317 lines
10 KiB
C
317 lines
10 KiB
C
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/******************************************************************************
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* Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file pcnt.c
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**
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** pcnt driver API.
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** @link pcnt Group Some description @endlink
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**
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** - 2019-04-08 First Version
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**
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******************************************************************************/
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/******************************************************************************
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* Include files
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******************************************************************************/
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#include "pcnt.h"
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/**
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******************************************************************************
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** \addtogroup PCNTGroup
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******************************************************************************/
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//@{
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/******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/**
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******************************************************************************
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** \brief PCNT的启动和停止控制
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** @param NewState : Run_Enable 或者 Run_Disable
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** @param NewState : FALSE或者TRUE
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** \retval 无
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**
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******************************************************************************/
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boolean_t Pcnt_Cmd(boolean_t NewState)
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{
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SetBit((uint32_t)(&(M0P_PCNT->RUN)), 0, NewState);
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return GetBit((uint32_t)(&(M0P_PCNT->RUN)), 0);
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}
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/**
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******************************************************************************
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** \brief 将BUF中的值同步到CNT
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** @param value : 要同步到TOP的数值
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** \retval ok 或 ErrorTimeout
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**
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******************************************************************************/
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en_result_t Pcnt_SetB2T(uint16_t value)
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{
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uint16_t u16TimeOut;
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u16TimeOut = 1000;
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M0P_PCNT->BUF = value;
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M0P_PCNT->CMD_f.B2T = 1;
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while(u16TimeOut--)
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{
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if(M0P_PCNT->SR2_f.B2T == FALSE)
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{
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break;
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}
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}
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if(u16TimeOut == 0)
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{
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return ErrorTimeout;
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}
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return Ok;
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}
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/**
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******************************************************************************
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** \brief 将BUF中的值同步到CNT
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** @param value : 要同步到CNT的数值
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** \retval ok 或 ErrorTimeout
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**
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******************************************************************************/
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en_result_t Pcnt_SetB2C(uint16_t value)
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{
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uint16_t u16TimeOut;
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u16TimeOut = 1000;
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M0P_PCNT->BUF = value;
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M0P_PCNT->CMD_f.B2C = 1;
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while(u16TimeOut--)
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{
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if(M0P_PCNT->SR2_f.B2C == FALSE)
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{
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break;
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}
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}
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if(u16TimeOut == 0)
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{
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return ErrorTimeout;
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}
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return Ok;
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}
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/**
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******************************************************************************
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** \brief 将TOP中的值同步到CNT
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** @param value : 要同步到CNT的数值
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** \retval ok 或 ErrorTimeout
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**
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******************************************************************************/
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en_result_t Pcnt_SetT2C(void)
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{
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uint16_t u16TimeOut;
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u16TimeOut = 1000;
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M0P_PCNT->CMD_f.T2C = 1;
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while(u16TimeOut--)
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{
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if(M0P_PCNT->SR2_f.T2C == FALSE)
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{
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break;
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}
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}
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if(u16TimeOut == 0)
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{
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return ErrorTimeout;
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}
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return Ok;
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}
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/**
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******************************************************************************
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** \brief 赋值BUF
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** @param value : 要赋值给BUF的数值
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** \retval 无
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**
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******************************************************************************/
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void Pcnt_SetBuf(uint16_t value)
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{
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M0P_PCNT->TOP_f.TOP = value;
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}
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/**
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******************************************************************************
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** \brief 初始化
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** @param start : 要同步到TOP的数值
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** @param end : 要同步到CNT的数值
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** \retval ok 或 ErrorTimeout
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**
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******************************************************************************/
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void Pcnt_Init(stc_pcnt_initstruct_t* InitStruct)
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{
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M0P_PCNT->CTRL_f.S1P = InitStruct->Pcnt_S1Sel;
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M0P_PCNT->CTRL_f.S0P = InitStruct->Pcnt_S0Sel;
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M0P_PCNT->CTRL_f.CLKSEL = InitStruct->Pcnt_Clk;
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M0P_PCNT->CTRL_f.MODE = InitStruct->Pcnt_Mode;
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if(InitStruct->Pcnt_Mode == PcntDoubleMode)//如果是双通道正交脉冲计数模式
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{
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M0P_PCNT->SR1_f.DIR = InitStruct->Pcnt_Dir;
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}
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else
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{
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M0P_PCNT->CTRL_f.DIR = InitStruct->Pcnt_Dir;
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}
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M0P_PCNT->FLT_f.EN = InitStruct->Pcnt_FltEn;
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M0P_PCNT->FLT_f.DEBTOP = InitStruct->Pcnt_DebTop;
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M0P_PCNT->FLT_f.CLKDIV = InitStruct->Pcnt_ClkDiv;
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M0P_PCNT->TOCR_f.EN = InitStruct->Pcnt_TocrEn;
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M0P_PCNT->TOCR_f.TH = InitStruct->Pcnt_TocrTh;
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M0P_PCNT->DBG_f.DBG = InitStruct->Pcnt_Dbg;
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}
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/**
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******************************************************************************
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** \brief 配置中断源的使能
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** @param IT_Src : 中断源再PCNT_IEN内部的位位置
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** @param NewState : FALSE 或TRUE
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** \retval 无
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**
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******************************************************************************/
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void Pcnt_ItCfg(en_pcnt_itfce_t IT_Src, boolean_t NewState)
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{
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if(NewState == TRUE)
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{
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M0P_PCNT->IEN |= (uint32_t)(1<<IT_Src);
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}
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else if(NewState == FALSE)
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{
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M0P_PCNT->IEN &= ~(uint32_t)(1<<IT_Src);
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}
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else
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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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** \brief 获取中断源的标志位
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** @param IT_Src : 中断源标志位
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** \retval FALSE 或TRUE
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**
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******************************************************************************/
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boolean_t Pcnt_GetItStatus(en_pcnt_itfce_t IT_Src)
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{
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return ((M0P_PCNT->IFR >> IT_Src) & 1u) > 0 ? TRUE : FALSE;
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}
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/**
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******************************************************************************
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** \brief 清除中断源的标志位
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** @param IT_Src : 中断源标志位
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** \retval 无
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**
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******************************************************************************/
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void Pcnt_ClrItStatus(en_pcnt_itfce_t IT_Src)
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{
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M0P_PCNT->ICR &= ~(uint32_t)(1<<(uint32_t)IT_Src);
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}
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/**
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******************************************************************************
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** \brief 获取PCNT_CNT寄存器的数值
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** @param 无
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** \retval PCNT_CNT数值
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**
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******************************************************************************/
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uint16_t Pcnt_GetCnt(void)
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{
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return (uint16_t)(M0P_PCNT->CNT);
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}
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/**
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******************************************************************************
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** \brief 获取PCNT_TOP寄存器的数值
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** @param 无
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** \retval PCNT_TOP数值
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**
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******************************************************************************/
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uint16_t Pcnt_GetTop(void)
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{
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return (uint16_t)(M0P_PCNT->TOP);
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}
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/**
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******************************************************************************
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** \brief 获取PCNT_BUF寄存器的数值
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** @param 无
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** \retval PCNT_BUF数值
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**
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******************************************************************************/
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uint16_t Pcnt_GetBuf(void)
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{
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return (uint16_t)(M0P_PCNT->BUF);
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}
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//@} // Group
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/******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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