Ricardo Benitez
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TARGET_NUCLEO_L053R8/stm32l0xx_hal_rcc.h
- Committer:
- ricardobtez
- Date:
- 2016-04-05
- Revision:
- 118:16969dd821af
- Parent:
- 92:4fc01daae5a5
- Child:
- 96:487b796308b0
File content as of revision 118:16969dd821af:
/**
******************************************************************************
* @file stm32l0xx_hal_rcc.h
* @author MCD Application Team
* @version V1.1.0
* @date 18-June-2014
* @brief Header file of RCC HAL module.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 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
* @{
*/
/** @addtogroup 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 */
uint32_t HSI48State; /*!< The new state of the HSI48.
This parameter can be a value of @ref RCC_HSI48_Config */
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;
/* Exported constants --------------------------------------------------------*/
/** @defgroup RCC_Exported_Constants
* @{
*/
/** @defgroup RCC_BitAddress_AliasRegion
* @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 + 0x00)
/* --- CFGR Register ---*/
/* Alias word address of I2SSRC bit */
#define RCC_CFGR_OFFSET (RCC_OFFSET + 0x08)
/* --- CSR Register ---*/
#define RCC_CSR_OFFSET (RCC_OFFSET + 0x74)
/* CR register byte 3 (Bits[23:16]) base address */
#define CR_BYTE2_ADDRESS ((uint32_t)0x40023802)
/* CIER register byte 0 (Bits[0:8]) base address */
#define CIER_BYTE0_ADDRESS ((uint32_t)(RCC_BASE + 0x10 + 0x00))
#define LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
#define DBP_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
/**
* @}
*/
/** @defgroup RCC_Oscillator_Type
* @{
*/
#define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000)
#define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001)
#define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002)
#define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004)
#define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008)
#define RCC_OSCILLATORTYPE_MSI ((uint32_t)0x00000010)
#define RCC_OSCILLATORTYPE_HSI48 ((uint32_t)0x00000020)
#define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 0x3F)
/**
* @}
*/
/** @defgroup RCC_HSE_Config
* @{
*/
#define RCC_HSE_OFF ((uint32_t)0x00000000)
#define RCC_HSE_ON RCC_CR_HSEON
#define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
((HSE) == RCC_HSE_BYPASS))
/**
* @}
*/
/** @defgroup RCC_LSE_Config
* @{
*/
#define RCC_LSE_OFF ((uint32_t)0x00000000)
#define RCC_LSE_ON RCC_CSR_LSEON
#define RCC_LSE_BYPASS ((uint32_t)(RCC_CSR_LSEBYP | RCC_CSR_LSEON))
#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
((LSE) == RCC_LSE_BYPASS))
/**
* @}
*/
/** @defgroup RCC_HSI_Config
* @{
*/
#define RCC_HSI_OFF ((uint8_t)0x00)
#define RCC_HSI_ON ((uint8_t)0x01)
#define RCC_HSI_DIV4 ((uint8_t)0x09)
#define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON) || \
((HSI) == RCC_HSI_DIV4))
/**
* @}
*/
/** @defgroup 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 */
#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))
/**
* @}
*/
/** @defgroup RCC_LSI_Config
* @{
*/
#define RCC_LSI_OFF ((uint8_t)0x00)
#define RCC_LSI_ON ((uint8_t)0x01)
#define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
/**
* @}
*/
/** @defgroup RCC_MSI_Config
* @{
*/
#define RCC_MSI_OFF ((uint8_t)0x00)
#define RCC_MSI_ON ((uint8_t)0x01)
#define IS_RCC_MSI(MSI) (((MSI) == RCC_MSI_OFF) || ((MSI) == RCC_MSI_ON))
/**
* @}
*/
/** @defgroup RCC_HSI48_Config
* @{
*/
#define RCC_HSI48_OFF ((uint8_t)0x00)
#define RCC_HSI48_ON ((uint8_t)0x01)
#define IS_RCC_HSI48(HSI48) (((HSI48) == RCC_HSI48_OFF) || ((HSI48) == RCC_HSI48_ON))
/**
* @}
*/
/** @defgroup RCC_PLL_Config
* @{
*/
#define RCC_PLL_NONE ((uint8_t)0x00)
#define RCC_PLL_OFF ((uint8_t)0x01)
#define RCC_PLL_ON ((uint8_t)0x02)
#define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
/**
* @}
*/
/** @defgroup RCC_PLL_Clock_Source
* @{
*/
#define RCC_PLLSOURCE_HSI RCC_CFGR_PLLSRC_HSI
#define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE
#define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
((SOURCE) == RCC_PLLSOURCE_HSE))
/**
* @}
*/
/** @defgroup RCC_PLLMultiplication_Factor
* @{
*/
#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
#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))
/**
* @}
*/
/** @defgroup RCC_PLLDivider_Factor
* @{
*/
#define RCC_PLLDIV_2 RCC_CFGR_PLLDIV2
#define RCC_PLLDIV_3 RCC_CFGR_PLLDIV3
#define RCC_PLLDIV_4 RCC_CFGR_PLLDIV4
#define IS_RCC_PLL_DIV(DIV) (((DIV) == RCC_PLLDIV_2) || ((DIV) == RCC_PLLDIV_3) || \
((DIV) == RCC_PLLDIV_4))
/**
* @}
*/
/** @defgroup RCC_System_Clock_Type
* @{
*/
#define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001)
#define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002)
#define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004)
#define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008)
#define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))
/**
* @}
*/
/** @defgroup RCC_System_Clock_Source
* @{
*/
#define RCC_SYSCLKSOURCE_MSI RCC_CFGR_SW_MSI
#define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
#define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
#define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
#define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
((SOURCE) == RCC_SYSCLKSOURCE_MSI) || \
((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
/**
* @}
*/
/** @defgroup RCC_AHB_Clock_Source
* @{
*/
#define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
#define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
#define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
#define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
#define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
#define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
#define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
#define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
#define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
#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))
/**
* @}
*/
/** @defgroup RCC_APB1_APB2_Clock_Source
* @{
*/
#define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
#define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
#define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
#define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
#define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
#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))
/**
* @}
*/
/** @defgroup RCC_RTC_Clock_Source
* @{
*/
#define RCC_RTCCLKSOURCE_LSE RCC_CSR_RTCSEL_LSE
#define RCC_RTCCLKSOURCE_LSI RCC_CSR_RTCSEL_LSI
#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 IS_RCC_RTCCLK_SOURCE(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))
/**
* @}
*/
/** @defgroup RCC_MCO_Clock_Source
* @{
*/
#define RCC_MCO1SOURCE_NOCLOCK ((uint8_t)0x00)
#define RCC_MCO1SOURCE_SYSCLK ((uint8_t)0x01)
#define RCC_MCO1SOURCE_HSI ((uint8_t)0x02)
#define RCC_MCO1SOURCE_MSI ((uint8_t)0x03)
#define RCC_MCO1SOURCE_HSE ((uint8_t)0x04)
#define RCC_MCO1SOURCE_PLLCLK ((uint8_t)0x05)
#define RCC_MCO1SOURCE_LSI ((uint8_t)0x06)
#define RCC_MCO1SOURCE_LSE ((uint8_t)0x07)
#define RCC_MCO1SOURCE_HSI48 ((uint8_t)0x08)
#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))
/**
* @}
*/
/** @defgroup RCC_MCOPrescaler
* @{
*/
#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
#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))
/**
* @}
*/
/** @defgroup RCC_MCO_Index
* @{
*/
#define RCC_MCO1 ((uint32_t)0x00000000)
#define RCC_MCO2 ((uint32_t)0x00000001)
#define IS_RCC_MCO(MCOx) (((MCOx) == RCC_MCO1) || ((MCOx) == RCC_MCO2))
/**
* @}
*/
/** @defgroup RCC_Interrupt
* @{
*/
#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_HSI48RDY RCC_CIFR_HSI48RDYF
#define RCC_IT_LSECSS RCC_CIFR_LSECSSF
#define RCC_IT_CSS RCC_CIFR_CSSF
#define IS_RCC_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
((IT) == RCC_IT_HSI48RDY) || ((IT) == RCC_IT_LSECSS))
#define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY) || \
((IT) == RCC_IT_LSECSS))
#define IS_RCC_CLEAR_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_MSIRDY) || \
((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY) || \
((IT) == RCC_IT_LSECSS))
/**
* @}
*/
/** @defgroup 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)0x22)
#define RCC_FLAG_HSIDIV ((uint8_t)0x24)
#define RCC_FLAG_MSIRDY ((uint8_t)0x29)
#define RCC_FLAG_HSERDY ((uint8_t)0x31)
#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
/* Flags in the CSR register */
#define RCC_FLAG_LSERDY ((uint8_t)0x49)
#define RCC_FLAG_LSECSS ((uint8_t)0x4E)
#define RCC_FLAG_LSIRDY ((uint8_t)0x41)
#define RCC_FLAG_FIREWALLRST ((uint8_t)0x58)
#define RCC_FLAG_OBLRST ((uint8_t)0x59)
#define RCC_FLAG_PINRST ((uint8_t)0x5A)
#define RCC_FLAG_PORRST ((uint8_t)0x5B)
#define RCC_FLAG_SFTRST ((uint8_t)0x5C)
#define RCC_FLAG_IWDGRST ((uint8_t)0x5D)
#define RCC_FLAG_WWDGRST ((uint8_t)0x5E)
#define RCC_FLAG_LPWRRST ((uint8_t)0x5F)
/* Flags in the CRRCR register */
#define RCC_FLAG_HSI48RDY ((uint8_t)0x61)
#define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
#define IS_RCC_MSICALIBRATION_VALUE(VALUE) ((VALUE) <= 0xFF)
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup RCC_Exported macro
* @{
*/
/** @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 __DMA1_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_DMA1EN))
#define __MIF_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_MIFEN))
#define __CRC_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_CRCEN))
#define __DMA1_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_DMA1EN))
#define __MIF_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_MIFEN))
#define __CRC_CLK_DISABLE() (RCC->AHBENR &= ~ (RCC_AHBENR_CRCEN))
/** @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 __GPIOA_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOAEN))
#define __GPIOB_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOBEN))
#define __GPIOC_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOCEN))
#define __GPIOD_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIODEN))
#define __GPIOH_CLK_ENABLE() (RCC->IOPENR |= (RCC_IOPENR_GPIOHEN))
#define __GPIOA_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOAEN))
#define __GPIOB_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOBEN))
#define __GPIOC_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOCEN))
#define __GPIOD_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIODEN))
#define __GPIOH_CLK_DISABLE() (RCC->IOPENR &= ~(RCC_IOPENR_GPIOHEN))
/** @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 __WWDG_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_WWDGEN))
#define __PWR_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_PWREN))
#define __WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~ (RCC_APB1ENR_WWDGEN))
#define __PWR_CLK_DISABLE() (RCC->APB1ENR &= ~ (RCC_APB1ENR_PWREN))
/** @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 __SYSCFG_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SYSCFGEN))
#define __DBGMCU_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_DBGMCUEN))
#define __SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~ (RCC_APB2ENR_SYSCFGEN))
#define __DBGMCU_CLK_DISABLE() (RCC->APB2ENR &= ~ (RCC_APB2ENR_DBGMCUEN))
/** @brief Force or release AHB peripheral reset.
*/
#define __AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFF)
#define __DMA1_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_DMA1RST))
#define __MIF_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_MIFRST))
#define __CRC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_CRCRST))
#define __AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00)
#define __CRC_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_CRCRST))
#define __DMA1_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_DMA1RST))
#define __MIF_RELEASE_RESET() (RCC->AHBRSTR &= ~ (RCC_AHBRSTR_MIFRST))
/** @brief Force or release IOPORT peripheral reset.
*/
#define __IOP_FORCE_RESET() (RCC->IOPRSTR = 0xFFFFFFFF)
#define __GPIOA_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOARST))
#define __GPIOB_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOBRST))
#define __GPIOC_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOCRST))
#define __GPIOD_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIODRST))
#define __GPIOH_FORCE_RESET() (RCC->IOPRSTR |= (RCC_IOPRSTR_GPIOHRST))
#define __IOP_RELEASE_RESET() (RCC->IOPRSTR = 0x00)
#define __GPIOA_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOARST))
#define __GPIOB_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOBRST))
#define __GPIOC_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOCRST))
#define __GPIOD_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIODRST))
#define __GPIOH_RELEASE_RESET() (RCC->IOPRSTR &= ~(RCC_IOPRSTR_GPIOHRST))
/** @brief Force or release APB1 peripheral reset.
*/
#define __APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFF)
#define __WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
#define __PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
#define __APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00)
#define __WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~ (RCC_APB1RSTR_WWDGRST))
#define __PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~ (RCC_APB1RSTR_PWRRST))
/** @brief Force or release APB2 peripheral reset.
*/
#define __APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFF)
#define __DBGMCU_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_DBGMCURST))
#define __SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
#define __APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00)
#define __DBGMCU_RELEASE_RESET() (RCC->APB2RSTR &= ~ (RCC_APB2RSTR_DBGMCURST))
#define __SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~ (RCC_APB2RSTR_SYSCFGRST))
/** @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 clocks are enabled during SLEEP mode.
*/
#define __CRC_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_CRCSMEN))
#define __MIF_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_MIFSMEN))
#define __SRAM_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_SRAMSMEN))
#define __DMA1_CLK_SLEEP_ENABLE() (RCC->AHBSMENR |= (RCC_AHBSMENR_DMA1SMEN))
#define __CRC_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_CRCSMEN))
#define __MIF_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_MIFSMEN))
#define __SRAM_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_SRAMSMEN))
#define __DMA1_CLK_SLEEP_DISABLE() (RCC->AHBSMENR &= ~ (RCC_AHBSMENR_DMA1SMEN))
/** @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 clocks are enabled during SLEEP mode.
*/
#define __GPIOA_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOASMEN))
#define __GPIOB_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOBSMEN))
#define __GPIOC_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOCSMEN))
#define __GPIOD_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIODSMEN))
#define __GPIOH_CLK_SLEEP_ENABLE() (RCC->IOPSMENR |= (RCC_IOPSMENR_GPIOHSMEN))
#define __GPIOA_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOASMEN))
#define __GPIOB_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOBSMEN))
#define __GPIOC_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOCSMEN))
#define __GPIOD_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIODSMEN))
#define __GPIOH_CLK_SLEEP_DISABLE() (RCC->IOPSMENR &= ~(RCC_IOPSMENR_GPIOHSMEN))
/** @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 clocks are enabled during SLEEP mode.
*/
#define __WWDG_CLK_SLEEP_ENABLE() (RCC->APB1SMENR |= (RCC_APB1SMENR_WWDGSMEN))
#define __PWR_CLK_SLEEP_ENABLE() (RCC->APB1SMENR |= (RCC_APB1SMENR_PWRSMEN))
#define __WWDG_CLK_SLEEP_DISABLE() (RCC->APB1SMENR &= ~ (RCC_APB1SMENR_WWDGSMEN))
#define __PWR_CLK_SLEEP_DISABLE() (RCC->APB1SMENR &= ~ (RCC_APB1SMENR_PWRSMEN))
/** @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 clocks are enabled during SLEEP mode.
*/
#define __SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2SMENR |= (RCC_APB2SMENR_SYSCFGSMEN))
#define __DBGMCU_CLK_SLEEP_ENABLE() (RCC->APB2SMENR |= (RCC_APB2SMENR_DBGMCUSMEN))
#define __SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2SMENR &= ~ (RCC_APB2SMENR_SYSCFGSMEN))
#define __DBGMCU_CLK_SLEEP_DISABLE() (RCC->APB2SMENR &= ~ (RCC_APB2SMENR_DBGMCUSMEN))
/** @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 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 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 to enable or disable the Internal High Speed oscillator for USB (HSI48).
* @note After enabling the HSI48, the application software should wait on
* HSI48RDY flag to be set indicating that HSI48 clock is stable and can
* be used to clock the USB.
* @note The HSI48 is stopped by hardware when entering STOP and STANDBY modes.
*/
#define __HAL_RCC_HSI48_ENABLE() do { SET_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); \
RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; \
SYSCFG->CFGR3 |= (SYSCFG_CFGR3_ENREF_HSI48 | SYSCFG_CFGR3_EN_VREFINT); \
} while (0)
#define __HAL_RCC_HSI48_DISABLE() do { CLEAR_BIT(RCC->CRRCR, RCC_CRRCR_HSI48ON); \
SYSCFG->CFGR3 &= (uint32_t)~((uint32_t)(SYSCFG_CFGR3_ENREF_HSI48 | SYSCFG_CFGR3_EN_VREFINT)); \
} while (0)
/** @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__) << 8))
/** @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__) << 24))
/**
* @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 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 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__) \
MODIFY_REG(RCC->CR, RCC_CR_HSEON|RCC_CR_HSEBYP, (uint32_t)(__STATE__))
/**
* @brief Macro to configure the External Low Speed oscillator (LSE).
* @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__) \
MODIFY_REG(RCC->CSR, RCC_CSR_LSEON|RCC_CSR_LSEBYP, (uint32_t)(__STATE__))
/** @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 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 can't 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 RCC_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, ((__RTCCLKSource__) & 0xFFFCFFFF)) : 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__)); \
} while (0)
#define __HAL_RCC_GET_RTC_SOURCE() ((uint32_t)(READ_BIT(RCC->CSR, RCC_CSR_RTCSEL)))
/** @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)
/** @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 clock source used as system clock.
* @retval The clock source used as system clock. The returned value can be one
* of the following:
* - RCC_CFGR_SWS_HSI: HSI used as system clock.
* - RCC_CFGR_SWS_HSE: HSE used as system clock.
* - RCC_CFGR_SWS_PLL: PLL used as system clock.
*/
#define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(RCC->CFGR & RCC_CFGR_SWS))
/** @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))
/** @defgroup 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_LSECSS: LSE CSS interrupt
*/
#define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIER_BYTE0_ADDRESS |= (__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_LSECSS: LSE CSS interrupt
*/
#define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) CIER_BYTE0_ADDRESS &= ~(__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_LSECSS: LSE CSS interrupt
* @arg RCC_IT_CSS: 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_LSECSS: LSE CSS interrupt
* @arg RCC_IT_CSS: 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_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_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 RCC_FLAG_MASK ((uint8_t)0x1F)
#define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->CSR :((((__FLAG__) >> 5) == 3)? \
RCC->CRRCR :RCC->CIFR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK))) != 0 ) ? 1 : 0 )
/**
* @}
*/
#define __RCC_PLLSRC() ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> POSITION_VAL(RCC_PLLCFGR_PLLSRC))
/**
* @}
*/
/* Include RCC HAL Extension module */
#include "stm32l0xx_hal_rcc_ex.h"
/* Exported functions --------------------------------------------------------*/
/* Initialization and de-initialization methods ******************************/
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);
/* Peripheral Control methods ************************************************/
void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
void HAL_RCC_EnableCSS(void);
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_CCSCallback(void);
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32L0xx_HAL_RCC_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/