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/** |
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****************************************************************************** |
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* @file stm32f0xx_ll_crs.h |
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* @author MCD Application Team |
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* @brief Header file of CRS LL module. |
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****************************************************************************** |
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* @attention |
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* |
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. Neither the name of STMicroelectronics nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************** |
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*/ |
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/* Define to prevent recursive inclusion -------------------------------------*/ |
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#ifndef __STM32F0xx_LL_CRS_H |
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#define __STM32F0xx_LL_CRS_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32f0xx.h" |
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/** @addtogroup STM32F0xx_LL_Driver |
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* @{ |
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*/ |
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#if defined(CRS) |
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/** @defgroup CRS_LL CRS |
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* @{ |
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*/ |
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/* Private types -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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/* Private constants ---------------------------------------------------------*/ |
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/* Private macros ------------------------------------------------------------*/ |
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/* Exported types ------------------------------------------------------------*/ |
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/* Exported constants --------------------------------------------------------*/ |
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/** @defgroup CRS_LL_Exported_Constants CRS Exported Constants |
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* @{ |
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*/ |
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/** @defgroup CRS_LL_EC_GET_FLAG Get Flags Defines |
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* @brief Flags defines which can be used with LL_CRS_ReadReg function |
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* @{ |
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*/ |
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#define LL_CRS_ISR_SYNCOKF CRS_ISR_SYNCOKF |
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#define LL_CRS_ISR_SYNCWARNF CRS_ISR_SYNCWARNF |
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#define LL_CRS_ISR_ERRF CRS_ISR_ERRF |
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#define LL_CRS_ISR_ESYNCF CRS_ISR_ESYNCF |
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#define LL_CRS_ISR_SYNCERR CRS_ISR_SYNCERR |
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#define LL_CRS_ISR_SYNCMISS CRS_ISR_SYNCMISS |
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#define LL_CRS_ISR_TRIMOVF CRS_ISR_TRIMOVF |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_IT IT Defines |
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* @brief IT defines which can be used with LL_CRS_ReadReg and LL_CRS_WriteReg functions |
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* @{ |
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*/ |
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#define LL_CRS_CR_SYNCOKIE CRS_CR_SYNCOKIE |
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#define LL_CRS_CR_SYNCWARNIE CRS_CR_SYNCWARNIE |
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#define LL_CRS_CR_ERRIE CRS_CR_ERRIE |
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#define LL_CRS_CR_ESYNCIE CRS_CR_ESYNCIE |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_SYNC_DIV Synchronization Signal Divider |
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* @{ |
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*/ |
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#define LL_CRS_SYNC_DIV_1 ((uint32_t)0x00U) /*!< Synchro Signal not divided (default) */ |
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#define LL_CRS_SYNC_DIV_2 CRS_CFGR_SYNCDIV_0 /*!< Synchro Signal divided by 2 */ |
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#define LL_CRS_SYNC_DIV_4 CRS_CFGR_SYNCDIV_1 /*!< Synchro Signal divided by 4 */ |
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#define LL_CRS_SYNC_DIV_8 (CRS_CFGR_SYNCDIV_1 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 8 */ |
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#define LL_CRS_SYNC_DIV_16 CRS_CFGR_SYNCDIV_2 /*!< Synchro Signal divided by 16 */ |
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#define LL_CRS_SYNC_DIV_32 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_0) /*!< Synchro Signal divided by 32 */ |
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#define LL_CRS_SYNC_DIV_64 (CRS_CFGR_SYNCDIV_2 | CRS_CFGR_SYNCDIV_1) /*!< Synchro Signal divided by 64 */ |
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#define LL_CRS_SYNC_DIV_128 CRS_CFGR_SYNCDIV /*!< Synchro Signal divided by 128 */ |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_SYNC_SOURCE Synchronization Signal Source |
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* @{ |
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*/ |
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#define LL_CRS_SYNC_SOURCE_GPIO ((uint32_t)0x00U) /*!< Synchro Signal soucre GPIO */ |
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#define LL_CRS_SYNC_SOURCE_LSE CRS_CFGR_SYNCSRC_0 /*!< Synchro Signal source LSE */ |
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#define LL_CRS_SYNC_SOURCE_USB CRS_CFGR_SYNCSRC_1 /*!< Synchro Signal source USB SOF (default)*/ |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_SYNC_POLARITY Synchronization Signal Polarity |
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* @{ |
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*/ |
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#define LL_CRS_SYNC_POLARITY_RISING ((uint32_t)0x00U) /*!< Synchro Active on rising edge (default) */ |
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#define LL_CRS_SYNC_POLARITY_FALLING CRS_CFGR_SYNCPOL /*!< Synchro Active on falling edge */ |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_FREQERRORDIR Frequency Error Direction |
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* @{ |
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*/ |
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#define LL_CRS_FREQ_ERROR_DIR_UP ((uint32_t)0x00U) /*!< Upcounting direction, the actual frequency is above the target */ |
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#define LL_CRS_FREQ_ERROR_DIR_DOWN ((uint32_t)CRS_ISR_FEDIR) /*!< Downcounting direction, the actual frequency is below the target */ |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EC_DEFAULTVALUES Default Values |
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* @{ |
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*/ |
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/** |
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* @brief Reset value of the RELOAD field |
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* @note The reset value of the RELOAD field corresponds to a target frequency of 48 MHz |
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* and a synchronization signal frequency of 1 kHz (SOF signal from USB) |
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*/ |
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#define LL_CRS_RELOADVALUE_DEFAULT ((uint32_t)0xBB7FU) |
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/** |
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* @brief Reset value of Frequency error limit. |
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*/ |
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#define LL_CRS_ERRORLIMIT_DEFAULT ((uint32_t)0x22U) |
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/** |
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* @brief Reset value of the HSI48 Calibration field |
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* @note The default value is 32, which corresponds to the middle of the trimming interval. |
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* The trimming step is around 67 kHz between two consecutive TRIM steps. |
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* A higher TRIM value corresponds to a higher output frequency |
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*/ |
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#define LL_CRS_HSI48CALIBRATION_DEFAULT ((uint32_t)0x20U) |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/* Exported macro ------------------------------------------------------------*/ |
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/** @defgroup CRS_LL_Exported_Macros CRS Exported Macros |
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* @{ |
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*/ |
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/** @defgroup CRS_LL_EM_WRITE_READ Common Write and read registers Macros |
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* @{ |
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*/ |
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/** |
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* @brief Write a value in CRS register |
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* @param __INSTANCE__ CRS Instance |
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* @param __REG__ Register to be written |
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* @param __VALUE__ Value to be written in the register |
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* @retval None |
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*/ |
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#define LL_CRS_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
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/** |
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* @brief Read a value in CRS register |
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* @param __INSTANCE__ CRS Instance |
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* @param __REG__ Register to be read |
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* @retval Register value |
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*/ |
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#define LL_CRS_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
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/** |
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* @} |
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*/ |
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/** @defgroup CRS_LL_EM_Exported_Macros_Calculate_Reload Exported_Macros_Calculate_Reload |
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* @{ |
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*/ |
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/** |
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* @brief Macro to calculate reload value to be set in CRS register according to target and sync frequencies |
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* @note The RELOAD value should be selected according to the ratio between |
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* the target frequency and the frequency of the synchronization source after |
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* prescaling. It is then decreased by one in order to reach the expected |
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* synchronization on the zero value. The formula is the following: |
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* RELOAD = (fTARGET / fSYNC) -1 |
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* @param __FTARGET__ Target frequency (value in Hz) |
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* @param __FSYNC__ Synchronization signal frequency (value in Hz) |
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* @retval Reload value (in Hz) |
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*/ |
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#define __LL_CRS_CALC_CALCULATE_RELOADVALUE(__FTARGET__, __FSYNC__) (((__FTARGET__) / (__FSYNC__)) - 1U) |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/* Exported functions --------------------------------------------------------*/ |
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/** @defgroup CRS_LL_Exported_Functions CRS Exported Functions |
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* @{ |
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*/ |
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/** @defgroup CRS_LL_EF_Configuration Configuration |
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* @{ |
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*/ |
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/** |
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* @brief Enable Frequency error counter |
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* @note When this bit is set, the CRS_CFGR register is write-protected and cannot be modified |
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* @rmtoll CR CEN LL_CRS_EnableFreqErrorCounter |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_EnableFreqErrorCounter(void) |
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{ |
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SET_BIT(CRS->CR, CRS_CR_CEN); |
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} |
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/** |
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* @brief Disable Frequency error counter |
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* @rmtoll CR CEN LL_CRS_DisableFreqErrorCounter |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_DisableFreqErrorCounter(void) |
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{ |
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CLEAR_BIT(CRS->CR, CRS_CR_CEN); |
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} |
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/** |
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* @brief Check if Frequency error counter is enabled or not |
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* @rmtoll CR CEN LL_CRS_IsEnabledFreqErrorCounter |
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* @retval State of bit (1 or 0). |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_IsEnabledFreqErrorCounter(void) |
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{ |
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return (READ_BIT(CRS->CR, CRS_CR_CEN) == (CRS_CR_CEN)); |
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} |
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/** |
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* @brief Enable Automatic trimming counter |
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* @rmtoll CR AUTOTRIMEN LL_CRS_EnableAutoTrimming |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_EnableAutoTrimming(void) |
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{ |
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SET_BIT(CRS->CR, CRS_CR_AUTOTRIMEN); |
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} |
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/** |
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* @brief Disable Automatic trimming counter |
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* @rmtoll CR AUTOTRIMEN LL_CRS_DisableAutoTrimming |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_DisableAutoTrimming(void) |
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{ |
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CLEAR_BIT(CRS->CR, CRS_CR_AUTOTRIMEN); |
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} |
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/** |
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* @brief Check if Automatic trimming is enabled or not |
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* @rmtoll CR AUTOTRIMEN LL_CRS_IsEnabledAutoTrimming |
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* @retval State of bit (1 or 0). |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_IsEnabledAutoTrimming(void) |
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{ |
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return (READ_BIT(CRS->CR, CRS_CR_AUTOTRIMEN) == (CRS_CR_AUTOTRIMEN)); |
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} |
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/** |
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* @brief Set HSI48 oscillator smooth trimming |
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* @note When the AUTOTRIMEN bit is set, this field is controlled by hardware and is read-only |
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* @rmtoll CR TRIM LL_CRS_SetHSI48SmoothTrimming |
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* @param Value a number between Min_Data = 0 and Max_Data = 63 |
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* @note Default value can be set thanks to @ref LL_CRS_HSI48CALIBRATION_DEFAULT |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_SetHSI48SmoothTrimming(uint32_t Value) |
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{ |
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MODIFY_REG(CRS->CR, CRS_CR_TRIM, Value << CRS_CR_TRIM_Pos); |
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} |
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/** |
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* @brief Get HSI48 oscillator smooth trimming |
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* @rmtoll CR TRIM LL_CRS_GetHSI48SmoothTrimming |
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* @retval a number between Min_Data = 0 and Max_Data = 63 |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_GetHSI48SmoothTrimming(void) |
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{ |
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return (uint32_t)(READ_BIT(CRS->CR, CRS_CR_TRIM) >> CRS_CR_TRIM_Pos); |
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} |
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/** |
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* @brief Set counter reload value |
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* @rmtoll CFGR RELOAD LL_CRS_SetReloadCounter |
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* @param Value a number between Min_Data = 0 and Max_Data = 0xFFFF |
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* @note Default value can be set thanks to @ref LL_CRS_RELOADVALUE_DEFAULT |
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* Otherwise it can be calculated in using macro @ref __LL_CRS_CALC_CALCULATE_RELOADVALUE (_FTARGET_, _FSYNC_) |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_SetReloadCounter(uint32_t Value) |
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{ |
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MODIFY_REG(CRS->CFGR, CRS_CFGR_RELOAD, Value); |
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} |
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/** |
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* @brief Get counter reload value |
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* @rmtoll CFGR RELOAD LL_CRS_GetReloadCounter |
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* @retval a number between Min_Data = 0 and Max_Data = 0xFFFF |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_GetReloadCounter(void) |
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{ |
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return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_RELOAD)); |
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} |
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/** |
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* @brief Set frequency error limit |
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* @rmtoll CFGR FELIM LL_CRS_SetFreqErrorLimit |
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* @param Value a number between Min_Data = 0 and Max_Data = 255 |
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* @note Default value can be set thanks to @ref LL_CRS_ERRORLIMIT_DEFAULT |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_SetFreqErrorLimit(uint32_t Value) |
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{ |
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MODIFY_REG(CRS->CFGR, CRS_CFGR_FELIM, Value << CRS_CFGR_FELIM_Pos); |
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} |
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/** |
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* @brief Get frequency error limit |
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* @rmtoll CFGR FELIM LL_CRS_GetFreqErrorLimit |
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* @retval A number between Min_Data = 0 and Max_Data = 255 |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorLimit(void) |
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{ |
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return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_FELIM) >> CRS_CFGR_FELIM_Pos); |
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} |
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/** |
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* @brief Set division factor for SYNC signal |
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* @rmtoll CFGR SYNCDIV LL_CRS_SetSyncDivider |
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* @param Divider This parameter can be one of the following values: |
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* @arg @ref LL_CRS_SYNC_DIV_1 |
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* @arg @ref LL_CRS_SYNC_DIV_2 |
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* @arg @ref LL_CRS_SYNC_DIV_4 |
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* @arg @ref LL_CRS_SYNC_DIV_8 |
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* @arg @ref LL_CRS_SYNC_DIV_16 |
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* @arg @ref LL_CRS_SYNC_DIV_32 |
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* @arg @ref LL_CRS_SYNC_DIV_64 |
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* @arg @ref LL_CRS_SYNC_DIV_128 |
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* @retval None |
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*/ |
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__STATIC_INLINE void LL_CRS_SetSyncDivider(uint32_t Divider) |
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{ |
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MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCDIV, Divider); |
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} |
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/** |
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* @brief Get division factor for SYNC signal |
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* @rmtoll CFGR SYNCDIV LL_CRS_GetSyncDivider |
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* @retval Returned value can be one of the following values: |
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* @arg @ref LL_CRS_SYNC_DIV_1 |
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* @arg @ref LL_CRS_SYNC_DIV_2 |
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* @arg @ref LL_CRS_SYNC_DIV_4 |
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* @arg @ref LL_CRS_SYNC_DIV_8 |
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* @arg @ref LL_CRS_SYNC_DIV_16 |
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* @arg @ref LL_CRS_SYNC_DIV_32 |
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* @arg @ref LL_CRS_SYNC_DIV_64 |
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* @arg @ref LL_CRS_SYNC_DIV_128 |
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*/ |
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__STATIC_INLINE uint32_t LL_CRS_GetSyncDivider(void) |
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{ |
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return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCDIV)); |
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} |
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/** |
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* @brief Set SYNC signal source |
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* @rmtoll CFGR SYNCSRC LL_CRS_SetSyncSignalSource |
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* @param Source This parameter can be one of the following values: |
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* @arg @ref LL_CRS_SYNC_SOURCE_GPIO |
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* @arg @ref LL_CRS_SYNC_SOURCE_LSE |
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* @arg @ref LL_CRS_SYNC_SOURCE_USB |
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* @retval None |
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*/ |
|
406 |
__STATIC_INLINE void LL_CRS_SetSyncSignalSource(uint32_t Source) |
|
407 |
{ |
|
408 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCSRC, Source); |
|
409 |
} |
|
410 |
|
|
411 |
/** |
|
412 |
* @brief Get SYNC signal source |
|
413 |
* @rmtoll CFGR SYNCSRC LL_CRS_GetSyncSignalSource |
|
414 |
* @retval Returned value can be one of the following values: |
|
415 |
* @arg @ref LL_CRS_SYNC_SOURCE_GPIO |
|
416 |
* @arg @ref LL_CRS_SYNC_SOURCE_LSE |
|
417 |
* @arg @ref LL_CRS_SYNC_SOURCE_USB |
|
418 |
*/ |
|
419 |
__STATIC_INLINE uint32_t LL_CRS_GetSyncSignalSource(void) |
|
420 |
{ |
|
421 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCSRC)); |
|
422 |
} |
|
423 |
|
|
424 |
/** |
|
425 |
* @brief Set input polarity for the SYNC signal source |
|
426 |
* @rmtoll CFGR SYNCPOL LL_CRS_SetSyncPolarity |
|
427 |
* @param Polarity This parameter can be one of the following values: |
|
428 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING |
|
429 |
* @arg @ref LL_CRS_SYNC_POLARITY_FALLING |
|
430 |
* @retval None |
|
431 |
*/ |
|
432 |
__STATIC_INLINE void LL_CRS_SetSyncPolarity(uint32_t Polarity) |
|
433 |
{ |
|
434 |
MODIFY_REG(CRS->CFGR, CRS_CFGR_SYNCPOL, Polarity); |
|
435 |
} |
|
436 |
|
|
437 |
/** |
|
438 |
* @brief Get input polarity for the SYNC signal source |
|
439 |
* @rmtoll CFGR SYNCPOL LL_CRS_GetSyncPolarity |
|
440 |
* @retval Returned value can be one of the following values: |
|
441 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING |
|
442 |
* @arg @ref LL_CRS_SYNC_POLARITY_FALLING |
|
443 |
*/ |
|
444 |
__STATIC_INLINE uint32_t LL_CRS_GetSyncPolarity(void) |
|
445 |
{ |
|
446 |
return (uint32_t)(READ_BIT(CRS->CFGR, CRS_CFGR_SYNCPOL)); |
|
447 |
} |
|
448 |
|
|
449 |
/** |
|
450 |
* @brief Configure CRS for the synchronization |
|
451 |
* @rmtoll CR TRIM LL_CRS_ConfigSynchronization\n |
|
452 |
* CFGR RELOAD LL_CRS_ConfigSynchronization\n |
|
453 |
* CFGR FELIM LL_CRS_ConfigSynchronization\n |
|
454 |
* CFGR SYNCDIV LL_CRS_ConfigSynchronization\n |
|
455 |
* CFGR SYNCSRC LL_CRS_ConfigSynchronization\n |
|
456 |
* CFGR SYNCPOL LL_CRS_ConfigSynchronization |
|
457 |
* @param HSI48CalibrationValue a number between Min_Data = 0 and Max_Data = 63 |
|
458 |
* @param ErrorLimitValue a number between Min_Data = 0 and Max_Data = 0xFFFF |
|
459 |
* @param ReloadValue a number between Min_Data = 0 and Max_Data = 255 |
|
460 |
* @param Settings This parameter can be a combination of the following values: |
|
461 |
* @arg @ref LL_CRS_SYNC_DIV_1 or @ref LL_CRS_SYNC_DIV_2 or @ref LL_CRS_SYNC_DIV_4 or @ref LL_CRS_SYNC_DIV_8 |
|
462 |
* or @ref LL_CRS_SYNC_DIV_16 or @ref LL_CRS_SYNC_DIV_32 or @ref LL_CRS_SYNC_DIV_64 or @ref LL_CRS_SYNC_DIV_128 |
|
463 |
* @arg @ref LL_CRS_SYNC_SOURCE_GPIO or @ref LL_CRS_SYNC_SOURCE_LSE or @ref LL_CRS_SYNC_SOURCE_USB |
|
464 |
* @arg @ref LL_CRS_SYNC_POLARITY_RISING or @ref LL_CRS_SYNC_POLARITY_FALLING |
|
465 |
* @retval None |
|
466 |
*/ |
|
467 |
__STATIC_INLINE void LL_CRS_ConfigSynchronization(uint32_t HSI48CalibrationValue, uint32_t ErrorLimitValue, uint32_t ReloadValue, uint32_t Settings) |
|
468 |
{ |
|
469 |
MODIFY_REG(CRS->CR, CRS_CR_TRIM, HSI48CalibrationValue << CRS_CR_TRIM_Pos); |
|
470 |
MODIFY_REG(CRS->CFGR, |
|
471 |
CRS_CFGR_RELOAD | CRS_CFGR_FELIM | CRS_CFGR_SYNCDIV | CRS_CFGR_SYNCSRC | CRS_CFGR_SYNCPOL, |
|
472 |
ReloadValue | (ErrorLimitValue << CRS_CFGR_FELIM_Pos) | Settings); |
|
473 |
} |
|
474 |
|
|
475 |
/** |
|
476 |
* @} |
|
477 |
*/ |
|
478 |
|
|
479 |
/** @defgroup CRS_LL_EF_CRS_Management CRS_Management |
|
480 |
* @{ |
|
481 |
*/ |
|
482 |
|
|
483 |
/** |
|
484 |
* @brief Generate software SYNC event |
|
485 |
* @rmtoll CR SWSYNC LL_CRS_GenerateEvent_SWSYNC |
|
486 |
* @retval None |
|
487 |
*/ |
|
488 |
__STATIC_INLINE void LL_CRS_GenerateEvent_SWSYNC(void) |
|
489 |
{ |
|
490 |
SET_BIT(CRS->CR, CRS_CR_SWSYNC); |
|
491 |
} |
|
492 |
|
|
493 |
/** |
|
494 |
* @brief Get the frequency error direction latched in the time of the last |
|
495 |
* SYNC event |
|
496 |
* @rmtoll ISR FEDIR LL_CRS_GetFreqErrorDirection |
|
497 |
* @retval Returned value can be one of the following values: |
|
498 |
* @arg @ref LL_CRS_FREQ_ERROR_DIR_UP |
|
499 |
* @arg @ref LL_CRS_FREQ_ERROR_DIR_DOWN |
|
500 |
*/ |
|
501 |
__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorDirection(void) |
|
502 |
{ |
|
503 |
return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FEDIR)); |
|
504 |
} |
|
505 |
|
|
506 |
/** |
|
507 |
* @brief Get the frequency error counter value latched in the time of the last SYNC event |
|
508 |
* @rmtoll ISR FECAP LL_CRS_GetFreqErrorCapture |
|
509 |
* @retval A number between Min_Data = 0x0000 and Max_Data = 0xFFFF |
|
510 |
*/ |
|
511 |
__STATIC_INLINE uint32_t LL_CRS_GetFreqErrorCapture(void) |
|
512 |
{ |
|
513 |
return (uint32_t)(READ_BIT(CRS->ISR, CRS_ISR_FECAP) >> CRS_ISR_FECAP_Pos); |
|
514 |
} |
|
515 |
|
|
516 |
/** |
|
517 |
* @} |
|
518 |
*/ |
|
519 |
|
|
520 |
/** @defgroup CRS_LL_EF_FLAG_Management FLAG_Management |
|
521 |
* @{ |
|
522 |
*/ |
|
523 |
|
|
524 |
/** |
|
525 |
* @brief Check if SYNC event OK signal occurred or not |
|
526 |
* @rmtoll ISR SYNCOKF LL_CRS_IsActiveFlag_SYNCOK |
|
527 |
* @retval State of bit (1 or 0). |
|
528 |
*/ |
|
529 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCOK(void) |
|
530 |
{ |
|
531 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCOKF) == (CRS_ISR_SYNCOKF)); |
|
532 |
} |
|
533 |
|
|
534 |
/** |
|
535 |
* @brief Check if SYNC warning signal occurred or not |
|
536 |
* @rmtoll ISR SYNCWARNF LL_CRS_IsActiveFlag_SYNCWARN |
|
537 |
* @retval State of bit (1 or 0). |
|
538 |
*/ |
|
539 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCWARN(void) |
|
540 |
{ |
|
541 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCWARNF) == (CRS_ISR_SYNCWARNF)); |
|
542 |
} |
|
543 |
|
|
544 |
/** |
|
545 |
* @brief Check if Synchronization or trimming error signal occurred or not |
|
546 |
* @rmtoll ISR ERRF LL_CRS_IsActiveFlag_ERR |
|
547 |
* @retval State of bit (1 or 0). |
|
548 |
*/ |
|
549 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ERR(void) |
|
550 |
{ |
|
551 |
return (READ_BIT(CRS->ISR, CRS_ISR_ERRF) == (CRS_ISR_ERRF)); |
|
552 |
} |
|
553 |
|
|
554 |
/** |
|
555 |
* @brief Check if Expected SYNC signal occurred or not |
|
556 |
* @rmtoll ISR ESYNCF LL_CRS_IsActiveFlag_ESYNC |
|
557 |
* @retval State of bit (1 or 0). |
|
558 |
*/ |
|
559 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_ESYNC(void) |
|
560 |
{ |
|
561 |
return (READ_BIT(CRS->ISR, CRS_ISR_ESYNCF) == (CRS_ISR_ESYNCF)); |
|
562 |
} |
|
563 |
|
|
564 |
/** |
|
565 |
* @brief Check if SYNC error signal occurred or not |
|
566 |
* @rmtoll ISR SYNCERR LL_CRS_IsActiveFlag_SYNCERR |
|
567 |
* @retval State of bit (1 or 0). |
|
568 |
*/ |
|
569 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCERR(void) |
|
570 |
{ |
|
571 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCERR) == (CRS_ISR_SYNCERR)); |
|
572 |
} |
|
573 |
|
|
574 |
/** |
|
575 |
* @brief Check if SYNC missed error signal occurred or not |
|
576 |
* @rmtoll ISR SYNCMISS LL_CRS_IsActiveFlag_SYNCMISS |
|
577 |
* @retval State of bit (1 or 0). |
|
578 |
*/ |
|
579 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_SYNCMISS(void) |
|
580 |
{ |
|
581 |
return (READ_BIT(CRS->ISR, CRS_ISR_SYNCMISS) == (CRS_ISR_SYNCMISS)); |
|
582 |
} |
|
583 |
|
|
584 |
/** |
|
585 |
* @brief Check if Trimming overflow or underflow occurred or not |
|
586 |
* @rmtoll ISR TRIMOVF LL_CRS_IsActiveFlag_TRIMOVF |
|
587 |
* @retval State of bit (1 or 0). |
|
588 |
*/ |
|
589 |
__STATIC_INLINE uint32_t LL_CRS_IsActiveFlag_TRIMOVF(void) |
|
590 |
{ |
|
591 |
return (READ_BIT(CRS->ISR, CRS_ISR_TRIMOVF) == (CRS_ISR_TRIMOVF)); |
|
592 |
} |
|
593 |
|
|
594 |
/** |
|
595 |
* @brief Clear the SYNC event OK flag |
|
596 |
* @rmtoll ICR SYNCOKC LL_CRS_ClearFlag_SYNCOK |
|
597 |
* @retval None |
|
598 |
*/ |
|
599 |
__STATIC_INLINE void LL_CRS_ClearFlag_SYNCOK(void) |
|
600 |
{ |
|
601 |
WRITE_REG(CRS->ICR, CRS_ICR_SYNCOKC); |
|
602 |
} |
|
603 |
|
|
604 |
/** |
|
605 |
* @brief Clear the SYNC warning flag |
|
606 |
* @rmtoll ICR SYNCWARNC LL_CRS_ClearFlag_SYNCWARN |
|
607 |
* @retval None |
|
608 |
*/ |
|
609 |
__STATIC_INLINE void LL_CRS_ClearFlag_SYNCWARN(void) |
|
610 |
{ |
|
611 |
WRITE_REG(CRS->ICR, CRS_ICR_SYNCWARNC); |
|
612 |
} |
|
613 |
|
|
614 |
/** |
|
615 |
* @brief Clear TRIMOVF, SYNCMISS and SYNCERR bits and consequently also |
|
616 |
* the ERR flag |
|
617 |
* @rmtoll ICR ERRC LL_CRS_ClearFlag_ERR |
|
618 |
* @retval None |
|
619 |
*/ |
|
620 |
__STATIC_INLINE void LL_CRS_ClearFlag_ERR(void) |
|
621 |
{ |
|
622 |
WRITE_REG(CRS->ICR, CRS_ICR_ERRC); |
|
623 |
} |
|
624 |
|
|
625 |
/** |
|
626 |
* @brief Clear Expected SYNC flag |
|
627 |
* @rmtoll ICR ESYNCC LL_CRS_ClearFlag_ESYNC |
|
628 |
* @retval None |
|
629 |
*/ |
|
630 |
__STATIC_INLINE void LL_CRS_ClearFlag_ESYNC(void) |
|
631 |
{ |
|
632 |
WRITE_REG(CRS->ICR, CRS_ICR_ESYNCC); |
|
633 |
} |
|
634 |
|
|
635 |
/** |
|
636 |
* @} |
|
637 |
*/ |
|
638 |
|
|
639 |
/** @defgroup CRS_LL_EF_IT_Management IT_Management |
|
640 |
* @{ |
|
641 |
*/ |
|
642 |
|
|
643 |
/** |
|
644 |
* @brief Enable SYNC event OK interrupt |
|
645 |
* @rmtoll CR SYNCOKIE LL_CRS_EnableIT_SYNCOK |
|
646 |
* @retval None |
|
647 |
*/ |
|
648 |
__STATIC_INLINE void LL_CRS_EnableIT_SYNCOK(void) |
|
649 |
{ |
|
650 |
SET_BIT(CRS->CR, CRS_CR_SYNCOKIE); |
|
651 |
} |
|
652 |
|
|
653 |
/** |
|
654 |
* @brief Disable SYNC event OK interrupt |
|
655 |
* @rmtoll CR SYNCOKIE LL_CRS_DisableIT_SYNCOK |
|
656 |
* @retval None |
|
657 |
*/ |
|
658 |
__STATIC_INLINE void LL_CRS_DisableIT_SYNCOK(void) |
|
659 |
{ |
|
660 |
CLEAR_BIT(CRS->CR, CRS_CR_SYNCOKIE); |
|
661 |
} |
|
662 |
|
|
663 |
/** |
|
664 |
* @brief Check if SYNC event OK interrupt is enabled or not |
|
665 |
* @rmtoll CR SYNCOKIE LL_CRS_IsEnabledIT_SYNCOK |
|
666 |
* @retval State of bit (1 or 0). |
|
667 |
*/ |
|
668 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCOK(void) |
|
669 |
{ |
|
670 |
return (READ_BIT(CRS->CR, CRS_CR_SYNCOKIE) == (CRS_CR_SYNCOKIE)); |
|
671 |
} |
|
672 |
|
|
673 |
/** |
|
674 |
* @brief Enable SYNC warning interrupt |
|
675 |
* @rmtoll CR SYNCWARNIE LL_CRS_EnableIT_SYNCWARN |
|
676 |
* @retval None |
|
677 |
*/ |
|
678 |
__STATIC_INLINE void LL_CRS_EnableIT_SYNCWARN(void) |
|
679 |
{ |
|
680 |
SET_BIT(CRS->CR, CRS_CR_SYNCWARNIE); |
|
681 |
} |
|
682 |
|
|
683 |
/** |
|
684 |
* @brief Disable SYNC warning interrupt |
|
685 |
* @rmtoll CR SYNCWARNIE LL_CRS_DisableIT_SYNCWARN |
|
686 |
* @retval None |
|
687 |
*/ |
|
688 |
__STATIC_INLINE void LL_CRS_DisableIT_SYNCWARN(void) |
|
689 |
{ |
|
690 |
CLEAR_BIT(CRS->CR, CRS_CR_SYNCWARNIE); |
|
691 |
} |
|
692 |
|
|
693 |
/** |
|
694 |
* @brief Check if SYNC warning interrupt is enabled or not |
|
695 |
* @rmtoll CR SYNCWARNIE LL_CRS_IsEnabledIT_SYNCWARN |
|
696 |
* @retval State of bit (1 or 0). |
|
697 |
*/ |
|
698 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_SYNCWARN(void) |
|
699 |
{ |
|
700 |
return (READ_BIT(CRS->CR, CRS_CR_SYNCWARNIE) == (CRS_CR_SYNCWARNIE)); |
|
701 |
} |
|
702 |
|
|
703 |
/** |
|
704 |
* @brief Enable Synchronization or trimming error interrupt |
|
705 |
* @rmtoll CR ERRIE LL_CRS_EnableIT_ERR |
|
706 |
* @retval None |
|
707 |
*/ |
|
708 |
__STATIC_INLINE void LL_CRS_EnableIT_ERR(void) |
|
709 |
{ |
|
710 |
SET_BIT(CRS->CR, CRS_CR_ERRIE); |
|
711 |
} |
|
712 |
|
|
713 |
/** |
|
714 |
* @brief Disable Synchronization or trimming error interrupt |
|
715 |
* @rmtoll CR ERRIE LL_CRS_DisableIT_ERR |
|
716 |
* @retval None |
|
717 |
*/ |
|
718 |
__STATIC_INLINE void LL_CRS_DisableIT_ERR(void) |
|
719 |
{ |
|
720 |
CLEAR_BIT(CRS->CR, CRS_CR_ERRIE); |
|
721 |
} |
|
722 |
|
|
723 |
/** |
|
724 |
* @brief Check if Synchronization or trimming error interrupt is enabled or not |
|
725 |
* @rmtoll CR ERRIE LL_CRS_IsEnabledIT_ERR |
|
726 |
* @retval State of bit (1 or 0). |
|
727 |
*/ |
|
728 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ERR(void) |
|
729 |
{ |
|
730 |
return (READ_BIT(CRS->CR, CRS_CR_ERRIE) == (CRS_CR_ERRIE)); |
|
731 |
} |
|
732 |
|
|
733 |
/** |
|
734 |
* @brief Enable Expected SYNC interrupt |
|
735 |
* @rmtoll CR ESYNCIE LL_CRS_EnableIT_ESYNC |
|
736 |
* @retval None |
|
737 |
*/ |
|
738 |
__STATIC_INLINE void LL_CRS_EnableIT_ESYNC(void) |
|
739 |
{ |
|
740 |
SET_BIT(CRS->CR, CRS_CR_ESYNCIE); |
|
741 |
} |
|
742 |
|
|
743 |
/** |
|
744 |
* @brief Disable Expected SYNC interrupt |
|
745 |
* @rmtoll CR ESYNCIE LL_CRS_DisableIT_ESYNC |
|
746 |
* @retval None |
|
747 |
*/ |
|
748 |
__STATIC_INLINE void LL_CRS_DisableIT_ESYNC(void) |
|
749 |
{ |
|
750 |
CLEAR_BIT(CRS->CR, CRS_CR_ESYNCIE); |
|
751 |
} |
|
752 |
|
|
753 |
/** |
|
754 |
* @brief Check if Expected SYNC interrupt is enabled or not |
|
755 |
* @rmtoll CR ESYNCIE LL_CRS_IsEnabledIT_ESYNC |
|
756 |
* @retval State of bit (1 or 0). |
|
757 |
*/ |
|
758 |
__STATIC_INLINE uint32_t LL_CRS_IsEnabledIT_ESYNC(void) |
|
759 |
{ |
|
760 |
return (READ_BIT(CRS->CR, CRS_CR_ESYNCIE) == (CRS_CR_ESYNCIE)); |
|
761 |
} |
|
762 |
|
|
763 |
/** |
|
764 |
* @} |
|
765 |
*/ |
|
766 |
|
|
767 |
#if defined(USE_FULL_LL_DRIVER) |
|
768 |
/** @defgroup CRS_LL_EF_Init Initialization and de-initialization functions |
|
769 |
* @{ |
|
770 |
*/ |
|
771 |
|
|
772 |
ErrorStatus LL_CRS_DeInit(void); |
|
773 |
|
|
774 |
/** |
|
775 |
* @} |
|
776 |
*/ |
|
777 |
#endif /* USE_FULL_LL_DRIVER */ |
|
778 |
|
|
779 |
/** |
|
780 |
* @} |
|
781 |
*/ |
|
782 |
|
|
783 |
/** |
|
784 |
* @} |
|
785 |
*/ |
|
786 |
|
|
787 |
#endif /* defined(CRS) */ |
|
788 |
|
|
789 |
/** |
|
790 |
* @} |
|
791 |
*/ |
|
792 |
|
|
793 |
#ifdef __cplusplus |
|
794 |
} |
|
795 |
#endif |
|
796 |
|
|
797 |
#endif /* __STM32F0xx_LL_CRS_H */ |
|
798 |
|
|
799 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |