/** ****************************************************************************** * @file stm32f4xx_rcc.h * @author MCD Application Team * @version V1.0.0 * @date 30-September-2011 * @brief This file contains all the functions prototypes for the RCC firmware library. ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * *

© COPYRIGHT 2011 STMicroelectronics

****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F4xx_RCC_H #define __STM32F4xx_RCC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx.h" /** @addtogroup STM32F4xx_StdPeriph_Driver * @{ */ /** @addtogroup RCC * @{ */ /* Exported types ------------------------------------------------------------*/ typedef struct { uint32_t SYSCLK_Frequency; /*!< SYSCLK clock frequency expressed in Hz */ uint32_t HCLK_Frequency; /*!< HCLK clock frequency expressed in Hz */ uint32_t PCLK1_Frequency; /*!< PCLK1 clock frequency expressed in Hz */ uint32_t PCLK2_Frequency; /*!< PCLK2 clock frequency expressed in Hz */ }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 ((uint32_t)0x00000000) #define RCC_PLLSource_HSE ((uint32_t)0x00400000) #define IS_RCC_PLL_SOURCE(SOURCE) (((SOURCE) == RCC_PLLSource_HSI) || \ ((SOURCE) == RCC_PLLSource_HSE)) #define IS_RCC_PLLM_VALUE(VALUE) ((VALUE) <= 63) #define IS_RCC_PLLN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432)) #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == 2) || ((VALUE) == 4) || ((VALUE) == 6) || ((VALUE) == 8)) #define IS_RCC_PLLQ_VALUE(VALUE) ((4 <= (VALUE)) && ((VALUE) <= 15)) #define IS_RCC_PLLI2SN_VALUE(VALUE) ((192 <= (VALUE)) && ((VALUE) <= 432)) #define IS_RCC_PLLI2SR_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 7)) /** * @} */ /** @defgroup RCC_System_Clock_Source * @{ */ #define RCC_SYSCLKSource_HSI ((uint32_t)0x00000000) #define RCC_SYSCLKSource_HSE ((uint32_t)0x00000001) #define RCC_SYSCLKSource_PLLCLK ((uint32_t)0x00000002) #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 ((uint32_t)0x00000000) #define RCC_SYSCLK_Div2 ((uint32_t)0x00000080) #define RCC_SYSCLK_Div4 ((uint32_t)0x00000090) #define RCC_SYSCLK_Div8 ((uint32_t)0x000000A0) #define RCC_SYSCLK_Div16 ((uint32_t)0x000000B0) #define RCC_SYSCLK_Div64 ((uint32_t)0x000000C0) #define RCC_SYSCLK_Div128 ((uint32_t)0x000000D0) #define RCC_SYSCLK_Div256 ((uint32_t)0x000000E0) #define RCC_SYSCLK_Div512 ((uint32_t)0x000000F0) #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_Div1) || ((HCLK) == RCC_SYSCLK_Div2) || \ ((HCLK) == RCC_SYSCLK_Div4) || ((HCLK) == RCC_SYSCLK_Div8) || \ ((HCLK) == RCC_SYSCLK_Div16) || ((HCLK) == RCC_SYSCLK_Div64) || \ ((HCLK) == RCC_SYSCLK_Div128) || ((HCLK) == RCC_SYSCLK_Div256) || \ ((HCLK) == RCC_SYSCLK_Div512)) /** * @} */ /** @defgroup RCC_APB1_APB2_Clock_Source * @{ */ #define RCC_HCLK_Div1 ((uint32_t)0x00000000) #define RCC_HCLK_Div2 ((uint32_t)0x00001000) #define RCC_HCLK_Div4 ((uint32_t)0x00001400) #define RCC_HCLK_Div8 ((uint32_t)0x00001800) #define RCC_HCLK_Div16 ((uint32_t)0x00001C00) #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_Interrupt_Source * @{ */ #define RCC_IT_LSIRDY ((uint8_t)0x01) #define RCC_IT_LSERDY ((uint8_t)0x02) #define RCC_IT_HSIRDY ((uint8_t)0x04) #define RCC_IT_HSERDY ((uint8_t)0x08) #define RCC_IT_PLLRDY ((uint8_t)0x10) #define RCC_IT_PLLI2SRDY ((uint8_t)0x20) #define RCC_IT_CSS ((uint8_t)0x80) #define IS_RCC_IT(IT) ((((IT) & (uint8_t)0xC0) == 0x00) && ((IT) != 0x00)) #define IS_RCC_GET_IT(IT) (((IT) == RCC_IT_LSIRDY) || ((IT) == RCC_IT_LSERDY) || \ ((IT) == RCC_IT_HSIRDY) || ((IT) == RCC_IT_HSERDY) || \ ((IT) == RCC_IT_PLLRDY) || ((IT) == RCC_IT_CSS) || \ ((IT) == RCC_IT_PLLI2SRDY)) #define IS_RCC_CLEAR_IT(IT) ((((IT) & (uint8_t)0x40) == 0x00) && ((IT) != 0x00)) /** * @} */ /** @defgroup RCC_LSE_Configuration * @{ */ #define RCC_LSE_OFF ((uint8_t)0x00) #define RCC_LSE_ON ((uint8_t)0x01) #define RCC_LSE_Bypass ((uint8_t)0x04) #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \ ((LSE) == RCC_LSE_Bypass)) /** * @} */ /** @defgroup RCC_RTC_Clock_Source * @{ */ #define RCC_RTCCLKSource_LSE ((uint32_t)0x00000100) #define RCC_RTCCLKSource_LSI ((uint32_t)0x00000200) #define RCC_RTCCLKSource_HSE_Div2 ((uint32_t)0x00020300) #define RCC_RTCCLKSource_HSE_Div3 ((uint32_t)0x00030300) #define RCC_RTCCLKSource_HSE_Div4 ((uint32_t)0x00040300) #define RCC_RTCCLKSource_HSE_Div5 ((uint32_t)0x00050300) #define RCC_RTCCLKSource_HSE_Div6 ((uint32_t)0x00060300) #define RCC_RTCCLKSource_HSE_Div7 ((uint32_t)0x00070300) #define RCC_RTCCLKSource_HSE_Div8 ((uint32_t)0x00080300) #define RCC_RTCCLKSource_HSE_Div9 ((uint32_t)0x00090300) #define RCC_RTCCLKSource_HSE_Div10 ((uint32_t)0x000A0300) #define RCC_RTCCLKSource_HSE_Div11 ((uint32_t)0x000B0300) #define RCC_RTCCLKSource_HSE_Div12 ((uint32_t)0x000C0300) #define RCC_RTCCLKSource_HSE_Div13 ((uint32_t)0x000D0300) #define RCC_RTCCLKSource_HSE_Div14 ((uint32_t)0x000E0300) #define RCC_RTCCLKSource_HSE_Div15 ((uint32_t)0x000F0300) #define RCC_RTCCLKSource_HSE_Div16 ((uint32_t)0x00100300) #define RCC_RTCCLKSource_HSE_Div17 ((uint32_t)0x00110300) #define RCC_RTCCLKSource_HSE_Div18 ((uint32_t)0x00120300) #define RCC_RTCCLKSource_HSE_Div19 ((uint32_t)0x00130300) #define RCC_RTCCLKSource_HSE_Div20 ((uint32_t)0x00140300) #define RCC_RTCCLKSource_HSE_Div21 ((uint32_t)0x00150300) #define RCC_RTCCLKSource_HSE_Div22 ((uint32_t)0x00160300) #define RCC_RTCCLKSource_HSE_Div23 ((uint32_t)0x00170300) #define RCC_RTCCLKSource_HSE_Div24 ((uint32_t)0x00180300) #define RCC_RTCCLKSource_HSE_Div25 ((uint32_t)0x00190300) #define RCC_RTCCLKSource_HSE_Div26 ((uint32_t)0x001A0300) #define RCC_RTCCLKSource_HSE_Div27 ((uint32_t)0x001B0300) #define RCC_RTCCLKSource_HSE_Div28 ((uint32_t)0x001C0300) #define RCC_RTCCLKSource_HSE_Div29 ((uint32_t)0x001D0300) #define RCC_RTCCLKSource_HSE_Div30 ((uint32_t)0x001E0300) #define RCC_RTCCLKSource_HSE_Div31 ((uint32_t)0x001F0300) #define IS_RCC_RTCCLK_SOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSource_LSE) || \ ((SOURCE) == RCC_RTCCLKSource_LSI) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div2) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div3) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div4) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div5) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div6) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div7) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div8) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div9) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div10) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div11) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div12) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div13) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div14) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div15) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div16) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div17) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div18) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div19) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div20) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div21) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div22) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div23) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div24) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div25) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div26) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div27) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div28) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div29) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div30) || \ ((SOURCE) == RCC_RTCCLKSource_HSE_Div31)) /** * @} */ /** @defgroup RCC_I2S_Clock_Source * @{ */ #define RCC_I2S2CLKSource_PLLI2S ((uint8_t)0x00) #define RCC_I2S2CLKSource_Ext ((uint8_t)0x01) #define IS_RCC_I2SCLK_SOURCE(SOURCE) (((SOURCE) == RCC_I2S2CLKSource_PLLI2S) || ((SOURCE) == RCC_I2S2CLKSource_Ext)) /** * @} */ /** @defgroup RCC_AHB1_Peripherals * @{ */ #define RCC_AHB1Periph_GPIOA ((uint32_t)0x00000001) #define RCC_AHB1Periph_GPIOB ((uint32_t)0x00000002) #define RCC_AHB1Periph_GPIOC ((uint32_t)0x00000004) #define RCC_AHB1Periph_GPIOD ((uint32_t)0x00000008) #define RCC_AHB1Periph_GPIOE ((uint32_t)0x00000010) #define RCC_AHB1Periph_GPIOF ((uint32_t)0x00000020) #define RCC_AHB1Periph_GPIOG ((uint32_t)0x00000040) #define RCC_AHB1Periph_GPIOH ((uint32_t)0x00000080) #define RCC_AHB1Periph_GPIOI ((uint32_t)0x00000100) #define RCC_AHB1Periph_CRC ((uint32_t)0x00001000) #define RCC_AHB1Periph_FLITF ((uint32_t)0x00008000) #define RCC_AHB1Periph_SRAM1 ((uint32_t)0x00010000) #define RCC_AHB1Periph_SRAM2 ((uint32_t)0x00020000) #define RCC_AHB1Periph_BKPSRAM ((uint32_t)0x00040000) #define RCC_AHB1Periph_CCMDATARAMEN ((uint32_t)0x00100000) #define RCC_AHB1Periph_DMA1 ((uint32_t)0x00200000) #define RCC_AHB1Periph_DMA2 ((uint32_t)0x00400000) #define RCC_AHB1Periph_ETH_MAC ((uint32_t)0x02000000) #define RCC_AHB1Periph_ETH_MAC_Tx ((uint32_t)0x04000000) #define RCC_AHB1Periph_ETH_MAC_Rx ((uint32_t)0x08000000) #define RCC_AHB1Periph_ETH_MAC_PTP ((uint32_t)0x10000000) #define RCC_AHB1Periph_OTG_HS ((uint32_t)0x20000000) #define RCC_AHB1Periph_OTG_HS_ULPI ((uint32_t)0x40000000) #define IS_RCC_AHB1_CLOCK_PERIPH(PERIPH) ((((PERIPH) & 0x818BEE00) == 0x00) && ((PERIPH) != 0x00)) #define IS_RCC_AHB1_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xDD9FEE00) == 0x00) && ((PERIPH) != 0x00)) #define IS_RCC_AHB1_LPMODE_PERIPH(PERIPH) ((((PERIPH) & 0x81986E00) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_AHB2_Peripherals * @{ */ #define RCC_AHB2Periph_DCMI ((uint32_t)0x00000001) #define RCC_AHB2Periph_CRYP ((uint32_t)0x00000010) #define RCC_AHB2Periph_HASH ((uint32_t)0x00000020) #define RCC_AHB2Periph_RNG ((uint32_t)0x00000040) #define RCC_AHB2Periph_OTG_FS ((uint32_t)0x00000080) #define IS_RCC_AHB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFF0E) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_AHB3_Peripherals * @{ */ #define RCC_AHB3Periph_FSMC ((uint32_t)0x00000001) #define IS_RCC_AHB3_PERIPH(PERIPH) ((((PERIPH) & 0xFFFFFFFE) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_APB1_Peripherals * @{ */ #define RCC_APB1Periph_TIM2 ((uint32_t)0x00000001) #define RCC_APB1Periph_TIM3 ((uint32_t)0x00000002) #define RCC_APB1Periph_TIM4 ((uint32_t)0x00000004) #define RCC_APB1Periph_TIM5 ((uint32_t)0x00000008) #define RCC_APB1Periph_TIM6 ((uint32_t)0x00000010) #define RCC_APB1Periph_TIM7 ((uint32_t)0x00000020) #define RCC_APB1Periph_TIM12 ((uint32_t)0x00000040) #define RCC_APB1Periph_TIM13 ((uint32_t)0x00000080) #define RCC_APB1Periph_TIM14 ((uint32_t)0x00000100) #define RCC_APB1Periph_WWDG ((uint32_t)0x00000800) #define RCC_APB1Periph_SPI2 ((uint32_t)0x00004000) #define RCC_APB1Periph_SPI3 ((uint32_t)0x00008000) #define RCC_APB1Periph_USART2 ((uint32_t)0x00020000) #define RCC_APB1Periph_USART3 ((uint32_t)0x00040000) #define RCC_APB1Periph_UART4 ((uint32_t)0x00080000) #define RCC_APB1Periph_UART5 ((uint32_t)0x00100000) #define RCC_APB1Periph_I2C1 ((uint32_t)0x00200000) #define RCC_APB1Periph_I2C2 ((uint32_t)0x00400000) #define RCC_APB1Periph_I2C3 ((uint32_t)0x00800000) #define RCC_APB1Periph_CAN1 ((uint32_t)0x02000000) #define RCC_APB1Periph_CAN2 ((uint32_t)0x04000000) #define RCC_APB1Periph_PWR ((uint32_t)0x10000000) #define RCC_APB1Periph_DAC ((uint32_t)0x20000000) #define IS_RCC_APB1_PERIPH(PERIPH) ((((PERIPH) & 0xC9013600) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_APB2_Peripherals * @{ */ #define RCC_APB2Periph_TIM1 ((uint32_t)0x00000001) #define RCC_APB2Periph_TIM8 ((uint32_t)0x00000002) #define RCC_APB2Periph_USART1 ((uint32_t)0x00000010) #define RCC_APB2Periph_USART6 ((uint32_t)0x00000020) #define RCC_APB2Periph_ADC ((uint32_t)0x00000100) #define RCC_APB2Periph_ADC1 ((uint32_t)0x00000100) #define RCC_APB2Periph_ADC2 ((uint32_t)0x00000200) #define RCC_APB2Periph_ADC3 ((uint32_t)0x00000400) #define RCC_APB2Periph_SDIO ((uint32_t)0x00000800) #define RCC_APB2Periph_SPI1 ((uint32_t)0x00001000) #define RCC_APB2Periph_SYSCFG ((uint32_t)0x00004000) #define RCC_APB2Periph_TIM9 ((uint32_t)0x00010000) #define RCC_APB2Periph_TIM10 ((uint32_t)0x00020000) #define RCC_APB2Periph_TIM11 ((uint32_t)0x00040000) #define IS_RCC_APB2_PERIPH(PERIPH) ((((PERIPH) & 0xFFF8A0CC) == 0x00) && ((PERIPH) != 0x00)) #define IS_RCC_APB2_RESET_PERIPH(PERIPH) ((((PERIPH) & 0xFFF8A6CC) == 0x00) && ((PERIPH) != 0x00)) /** * @} */ /** @defgroup RCC_MCO1_Clock_Source_Prescaler * @{ */ #define RCC_MCO1Source_HSI ((uint32_t)0x00000000) #define RCC_MCO1Source_LSE ((uint32_t)0x00200000) #define RCC_MCO1Source_HSE ((uint32_t)0x00400000) #define RCC_MCO1Source_PLLCLK ((uint32_t)0x00600000) #define RCC_MCO1Div_1 ((uint32_t)0x00000000) #define RCC_MCO1Div_2 ((uint32_t)0x04000000) #define RCC_MCO1Div_3 ((uint32_t)0x05000000) #define RCC_MCO1Div_4 ((uint32_t)0x06000000) #define RCC_MCO1Div_5 ((uint32_t)0x07000000) #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1Source_HSI) || ((SOURCE) == RCC_MCO1Source_LSE) || \ ((SOURCE) == RCC_MCO1Source_HSE) || ((SOURCE) == RCC_MCO1Source_PLLCLK)) #define IS_RCC_MCO1DIV(DIV) (((DIV) == RCC_MCO1Div_1) || ((DIV) == RCC_MCO1Div_2) || \ ((DIV) == RCC_MCO1Div_3) || ((DIV) == RCC_MCO1Div_4) || \ ((DIV) == RCC_MCO1Div_5)) /** * @} */ /** @defgroup RCC_MCO2_Clock_Source_Prescaler * @{ */ #define RCC_MCO2Source_SYSCLK ((uint32_t)0x00000000) #define RCC_MCO2Source_PLLI2SCLK ((uint32_t)0x40000000) #define RCC_MCO2Source_HSE ((uint32_t)0x80000000) #define RCC_MCO2Source_PLLCLK ((uint32_t)0xC0000000) #define RCC_MCO2Div_1 ((uint32_t)0x00000000) #define RCC_MCO2Div_2 ((uint32_t)0x20000000) #define RCC_MCO2Div_3 ((uint32_t)0x28000000) #define RCC_MCO2Div_4 ((uint32_t)0x30000000) #define RCC_MCO2Div_5 ((uint32_t)0x38000000) #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2Source_SYSCLK) || ((SOURCE) == RCC_MCO2Source_PLLI2SCLK)|| \ ((SOURCE) == RCC_MCO2Source_HSE) || ((SOURCE) == RCC_MCO2Source_PLLCLK)) #define IS_RCC_MCO2DIV(DIV) (((DIV) == RCC_MCO2Div_1) || ((DIV) == RCC_MCO2Div_2) || \ ((DIV) == RCC_MCO2Div_3) || ((DIV) == RCC_MCO2Div_4) || \ ((DIV) == RCC_MCO2Div_5)) /** * @} */ /** @defgroup RCC_Flag * @{ */ #define RCC_FLAG_HSIRDY ((uint8_t)0x21) #define RCC_FLAG_HSERDY ((uint8_t)0x31) #define RCC_FLAG_PLLRDY ((uint8_t)0x39) #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3B) #define RCC_FLAG_LSERDY ((uint8_t)0x41) #define RCC_FLAG_LSIRDY ((uint8_t)0x61) #define RCC_FLAG_BORRST ((uint8_t)0x79) #define RCC_FLAG_PINRST ((uint8_t)0x7A) #define RCC_FLAG_PORRST ((uint8_t)0x7B) #define RCC_FLAG_SFTRST ((uint8_t)0x7C) #define RCC_FLAG_IWDGRST ((uint8_t)0x7D) #define RCC_FLAG_WWDGRST ((uint8_t)0x7E) #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); void RCC_LSICmd(FunctionalState NewState); void RCC_PLLConfig(uint32_t RCC_PLLSource, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP, uint32_t PLLQ); void RCC_PLLCmd(FunctionalState NewState); void RCC_PLLI2SConfig(uint32_t PLLI2SN, uint32_t PLLI2SR); void RCC_PLLI2SCmd(FunctionalState NewState); 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 #endif /* __STM32F4xx_RCC_H */ /** * @} */ /** * @} */ /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/