211 lines
6.5 KiB
C
211 lines
6.5 KiB
C
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/**
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*******************************************************************************
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* @file hc32f4a0_ctc.h
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* @brief This file contains all the functions prototypes of the Clock Trimming
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* Controller(CTC) driver library.
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@verbatim
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Change Logs:
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Date Author Notes
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2020-09-01 Hongjh First version
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2020-10-30 Hongjh Refine CTC initialization structure
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@endverbatim
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*******************************************************************************
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* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
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*
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* This software component is licensed by HDSC 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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#ifndef __HC32F4A0_CTC_H__
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#define __HC32F4A0_CTC_H__
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/* C binding of definitions if building with C++ compiler */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32_common.h"
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#include "ddl_config.h"
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/**
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* @addtogroup HC32F4A0_DDL_Driver
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* @{
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*/
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/**
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* @addtogroup DDL_CTC
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* @{
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*/
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#if (DDL_CTC_ENABLE == DDL_ON)
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/*******************************************************************************
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* Global type definitions ('typedef')
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******************************************************************************/
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/**
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* @defgroup CTC_Global_Types CTC Global Types
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* @{
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*/
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/**
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* @brief CTC initialization structure definition
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*/
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typedef struct
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{
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uint32_t u32RefClockFreq; /*!< Reference clock frequency
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This parameter should refer user manual recommended values */
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uint32_t u32RefClockSrc; /*!< Reference clock source selection
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This parameter can be a value of @ref CTC_Reference_Clock_Source */
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uint32_t u32RefClockDiv; /*!< Reference clock division
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This parameter can be a value of @ref CTC_Reference_Clock_Division */
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float32_t f32ToleranceDeviation; /*!< CTC Tolerance bias.
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This parameter can be a value between Min_Data=0.0 and Max_Data=1.0(100%) */
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uint32_t u32TrimValue; /*!< CTC TRMVAL value
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This parameter can be a value between Min_Data=0 and Max_Data=0x3F */
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} stc_ctc_init_t;
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/**
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* @}
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*/
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/*******************************************************************************
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* Global pre-processor symbols/macros ('#define')
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******************************************************************************/
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/**
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* @defgroup CTC_Global_Macros CTC Global Macros
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* @{
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*/
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/**
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* @defgroup CTC_Reference_Clock_Source CTC Reference Clock Source
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* @{
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*/
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#define CTC_REF_CLK_CTCREF (0UL) /*!< Clock source: CTCREF */
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#define CTC_REF_CLK_XTAL32 (CTC_CR1_REFCKS_1) /*!< Clock source: XTAL32 */
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#define CTC_REF_CLK_XTAL (CTC_CR1_REFCKS) /*!< Clock source: XTAL */
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/**
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* @}
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*/
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/**
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* @defgroup CTC_Tolerance_Deviation_Max CTC Tolerance Deviation Max
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* @{
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*/
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#define CTC_TOLERANCE_DEVIATION_MAX (1.0F)
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/**
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* @}
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*/
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/**
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* @defgroup CTC_Flag CTC Flag
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* @{
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*/
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#define CTC_FLAG_TRIM_OK (CTC_STR_TRIMOK) /*!< Trimming OK flag */
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#define CTC_FLAG_TRIM_OVF (CTC_STR_TRMOVF) /*!< Trimming overflow flag */
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#define CTC_FLAG_TRIM_UDF (CTC_STR_TRMUDF) /*!< Trimming underflow flag */
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#define CTC_FLAG_BUSY (CTC_STR_CTCBSY) /*!< CTC busy flag */
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#define CTC_FLAG_ALL (CTC_FLAG_TRIM_OK | \
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CTC_FLAG_TRIM_OVF | \
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CTC_FLAG_TRIM_UDF | \
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CTC_FLAG_BUSY)
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/**
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* @}
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*/
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/**
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* @defgroup CTC_Reference_Clock_Division CTC Reference Clock Division
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* @{
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*/
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#define CTC_REF_CLK_DIV8 (0UL) /*!< REFCLK/8 */
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#define CTC_REF_CLK_DIV32 (1UL) /*!< REFCLK/32 */
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#define CTC_REF_CLK_DIV128 (2UL) /*!< REFCLK/128 */
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#define CTC_REF_CLK_DIV256 (3UL) /*!< REFCLK/256 */
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#define CTC_REF_CLK_DIV512 (4UL) /*!< REFCLK/512 */
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#define CTC_REF_CLK_DIV1024 (5UL) /*!< REFCLK/1024 */
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#define CTC_REF_CLK_DIV2048 (6UL) /*!< REFCLK/2048 */
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#define CTC_REF_CLK_DIV4096 (7UL) /*!< REFCLK/4096 */
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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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* Global variable definitions ('extern')
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******************************************************************************/
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/*******************************************************************************
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Global function prototypes (definition in C source)
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******************************************************************************/
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/**
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* @addtogroup CTC_Global_Functions
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* @{
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*/
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/**
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* @brief Start CTC trimming.
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* @param None
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* @retval None
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*/
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__STATIC_INLINE void CTC_Start(void)
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{
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WRITE_REG32(bM4_CTC->CR1_b.CTCEN, 1UL);
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}
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/**
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* @brief Stop CTC trimming.
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* @param None
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* @retval None
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*/
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__STATIC_INLINE void CTC_Stop(void)
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{
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WRITE_REG32(bM4_CTC->CR1_b.CTCEN, 0UL);
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}
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en_result_t CTC_Init(const stc_ctc_init_t *pstcCtcInit);
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en_result_t CTC_StructInit(stc_ctc_init_t *pstcCtcInit);
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en_result_t CTC_DeInit(void);
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void CTC_SetRefClockDiv(uint32_t u32Div);
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void CTC_SetRefClockSrc(uint32_t u32ClockSrc);
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void CTC_IntCmd(en_functional_state_t enNewState);
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en_flag_status_t CTC_GetStatus(uint32_t u32Flag);
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void CTC_SetTrimValue(uint32_t u32TrimValue);
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uint32_t CTC_GetTrimValue(void);
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void CTC_SetReloadValue(uint32_t u32ReloadValue);
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uint16_t CTC_GetReloadValue(void);
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void CTC_SetOffsetValue(uint32_t u32OffsetValue);
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uint32_t CTC_GetOffsetValue(void);
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/**
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* @}
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*/
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#endif /* DDL_CTC_ENABLE */
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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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#ifdef __cplusplus
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}
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#endif
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#endif /* __HC32F4A0_CTC_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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