📄 stm32f0xx_rcc.h
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/**
******************************************************************************
* @file stm32f0xx_rcc.h
* @author MCD Application Team
* @version V1.0.0
* @date 23-March-2012
* @brief This file contains all the functions prototypes for the RCC
* firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F0XX_RCC_H
#define __STM32F0XX_RCC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"
/** @addtogroup STM32F0xx_StdPeriph_Driver
* @{
*/
/** @addtogroup RCC
* @{
*/
/* Exported types ------------------------------------------------------------*/
typedef struct
{
uint32_t SYSCLK_Frequency;
uint32_t HCLK_Frequency;
uint32_t PCLK_Frequency;
uint32_t ADCCLK_Frequency;
uint32_t CECCLK_Frequency;
uint32_t I2C1CLK_Frequency;
uint32_t USART1CLK_Frequency;
}RCC_ClocksTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup RCC_Exported_Constants
* @{
*/
/** @defgroup RCC_HSE_configuration
* @{
*/
#define RCC_HSE_OFF ((uint8_t)0x00)
#define RCC_HSE_ON ((uint8_t)0x01)
#define RCC_HSE_Bypass ((uint8_t)0x05)
#define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
((HSE) == RCC_HSE_Bypass))
/**
* @}
*/
/** @defgroup RCC_PLL_Clock_Source
* @{
*/
#define RCC_PLLSource_HSI_Div2 RCC_CFGR_PLLSRC_HSI_Div2
#define RCC_PLLSource_PREDIV1 RCC_CFGR_PLLSRC_PREDIV1
#define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI_Div2) || \
((SOURCE) == RCC_PLLSource_PREDIV1))
/**
* @}
*/
/** @defgroup RCC_PLL_Multiplication_Factor
* @{
*/
#define RCC_PLLMul_2 RCC_CFGR_PLLMULL2
#define RCC_PLLMul_3 RCC_CFGR_PLLMULL3
#define RCC_PLLMul_4 RCC_CFGR_PLLMULL4
#define RCC_PLLMul_5 RCC_CFGR_PLLMULL5
#define RCC_PLLMul_6 RCC_CFGR_PLLMULL6
#define RCC_PLLMul_7 RCC_CFGR_PLLMULL7
#define RCC_PLLMul_8 RCC_CFGR_PLLMULL8
#define RCC_PLLMul_9 RCC_CFGR_PLLMULL9
#define RCC_PLLMul_10 RCC_CFGR_PLLMULL10
#define RCC_PLLMul_11 RCC_CFGR_PLLMULL11
#define RCC_PLLMul_12 RCC_CFGR_PLLMULL12
#define RCC_PLLMul_13 RCC_CFGR_PLLMULL13
#define RCC_PLLMul_14 RCC_CFGR_PLLMULL14
#define RCC_PLLMul_15 RCC_CFGR_PLLMULL15
#define RCC_PLLMul_16 RCC_CFGR_PLLMULL16
#define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLLMul_2) || ((MUL) == RCC_PLLMul_3) || \
((MUL) == RCC_PLLMul_4) || ((MUL) == RCC_PLLMul_5) || \
((MUL) == RCC_PLLMul_6) || ((MUL) == RCC_PLLMul_7) || \
((MUL) == RCC_PLLMul_8) || ((MUL) == RCC_PLLMul_9) || \
((MUL) == RCC_PLLMul_10) || ((MUL) == RCC_PLLMul_11) || \
((MUL) == RCC_PLLMul_12) || ((MUL) == RCC_PLLMul_13) || \
((MUL) == RCC_PLLMul_14) || ((MUL) == RCC_PLLMul_15) || \
((MUL) == RCC_PLLMul_16))
/**
* @}
*/
/** @defgroup RCC_PREDIV1_division_factor
* @{
*/
#define RCC_PREDIV1_Div1 RCC_CFGR2_PREDIV1_DIV1
#define RCC_PREDIV1_Div2 RCC_CFGR2_PREDIV1_DIV2
#define RCC_PREDIV1_Div3 RCC_CFGR2_PREDIV1_DIV3
#define RCC_PREDIV1_Div4 RCC_CFGR2_PREDIV1_DIV4
#define RCC_PREDIV1_Div5 RCC_CFGR2_PREDIV1_DIV5
#define RCC_PREDIV1_Div6 RCC_CFGR2_PREDIV1_DIV6
#define RCC_PREDIV1_Div7 RCC_CFGR2_PREDIV1_DIV7
#define RCC_PREDIV1_Div8 RCC_CFGR2_PREDIV1_DIV8
#define RCC_PREDIV1_Div9 RCC_CFGR2_PREDIV1_DIV9
#define RCC_PREDIV1_Div10 RCC_CFGR2_PREDIV1_DIV10
#define RCC_PREDIV1_Div11 RCC_CFGR2_PREDIV1_DIV11
#define RCC_PREDIV1_Div12 RCC_CFGR2_PREDIV1_DIV12
#define RCC_PREDIV1_Div13 RCC_CFGR2_PREDIV1_DIV13
#define RCC_PREDIV1_Div14 RCC_CFGR2_PREDIV1_DIV14
#define RCC_PREDIV1_Div15 RCC_CFGR2_PREDIV1_DIV15
#define RCC_PREDIV1_Div16 RCC_CFGR2_PREDIV1_DIV16
#define IS_RCC_PREDIV1(PREDIV1) (((PREDIV1) == RCC_PREDIV1_Div1) || ((PREDIV1) == RCC_PREDIV1_Div2) || \
((PREDIV1) == RCC_PREDIV1_Div3) || ((PREDIV1) == RCC_PREDIV1_Div4) || \
((PREDIV1) == RCC_PREDIV1_Div5) || ((PREDIV1) == RCC_PREDIV1_Div6) || \
((PREDIV1) == RCC_PREDIV1_Div7) || ((PREDIV1) == RCC_PREDIV1_Div8) || \
((PREDIV1) == RCC_PREDIV1_Div9) || ((PREDIV1) == RCC_PREDIV1_Div10) || \
((PREDIV1) == RCC_PREDIV1_Div11) || ((PREDIV1) == RCC_PREDIV1_Div12) || \
((PREDIV1) == RCC_PREDIV1_Div13) || ((PREDIV1) == RCC_PREDIV1_Div14) || \
((PREDIV1) == RCC_PREDIV1_Div15) || ((PREDIV1) == RCC_PREDIV1_Div16))
/**
* @}
*/
/** @defgroup RCC_System_Clock_Source
* @{
*/
#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_SYSCLK_SOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSource_HSI) || \
((SOURCE) == RCC_SYSCLKSource_HSE) || \
((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_APB_Clock_Source
* @{
*/
#define RCC_HCLK_Div1 RCC_CFGR_PPRE_DIV1
#define RCC_HCLK_Div2 RCC_CFGR_PPRE_DIV2
#define RCC_HCLK_Div4 RCC_CFGR_PPRE_DIV4
#define RCC_HCLK_Div8 RCC_CFGR_PPRE_DIV8
#define RCC_HCLK_Div16 RCC_CFGR_PPRE_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_ADC_clock_source
* @{
*/
#define RCC_ADCCLK_HSI14 ((uint32_t)0x00000000)
#define RCC_ADCCLK_PCLK_Div2 ((uint32_t)0x01000000)
#define RCC_ADCCLK_PCLK_Div4 ((uint32_t)0x01004000)
#define IS_RCC_ADCCLK(ADCCLK) (((ADCCLK) == RCC_ADCCLK_HSI14) || ((ADCCLK) == RCC_ADCCLK_PCLK_Div2) || \
((ADCCLK) == RCC_ADCCLK_PCLK_Div4))
/**
* @}
*/
/** @defgroup RCC_CEC_clock_source
* @{
*/
#define RCC_CECCLK_HSI_Div244 ((uint32_t)0x00000000)
#define RCC_CECCLK_LSE RCC_CFGR3_CECSW
#define IS_RCC_CECCLK(CECCLK) (((CECCLK) == RCC_CECCLK_HSI_Div244) || ((CECCLK) == RCC_CECCLK_LSE))
/**
* @}
*/
/** @defgroup RCC_I2C_clock_source
* @{
*/
#define RCC_I2C1CLK_HSI ((uint32_t)0x00000000)
#define RCC_I2C1CLK_SYSCLK RCC_CFGR3_I2C1SW
#define IS_RCC_I2CCLK(I2CCLK) (((I2CCLK) == RCC_I2C1CLK_HSI) || ((I2CCLK) == RCC_I2C1CLK_SYSCLK))
/**
* @}
*/
/** @defgroup RCC_USART_clock_source
* @{
*/
#define RCC_USART1CLK_PCLK ((uint32_t)0x00000000)
#define RCC_USART1CLK_SYSCLK RCC_CFGR3_USART1SW_0
#define RCC_USART1CLK_LSE RCC_CFGR3_USART1SW_1
#define RCC_USART1CLK_HSI RCC_CFGR3_USART1SW
#define IS_RCC_USARTCLK(USARTCLK) (((USARTCLK) == RCC_USART1CLK_PCLK) || ((USARTCLK) == RCC_USART1CLK_SYSCLK) || \
((USARTCLK) == RCC_USART1CLK_LSE) || ((USARTCLK) == RCC_USART1CLK_HSI))
/**
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