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Diff: TARGET_NUCLEO_F091RC/stm32f0xx_hal_rcc.h
- Revision:
- 90:cb3d968589d8
- Child:
- 93:e188a91d3eaa
diff -r 552587b429a1 -r cb3d968589d8 TARGET_NUCLEO_F091RC/stm32f0xx_hal_rcc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_F091RC/stm32f0xx_hal_rcc.h Tue Oct 28 16:40:41 2014 +0000 @@ -0,0 +1,1281 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_rcc.h + * @author MCD Application Team + * @version V1.1.0 + * @date 03-Oct-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 ------------------------------------------------------------*/ + +/** @defgroup RCC_Exported_Types 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 RCC Exported Constants + * @{ + */ + +/** @defgroup RCC_BitAddress_AliasRegion RCC BitAddress AliasRegion + * @brief RCC registers bit address in the alias region + * @{ + */ +#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) + +#define RCC_CFGR_PLLMUL_BITNUMBER 18 +#define RCC_CFGR2_PREDIV_BITNUMBER 0 + +/** + * @} + */ + +/** @defgroup RCC_Timeout RCC Timeout + * @{ + */ +/* 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 */ +/** + * @} + */ + +/** @defgroup RCC_Oscillator_Type 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 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 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 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 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 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 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 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 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 RCC PLL Clock Source + * @{ + */ +#define RCC_PLLSOURCE_HSE RCC_CFGR_PLLSRC_HSE_PREDIV +/** + * @} + */ + +/** @defgroup RCC_System_Clock_Type 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 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 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 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 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 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 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 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 RCC MCOx Index + * @{ + */ +#define RCC_MCO ((uint32_t)0x00000000) + +#define IS_RCC_MCO(MCOx) ((MCOx) == RCC_MCO) +/** + * @} + */ + +/** @defgroup RCC_MCO_Clock_Source 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 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 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)) +/** + * @} + */ + +/** @defgroup RCC_Calibration_values RCC Calibration values + * @{ + */ +#define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F) + +/** + * @} + */ + +/** @addtogroup RCC_Timeout + * @{ + */ + +#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 RCC Exported Macros + * @{ + */ + +/** @defgroup RCC_AHB_Clock_Enable_Disable RCC AHB Clock Enable Disable + * @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)) +/** + * @} + */ + +/** @defgroup RCC_APB1_Clock_Enable_Disable RCC APB1 Clock Enable Disable + * @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)) +/** + * @} + */ + +/** @defgroup RCC_APB2_Clock_Enable_Disable RCC APB2 Clock Enable Disable + * @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)) +/** + * @} + */ + +/** @defgroup RCC_AHB_Force_Release_Reset RCC AHB Force Release Reset + * @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)) +/** + * @} + */ + +/** @defgroup RCC_APB1_Force_Release_Reset RCC APB1 Force Release Reset + * @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)) +/** + * @} + */ + +/** @defgroup RCC_APB2_Force_Release_Reset RCC APB2 Force Release Reset + * @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)) +/** + * @} + */ + +/** @defgroup RCC_HSI_Configuration RCC HSI Configuration + * @{ + */ + +/** @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) +/** + * @} + */ + +/** @defgroup RCC_LSI_Configuration RCC LSI Configuration + * @{ + */ + +/** @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) +/** + * @} + */ + +/** @defgroup RCC_HSE_Configuration RCC HSE Configuration + * @{ + */ + +/** + * @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__)) +/** + * @} + */ + +/** @defgroup RCC_LSE_Configuration RCC LSE Configuration + * @{ + */ +/** + * @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__)) +/** + * @} + */ + +/** @defgroup RCC_HSI14_Configuration RCC_HSI14_Configuration + * @{ + */ + +/** @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) +/** + * @} + */ + +/** @defgroup RCC_USARTx_Clock_Config RCC USARTx Clock Config + * @{ + */ + +/** @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))) +/** + * @} + */ + +/** @defgroup RCC_I2Cx_Clock_Config RCC I2Cx Clock Config + * @{ + */ + +/** @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))) +/** + * @} + */ + +/** @addtogroup RCC_USARTx_Clock_Config RCC USARTx Clock Config + * @{ + */ +/** @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))) +/** + * @} + */ + +/** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration + * @{ + */ +/** @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))) +/** + * @} + */ + +/** @defgroup RCC_Force_Release_Backup RCC Force Release Backup + * @{ + */ + +/** @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) +/** + * @} + */ + +/** @defgroup RCC_PLL_Configuration RCC PLL Configuration + * @{ + */ + +/** @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) +/** + * @} + */ + +/** @defgroup RCC_Get_Clock_source RCC Get Clock source + * @{ + */ + +/** @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 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 --------------------------------------------------------*/ + +/** @addtogroup RCC_Exported_Functions + * @{ + */ + +/** @addtogroup RCC_Exported_Functions_Group1 + * @{ + */ + +/* 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); + +/** + * @} + */ + +/** @addtogroup RCC_Exported_Functions_Group2 + * @{ + */ + +/* 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****/ +