == RCC_SYSCLK_DIV1) || ((__HCLK__) == RCC_SYSCLK_DIV2) || \ + ((__HCLK__) == RCC_SYSCLK_DIV4) || ((__HCLK__) == RCC_SYSCLK_DIV8) || \ + ((__HCLK__) == RCC_SYSCLK_DIV16) || ((__HCLK__) == RCC_SYSCLK_DIV64) || \ + ((__HCLK__) == RCC_SYSCLK_DIV128) || ((__HCLK__) == RCC_SYSCLK_DIV256) || \ + ((__HCLK__) == RCC_SYSCLK_DIV512)) + +#define IS_RCC_PCLK(__PCLK__) (((__PCLK__) == RCC_HCLK_DIV1) || ((__PCLK__) == RCC_HCLK_DIV2) || \ + ((__PCLK__) == RCC_HCLK_DIV4) || ((__PCLK__) == RCC_HCLK_DIV8) || \ + ((__PCLK__) == RCC_HCLK_DIV16)) + +#define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \ + ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \ + ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \ + ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \ + ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \ + ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16)) + +#if !defined (STM32L031xx) && !defined (STM32L041xx) && !defined(STM32L051xx) && !defined(STM32L061xx) && !defined(STM32L071xx) && !defined(STM32L081xx) \ + && !defined (STM32L011xx) && !defined (STM32L021xx) +#define IS_RCC_MCO1SOURCE(__SOURCE__) (((__SOURCE__) == RCC_MCO1SOURCE_NOCLOCK) || ((__SOURCE__) == RCC_MCO1SOURCE_SYSCLK) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_HSI) || ((__SOURCE__) == RCC_MCO1SOURCE_MSI) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_HSE) || ((__SOURCE__) == RCC_MCO1SOURCE_PLLCLK) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_LSI) || ((__SOURCE__) == RCC_MCO1SOURCE_LSE) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_HSI48)) +#else +#define IS_RCC_MCO1SOURCE(__SOURCE__) (((__SOURCE__) == RCC_MCO1SOURCE_NOCLOCK) || ((__SOURCE__) == RCC_MCO1SOURCE_SYSCLK) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_HSI) || ((__SOURCE__) == RCC_MCO1SOURCE_MSI) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_HSE) || ((__SOURCE__) == RCC_MCO1SOURCE_PLLCLK) || \ + ((__SOURCE__) == RCC_MCO1SOURCE_LSI) || ((__SOURCE__) == RCC_MCO1SOURCE_LSE)) +#endif + +#define IS_RCC_MCODIV(__DIV__) (((__DIV__) == RCC_MCODIV_1) || \ + ((__DIV__) == RCC_MCODIV_2) || \ + ((__DIV__) == RCC_MCODIV_4) || \ + ((__DIV__) == RCC_MCODIV_8) || \ + ((__DIV__) == RCC_MCODIV_16)) + +#if defined(STM32L031xx) || defined(STM32L041xx) || defined(STM32L073xx) || defined(STM32L083xx) || \ + defined(STM32L072xx) || defined(STM32L082xx) || defined(STM32L071xx) || defined(STM32L081xx) +#define IS_RCC_MCO(__MCOx__) (((__MCOx__) == RCC_MCO1) || ((__MCOx__) == RCC_MCO2) || ((__MCOx__) == RCC_MCO3)) +#else +#define IS_RCC_MCO(__MCOx__) (((__MCOx__) == RCC_MCO1) || ((__MCOx__) == RCC_MCO2)) + +#endif + +#define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1F) +#define IS_RCC_MSICALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0xFF) + +/** + * @} + */ + +/* Include RCC HAL Extension module */ +#include "stm32l0xx_hal_rcc_ex.h" + +/** @defgroup RCC_Exported_Functions RCC Exported Functions + * @{ + */ + +/** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions + * @{ + */ +void HAL_RCC_DeInit(void); +HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct); +HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency); +/** + * @} + */ + +/** @defgroup RCC_Exported_Functions_Group2 Peripheral Control functions + * @{ + */ +void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv); +#if !defined (STM32L011xx) && !defined (STM32L021xx) +void HAL_RCC_EnableCSS(void); +#endif +uint32_t HAL_RCC_GetSysClockFreq(void); +uint32_t HAL_RCC_GetHCLKFreq(void); +uint32_t HAL_RCC_GetPCLK1Freq(void); +uint32_t HAL_RCC_GetPCLK2Freq(void); +void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct); +void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency); +/* CSS NMI IRQ handler */ +void HAL_RCC_NMI_IRQHandler(void); + +/* User Callbacks in non blocking mode (IT mode) */ +void HAL_RCC_CSSCallback(void); +/** + * @} + */ + +/** + * @} + */ + + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32l0xx_HAL_RCC_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +