617 lines
26 KiB
C
617 lines
26 KiB
C
/**
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******************************************************************************
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* @file stm32f0xx_rcc.h
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* @author MCD Application Team
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* @version V1.5.1
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* @date 13-October-2021
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* @brief This file contains all the functions prototypes for the RCC
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* firmware library.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2014 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F0XX_RCC_H
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#define __STM32F0XX_RCC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx.h"
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/** @addtogroup STM32F0xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup RCC
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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typedef struct
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{
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uint32_t SYSCLK_Frequency;
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uint32_t HCLK_Frequency;
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uint32_t PCLK_Frequency;
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uint32_t ADCCLK_Frequency;
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uint32_t CECCLK_Frequency;
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uint32_t I2C1CLK_Frequency;
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uint32_t USART1CLK_Frequency;
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uint32_t USART2CLK_Frequency; /*!< Only applicable for STM32F072 and STM32F091 devices */
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uint32_t USART3CLK_Frequency; /*!< Only applicable for STM32F091 devices */
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uint32_t USBCLK_Frequency; /*!< Only applicable for STM32F072 devices */
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}RCC_ClocksTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup RCC_Exported_Constants
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* @{
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*/
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/** @defgroup RCC_HSE_configuration
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* @{
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*/
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#define RCC_HSE_OFF ((uint8_t)0x00)
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#define RCC_HSE_ON ((uint8_t)0x01)
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#define RCC_HSE_Bypass ((uint8_t)0x05)
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#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
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((HSE) == RCC_HSE_Bypass))
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/**
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* @}
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*/
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/** @defgroup RCC_PLL_Clock_Source
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* @{
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*/
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#define RCC_PLLSource_HSI_Div2 RCC_CFGR_PLLSRC_HSI_Div2
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#define RCC_PLLSource_PREDIV1 RCC_CFGR_PLLSRC_HSE_PREDIV /* Old HSEPREDIV1 bit definition, maintained for legacy purpose */
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#define RCC_PLLSource_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /*!< Only applicable for STM32F072 devices */
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#define RCC_PLLSource_HSI48 RCC_CFGR_PLLSRC_HSI48_PREDIV /*!< Only applicable for STM32F072 devices */
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#define RCC_PLLSource_HSI RCC_CFGR_PLLSRC_HSI_PREDIV /*!< Only applicable for STM32F072 devices */
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#define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI_Div2) || \
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((SOURCE) == RCC_PLLSource_HSI48) || \
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((SOURCE) == RCC_PLLSource_HSI) || \
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((SOURCE) == RCC_PLLSource_HSE) || \
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((SOURCE) == RCC_PLLSource_PREDIV1))
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/**
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* @}
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*/
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/** @defgroup RCC_PLL_Multiplication_Factor
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* @{
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*/
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#define RCC_PLLMul_2 RCC_CFGR_PLLMULL2
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#define RCC_PLLMul_3 RCC_CFGR_PLLMULL3
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#define RCC_PLLMul_4 RCC_CFGR_PLLMULL4
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#define RCC_PLLMul_5 RCC_CFGR_PLLMULL5
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#define RCC_PLLMul_6 RCC_CFGR_PLLMULL6
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#define RCC_PLLMul_7 RCC_CFGR_PLLMULL7
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#define RCC_PLLMul_8 RCC_CFGR_PLLMULL8
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#define RCC_PLLMul_9 RCC_CFGR_PLLMULL9
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#define RCC_PLLMul_10 RCC_CFGR_PLLMULL10
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#define RCC_PLLMul_11 RCC_CFGR_PLLMULL11
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#define RCC_PLLMul_12 RCC_CFGR_PLLMULL12
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#define RCC_PLLMul_13 RCC_CFGR_PLLMULL13
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#define RCC_PLLMul_14 RCC_CFGR_PLLMULL14
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#define RCC_PLLMul_15 RCC_CFGR_PLLMULL15
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#define RCC_PLLMul_16 RCC_CFGR_PLLMULL16
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#define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLLMul_2) || ((MUL) == RCC_PLLMul_3) || \
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((MUL) == RCC_PLLMul_4) || ((MUL) == RCC_PLLMul_5) || \
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((MUL) == RCC_PLLMul_6) || ((MUL) == RCC_PLLMul_7) || \
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((MUL) == RCC_PLLMul_8) || ((MUL) == RCC_PLLMul_9) || \
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((MUL) == RCC_PLLMul_10) || ((MUL) == RCC_PLLMul_11) || \
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((MUL) == RCC_PLLMul_12) || ((MUL) == RCC_PLLMul_13) || \
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((MUL) == RCC_PLLMul_14) || ((MUL) == RCC_PLLMul_15) || \
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((MUL) == RCC_PLLMul_16))
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/**
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* @}
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*/
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/** @defgroup RCC_PREDIV1_division_factor
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* @{
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*/
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#define RCC_PREDIV1_Div1 RCC_CFGR2_PREDIV1_DIV1
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#define RCC_PREDIV1_Div2 RCC_CFGR2_PREDIV1_DIV2
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#define RCC_PREDIV1_Div3 RCC_CFGR2_PREDIV1_DIV3
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#define RCC_PREDIV1_Div4 RCC_CFGR2_PREDIV1_DIV4
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#define RCC_PREDIV1_Div5 RCC_CFGR2_PREDIV1_DIV5
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#define RCC_PREDIV1_Div6 RCC_CFGR2_PREDIV1_DIV6
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#define RCC_PREDIV1_Div7 RCC_CFGR2_PREDIV1_DIV7
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#define RCC_PREDIV1_Div8 RCC_CFGR2_PREDIV1_DIV8
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#define RCC_PREDIV1_Div9 RCC_CFGR2_PREDIV1_DIV9
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#define RCC_PREDIV1_Div10 RCC_CFGR2_PREDIV1_DIV10
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#define RCC_PREDIV1_Div11 RCC_CFGR2_PREDIV1_DIV11
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#define RCC_PREDIV1_Div12 RCC_CFGR2_PREDIV1_DIV12
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#define RCC_PREDIV1_Div13 RCC_CFGR2_PREDIV1_DIV13
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#define RCC_PREDIV1_Div14 RCC_CFGR2_PREDIV1_DIV14
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#define RCC_PREDIV1_Div15 RCC_CFGR2_PREDIV1_DIV15
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#define RCC_PREDIV1_Div16 RCC_CFGR2_PREDIV1_DIV16
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#define IS_RCC_PREDIV1(PREDIV1) (((PREDIV1) == RCC_PREDIV1_Div1) || ((PREDIV1) == RCC_PREDIV1_Div2) || \
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((PREDIV1) == RCC_PREDIV1_Div3) || ((PREDIV1) == RCC_PREDIV1_Div4) || \
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((PREDIV1) == RCC_PREDIV1_Div5) || ((PREDIV1) == RCC_PREDIV1_Div6) || \
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((PREDIV1) == RCC_PREDIV1_Div7) || ((PREDIV1) == RCC_PREDIV1_Div8) || \
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((PREDIV1) == RCC_PREDIV1_Div9) || ((PREDIV1) == RCC_PREDIV1_Div10) || \
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((PREDIV1) == RCC_PREDIV1_Div11) || ((PREDIV1) == RCC_PREDIV1_Div12) || \
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((PREDIV1) == RCC_PREDIV1_Div13) || ((PREDIV1) == RCC_PREDIV1_Div14) || \
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((PREDIV1) == RCC_PREDIV1_Div15) || ((PREDIV1) == RCC_PREDIV1_Div16))
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/**
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* @}
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*/
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/** @defgroup RCC_System_Clock_Source
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* @{
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*/
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#define RCC_SYSCLKSource_HSI RCC_CFGR_SW_HSI
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#define RCC_SYSCLKSource_HSE RCC_CFGR_SW_HSE
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#define RCC_SYSCLKSource_PLLCLK RCC_CFGR_SW_PLL
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#define RCC_SYSCLKSource_HSI48 RCC_CFGR_SW_HSI48 /*!< Only applicable for STM32F072 devices */
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#define IS_RCC_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \
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((SOURCE) == RCC_SYSCLKSource_HSE) || \
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((SOURCE) == RCC_SYSCLKSource_HSI48) || \
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((SOURCE) == RCC_SYSCLKSource_PLLCLK))
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/**
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* @}
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*/
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/** @defgroup RCC_AHB_Clock_Source
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* @{
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*/
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#define RCC_SYSCLK_Div1 RCC_CFGR_HPRE_DIV1
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#define RCC_SYSCLK_Div2 RCC_CFGR_HPRE_DIV2
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#define RCC_SYSCLK_Div4 RCC_CFGR_HPRE_DIV4
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#define RCC_SYSCLK_Div8 RCC_CFGR_HPRE_DIV8
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#define RCC_SYSCLK_Div16 RCC_CFGR_HPRE_DIV16
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#define RCC_SYSCLK_Div64 RCC_CFGR_HPRE_DIV64
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#define RCC_SYSCLK_Div128 RCC_CFGR_HPRE_DIV128
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#define RCC_SYSCLK_Div256 RCC_CFGR_HPRE_DIV256
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#define RCC_SYSCLK_Div512 RCC_CFGR_HPRE_DIV512
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#define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_Div1) || ((HCLK) == RCC_SYSCLK_Div2) || \
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((HCLK) == RCC_SYSCLK_Div4) || ((HCLK) == RCC_SYSCLK_Div8) || \
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((HCLK) == RCC_SYSCLK_Div16) || ((HCLK) == RCC_SYSCLK_Div64) || \
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((HCLK) == RCC_SYSCLK_Div128) || ((HCLK) == RCC_SYSCLK_Div256) || \
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((HCLK) == RCC_SYSCLK_Div512))
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/**
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* @}
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*/
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/** @defgroup RCC_APB_Clock_Source
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* @{
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*/
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#define RCC_HCLK_Div1 RCC_CFGR_PPRE_DIV1
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#define RCC_HCLK_Div2 RCC_CFGR_PPRE_DIV2
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#define RCC_HCLK_Div4 RCC_CFGR_PPRE_DIV4
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#define RCC_HCLK_Div8 RCC_CFGR_PPRE_DIV8
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#define RCC_HCLK_Div16 RCC_CFGR_PPRE_DIV16
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#define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_Div1) || ((PCLK) == RCC_HCLK_Div2) || \
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((PCLK) == RCC_HCLK_Div4) || ((PCLK) == RCC_HCLK_Div8) || \
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((PCLK) == RCC_HCLK_Div16))
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/**
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* @}
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*/
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/** @defgroup RCC_ADC_clock_source
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* @{
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*/
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/* These defines are obsolete and kept for legacy purpose only.
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Proper ADC clock selection is done within ADC driver by mean of the ADC_ClockModeConfig() function */
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#define RCC_ADCCLK_HSI14 ((uint32_t)0x00000000)
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#define RCC_ADCCLK_PCLK_Div2 ((uint32_t)0x01000000)
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#define RCC_ADCCLK_PCLK_Div4 ((uint32_t)0x01004000)
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#define IS_RCC_ADCCLK(ADCCLK) (((ADCCLK) == RCC_ADCCLK_HSI14) || ((ADCCLK) == RCC_ADCCLK_PCLK_Div2) || \
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((ADCCLK) == RCC_ADCCLK_PCLK_Div4))
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/**
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* @}
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*/
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/** @defgroup RCC_CEC_clock_source
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* @{
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*/
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#define RCC_CECCLK_HSI_Div244 ((uint32_t)0x00000000)
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#define RCC_CECCLK_LSE RCC_CFGR3_CECSW
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#define IS_RCC_CECCLK(CECCLK) (((CECCLK) == RCC_CECCLK_HSI_Div244) || ((CECCLK) == RCC_CECCLK_LSE))
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/**
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* @}
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*/
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/** @defgroup RCC_I2C_clock_source
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* @{
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*/
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#define RCC_I2C1CLK_HSI ((uint32_t)0x00000000)
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#define RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW
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#define IS_RCC_I2CCLK(I2CCLK) (((I2CCLK) == RCC_I2C1CLK_HSI) || ((I2CCLK) == RCC_I2C1CLK_SYSCLK))
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/**
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* @}
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*/
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/** @defgroup RCC_USB_clock_source
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* @brief Applicable only for STM32F072 devices
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* @{
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*/
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#define RCC_USBCLK_HSI48 ((uint32_t)0x00000000)
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#define RCC_USBCLK_PLLCLK RCC_CFGR3_USBSW
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#define IS_RCC_USBCLK(USBCLK) (((USBCLK) == RCC_USBCLK_HSI48) || ((USBCLK) == RCC_USBCLK_PLLCLK))
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/**
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* @}
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*/
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/** @defgroup RCC_USART_clock_source
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* @{
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*/
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#define RCC_USART1CLK_PCLK ((uint32_t)0x10000000)
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#define RCC_USART1CLK_SYSCLK ((uint32_t)0x10000001)
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#define RCC_USART1CLK_LSE ((uint32_t)0x10000002)
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#define RCC_USART1CLK_HSI ((uint32_t)0x10000003)
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#define RCC_USART2CLK_PCLK ((uint32_t)0x20000000) /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_USART2CLK_SYSCLK ((uint32_t)0x20010000) /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_USART2CLK_LSE ((uint32_t)0x20020000) /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_USART2CLK_HSI ((uint32_t)0x20030000) /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_USART3CLK_PCLK ((uint32_t)0x30000000) /*!< Only applicable for STM32F091 devices */
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#define RCC_USART3CLK_SYSCLK ((uint32_t)0x30040000) /*!< Only applicable for STM32F091 devices */
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#define RCC_USART3CLK_LSE ((uint32_t)0x30080000) /*!< Only applicable for STM32F091 devices */
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#define RCC_USART3CLK_HSI ((uint32_t)0x300C0000) /*!< Only applicable for STM32F091 devices */
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#define IS_RCC_USARTCLK(USARTCLK) (((USARTCLK) == RCC_USART1CLK_PCLK) || \
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((USARTCLK) == RCC_USART1CLK_SYSCLK) || \
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((USARTCLK) == RCC_USART1CLK_LSE) || \
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((USARTCLK) == RCC_USART1CLK_HSI) || \
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((USARTCLK) == RCC_USART2CLK_PCLK) || \
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((USARTCLK) == RCC_USART2CLK_SYSCLK) || \
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((USARTCLK) == RCC_USART2CLK_LSE) || \
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((USARTCLK) == RCC_USART2CLK_HSI)|| \
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((USARTCLK) == RCC_USART3CLK_PCLK) || \
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((USARTCLK) == RCC_USART3CLK_SYSCLK) || \
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((USARTCLK) == RCC_USART3CLK_LSE) || \
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((USARTCLK) == RCC_USART3CLK_HSI))
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/**
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* @}
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*/
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/** @defgroup RCC_Interrupt_Source
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* @{
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*/
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#define RCC_IT_LSIRDY ((uint8_t)0x01)
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#define RCC_IT_LSERDY ((uint8_t)0x02)
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#define RCC_IT_HSIRDY ((uint8_t)0x04)
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#define RCC_IT_HSERDY ((uint8_t)0x08)
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#define RCC_IT_PLLRDY ((uint8_t)0x10)
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#define RCC_IT_HSI14RDY ((uint8_t)0x20)
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#define RCC_IT_HSI48RDY ((uint8_t)0x40) /*!< Only applicable for STM32F072 devices */
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#define RCC_IT_CSS ((uint8_t)0x80)
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#define IS_RCC_IT(IT) ((((IT) & (uint8_t)0x80) == 0x00) && ((IT) != 0x00))
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#define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \
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((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \
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((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_HSI14RDY) || \
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((IT) == RCC_IT_CSS) || ((IT) == RCC_IT_HSI48RDY))
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#define IS_RCC_CLEAR_IT(IT) ((IT) != 0x00)
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/**
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* @}
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*/
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/** @defgroup RCC_LSE_Configuration
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* @{
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*/
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#define RCC_LSE_OFF ((uint32_t)0x00000000)
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#define RCC_LSE_ON RCC_BDCR_LSEON
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#define RCC_LSE_Bypass ((uint32_t)(RCC_BDCR_LSEON | RCC_BDCR_LSEBYP))
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#define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
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((LSE) == RCC_LSE_Bypass))
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/**
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* @}
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*/
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/** @defgroup RCC_RTC_Clock_Source
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* @{
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*/
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#define RCC_RTCCLKSource_LSE RCC_BDCR_RTCSEL_LSE
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#define RCC_RTCCLKSource_LSI RCC_BDCR_RTCSEL_LSI
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#define RCC_RTCCLKSource_HSE_Div32 RCC_BDCR_RTCSEL_HSE
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#define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSource_LSE) || \
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((SOURCE) == RCC_RTCCLKSource_LSI) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div32))
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/**
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* @}
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*/
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/** @defgroup RCC_LSE_Drive_Configuration
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* @{
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*/
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#define RCC_LSEDrive_Low ((uint32_t)0x00000000)
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#define RCC_LSEDrive_MediumLow RCC_BDCR_LSEDRV_0
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#define RCC_LSEDrive_MediumHigh RCC_BDCR_LSEDRV_1
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#define RCC_LSEDrive_High RCC_BDCR_LSEDRV
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#define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDrive_Low) || ((DRIVE) == RCC_LSEDrive_MediumLow) || \
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((DRIVE) == RCC_LSEDrive_MediumHigh) || ((DRIVE) == RCC_LSEDrive_High))
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/**
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* @}
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*/
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/** @defgroup RCC_AHB_Peripherals
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* @{
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*/
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#define RCC_AHBPeriph_GPIOA RCC_AHBENR_GPIOAEN
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#define RCC_AHBPeriph_GPIOB RCC_AHBENR_GPIOBEN
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#define RCC_AHBPeriph_GPIOC RCC_AHBENR_GPIOCEN
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#define RCC_AHBPeriph_GPIOD RCC_AHBENR_GPIODEN
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#define RCC_AHBPeriph_GPIOE RCC_AHBENR_GPIOEEN /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_AHBPeriph_GPIOF RCC_AHBENR_GPIOFEN
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#define RCC_AHBPeriph_TS RCC_AHBENR_TSEN
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#define RCC_AHBPeriph_CRC RCC_AHBENR_CRCEN
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#define RCC_AHBPeriph_FLITF RCC_AHBENR_FLITFEN
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#define RCC_AHBPeriph_SRAM RCC_AHBENR_SRAMEN
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#define RCC_AHBPeriph_DMA1 RCC_AHBENR_DMA1EN
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#define RCC_AHBPeriph_DMA2 RCC_AHBENR_DMA2EN
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#define IS_RCC_AHB_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
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#define IS_RCC_AHB_RST_PERIPH(PERIPH) ((((PERIPH) & 0xFE81FFA8) == 0x00) && ((PERIPH) != 0x00))
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/**
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* @}
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*/
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/** @defgroup RCC_APB2_Peripherals
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* @{
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*/
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#define RCC_APB2Periph_SYSCFG RCC_APB2ENR_SYSCFGEN
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#define RCC_APB2Periph_USART6 RCC_APB2ENR_USART6EN
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#define RCC_APB2Periph_USART7 RCC_APB2ENR_USART7EN
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#define RCC_APB2Periph_USART8 RCC_APB2ENR_USART8EN
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#define RCC_APB2Periph_ADC1 RCC_APB2ENR_ADC1EN
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#define RCC_APB2Periph_TIM1 RCC_APB2ENR_TIM1EN
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#define RCC_APB2Periph_SPI1 RCC_APB2ENR_SPI1EN
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#define RCC_APB2Periph_USART1 RCC_APB2ENR_USART1EN
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#define RCC_APB2Periph_TIM15 RCC_APB2ENR_TIM15EN
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#define RCC_APB2Periph_TIM16 RCC_APB2ENR_TIM16EN
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#define RCC_APB2Periph_TIM17 RCC_APB2ENR_TIM17EN
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#define RCC_APB2Periph_DBGMCU RCC_APB2ENR_DBGMCUEN
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#define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFB8A51E) == 0x00) && ((PERIPH) != 0x00))
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/**
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* @}
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*/
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/** @defgroup RCC_APB1_Peripherals
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* @{
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*/
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#define RCC_APB1Periph_TIM2 RCC_APB1ENR_TIM2EN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
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#define RCC_APB1Periph_TIM3 RCC_APB1ENR_TIM3EN
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#define RCC_APB1Periph_TIM6 RCC_APB1ENR_TIM6EN
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#define RCC_APB1Periph_TIM7 RCC_APB1ENR_TIM7EN /*!< Only applicable for STM32F072 devices */
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#define RCC_APB1Periph_TIM14 RCC_APB1ENR_TIM14EN
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#define RCC_APB1Periph_WWDG RCC_APB1ENR_WWDGEN
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#define RCC_APB1Periph_SPI2 RCC_APB1ENR_SPI2EN
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#define RCC_APB1Periph_USART2 RCC_APB1ENR_USART2EN
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#define RCC_APB1Periph_USART3 RCC_APB1ENR_USART3EN /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_APB1Periph_USART4 RCC_APB1ENR_USART4EN /*!< Only applicable for STM32F072 and STM32F091 devices */
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#define RCC_APB1Periph_USART5 RCC_APB1ENR_USART5EN /*!< Only applicable for STM32F091 devices */
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#define RCC_APB1Periph_I2C1 RCC_APB1ENR_I2C1EN
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#define RCC_APB1Periph_I2C2 RCC_APB1ENR_I2C2EN
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#define RCC_APB1Periph_USB RCC_APB1ENR_USBEN /*!< Only applicable for STM32F072 and STM32F042 devices */
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#define RCC_APB1Periph_CAN RCC_APB1ENR_CANEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
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#define RCC_APB1Periph_CRS RCC_APB1ENR_CRSEN /*!< Only applicable for STM32F072, STM32F042 and STM32F091 devices */
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#define RCC_APB1Periph_PWR RCC_APB1ENR_PWREN
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#define RCC_APB1Periph_DAC RCC_APB1ENR_DACEN /*!< Only applicable for STM32F051, STM32F072 and STM32F091 devices */
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#define RCC_APB1Periph_CEC RCC_APB1ENR_CECEN /*!< Only applicable for STM32F051, STM32F042, STM32F072 and STM32F091 devices */
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#define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0x8581B6CC) == 0x00) && ((PERIPH) != 0x00))
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/**
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* @}
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*/
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/** @defgroup RCC_MCO_Clock_Source
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* @{
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*/
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#define RCC_MCOSource_NoClock ((uint8_t)0x00)
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#define RCC_MCOSource_HSI14 ((uint8_t)0x01)
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#define RCC_MCOSource_LSI ((uint8_t)0x02)
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#define RCC_MCOSource_LSE ((uint8_t)0x03)
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#define RCC_MCOSource_SYSCLK ((uint8_t)0x04)
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#define RCC_MCOSource_HSI ((uint8_t)0x05)
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#define RCC_MCOSource_HSE ((uint8_t)0x06)
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#define RCC_MCOSource_PLLCLK_Div2 ((uint8_t)0x07)
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#define RCC_MCOSource_HSI48 ((uint8_t)0x08) /*!< Only applicable for STM32F072 devices */
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#define RCC_MCOSource_PLLCLK ((uint8_t)0x87)
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#define IS_RCC_MCO_SOURCE(SOURCE) (((SOURCE) == RCC_MCOSource_NoClock) || ((SOURCE) == RCC_MCOSource_HSI14) || \
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((SOURCE) == RCC_MCOSource_SYSCLK) || ((SOURCE) == RCC_MCOSource_HSI) || \
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((SOURCE) == RCC_MCOSource_HSE) || ((SOURCE) == RCC_MCOSource_PLLCLK_Div2)|| \
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((SOURCE) == RCC_MCOSource_LSI) || ((SOURCE) == RCC_MCOSource_HSI48) || \
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((SOURCE) == RCC_MCOSource_PLLCLK) || ((SOURCE) == RCC_MCOSource_LSE))
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/**
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* @}
|
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*/
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/** @defgroup RCC_MCOPrescaler
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* @{
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*/
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#if !defined (STM32F051)
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#define RCC_MCOPrescaler_1 RCC_CFGR_MCO_PRE_1
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#define RCC_MCOPrescaler_2 RCC_CFGR_MCO_PRE_2
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#define RCC_MCOPrescaler_4 RCC_CFGR_MCO_PRE_4
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|
#define RCC_MCOPrescaler_8 RCC_CFGR_MCO_PRE_8
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|
#define RCC_MCOPrescaler_16 RCC_CFGR_MCO_PRE_16
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#define RCC_MCOPrescaler_32 RCC_CFGR_MCO_PRE_32
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#define RCC_MCOPrescaler_64 RCC_CFGR_MCO_PRE_64
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#define RCC_MCOPrescaler_128 RCC_CFGR_MCO_PRE_128
|
|
|
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#define IS_RCC_MCO_PRESCALER(PRESCALER) (((PRESCALER) == RCC_MCOPrescaler_1) || \
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((PRESCALER) == RCC_MCOPrescaler_2) || \
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((PRESCALER) == RCC_MCOPrescaler_4) || \
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((PRESCALER) == RCC_MCOPrescaler_8) || \
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((PRESCALER) == RCC_MCOPrescaler_16) || \
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((PRESCALER) == RCC_MCOPrescaler_32) || \
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|
((PRESCALER) == RCC_MCOPrescaler_64) || \
|
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((PRESCALER) == RCC_MCOPrescaler_128))
|
|
#endif /* STM32F051 */
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup RCC_Flag
|
|
* @{
|
|
*/
|
|
#define RCC_FLAG_HSIRDY ((uint8_t)0x01)
|
|
#define RCC_FLAG_HSERDY ((uint8_t)0x11)
|
|
#define RCC_FLAG_PLLRDY ((uint8_t)0x19)
|
|
#define RCC_FLAG_LSERDY ((uint8_t)0x21)
|
|
#define RCC_FLAG_LSIRDY ((uint8_t)0x41)
|
|
#define RCC_FLAG_V18PWRRSTF ((uint8_t)0x57)
|
|
#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)
|
|
#define RCC_FLAG_HSI14RDY ((uint8_t)0x61)
|
|
#define RCC_FLAG_HSI48RDY ((uint8_t)0x71) /*!< Only applicable for STM32F072 devices */
|
|
|
|
#define IS_RCC_FLAG(FLAG) (((FLAG) == RCC_FLAG_HSIRDY) || ((FLAG) == RCC_FLAG_HSERDY) || \
|
|
((FLAG) == RCC_FLAG_PLLRDY) || ((FLAG) == RCC_FLAG_LSERDY) || \
|
|
((FLAG) == RCC_FLAG_LSIRDY) || ((FLAG) == RCC_FLAG_OBLRST) || \
|
|
((FLAG) == RCC_FLAG_PINRST) || ((FLAG) == RCC_FLAG_PORRST) || \
|
|
((FLAG) == RCC_FLAG_SFTRST) || ((FLAG) == RCC_FLAG_IWDGRST) || \
|
|
((FLAG) == RCC_FLAG_WWDGRST) || ((FLAG) == RCC_FLAG_LPWRRST) || \
|
|
((FLAG) == RCC_FLAG_HSI14RDY)|| ((FLAG) == RCC_FLAG_HSI48RDY)|| \
|
|
((FLAG) == RCC_FLAG_V18PWRRSTF))
|
|
|
|
#define IS_RCC_HSI_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
|
|
#define IS_RCC_HSI14_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Exported macro ------------------------------------------------------------*/
|
|
/* Exported functions ------------------------------------------------------- */
|
|
|
|
/* Function used to set the RCC clock configuration to the default reset state */
|
|
void RCC_DeInit(void);
|
|
|
|
/* Internal/external clocks, PLL, CSS and MCO configuration functions *********/
|
|
void RCC_HSEConfig(uint8_t RCC_HSE);
|
|
ErrorStatus RCC_WaitForHSEStartUp(void);
|
|
void RCC_AdjustHSICalibrationValue(uint8_t HSICalibrationValue);
|
|
void RCC_HSICmd(FunctionalState NewState);
|
|
void RCC_AdjustHSI14CalibrationValue(uint8_t HSI14CalibrationValue);
|
|
void RCC_HSI14Cmd(FunctionalState NewState);
|
|
void RCC_HSI14ADCRequestCmd(FunctionalState NewState);
|
|
void RCC_LSEConfig(uint32_t RCC_LSE);
|
|
void RCC_LSEDriveConfig(uint32_t RCC_LSEDrive);
|
|
void RCC_LSICmd(FunctionalState NewState);
|
|
void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t RCC_PLLMul);
|
|
void RCC_PLLCmd(FunctionalState NewState);
|
|
void RCC_HSI48Cmd(FunctionalState NewState); /*!< Only applicable for STM32F072 devices */
|
|
uint32_t RCC_GetHSI48CalibrationValue(void); /*!< Only applicable for STM32F072 devices */
|
|
void RCC_PREDIV1Config(uint32_t RCC_PREDIV1_Div);
|
|
void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
|
|
#ifdef STM32F051
|
|
void RCC_MCOConfig(uint8_t RCC_MCOSource);
|
|
#else
|
|
void RCC_MCOConfig(uint8_t RCC_MCOSource,uint32_t RCC_MCOPrescaler);
|
|
#endif /* STM32F051 */
|
|
|
|
/* System, AHB and APB busses clocks configuration functions ******************/
|
|
void RCC_SYSCLKConfig(uint32_t RCC_SYSCLKSource);
|
|
uint8_t RCC_GetSYSCLKSource(void);
|
|
void RCC_HCLKConfig(uint32_t RCC_SYSCLK);
|
|
void RCC_PCLKConfig(uint32_t RCC_HCLK);
|
|
void RCC_ADCCLKConfig(uint32_t RCC_ADCCLK); /* This function is obsolete.
|
|
For proper ADC clock selection, refer to
|
|
ADC_ClockModeConfig() in the ADC driver */
|
|
void RCC_CECCLKConfig(uint32_t RCC_CECCLK);
|
|
void RCC_I2CCLKConfig(uint32_t RCC_I2CCLK);
|
|
void RCC_USARTCLKConfig(uint32_t RCC_USARTCLK);
|
|
void RCC_USBCLKConfig(uint32_t RCC_USBCLK); /*!< Only applicable for STM32F042 and STM32F072 devices */
|
|
void RCC_GetClocksFreq(RCC_ClocksTypeDef* RCC_Clocks);
|
|
|
|
/* Peripheral clocks configuration functions **********************************/
|
|
void RCC_RTCCLKConfig(uint32_t RCC_RTCCLKSource);
|
|
void RCC_RTCCLKCmd(FunctionalState NewState);
|
|
void RCC_BackupResetCmd(FunctionalState NewState);
|
|
|
|
void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
|
|
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
|
|
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
|
|
|
|
void RCC_AHBPeriphResetCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);
|
|
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
|
|
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
|
|
|
|
/* Interrupts and flags management functions **********************************/
|
|
void RCC_ITConfig(uint8_t RCC_IT, FunctionalState NewState);
|
|
FlagStatus RCC_GetFlagStatus(uint8_t RCC_FLAG);
|
|
void RCC_ClearFlag(void);
|
|
ITStatus RCC_GetITStatus(uint8_t RCC_IT);
|
|
void RCC_ClearITPendingBit(uint8_t RCC_IT);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STM32F0XX_RCC_H */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|