2013-01-08 22:40:58 +08:00
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/**
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******************************************************************************
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* @file stm32f2xx_rcc.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 18-April-2011
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* @brief This file contains all the functions prototypes for the RCC firmware library.
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******************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F2xx_RCC_H
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#define __STM32F2xx_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 "stm32f2xx.h"
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/** @addtogroup STM32F2xx_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; /*!< SYSCLK clock frequency expressed in Hz */
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uint32_t HCLK_Frequency; /*!< HCLK clock frequency expressed in Hz */
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uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency expressed in Hz */
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uint32_t PCLK2_Frequency; /*!< PCLK2 clock frequency expressed in Hz */
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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 ((uint32_t)0x00000000)
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#define RCC_PLLSource_HSE ((uint32_t)0x00400000)
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#define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI) || \
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((SOURCE) == RCC_PLLSource_HSE))
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#define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63)
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#define IS_RCC_PLLN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432))
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#define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2) || ((VALUE) == 4) || ((VALUE) == 6) || ((VALUE) == 8))
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#define IS_RCC_PLLQ_VALUE(VALUE) ((4 <= (VALUE)) && ((VALUE) <= 15))
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#define IS_RCC_PLLI2SN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432))
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#define IS_RCC_PLLI2SR_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 7))
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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 ((uint32_t)0x00000000)
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#define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001)
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#define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002)
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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_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 ((uint32_t)0x00000000)
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#define RCC_SYSCLK_Div2 ((uint32_t)0x00000080)
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#define RCC_SYSCLK_Div4 ((uint32_t)0x00000090)
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#define RCC_SYSCLK_Div8 ((uint32_t)0x000000A0)
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#define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0)
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#define RCC_SYSCLK_Div64 ((uint32_t)0x000000C0)
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#define RCC_SYSCLK_Div128 ((uint32_t)0x000000D0)
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#define RCC_SYSCLK_Div256 ((uint32_t)0x000000E0)
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#define RCC_SYSCLK_Div512 ((uint32_t)0x000000F0)
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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_APB1_APB2_Clock_Source
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* @{
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*/
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#define RCC_HCLK_Div1 ((uint32_t)0x00000000)
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#define RCC_HCLK_Div2 ((uint32_t)0x00001000)
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#define RCC_HCLK_Div4 ((uint32_t)0x00001400)
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#define RCC_HCLK_Div8 ((uint32_t)0x00001800)
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#define RCC_HCLK_Div16 ((uint32_t)0x00001C00)
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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_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_PLLI2SRDY ((uint8_t)0x20)
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#define RCC_IT_CSS ((uint8_t)0x80)
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#define IS_RCC_IT(IT) ((((IT) & (uint8_t)0xC0) == 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_CSS) || \
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((IT) == RCC_IT_PLLI2SRDY))
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#define IS_RCC_CLEAR_IT(IT) ((((IT) & (uint8_t)0x40) == 0x00) && ((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 ((uint8_t)0x00)
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#define RCC_LSE_ON ((uint8_t)0x01)
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#define RCC_LSE_Bypass ((uint8_t)0x04)
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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 ((uint32_t)0x00000100)
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#define RCC_RTCCLKSource_LSI ((uint32_t)0x00000200)
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#define RCC_RTCCLKSource_HSE_Div2 ((uint32_t)0x00020300)
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#define RCC_RTCCLKSource_HSE_Div3 ((uint32_t)0x00030300)
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#define RCC_RTCCLKSource_HSE_Div4 ((uint32_t)0x00040300)
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#define RCC_RTCCLKSource_HSE_Div5 ((uint32_t)0x00050300)
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#define RCC_RTCCLKSource_HSE_Div6 ((uint32_t)0x00060300)
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#define RCC_RTCCLKSource_HSE_Div7 ((uint32_t)0x00070300)
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#define RCC_RTCCLKSource_HSE_Div8 ((uint32_t)0x00080300)
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#define RCC_RTCCLKSource_HSE_Div9 ((uint32_t)0x00090300)
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#define RCC_RTCCLKSource_HSE_Div10 ((uint32_t)0x000A0300)
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#define RCC_RTCCLKSource_HSE_Div11 ((uint32_t)0x000B0300)
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#define RCC_RTCCLKSource_HSE_Div12 ((uint32_t)0x000C0300)
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#define RCC_RTCCLKSource_HSE_Div13 ((uint32_t)0x000D0300)
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#define RCC_RTCCLKSource_HSE_Div14 ((uint32_t)0x000E0300)
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#define RCC_RTCCLKSource_HSE_Div15 ((uint32_t)0x000F0300)
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#define RCC_RTCCLKSource_HSE_Div16 ((uint32_t)0x00100300)
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#define RCC_RTCCLKSource_HSE_Div17 ((uint32_t)0x00110300)
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#define RCC_RTCCLKSource_HSE_Div18 ((uint32_t)0x00120300)
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#define RCC_RTCCLKSource_HSE_Div19 ((uint32_t)0x00130300)
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#define RCC_RTCCLKSource_HSE_Div20 ((uint32_t)0x00140300)
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#define RCC_RTCCLKSource_HSE_Div21 ((uint32_t)0x00150300)
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#define RCC_RTCCLKSource_HSE_Div22 ((uint32_t)0x00160300)
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#define RCC_RTCCLKSource_HSE_Div23 ((uint32_t)0x00170300)
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#define RCC_RTCCLKSource_HSE_Div24 ((uint32_t)0x00180300)
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#define RCC_RTCCLKSource_HSE_Div25 ((uint32_t)0x00190300)
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#define RCC_RTCCLKSource_HSE_Div26 ((uint32_t)0x001A0300)
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#define RCC_RTCCLKSource_HSE_Div27 ((uint32_t)0x001B0300)
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#define RCC_RTCCLKSource_HSE_Div28 ((uint32_t)0x001C0300)
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#define RCC_RTCCLKSource_HSE_Div29 ((uint32_t)0x001D0300)
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#define RCC_RTCCLKSource_HSE_Div30 ((uint32_t)0x001E0300)
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#define RCC_RTCCLKSource_HSE_Div31 ((uint32_t)0x001F0300)
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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_Div2) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div3) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div4) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div5) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div6) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div7) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div8) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div9) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div10) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div11) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div12) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div13) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div14) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div15) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div16) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div17) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div18) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div19) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div20) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div21) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div22) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div23) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div24) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div25) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div26) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div27) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div28) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div29) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div30) || \
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((SOURCE) == RCC_RTCCLKSource_HSE_Div31))
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/**
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* @}
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*/
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/** @defgroup RCC_I2S_Clock_Source
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* @{
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*/
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#define RCC_I2S2CLKSource_PLLI2S ((uint8_t)0x00)
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#define RCC_I2S2CLKSource_Ext ((uint8_t)0x01)
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#define IS_RCC_I2SCLK_SOURCE(SOURCE) (((SOURCE) == RCC_I2S2CLKSource_PLLI2S) || ((SOURCE) == RCC_I2S2CLKSource_Ext))
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/**
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* @}
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*/
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/** @defgroup RCC_AHB1_Peripherals
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* @{
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*/
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#define RCC_AHB1Periph_GPIOA ((uint32_t)0x00000001)
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#define RCC_AHB1Periph_GPIOB ((uint32_t)0x00000002)
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#define RCC_AHB1Periph_GPIOC ((uint32_t)0x00000004)
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#define RCC_AHB1Periph_GPIOD ((uint32_t)0x00000008)
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#define RCC_AHB1Periph_GPIOE ((uint32_t)0x00000010)
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#define RCC_AHB1Periph_GPIOF ((uint32_t)0x00000020)
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#define RCC_AHB1Periph_GPIOG ((uint32_t)0x00000040)
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#define RCC_AHB1Periph_GPIOH ((uint32_t)0x00000080)
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#define RCC_AHB1Periph_GPIOI ((uint32_t)0x00000100)
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#define RCC_AHB1Periph_CRC ((uint32_t)0x00001000)
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#define RCC_AHB1Periph_FLITF ((uint32_t)0x00008000)
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#define RCC_AHB1Periph_SRAM1 ((uint32_t)0x00010000)
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#define RCC_AHB1Periph_SRAM2 ((uint32_t)0x00020000)
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#define RCC_AHB1Periph_BKPSRAM ((uint32_t)0x00040000)
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#define RCC_AHB1Periph_DMA1 ((uint32_t)0x00200000)
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#define RCC_AHB1Periph_DMA2 ((uint32_t)0x00400000)
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#define RCC_AHB1Periph_ETH_MAC ((uint32_t)0x02000000)
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#define RCC_AHB1Periph_ETH_MAC_Tx ((uint32_t)0x04000000)
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#define RCC_AHB1Periph_ETH_MAC_Rx ((uint32_t)0x08000000)
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#define RCC_AHB1Periph_ETH_MAC_PTP ((uint32_t)0x10000000)
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#define RCC_AHB1Periph_OTG_HS ((uint32_t)0x20000000)
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#define RCC_AHB1Periph_OTG_HS_ULPI ((uint32_t)0x40000000)
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#define IS_RCC_AHB1_CLOCK_PERIPH(PERIPH) ((((PERIPH) & 0x819BEE00) == 0x00) && ((PERIPH) != 0x00))
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#define IS_RCC_AHB1_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xDD9FEE00) == 0x00) && ((PERIPH) != 0x00))
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#define IS_RCC_AHB1_LPMODE_PERIPH(PERIPH) ((((PERIPH) & 0x81986E00) == 0x00) && ((PERIPH) != 0x00))
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/**
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* @}
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*/
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/** @defgroup RCC_AHB2_Peripherals
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* @{
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*/
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#define RCC_AHB2Periph_DCMI ((uint32_t)0x00000001)
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#define RCC_AHB2Periph_CRYP ((uint32_t)0x00000010)
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#define RCC_AHB2Periph_HASH ((uint32_t)0x00000020)
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#define RCC_AHB2Periph_RNG ((uint32_t)0x00000040)
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#define RCC_AHB2Periph_OTG_FS ((uint32_t)0x00000080)
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#define IS_RCC_AHB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFF0E) == 0x00) && ((PERIPH) != 0x00))
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/**
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* @}
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*/
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/** @defgroup RCC_AHB3_Peripherals
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* @{
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*/
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#define RCC_AHB3Periph_FSMC ((uint32_t)0x00000001)
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#define IS_RCC_AHB3_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFFFE) == 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 ((uint32_t)0x00000001)
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#define RCC_APB1Periph_TIM3 ((uint32_t)0x00000002)
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#define RCC_APB1Periph_TIM4 ((uint32_t)0x00000004)
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#define RCC_APB1Periph_TIM5 ((uint32_t)0x00000008)
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#define RCC_APB1Periph_TIM6 ((uint32_t)0x00000010)
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#define RCC_APB1Periph_TIM7 ((uint32_t)0x00000020)
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#define RCC_APB1Periph_TIM12 ((uint32_t)0x00000040)
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#define RCC_APB1Periph_TIM13 ((uint32_t)0x00000080)
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#define RCC_APB1Periph_TIM14 ((uint32_t)0x00000100)
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#define RCC_APB1Periph_WWDG ((uint32_t)0x00000800)
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#define RCC_APB1Periph_SPI2 ((uint32_t)0x00004000)
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#define RCC_APB1Periph_SPI3 ((uint32_t)0x00008000)
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#define RCC_APB1Periph_USART2 ((uint32_t)0x00020000)
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#define RCC_APB1Periph_USART3 ((uint32_t)0x00040000)
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#define RCC_APB1Periph_UART4 ((uint32_t)0x00080000)
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#define RCC_APB1Periph_UART5 ((uint32_t)0x00100000)
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#define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000)
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#define RCC_APB1Periph_I2C2 ((uint32_t)0x00400000)
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#define RCC_APB1Periph_I2C3 ((uint32_t)0x00800000)
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#define RCC_APB1Periph_CAN1 ((uint32_t)0x02000000)
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#define RCC_APB1Periph_CAN2 ((uint32_t)0x04000000)
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#define RCC_APB1Periph_PWR ((uint32_t)0x10000000)
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#define RCC_APB1Periph_DAC ((uint32_t)0x20000000)
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#define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0xC9013600) == 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_TIM1 ((uint32_t)0x00000001)
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#define RCC_APB2Periph_TIM8 ((uint32_t)0x00000002)
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#define RCC_APB2Periph_USART1 ((uint32_t)0x00000010)
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#define RCC_APB2Periph_USART6 ((uint32_t)0x00000020)
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#define RCC_APB2Periph_ADC ((uint32_t)0x00000100)
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#define RCC_APB2Periph_ADC1 ((uint32_t)0x00000100)
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#define RCC_APB2Periph_ADC2 ((uint32_t)0x00000200)
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#define RCC_APB2Periph_ADC3 ((uint32_t)0x00000400)
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#define RCC_APB2Periph_SDIO ((uint32_t)0x00000800)
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#define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000)
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#define RCC_APB2Periph_SYSCFG ((uint32_t)0x00004000)
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#define RCC_APB2Periph_TIM9 ((uint32_t)0x00010000)
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#define RCC_APB2Periph_TIM10 ((uint32_t)0x00020000)
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#define RCC_APB2Periph_TIM11 ((uint32_t)0x00040000)
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#define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFF8A0CC) == 0x00) && ((PERIPH) != 0x00))
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#define IS_RCC_APB2_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xFFF8A6CC) == 0x00) && ((PERIPH) != 0x00))
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/**
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|
|
* @}
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|
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|
*/
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/** @defgroup RCC_MCO1_Clock_Source_Prescaler
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|
* @{
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*/
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|
#define RCC_MCO1Source_HSI ((uint32_t)0x00000000)
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#define RCC_MCO1Source_LSE ((uint32_t)0x00200000)
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|
#define RCC_MCO1Source_HSE ((uint32_t)0x00400000)
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|
|
#define RCC_MCO1Source_PLLCLK ((uint32_t)0x00600000)
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|
|
#define RCC_MCO1Div_1 ((uint32_t)0x00000000)
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|
#define RCC_MCO1Div_2 ((uint32_t)0x04000000)
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|
#define RCC_MCO1Div_3 ((uint32_t)0x05000000)
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|
|
#define RCC_MCO1Div_4 ((uint32_t)0x06000000)
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|
|
#define RCC_MCO1Div_5 ((uint32_t)0x07000000)
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|
|
#define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1Source_HSI) || ((SOURCE) == RCC_MCO1Source_LSE) || \
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|
((SOURCE) == RCC_MCO1Source_HSE) || ((SOURCE) == RCC_MCO1Source_PLLCLK))
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|
|
#define IS_RCC_MCO1DIV(DIV) (((DIV) == RCC_MCO1Div_1) || ((DIV) == RCC_MCO1Div_2) || \
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|
|
((DIV) == RCC_MCO1Div_3) || ((DIV) == RCC_MCO1Div_4) || \
|
|
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|
|
((DIV) == RCC_MCO1Div_5))
|
|
|
|
|
/**
|
|
|
|
|
* @}
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/** @defgroup RCC_MCO2_Clock_Source_Prescaler
|
|
|
|
|
* @{
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|
|
|
|
*/
|
|
|
|
|
#define RCC_MCO2Source_SYSCLK ((uint32_t)0x00000000)
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|
|
|
|
#define RCC_MCO2Source_PLLI2SCLK ((uint32_t)0x40000000)
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|
|
|
|
#define RCC_MCO2Source_HSE ((uint32_t)0x80000000)
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|
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|
|
#define RCC_MCO2Source_PLLCLK ((uint32_t)0xC0000000)
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|
|
|
|
#define RCC_MCO2Div_1 ((uint32_t)0x00000000)
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|
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|
|
#define RCC_MCO2Div_2 ((uint32_t)0x20000000)
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|
|
#define RCC_MCO2Div_3 ((uint32_t)0x28000000)
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|
|
|
|
#define RCC_MCO2Div_4 ((uint32_t)0x30000000)
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|
|
|
|
#define RCC_MCO2Div_5 ((uint32_t)0x38000000)
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|
|
|
|
#define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2Source_SYSCLK) || ((SOURCE) == RCC_MCO2Source_PLLI2SCLK)|| \
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|
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|
|
((SOURCE) == RCC_MCO2Source_HSE) || ((SOURCE) == RCC_MCO2Source_PLLCLK))
|
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|
|
|
|
#define IS_RCC_MCO2DIV(DIV) (((DIV) == RCC_MCO2Div_1) || ((DIV) == RCC_MCO2Div_2) || \
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|
|
|
|
((DIV) == RCC_MCO2Div_3) || ((DIV) == RCC_MCO2Div_4) || \
|
|
|
|
|
((DIV) == RCC_MCO2Div_5))
|
|
|
|
|
/**
|
|
|
|
|
* @}
|
|
|
|
|
*/
|
|
|
|
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|
|
|
|
|
/** @defgroup RCC_Flag
|
|
|
|
|
* @{
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|
|
|
|
*/
|
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|
|
#define RCC_FLAG_HSIRDY ((uint8_t)0x21)
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|
|
|
#define RCC_FLAG_HSERDY ((uint8_t)0x31)
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|
|
|
|
#define RCC_FLAG_PLLRDY ((uint8_t)0x39)
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|
|
#define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B)
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|
|
|
#define RCC_FLAG_LSERDY ((uint8_t)0x41)
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|
|
|
|
#define RCC_FLAG_LSIRDY ((uint8_t)0x61)
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|
|
#define RCC_FLAG_BORRST ((uint8_t)0x79)
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|
|
|
#define RCC_FLAG_PINRST ((uint8_t)0x7A)
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|
|
|
|
#define RCC_FLAG_PORRST ((uint8_t)0x7B)
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|
|
|
|
#define RCC_FLAG_SFTRST ((uint8_t)0x7C)
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|
|
|
|
#define RCC_FLAG_IWDGRST ((uint8_t)0x7D)
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|
|
|
|
#define RCC_FLAG_WWDGRST ((uint8_t)0x7E)
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|
|
|
|
#define RCC_FLAG_LPWRRST ((uint8_t)0x7F)
|
|
|
|
|
#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_BORRST) || \
|
|
|
|
|
((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_PLLI2SRDY))
|
|
|
|
|
#define IS_RCC_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_LSEConfig(uint8_t RCC_LSE);
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|
|
|
|
void RCC_LSICmd(FunctionalState NewState);
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|
|
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|
|
void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP, uint32_t PLLQ);
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|
|
|
|
void RCC_PLLCmd(FunctionalState NewState);
|
|
|
|
|
void RCC_PLLI2SConfig(uint32_t PLLI2SN, uint32_t PLLI2SR);
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|
|
|
|
void RCC_PLLI2SCmd(FunctionalState NewState);
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|
|
|
|
|
|
|
|
void RCC_ClockSecuritySystemCmd(FunctionalState NewState);
|
|
|
|
|
void RCC_MCO1Config(uint32_t RCC_MCO1Source, uint32_t RCC_MCO1Div);
|
|
|
|
|
void RCC_MCO2Config(uint32_t RCC_MCO2Source, uint32_t RCC_MCO2Div);
|
|
|
|
|
|
|
|
|
|
/* 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_PCLK1Config(uint32_t RCC_HCLK);
|
|
|
|
|
void RCC_PCLK2Config(uint32_t RCC_HCLK);
|
|
|
|
|
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_I2SCLKConfig(uint32_t RCC_I2SCLKSource);
|
|
|
|
|
|
|
|
|
|
void RCC_AHB1PeriphClockCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB2PeriphClockCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB3PeriphClockCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
|
|
|
|
|
|
|
|
|
|
void RCC_AHB1PeriphResetCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB2PeriphResetCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB3PeriphResetCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB1PeriphResetCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB2PeriphResetCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
|
|
|
|
|
|
|
|
|
|
void RCC_AHB1PeriphClockLPModeCmd(uint32_t RCC_AHB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB2PeriphClockLPModeCmd(uint32_t RCC_AHB2Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_AHB3PeriphClockLPModeCmd(uint32_t RCC_AHB3Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB1PeriphClockLPModeCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);
|
|
|
|
|
void RCC_APB2PeriphClockLPModeCmd(uint32_t RCC_APB2Periph, 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
|
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#endif /* __STM32F2xx_RCC_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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