217 lines
9.8 KiB
C
217 lines
9.8 KiB
C
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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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/** \file hc32f460_dcu.h
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**
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** A detailed description is available at
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** @link DcuGroup DCU description @endlink
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**
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** - 2018-10-15 CDT First version for Device Driver Library of DCU.
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**
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******************************************************************************/
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#ifndef __HC32F460_DCU_H__
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#define __HC32F460_DCU_H__
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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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#if (DDL_DCU_ENABLE == DDL_ON)
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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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*******************************************************************************
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** \defgroup DcuGroup Data Computing Unit(DCU)
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**
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Global type definitions ('typedef')
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief DCU register data enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_data_register
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{
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DcuRegisterData0 = 0u, ///< DCU DATA0
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DcuRegisterData1 = 1u, ///< DCU DATA1
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DcuRegisterData2 = 2u, ///< DCU DATA2
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} en_dcu_data_register_t;
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/**
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*******************************************************************************
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** \brief DCU operation enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_operation_mode
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{
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DcuInvalid = 0u, ///< DCU Invalid
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DcuOpAdd = 1u, ///< DCU operation: Add
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DcuOpSub = 2u, ///< DCU operation: Sub
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DcuHwTrigOpAdd = 3u, ///< DCU operation: Hardware trigger Add
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DcuHwTrigOpSub = 4u, ///< DCU operation: Hardware trigger Sub
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DcuOpCompare = 5u, ///< DCU operation: Compare
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} en_dcu_operation_mode_t;
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/**
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*******************************************************************************
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** \brief DCU data size enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_data_size
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{
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DcuDataBit8 = 0u, ///< DCU data size: 8 bit
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DcuDataBit16 = 1u, ///< DCU data size: 16 bit
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DcuDataBit32 = 2u, ///< DCU data size: 32 bit
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} en_dcu_data_size_t;
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/**
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*******************************************************************************
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** \brief DCU compare operation trigger mode enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_cmp_trigger_mode
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{
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DcuCmpTrigbyData0 = 0u, ///< DCU compare triggered by DATA0
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DcuCmpTrigbyData012 = 1u, ///< DCU compare triggered by DATA0 or DATA1 or DATA2
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} en_dcu_cmp_trigger_mode_t;
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/**
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*******************************************************************************
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** \brief DCU interrupt selection enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_int_sel
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{
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DcuIntOp = (1ul << 0), ///< DCU overflow or underflow interrupt
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DcuIntLs2 = (1ul << 1), ///< DCU DATA0 < DATA2 interrupt
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DcuIntEq2 = (1ul << 2), ///< DCU DATA0 = DATA2 interrupt
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DcuIntGt2 = (1ul << 3), ///< DCU DATA0 > DATA2 interrupt
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DcuIntLs1 = (1ul << 4), ///< DCU DATA0 < DATA1 interrupt
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DcuIntEq1 = (1ul << 5), ///< DCU DATA0 = DATA1 interrupt
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DcuIntGt1 = (1ul << 6), ///< DCU DATA0 > DATA1 interrupt
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} en_dcu_int_sel_t, en_dcu_flag_t;
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/**
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*******************************************************************************
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** \brief DCU window interrupt mode enumeration
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**
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******************************************************************************/
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typedef enum en_dcu_int_win_mode
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{
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DcuIntInvalid = 0u, ///< DCU don't occur interrupt
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DcuWinIntInvalid = 1u, ///< DCU window interrupt is invalid.
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DcuInsideWinCmpInt = 2u, ///< DCU occur interrupt when DATA2 ≤ DATA0 ≤ DATA2
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DcuOutsideWinCmpInt = 3u, ///< DCU occur interrupt when DATA0 > DATA1 or DATA0 < DATA2
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} en_dcu_int_win_mode_t;
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/* DCU common trigger source select */
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typedef enum en_dcu_com_trigger
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{
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DcuComTrigger_1 = 1u, ///< Select common trigger 1.
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DcuComTrigger_2 = 2u, ///< Select common trigger 2.
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DcuComTrigger_1_2 = 3u, ///< Select common trigger 1 and 2.
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} en_dcu_com_trigger_t;
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/**
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*******************************************************************************
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** \brief DCU initialization configuration
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**
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******************************************************************************/
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typedef struct stc_dcu_init
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{
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uint32_t u32IntSel; ///< Specifies interrupt selection and This parameter can be a value of @ref en_dcu_int_sel_t
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en_functional_state_t enIntCmd; ///< Select DCU interrupt function. Enable:Enable DCU interrupt function; Disable:Disable DCU interrupt function
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en_dcu_int_win_mode_t enIntWinMode; ///< Specifies interrupt window mode and This parameter can be a value of @ref en_dcu_int_win_mode_t
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en_dcu_data_size_t enDataSize; ///< Specifies DCU data size and This parameter can be a value of @ref en_dcu_data_size_t
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en_dcu_operation_mode_t enOperation; ///< Specifies DCU operation and This parameter can be a value of @ref en_dcu_operation_mode_t
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en_dcu_cmp_trigger_mode_t enCmpTriggerMode; ///< Specifies DCU compare operation trigger mode size and This parameter can be a value of @ref en_dcu_cmp_trigger_mode_t
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} stc_dcu_init_t;
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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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* 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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en_result_t DCU_Init(M4_DCU_TypeDef *DCUx, const stc_dcu_init_t *pstcInitCfg);
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en_result_t DCU_DeInit(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_SetOperationMode(M4_DCU_TypeDef *DCUx,
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en_dcu_operation_mode_t enMode);
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en_dcu_operation_mode_t DCU_GetOperationMode(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_SetDataSize(M4_DCU_TypeDef *DCUx, en_dcu_data_size_t enSize);
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en_dcu_data_size_t DCU_GetDataSize(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_SetIntWinMode(M4_DCU_TypeDef *DCUx,
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en_dcu_int_win_mode_t enIntWinMode);
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en_dcu_int_win_mode_t DCU_GetIntWinMode(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_SetCmpTriggerMode(M4_DCU_TypeDef *DCUx,
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en_dcu_cmp_trigger_mode_t enTriggerMode);
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en_dcu_cmp_trigger_mode_t DCU_GetCmpTriggerMode(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_EnableInterrupt(M4_DCU_TypeDef *DCUx);
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en_result_t DCU_DisableInterrupt(M4_DCU_TypeDef *DCUx);
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en_flag_status_t DCU_GetIrqFlag(M4_DCU_TypeDef *DCUx, en_dcu_flag_t enFlag);
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en_result_t DCU_ClearIrqFlag(M4_DCU_TypeDef *DCUx, en_dcu_flag_t enFlag);
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en_result_t DCU_IrqSelCmd(M4_DCU_TypeDef *DCUx,
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en_dcu_int_sel_t enIntSel,
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en_functional_state_t enCmd);
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uint8_t DCU_ReadDataByte(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg);
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en_result_t DCU_WriteDataByte(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg, uint8_t u8Data);
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uint16_t DCU_ReadDataHalfWord(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg);
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en_result_t DCU_WriteDataHalfWord(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg,
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uint16_t u16Data);
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uint32_t DCU_ReadDataWord(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg);
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en_result_t DCU_WriteDataWord(M4_DCU_TypeDef *DCUx,
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en_dcu_data_register_t enDataReg,
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uint32_t u32Data);
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en_result_t DCU_SetTriggerSrc(M4_DCU_TypeDef *DCUx,
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en_event_src_t enTriggerSrc);
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void DCU_ComTriggerCmd(M4_DCU_TypeDef *DCUx,
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en_dcu_com_trigger_t enComTrigger,
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en_functional_state_t enState);
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//@} // DcuGroup
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#ifdef __cplusplus
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}
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#endif
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#endif /* DDL_DCU_ENABLE */
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#endif /* __HC32F460_DCU_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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