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198 lines
6.8 KiB
C
198 lines
6.8 KiB
C
/**
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******************************************************************************
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* @file py32f403_ll_ctc.c
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* @author MCU Application Team
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* @brief CTC LL module driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "py32f403_ll_ctc.h"
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#include "py32f403_ll_bus.h"
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#ifdef USE_FULL_ASSERT
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#include "py32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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/** @addtogroup PY32F403_LL_Driver
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* @{
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*/
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#if defined (CTC)
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/** @addtogroup CTC_LL
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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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/** @defgroup CTC_LL_Private_Macros CTC Private Macros
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* @{
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*/
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#define IS_CTC_AUTO_TRIM(VALUE) (((VALUE) == LL_CTC_AUTO_TRIM_DISABLE) || \
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((VALUE) == LL_CTC_AUTO_TRIM_ENABLE))
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#define IS_CTC_REF_CLOCK(VALUE) (((VALUE) == LL_CTC_REF_CLOCK_SOURCE_GPIO) || \
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((VALUE) == LL_CTC_REF_CLOCK_SOURCE_LSE) || \
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((VALUE) == LL_CTC_REF_CLOCK_SOURCE_USBD_SOF))
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#define IS_CTC_REF_CLOCK_DIV(VALUE) (((VALUE) == LL_CTC_REF_CLOCK_DIV1) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV2) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV4) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV8) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV16) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV32) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV64) || \
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((VALUE) == LL_CTC_REF_CLOCK_DIV128))
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#define IS_CTC_REF_CLOCK_POLARITY(VALUE) (((VALUE) == LL_CTC_REF_CLOCK_POLARITY_RISING) || \
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((VALUE) == LL_CTC_REF_CLOCK_POLARITY_FALLING))
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#define IS_CTC_RELOAD_VALUE(VALUE) ((VALUE) <= 0xFFFF)
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#define IS_CTC_LIMIT_VALUE(VALUE) ((VALUE) <= 0xFF)
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup CTC_LL_Exported_Functions
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* @{
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*/
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/** @addtogroup CTC_LL_EF_Init
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* @{
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*/
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/**
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* @brief De-initialize the CTC registers to their default reset values.
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* @param CTCx CTC Instance
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: CTC registers are de-initialized
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* - ERROR: CTC registers are not de-initialized
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*/
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ErrorStatus LL_CTC_DeInit(CTC_TypeDef *CTCx)
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{
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ErrorStatus status = ERROR;
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/* Check the parameters */
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assert_param(IS_CTC_ALL_INSTANCE(CTCx));
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if (CTCx == CTC)
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{
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/* Force reset of CTC clock */
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LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_CTC);
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/* Release reset of CTC clock */
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LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_CTC);
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status = SUCCESS;
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}
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return status;
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}
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/**
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* @brief Initialize the CTC registers according to the specified parameters in CTC_InitStruct.
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* @param CTCx CTC Instance
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* @param CTC_InitStruct pointer to a @ref LL_CTC_InitTypeDef structure
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* @retval An ErrorStatus enumeration value. (Return always SUCCESS)
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*/
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ErrorStatus LL_CTC_Init(CTC_TypeDef *CTCx, LL_CTC_InitTypeDef *CTC_InitStruct)
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{
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ErrorStatus status = SUCCESS;
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/* Check the CTC Instance CTCx*/
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assert_param(IS_CTC_ALL_INSTANCE(CTCx));
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/* Check the CTC parameters from CTC_InitStruct*/
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assert_param(IS_CTC_AUTO_TRIM(CTC_InitStruct->AutoTrim));
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assert_param(IS_CTC_REF_CLOCK(CTC_InitStruct->RefCLKSource));
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assert_param(IS_CTC_REF_CLOCK_DIV(CTC_InitStruct->RefCLKDivider));
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assert_param(IS_CTC_REF_CLOCK_POLARITY(CTC_InitStruct->RefCLKPolarity));
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assert_param(IS_CTC_RELOAD_VALUE(CTC_InitStruct->ReloadValue));
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assert_param(IS_CTC_LIMIT_VALUE(CTC_InitStruct->LimitValue));
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/* CTCx CTL0 and CTL1 Configuration */
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MODIFY_REG(CTCx->CTL0, CTC_CTL0_AUTOTRIM, CTC_InitStruct->AutoTrim);
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MODIFY_REG(CTCx->CTL1, (CTC_CTL1_REFSEL | \
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CTC_CTL1_REFPSC | \
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CTC_CTL1_REFPOL | \
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CTC_CTL1_RLVALUE | \
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CTC_CTL1_CKLIM), \
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((CTC_InitStruct->RefCLKSource) | \
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(CTC_InitStruct->RefCLKDivider) | \
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(CTC_InitStruct->RefCLKPolarity) | \
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((CTC_InitStruct->ReloadValue) << CTC_CTL1_RLVALUE_Pos) | \
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((CTC_InitStruct->LimitValue) << CTC_CTL1_CKLIM_Pos)));
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return status;
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}
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/**
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* @brief Set each @ref LL_CTC_InitTypeDef field to default value.
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* @param CTC_InitStruct pointer to a @ref LL_CTC_InitTypeDef structure
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* whose fields will be set to default values.
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* @retval None
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*/
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void LL_CTC_StructInit(LL_CTC_InitTypeDef *CTC_InitStruct)
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{
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/* Set CTC_InitStruct fields to default values */
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CTC_InitStruct->AutoTrim = LL_CTC_AUTO_TRIM_DISABLE;
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CTC_InitStruct->LimitValue = 0x22U;
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CTC_InitStruct->ReloadValue = 0xBB7FU;
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CTC_InitStruct->RefCLKSource = LL_CTC_REF_CLOCK_SOURCE_USBD_SOF;
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CTC_InitStruct->RefCLKDivider = LL_CTC_REF_CLOCK_DIV1;
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CTC_InitStruct->RefCLKPolarity = LL_CTC_REF_CLOCK_POLARITY_RISING;
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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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*/
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/**
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* @}
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*/
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#endif /* defined (CTC) */
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/**
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* @}
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*/
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#endif /* USE_FULL_LL_DRIVER */
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/************************ (C) COPYRIGHT Puya Semiconductor *****END OF FILE****/
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