mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F072RB/stm32f0xx_hal_rcc.h
- Committer:
- mbed_official
- Date:
- 2014-05-30
- Revision:
- 218:44081b78fdc2
- Parent:
- 205:c41fc65bcfb4
File content as of revision 218:44081b78fdc2:
/** ****************************************************************************** * @file stm32f0xx_hal_rcc.h * @author MCD Application Team * @version V1.0.0 * @date 28-May-2014 * @brief Header file of RCC HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32F0xx_HAL_RCC_H #define __STM32F0xx_HAL_RCC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f0xx_hal_def.h" /** @addtogroup STM32F0xx_HAL_Driver * @{ */ /** @addtogroup RCC * @{ */ /* Exported types ------------------------------------------------------------*/ /** * @brief RCC PLL configuration structure definition */ typedef struct { uint32_t PLLState; /*!< PLLState: The new state of the PLL. This parameter can be a value of @ref RCC_PLL_Config */ uint32_t PLLSource; /*!< PLLSource: PLL entry clock source. This parameter must be a value of @ref RCC_PLL_Clock_Source */ uint32_t PREDIV; /*!< PREDIV: Predivision factor for PLL VCO input clock This parameter must be a value of @ref RCC_PLL_Prediv_Factor */ uint32_t PLLMUL; /*!< PLLMUL: Multiplication factor for PLL VCO input clock This parameter must be a value of @ref RCC_PLL_Multiplication_Factor */ }RCC_PLLInitTypeDef; /** * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition */ typedef struct { uint32_t OscillatorType; /*!< The Oscillators to be configured. This parameter can be a value of @ref RCC_Oscillator_Type */ uint32_t HSEState; /*!< The new state of the HSE. This parameter can be a value of @ref RCC_HSE_Config */ uint32_t LSEState; /*!< The new state of the LSE. This parameter can be a value of @ref RCC_LSE_Config */ uint32_t HSIState; /*!< The new state of the HSI. This parameter can be a value of @ref RCC_HSI_Config */ uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT). This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */ uint32_t HSI14State; /*!< The new state of the HSI14. This parameter can be a value of @ref RCC_HSI14_Config */ uint32_t HSI14CalibrationValue; /*!< The HSI14 calibration trimming value (default is RCC_HSI14CALIBRATION_DEFAULT). This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */ uint32_t HSI48State; /*!< The new state of the HSI48 (only applicable to STM32F07x and STM32F0x2 devices). This parameter can be a value of @ref RCCEx_HSI48_Config */ uint32_t LSIState; /*!< The new state of the LSI. This parameter can be a value of @ref RCC_LSI_Config */ RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */ }RCC_OscInitTypeDef; /** * @brief RCC System, AHB and APB busses clock configuration structure definition */ typedef struct { uint32_t ClockType; /*!< The clock to be configured. This parameter can be a value of @ref RCC_System_Clock_Type */ uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock. This parameter can be a value of @ref RCC_System_Clock_Source */ uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK). This parameter can be a value of @ref RCC_AHB_Clock_Source */ uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK). This parameter can be a value of @ref RCC_APB1_Clock_Source */ }RCC_ClkInitTypeDef; /* Exported constants --------------------------------------------------------*/ /** @defgroup RCC_Exported_Constants * @{ */ #define RCC_OFFSET (RCC_BASE - PERIPH_BASE) /* --- CR Register ---*/ #define RCC_CR_OFFSET (RCC_OFFSET + 0x00) /* --- CFGR Register ---*/ #define RCC_CFGR_OFFSET (RCC_OFFSET + 0x04) /* --- CIR Register ---*/ #define RCC_CIR_OFFSET (RCC_OFFSET + 0x08) /* --- BDCR Register ---*/ #define RCC_BDCR_OFFSET (RCC_OFFSET + 0x20) /* --- CSR Register ---*/ #define RCC_CSR_OFFSET (RCC_OFFSET + 0x24) /* --- CR2 Register ---*/ #define RCC_CR2_OFFSET (RCC_OFFSET + 0x34) /* CR register byte 2 (Bits[23:16]) base address */ #define RCC_CR_BYTE2_ADDRESS (PERIPH_BASE + RCC_CR_OFFSET + 0x02) /* CIR register byte 1 (Bits[15:8]) base address */ #define RCC_CIR_BYTE1_ADDRESS (PERIPH_BASE + RCC_CIR_OFFSET + 0x01) /* CIR register byte 2 (Bits[23:16]) base address */ #define RCC_CIR_BYTE2_ADDRESS (PERIPH_BASE + RCC_CIR_OFFSET + 0x02) /* CSR register byte 1 (Bits[15:8]) base address */ #define RCC_CSR_BYTE1_ADDRESS (PERIPH_BASE + RCC_CSR_OFFSET + 0x01) /* BDCR register byte 0 (Bits[7:0] base address */ #define RCC_BDCR_BYTE0_ADDRESS (PERIPH_BASE + RCC_BDCR_OFFSET) /* LSE state change timeout */ #define LSE_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */ /* Disable Backup domain write protection state change timeout */ #define DBP_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define RCC_CFGR_PLLMUL_BITNUMBER 18 #define RCC_CFGR2_PREDIV_BITNUMBER 0 /** @defgroup RCC_Oscillator_Type * @{ */ #define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000) #define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001) #define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002) #define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004) #define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008) #define RCC_OSCILLATORTYPE_HSI14 ((uint32_t)0x00000010) #define RCC_OSCILLATORTYPE_HSI48 ((uint32_t)0x00000020) #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) (((OSCILLATOR) == RCC_OSCILLATORTYPE_NONE) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_HSI14) == RCC_OSCILLATORTYPE_HSI14) || \ (((OSCILLATOR) & RCC_OSCILLATORTYPE_HSI48) == RCC_OSCILLATORTYPE_HSI48)) /** * @} */ /** @defgroup RCC_HSE_Config * @{ */ #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_LSE_Config * @{ */ #define RCC_LSE_OFF ((uint8_t)0x00) #define RCC_LSE_ON ((uint8_t)0x01) #define RCC_LSE_BYPASS ((uint8_t)0x05) #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \ ((LSE) == RCC_LSE_BYPASS)) /** * @} */ /** @defgroup RCC_HSI_Config * @{ */ #define RCC_HSI_OFF ((uint8_t)0x00) #define RCC_HSI_ON ((uint8_t)0x01) #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON)) #define RCC_HSICALIBRATION_DEFAULT ((uint32_t)0x10) /* Default HSI calibration trimming value */ /** * @} */ /** @defgroup RCC_HSI14_Config * @{ */ #define RCC_HSI14_OFF ((uint32_t)0x00) #define RCC_HSI14_ON RCC_CR2_HSI14ON #define RCC_HSI14_ADC_CONTROL (~RCC_CR2_HSI14DIS) #define IS_RCC_HSI14(HSI14) (((HSI14) == RCC_HSI14_OFF) || ((HSI14) == RCC_HSI14_ON) || ((HSI14) == RCC_HSI14_ADC_CONTROL)) #define RCC_HSI14CALIBRATION_DEFAULT ((uint32_t)0x10) /* Default HSI14 calibration trimming value */ /** * @} */ /** @defgroup RCC_LSI_Config * @{ */ #define RCC_LSI_OFF ((uint8_t)0x00) #define RCC_LSI_ON ((uint8_t)0x01) #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON)) /** * @} */ /** @defgroup RCC_PLL_Config * @{ */ #define RCC_PLL_NONE ((uint8_t)0x00) #define RCC_PLL_OFF ((uint8_t)0x01) #define RCC_PLL_ON ((uint8_t)0x02) #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON)) /** * @} */ /** @defgroup RCC_PLL_Prediv_Factor * @{ */ #define RCC_PREDIV_DIV1 RCC_CFGR2_PREDIV_DIV1 #define RCC_PREDIV_DIV2 RCC_CFGR2_PREDIV_DIV2 #define RCC_PREDIV_DIV3 RCC_CFGR2_PREDIV_DIV3 #define RCC_PREDIV_DIV4 RCC_CFGR2_PREDIV_DIV4 #define RCC_PREDIV_DIV5 RCC_CFGR2_PREDIV_DIV5 #define RCC_PREDIV_DIV6 RCC_CFGR2_PREDIV_DIV6 #define RCC_PREDIV_DIV7 RCC_CFGR2_PREDIV_DIV7 #define RCC_PREDIV_DIV8 RCC_CFGR2_PREDIV_DIV8 #define RCC_PREDIV_DIV9 RCC_CFGR2_PREDIV_DIV9 #define RCC_PREDIV_DIV10 RCC_CFGR2_PREDIV_DIV10 #define RCC_PREDIV_DIV11 RCC_CFGR2_PREDIV_DIV11 #define RCC_PREDIV_DIV12 RCC_CFGR2_PREDIV_DIV12 #define RCC_PREDIV_DIV13 RCC_CFGR2_PREDIV_DIV13 #define RCC_PREDIV_DIV14 RCC_CFGR2_PREDIV_DIV14 #define RCC_PREDIV_DIV15 RCC_CFGR2_PREDIV_DIV15 #define RCC_PREDIV_DIV16 RCC_CFGR2_PREDIV_DIV16 #define IS_RCC_PREDIV(PREDIV) (((PREDIV) == RCC_PREDIV_DIV1) || ((PREDIV) == RCC_PREDIV_DIV2) || \ ((PREDIV) == RCC_PREDIV_DIV3) || ((PREDIV) == RCC_PREDIV_DIV4) || \ ((PREDIV) == RCC_PREDIV_DIV5) || ((PREDIV) == RCC_PREDIV_DIV6) || \ ((PREDIV) == RCC_PREDIV_DIV7) || ((PREDIV) == RCC_PREDIV_DIV8) || \ ((PREDIV) == RCC_PREDIV_DIV9) || ((PREDIV) == RCC_PREDIV_DIV10) || \ ((PREDIV) == RCC_PREDIV_DIV11) || ((PREDIV) == RCC_PREDIV_DIV12) || \ ((PREDIV) == RCC_PREDIV_DIV13) || ((PREDIV) == RCC_PREDIV_DIV14) || \ ((PREDIV) == RCC_PREDIV_DIV15) || ((PREDIV) == RCC_PREDIV_DIV16)) /** * @} */ /** @defgroup RCC_PLL_Multiplication_Factor * @{ */ #define RCC_PLL_MUL2 RCC_CFGR_PLLMUL2 #define RCC_PLL_MUL3 RCC_CFGR_PLLMUL3 #define RCC_PLL_MUL4 RCC_CFGR_PLLMUL4 #define RCC_PLL_MUL5 RCC_CFGR_PLLMUL5 #define RCC_PLL_MUL6 RCC_CFGR_PLLMUL6 #define RCC_PLL_MUL7 RCC_CFGR_PLLMUL7 #define RCC_PLL_MUL8 RCC_CFGR_PLLMUL8 #define RCC_PLL_MUL9 RCC_CFGR_PLLMUL9 #define RCC_PLL_MUL10 RCC_CFGR_PLLMUL10 #define RCC_PLL_MUL11 RCC_CFGR_PLLMUL11 #define RCC_PLL_MUL12 RCC_CFGR_PLLMUL12 #define RCC_PLL_MUL13 RCC_CFGR_PLLMUL13 #define RCC_PLL_MUL14 RCC_CFGR_PLLMUL14 #define RCC_PLL_MUL15 RCC_CFGR_PLLMUL15 #define RCC_PLL_MUL16 RCC_CFGR_PLLMUL16 #define IS_RCC_PLL_MUL(MUL) (((MUL) == RCC_PLL_MUL2) || ((MUL) == RCC_PLL_MUL3) || \ ((MUL) == RCC_PLL_MUL4) || ((MUL) == RCC_PLL_MUL5) || \ ((MUL) == RCC_PLL_MUL6) || ((MUL) == RCC_PLL_MUL7) || \ ((MUL) == RCC_PLL_MUL8) || ((MUL) == RCC_PLL_MUL9) || \ ((MUL) == RCC_PLL_MUL10) || ((MUL) == RCC_PLL_MUL11) || \ ((MUL) == RCC_PLL_MUL12) || ((MUL) == RCC_PLL_MUL13) || \ ((MUL) == RCC_PLL_MUL14) || ((MUL) == RCC_PLL_MUL15) || \ ((MUL) == RCC_PLL_MUL16)) /** * @} */ /** @defgroup RCC_PLL_Clock_Source * @{ */ #define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV /** * @} */ /** @defgroup RCC_System_Clock_Type * @{ */ #define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001) #define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002) #define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004) #define IS_RCC_CLOCKTYPE(CLK) ((((CLK) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \ (((CLK) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK) || \ (((CLK) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)) /** * @} */ /** @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 /** * @} */ /** @defgroup RCC_System_Clock_Source_Status * @{ */ #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /** * @} */ /** @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_SYSCLK_DIV(DIV) (((DIV) == RCC_SYSCLK_DIV1) || ((DIV) == RCC_SYSCLK_DIV2) || \ ((DIV) == RCC_SYSCLK_DIV4) || ((DIV) == RCC_SYSCLK_DIV8) || \ ((DIV) == RCC_SYSCLK_DIV16) || ((DIV) == RCC_SYSCLK_DIV64) || \ ((DIV) == RCC_SYSCLK_DIV128) || ((DIV) == RCC_SYSCLK_DIV256) || \ ((DIV) == RCC_SYSCLK_DIV512)) /** * @} */ /** @defgroup RCC_APB1_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_HCLK_DIV(DIV) (((DIV) == RCC_HCLK_DIV1) || ((DIV) == RCC_HCLK_DIV2) || \ ((DIV) == RCC_HCLK_DIV4) || ((DIV) == RCC_HCLK_DIV8) || \ ((DIV) == RCC_HCLK_DIV16)) /** * @} */ /** @defgroup RCC_RTC_Clock_Source * @{ */ #define RCC_RTCCLKSOURCE_NONE RCC_BDCR_RTCSEL_NOCLOCK #define RCC_RTCCLKSOURCE_LSE RCC_BDCR_RTCSEL_LSE #define RCC_RTCCLKSOURCE_LSI RCC_BDCR_RTCSEL_LSI #define RCC_RTCCLKSOURCE_HSE_DIV32 RCC_BDCR_RTCSEL_HSE #define IS_RCC_RTCCLKSOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_NONE) || \ ((SOURCE) == RCC_RTCCLKSOURCE_LSE) || \ ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \ ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV32)) /** * @} */ /** @defgroup RCC_USART1_Clock_Source * @{ */ #define RCC_USART1CLKSOURCE_PCLK1 RCC_CFGR3_USART1SW_PCLK #define RCC_USART1CLKSOURCE_SYSCLK RCC_CFGR3_USART1SW_SYSCLK #define RCC_USART1CLKSOURCE_LSE RCC_CFGR3_USART1SW_LSE #define RCC_USART1CLKSOURCE_HSI RCC_CFGR3_USART1SW_HSI #define IS_RCC_USART1CLKSOURCE(SOURCE) (((SOURCE) == RCC_USART1CLKSOURCE_PCLK1) || \ ((SOURCE) == RCC_USART1CLKSOURCE_SYSCLK) || \ ((SOURCE) == RCC_USART1CLKSOURCE_LSE) || \ ((SOURCE) == RCC_USART1CLKSOURCE_HSI)) /** * @} */ /** @defgroup RCC_I2C1_Clock_Source * @{ */ #define RCC_I2C1CLKSOURCE_HSI RCC_CFGR3_I2C1SW_HSI #define RCC_I2C1CLKSOURCE_SYSCLK RCC_CFGR3_I2C1SW_SYSCLK #define IS_RCC_I2C1CLKSOURCE(SOURCE) (((SOURCE) == RCC_I2C1CLKSOURCE_HSI) || \ ((SOURCE) == RCC_I2C1CLKSOURCE_SYSCLK)) /** * @} */ /** @defgroup RCC_MCOx_Index * @{ */ #define RCC_MCO ((uint32_t)0x00000000) #define IS_RCC_MCO(MCOx) ((MCOx) == RCC_MCO) /** * @} */ /** @defgroup RCC_MCO_Clock_Source * @{ */ #define RCC_MCOSOURCE_NONE RCC_CFGR_MCO_NOCLOCK #define RCC_MCOSOURCE_LSI RCC_CFGR_MCO_LSI #define RCC_MCOSOURCE_LSE RCC_CFGR_MCO_LSE #define RCC_MCOSOURCE_SYSCLK RCC_CFGR_MCO_SYSCLK #define RCC_MCOSOURCE_HSI RCC_CFGR_MCO_HSI #define RCC_MCOSOURCE_HSE RCC_CFGR_MCO_HSE #define RCC_MCOSOURCE_PLLCLK_DIV2 RCC_CFGR_MCO_PLL #define RCC_MCOSOURCE_HSI14 RCC_CFGR_MCO_HSI14 /** * @} */ /** @defgroup RCC_Interrupt * @{ */ #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_HSI14 ((uint8_t)0x20) #define RCC_IT_CSS ((uint8_t)0x80) /** * @} */ /** @defgroup RCC_Flag * Elements values convention: 0XXYYYYYb * - YYYYY : Flag position in the register * - XX : Register index * - 00: CR register * - 01: CR2 register * - 10: BDCR register * - 11: CSR register * @{ */ #define CR_REG_INDEX 0 #define CR2_REG_INDEX 1 #define BDCR_REG_INDEX 2 #define CSR_REG_INDEX 3 /* Flags in the CR register */ #define RCC_CR_HSIRDY_BitNumber 1 #define RCC_CR_HSERDY_BitNumber 17 #define RCC_CR_PLLRDY_BitNumber 25 #define RCC_FLAG_HSIRDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSIRDY_BitNumber)) #define RCC_FLAG_HSERDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_HSERDY_BitNumber)) #define RCC_FLAG_PLLRDY ((uint8_t)((CR_REG_INDEX << 5) | RCC_CR_PLLRDY_BitNumber)) /* Flags in the CR2 register */ #define RCC_CR2_HSI14RDY_BitNumber 1 #define RCC_FLAG_HSI14RDY ((uint8_t)((CR2_REG_INDEX << 5) | RCC_CR2_HSI14RDY_BitNumber)) /* Flags in the BDCR register */ #define RCC_BDCR_LSERDY_BitNumber 1 #define RCC_FLAG_LSERDY ((uint8_t)((BDCR_REG_INDEX << 5) | RCC_BDCR_LSERDY_BitNumber)) /* Flags in the CSR register */ #define RCC_CSR_LSIRDY_BitNumber 1 #define RCC_CSR_V18PWRRSTF_BitNumber 23 #define RCC_CSR_RMVF_BitNumber 24 #define RCC_CSR_OBLRSTF_BitNumber 25 #define RCC_CSR_PINRSTF_BitNumber 26 #define RCC_CSR_PORRSTF_BitNumber 27 #define RCC_CSR_SFTRSTF_BitNumber 28 #define RCC_CSR_IWDGRSTF_BitNumber 29 #define RCC_CSR_WWDGRSTF_BitNumber 30 #define RCC_CSR_LPWRRSTF_BitNumber 31 #define RCC_FLAG_LSIRDY ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSIRDY_BitNumber)) #define RCC_FLAG_V18PWRRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LSIRDY_BitNumber)) #define RCC_FLAG_RMV ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_RMVF_BitNumber)) #define RCC_FLAG_OBLRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_OBLRSTF_BitNumber)) #define RCC_FLAG_PINRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PINRSTF_BitNumber)) #define RCC_FLAG_PORRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_PORRSTF_BitNumber)) #define RCC_FLAG_SFTRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_SFTRSTF_BitNumber)) #define RCC_FLAG_IWDGRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_IWDGRSTF_BitNumber)) #define RCC_FLAG_WWDGRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_WWDGRSTF_BitNumber)) #define RCC_FLAG_LPWRRST ((uint8_t)((CSR_REG_INDEX << 5) | RCC_CSR_LPWRRSTF_BitNumber)) /** * @} */ #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F) #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT #define HSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define LSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define LSE_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */ #define HSI14_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define HSI48_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define PLL_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */ #define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /** @defgroup RCC_Exported_Macros * @{ */ /** @brief Enable or disable the AHB peripheral clock. * @note After reset, the peripheral clock (used for registers read/write access) * is disabled and the application software has to enable this clock before * using it. */ #define __GPIOA_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_GPIOAEN)) #define __GPIOB_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_GPIOBEN)) #define __GPIOC_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_GPIOCEN)) #define __GPIOF_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_GPIOFEN)) #define __CRC_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_CRCEN)) #define __DMA1_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_DMA1EN)) #define __SRAM_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_SRAMEN)) #define __FLITF_CLK_ENABLE() (RCC->AHBENR |= (RCC_AHBENR_FLITFEN)) #define __GPIOA_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOAEN)) #define __GPIOB_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOBEN)) #define __GPIOC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOCEN)) #define __GPIOF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_GPIOFEN)) #define __CRC_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN)) #define __DMA1_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN)) #define __SRAM_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_SRAMEN)) #define __FLITF_CLK_DISABLE() (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN)) /** @brief Enable or disable the Low Speed APB (APB1) peripheral clock. * @note After reset, the peripheral clock (used for registers read/write access) * is disabled and the application software has to enable this clock before * using it. */ #define __TIM3_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM3EN)) #define __TIM14_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_TIM14EN)) #define __WWDG_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_WWDGEN)) #define __I2C1_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_I2C1EN)) #define __PWR_CLK_ENABLE() (RCC->APB1ENR |= (RCC_APB1ENR_PWREN)) #define __TIM3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN)) #define __TIM14_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM14EN)) #define __WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN)) #define __I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN)) #define __PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN)) /** @brief Enable or disable the High Speed APB (APB2) peripheral clock. * @note After reset, the peripheral clock (used for registers read/write access) * is disabled and the application software has to enable this clock before * using it. */ #define __SYSCFG_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SYSCFGEN)) #define __ADC1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_ADC1EN)) #define __TIM1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM1EN)) #define __SPI1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_SPI1EN)) #define __TIM16_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM16EN)) #define __TIM17_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_TIM17EN)) #define __USART1_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_USART1EN)) #define __DBGMCU_CLK_ENABLE() (RCC->APB2ENR |= (RCC_APB2ENR_DBGMCUEN)) #define __SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN)) #define __ADC1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN)) #define __TIM1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN)) #define __SPI1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN)) #define __TIM16_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM16EN)) #define __TIM17_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM17EN)) #define __USART1_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN)) #define __DBGMCU_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_DBGMCUEN)) /** @brief Force or release AHB peripheral reset. */ #define __AHB_FORCE_RESET() (RCC->AHBRSTR = 0xFFFFFFFF) #define __GPIOA_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOARST)) #define __GPIOB_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOBRST)) #define __GPIOC_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOCRST)) #define __GPIOF_FORCE_RESET() (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOFRST)) #define __AHB_RELEASE_RESET() (RCC->AHBRSTR = 0x00) #define __GPIOA_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOARST)) #define __GPIOB_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOBRST)) #define __GPIOC_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOCRST)) #define __GPIOF_RELEASE_RESET() (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOFRST)) /** @brief Force or release APB1 peripheral reset. */ #define __APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFF) #define __TIM3_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST)) #define __TIM14_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM14RST)) #define __WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST)) #define __I2C1_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST)) #define __PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST)) #define __APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00) #define __TIM3_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST)) #define __TIM14_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM14RST)) #define __WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST)) #define __I2C1_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST)) #define __PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST)) /** @brief Force or release APB2 peripheral reset. */ #define __APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFF) #define __SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST)) #define __ADC1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_ADC1RST)) #define __TIM1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST)) #define __SPI1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST)) #define __USART1_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST)) #define __TIM16_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM16RST)) #define __TIM17_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM17RST)) #define __DBGMCU_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_DBGMCURST)) #define __APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00) #define __SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST)) #define __ADC1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADC1RST)) #define __TIM1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST)) #define __SPI1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST)) #define __USART1_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST)) #define __TIM16_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM16RST)) #define __TIM17_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM17RST)) #define __DBGMCU_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_DBGMCURST)) /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI). * @note The HSI is stopped by hardware when entering STOP and STANDBY modes. * It is used (enabled by hardware) as system clock source after startup * from Reset, wakeup from STOP and STANDBY mode, or in case of failure * of the HSE used directly or indirectly as system clock (if the Clock * Security System CSS is enabled). * @note HSI can not be stopped if it is used as system clock source. In this case, * you have to select another source of the system clock then stop the HSI. * @note After enabling the HSI, the application software should wait on HSIRDY * flag to be set indicating that HSI clock is stable and can be used as * system clock source. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator * clock cycles. */ #define __HAL_RCC_HSI_ENABLE() SET_BIT(RCC->CR, RCC_CR_HSION) #define __HAL_RCC_HSI_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_HSION) /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value. * @note The calibration is used to compensate for the variations in voltage * and temperature that influence the frequency of the internal HSI RC. * @param __HSICalibrationValue__: specifies the calibration trimming value * (default is RCC_HSICALIBRATION_DEFAULT). * This parameter must be a number between 0 and 0x1F. */ #define RCC_CR_HSITRIM_BitNumber 3 #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICalibrationValue__) \ MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, (uint32_t)(__HSICalibrationValue__) << RCC_CR_HSITRIM_BitNumber) /** @brief Macro to enable or disable the Internal Low Speed oscillator (LSI). * @note After enabling the LSI, the application software should wait on * LSIRDY flag to be set indicating that LSI clock is stable and can * be used to clock the IWDG and/or the RTC. * @note LSI can not be disabled if the IWDG is running. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator * clock cycles. */ #define __HAL_RCC_LSI_ENABLE() SET_BIT(RCC->CSR, RCC_CSR_LSION) #define __HAL_RCC_LSI_DISABLE() CLEAR_BIT(RCC->CSR, RCC_CSR_LSION) /** * @brief Macro to configure the External High Speed oscillator (HSE). * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application * software should wait on HSERDY flag to be set indicating that HSE clock * is stable and can be used to clock the PLL and/or system clock. * @note HSE state can not be changed if it is used directly or through the * PLL as system clock. In this case, you have to select another source * of the system clock then change the HSE state (ex. disable it). * @note The HSE is stopped by hardware when entering STOP and STANDBY modes. * @note This function reset the CSSON bit, so if the Clock security system(CSS) * was previously enabled you have to enable it again after calling this * function. * @param __STATE__: specifies the new state of the HSE. * This parameter can be one of the following values: * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after * 6 HSE oscillator clock cycles. * @arg RCC_HSE_ON: turn ON the HSE oscillator * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock */ #define __HAL_RCC_HSE_CONFIG(__STATE__) (*(__IO uint8_t *)RCC_CR_BYTE2_ADDRESS = (__STATE__)) /** * @brief Macro to configure the External High Speed oscillator (HSE) Predivision factor for PLL. * @note Predivision factor can not be changed if PLL is used as system clock * In this case, you have to select another source of the system clock, disable the PLL and * then change the HSE predivision factor. * @param __HSEPredivValue__: specifies the division value applied to HSE. * This parameter must be a number between RCC_HSE_PREDIV_DIV1 and RCC_HSE_PREDIV_DIV16. */ #define __HAL_RCC_HSE_PREDIV_CONFIG(__HSEPredivValue__) \ MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (uint32_t)(__HSEPredivValue__)) /** * @brief Macro to configure the External Low Speed oscillator (LSE). * @note As the LSE is in the Backup domain and write access is denied to * this domain after reset, you have to enable write access using * HAL_PWR_EnableBkUpAccess() function before to configure the LSE * (to be done once after reset). * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application * software should wait on LSERDY flag to be set indicating that LSE clock * is stable and can be used to clock the RTC. * @param __STATE__: specifies the new state of the LSE. * This parameter can be one of the following values: * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after * 6 LSE oscillator clock cycles. * @arg RCC_LSE_ON: turn ON the LSE oscillator * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock */ #define __HAL_RCC_LSE_CONFIG(__STATE__) \ MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEON|RCC_BDCR_LSEBYP, (uint32_t)(__STATE__)) /** @brief Macros to enable or disable the Internal 14Mhz High Speed oscillator (HSI14). * @note The HSI14 is stopped by hardware when entering STOP and STANDBY modes. * @note HSI14 can not be stopped if it is used as system clock source. In this case, * you have to select another source of the system clock then stop the HSI14. * @note After enabling the HSI14 with __HAL_RCC_HSI14_ENABLE(), the application software * should wait on HSI14RDY flag to be set indicating that HSI clock is stable and can be * used as system clock source. This is not necessary if HAL_RCC_OscConfig() is used. * @note When the HSI14 is stopped, HSI14RDY flag goes low after 6 HSI14 oscillator * clock cycles. */ #define __HAL_RCC_HSI14_ENABLE() SET_BIT(RCC->CR2, RCC_CR2_HSI14ON) #define __HAL_RCC_HSI14_DISABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14ON) /** @brief macros to Enable or Disable the Internal 14Mhz High Speed oscillator (HSI14) usage by ADC. */ #define __HAL_RCC_HSI14ADC_ENABLE() CLEAR_BIT(RCC->CR2, RCC_CR2_HSI14DIS) #define __HAL_RCC_HSI14ADC_DISABLE() SET_BIT(RCC->CR2, RCC_CR2_HSI14DIS) /** @brief Macro to adjust the Internal 14Mhz High Speed oscillator (HSI) calibration value. * @note The calibration is used to compensate for the variations in voltage * and temperature that influence the frequency of the internal HSI14 RC. * @param __HSI14CalibrationValue__: specifies the calibration trimming value * (default is RCC_HSI14CALIBRATION_DEFAULT). * This parameter must be a number between 0 and 0x1F. */ #define RCC_CR2_HSI14TRIM_BitNumber 3 #define __HAL_RCC_HSI14_CALIBRATIONVALUE_ADJUST(__HSI14CalibrationValue__) \ MODIFY_REG(RCC->CR2, RCC_CR2_HSI14TRIM, (uint32_t)(__HSI14CalibrationValue__) << RCC_CR2_HSI14TRIM_BitNumber) /** @brief Macro to configure the USART1 clock (USART1CLK). * @param __USART1CLKSource__: specifies the USART1 clock source. * This parameter can be one of the following values: * @arg RCC_USART1CLKSOURCE_PCLK1: PCLK1 selected as USART1 clock * @arg RCC_USART1CLKSOURCE_HSI: HSI selected as USART1 clock * @arg RCC_USART1CLKSOURCE_SYSCLK: System Clock selected as USART1 clock * @arg RCC_USART1CLKSOURCE_LSE: LSE selected as USART1 clock */ #define __HAL_RCC_USART1_CONFIG(__USART1CLKSource__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART1SW, (uint32_t)(__USART1CLKSource__)) /** @brief Macro to get the USART1 clock source. * @retval The clock source can be one of the following values: * @arg RCC_USART1CLKSOURCE_PCLK1: PCLK1 selected as USART1 clock * @arg RCC_USART1CLKSOURCE_HSI: HSI selected as USART1 clock * @arg RCC_USART1CLKSOURCE_SYSCLK: System Clock selected as USART1 clock * @arg RCC_USART1CLKSOURCE_LSE: LSE selected as USART1 clock */ #define __HAL_RCC_GET_USART1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART1SW))) /** @brief Macro to configure the I2C1 clock (I2C1CLK). * @param __I2C1CLKSource__: specifies the I2C1 clock source. * This parameter can be one of the following values: * @arg RCC_I2C1CLKSOURCE_HSI: HSI selected as I2C1 clock * @arg RCC_I2C1CLKSOURCE_SYSCLK: System Clock selected as I2C1 clock */ #define __HAL_RCC_I2C1_CONFIG(__I2C1CLKSource__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSource__)) /** @brief Macro to get the I2C1 clock source. * @retval The clock source can be one of the following values: * @arg RCC_I2C1CLKSOURCE_HSI: HSI selected as I2C1 clock * @arg RCC_I2C1CLKSOURCE_SYSCLK: System Clock selected as I2C1 clock */ #define __HAL_RCC_GET_I2C1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW))) /** @brief Macro to configure the USART2 clock (USART2CLK). * @param __USART2CLKSource__: specifies the USART2 clock source. * This parameter can be one of the following values: * @arg RCC_USART2CLKSOURCE_PCLK1: PCLK1 selected as USART2 clock * @arg RCC_USART2CLKSOURCE_HSI: HSI selected as USART2 clock * @arg RCC_USART2CLKSOURCE_SYSCLK: System Clock selected as USART2 clock * @arg RCC_USART2CLKSOURCE_LSE: LSE selected as USART2 clock */ #define __HAL_RCC_USART2_CONFIG(__USART2CLKSource__) \ MODIFY_REG(RCC->CFGR3, RCC_CFGR3_USART2SW, (uint32_t)(__USART2CLKSource__)) /** @brief Macro to get the USART2 clock source. * @retval The clock source can be one of the following values: * @arg RCC_USART2CLKSOURCE_PCLK1: PCLK1 selected as USART2 clock * @arg RCC_USART2CLKSOURCE_HSI: HSI selected as USART2 clock * @arg RCC_USART2CLKSOURCE_SYSCLK: System Clock selected as USART2 clock * @arg RCC_USART2CLKSOURCE_LSE: LSE selected as USART2 clock */ #define __HAL_RCC_GET_USART2_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_USART2SW))) /** @brief Macros to enable or disable the the RTC clock. * @note These macros must be used only after the RTC clock source was selected. */ #define __HAL_RCC_RTC_ENABLE() SET_BIT(RCC->BDCR, RCC_BDCR_RTCEN) #define __HAL_RCC_RTC_DISABLE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_RTCEN) /** @brief Macro to configure the RTC clock (RTCCLK). * @note As the RTC clock configuration bits are in the Backup domain and write * access is denied to this domain after reset, you have to enable write * access using the Power Backup Access macro before to configure * the RTC clock source (to be done once after reset). * @note Once the RTC clock is configured it can't be changed unless the * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by * a Power On Reset (POR). * @param __RTCCLKSource__: specifies the RTC clock source. * This parameter can be one of the following values: * @arg RCC_RTCCLKSOURCE_NONE: No clock selected as RTC clock * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock * @arg RCC_RTCCLKSOURCE_HSE_DIV32: HSE clock divided by 32 * * @note If the LSE is used as RTC clock source, the RTC continues to * work in STOP and STANDBY modes, and can be used as wakeup source. * However, when the LSI clock and HSE clock divided by 32 is used as RTC clock source, * the RTC cannot be used in STOP and STANDBY modes. * @note The system must always be configured so as to get a PCLK frequency greater than or * equal to the RTCCLK frequency for a proper operation of the RTC. */ #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) \ MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, (uint32_t)(__RTCCLKSource__)) /** @brief Macro to get the RTC clock source. * @retval The clock source can be one of the following values: * @arg RCC_RTCCLKSOURCE_NONE: No clock selected as RTC clock * @arg RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock * @arg RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock * @arg RCC_RTCCLKSOURCE_HSE_DIV32: HSE clock divided by 32 selected as RTC clock */ #define __HAL_RCC_GET_RTC_SOURCE() ((uint32_t)(READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))) /** @brief Macro to force or release the Backup domain reset. * @note These macros reset the RTC peripheral (including the backup registers) * and the RTC clock source selection in RCC_CSR register. * @note The BKPSRAM is not affected by this reset. */ #define __HAL_RCC_BACKUPRESET_FORCE() SET_BIT(RCC->BDCR, RCC_BDCR_BDRST) #define __HAL_RCC_BACKUPRESET_RELEASE() CLEAR_BIT(RCC->BDCR, RCC_BDCR_BDRST) /** @brief Macro to enable or disable the PLL. * @note After enabling the PLL, the application software should wait on * PLLRDY flag to be set indicating that PLL clock is stable and can * be used as system clock source. * @note The PLL can not be disabled if it is used as system clock source * @note The PLL is disabled by hardware when entering STOP and STANDBY modes. */ #define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON) #define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON) /** @brief Macro to configure the PLL clock source, multiplication and division factors. * @note This macro must be used only when the PLL is disabled. * * @param __RCC_PLLSource__: specifies the PLL entry clock source. * This parameter can be one of the following values: * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry * @param __PREDIV__: specifies the predivider factor for PLL VCO input clock * This parameter must be a number between RCC_PREDIV_DIV1 and RCC_PREDIV_DIV16. * @param __PLLMUL__: specifies the multiplication factor for PLL VCO input clock * This parameter must be a number between RCC_PLL_MUL2 and RCC_PLL_MUL16. * */ #define __HAL_RCC_PLL_CONFIG(__RCC_PLLSource__ , __PREDIV__, __PLLMUL__) \ do { \ MODIFY_REG(RCC->CFGR2, RCC_CFGR2_PREDIV, (__PREDIV__)); \ MODIFY_REG(RCC->CFGR, RCC_CFGR_PLLMUL | RCC_CFGR_PLLSRC, (uint32_t)((__PLLMUL__)|(__RCC_PLLSource__))); \ } while(0) /** @brief Macro to get the clock source used as system clock. * @retval The clock source used as system clock. * The returned value can be one of the following value: * @arg RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock * @arg RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock * @arg RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock */ #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_SWS))) /** @brief Macro to get the oscillator used as PLL clock source. * @retval The oscillator used as PLL clock source. The returned value can be one * of the following: * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source. */ #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC))) /** * @} */ /** @defgroup RCC_Flags_Interrupts_Management * @brief macros to manage the specified RCC Flags and interrupts. * @{ */ /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[12:8] bits to enable * the selected interrupts.). * @param __INTERRUPT__: specifies the RCC interrupt sources to be enabled. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt enable * @arg RCC_IT_LSERDY: LSE ready interrupt enable * @arg RCC_IT_HSIRDY: HSI ready interrupt enable * @arg RCC_IT_HSERDY: HSE ready interrupt enable * @arg RCC_IT_PLLRDY: PLL ready interrupt enable * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt enable * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt enable (only applicable to STM32F0X2 USB devices) */ #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *)RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__)) /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[12:8] bits to disable * the selected interrupts.). * @param __INTERRUPT__: specifies the RCC interrupt sources to be disabled. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt enable * @arg RCC_IT_LSERDY: LSE ready interrupt enable * @arg RCC_IT_HSIRDY: HSI ready interrupt enable * @arg RCC_IT_HSERDY: HSE ready interrupt enable * @arg RCC_IT_PLLRDY: PLL ready interrupt enable * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt enable * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt enable (only applicable to STM32F0X2 USB devices) */ #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *)RCC_CIR_BYTE1_ADDRESS &= ~(__INTERRUPT__)) /** @brief Clear the RCC's interrupt pending bits ( Perform Byte access to RCC_CIR[23:16] * bits to clear the selected interrupt pending bits. * @param __IT__: specifies the interrupt pending bit to clear. * This parameter can be any combination of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt clear * @arg RCC_IT_LSERDY: LSE ready interrupt clear * @arg RCC_IT_HSIRDY: HSI ready interrupt clear * @arg RCC_IT_HSERDY: HSE ready interrupt clear * @arg RCC_IT_PLLRDY: PLL ready interrupt clear * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt clear * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt clear (only applicable to STM32F0X2 USB devices) * @arg RCC_IT_CSS: Clock Security System interrupt clear */ #define __HAL_RCC_CLEAR_IT(__IT__) (*(__IO uint8_t *)RCC_CIR_BYTE2_ADDRESS = (__IT__)) /** @brief Check the RCC's interrupt has occurred or not. * @param __IT__: specifies the RCC interrupt source to check. * This parameter can be one of the following values: * @arg RCC_IT_LSIRDY: LSI ready interrupt flag * @arg RCC_IT_LSERDY: LSE ready interrupt flag * @arg RCC_IT_HSIRDY: HSI ready interrupt flag * @arg RCC_IT_HSERDY: HSE ready interrupt flag * @arg RCC_IT_PLLRDY: PLL ready interrupt flag * @arg RCC_IT_HSI14RDY: HSI14 ready interrupt flag * @arg RCC_IT_HSI48RDY: HSI48 ready interrupt flag (only applicable to STM32F0X2 USB devices) * @arg RCC_IT_CSS: Clock Security System interrupt flag * @retval The new state of __IT__ (TRUE or FALSE). */ #define __HAL_RCC_GET_IT(__IT__) ((RCC->CIR & (__IT__)) == (__IT__)) /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_OBLRST, RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, * RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST */ #define __HAL_RCC_CLEAR_RESET_FLAGS() SET_BIT(RCC->CSR, RCC_CSR_RMVF) /** @brief Check RCC flag is set or not. * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready * @arg RCC_FLAG_PLLRDY: PLL clock ready * @arg RCC_FLAG_HSI14RDY: HSI14 oscillator clock ready * @arg RCC_FLAG_HSI48RDY: HSI48 oscillator clock ready (only applicable to STM32F0X2 USB devices) * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready * @arg RCC_FLAG_OBLRST: Option Byte Load reset * @arg RCC_FLAG_PINRST: Pin reset * @arg RCC_FLAG_PORRST: POR/PDR reset * @arg RCC_FLAG_SFTRST: Software reset * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset * @arg RCC_FLAG_WWDGRST: Window Watchdog reset * @arg RCC_FLAG_LPWRRST: Low Power reset * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define RCC_FLAG_MASK ((uint8_t)0x1F) #define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5) == CR_REG_INDEX)? RCC->CR : \ (((__FLAG__) >> 5) == CR2_REG_INDEX)? RCC->CR2 : \ (((__FLAG__) >> 5) == BDCR_REG_INDEX) ? RCC->BDCR : \ RCC->CSR) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK))) /** * @} */ /* Include RCC HAL Extension module */ #include "stm32f0xx_hal_rcc_ex.h" /* Exported functions --------------------------------------------------------*/ /* Initialization and de-initialization functions ***************************/ void HAL_RCC_DeInit(void); HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct); HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency); /* Peripheral Control functions *********************************************/ void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv); void HAL_RCC_EnableCSS(void); void HAL_RCC_DisableCSS(void); uint32_t HAL_RCC_GetSysClockFreq(void); uint32_t HAL_RCC_GetHCLKFreq(void); uint32_t HAL_RCC_GetPCLK1Freq(void); void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct); void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency); /* CSS NMI IRQ handler */ void HAL_RCC_NMI_IRQHandler(void); /* User Callbacks in non blocking mode (IT mode) */ void HAL_RCC_CCSCallback(void); /** * @} */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F0xx_HAL_RCC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/