234 lines
9.2 KiB
C
Executable File
234 lines
9.2 KiB
C
Executable File
/*******************************************************************************
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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.h
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**
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** Headerfile for PCNT functions
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** @link PCNT Group Some description @endlink
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**
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** History:
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** - 2019-04-08 First Version
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**
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******************************************************************************/
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#ifndef __PCNT_H__
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#define __PCNT_H__
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "ddl.h"
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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 PCNTGroup (PCNT)
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**
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******************************************************************************/
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//@{
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/**
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*******************************************************************************
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** function prototypes.
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******************************************************************************/
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/**
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*******************************************************************************
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** \brief PCNT S0通道极性选择
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** \note PCNT_CTRL S0P
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******************************************************************************/
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typedef enum
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{
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PcntS0PNoinvert = 0u, // S0通道极性不取反
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PcntS0PInvert = 1u // S0通道极性取反
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}en_pcnt_s0polar_t;
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/**
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*******************************************************************************
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** \brief PCNT S1通道极性选择
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** \note PCNT_CTRL S1P
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******************************************************************************/
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typedef enum
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{
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PcntS1PNoinvert = 0u, // S1通道极性不取反
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PcntS1PInvert = 1u // S1通道极性取反
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}en_pcnt_s1polar_t;
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/**
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*******************************************************************************
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** \brief PCNT 计数方向选择
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** \note PCNT_CTRL DIR
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******************************************************************************/
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typedef enum
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{
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PcntNDoubleDirAdd = 0u, // 加计数
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PcntNDoubleDirSub = 1u // 减计数
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}en_pcnt_dir_t;
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/**
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*******************************************************************************
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** \brief PCNT 计数时钟选择
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** \note PCNT_CTRL ClkSel
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******************************************************************************/
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typedef enum
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{
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PcntCLKPclk = 1u, // PCLK
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PcntCLKXtl = 2u, // XTL
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PcntCLKRcl = 3u // RCL
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}en_pcnt_clksel_t;
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/**
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*******************************************************************************
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** \brief PCNT 脉冲计数模式选择
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** \note PCNT_CTRL Mode
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******************************************************************************/
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typedef enum
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{
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PcntSingleMode = 1u, // 单通道脉冲计数模式
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PcntSpecialMode = 2u, // 双通道非正交脉冲计数模式
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PcntDoubleMode = 3u // 双通道正交脉冲计数模式
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}en_pcnt_mode_t;
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/**
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******************************************************************************
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** \brief PCNT 状态
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** \note PCNT_IFR & PCNT_ICR & PCNT_IEN
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*****************************************************************************/
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typedef enum
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{
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PcntS1E = 7, // S1通道脉冲解码错误
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PcntS0E = 6, // S0通道脉冲解码错误
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PcntBB = 5, // 脉冲解码错误
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PcntFE = 4, // 采样周期脉冲解码错误
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PcntDIR = 3, // 反向改变中断
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PcntTO = 2, // 超时中断标识
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PcntOV = 1, // 上溢中断标识
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PcntUF = 0, // 下溢中断标识
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}en_pcnt_itfce_t;
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/**
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******************************************************************************
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** \brief PCNT 状态寄存器1 PCNT_SR1
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** \note PCNT_SR1 : DIR
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*****************************************************************************/
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typedef enum
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{
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PcntDoubleDirAdd = 0, // 双通道正交脉冲加计数
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PcntDoubleDirSub = 1 // 双通道正交脉冲加计数
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}en_pcnt_sr1dir_t;
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/**
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******************************************************************************
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** \brief PCNT 观测输出选择寄存器 PCNT_DBG
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** \note PCNT_DBG: DBG
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*****************************************************************************/
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typedef enum
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{
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PcntDBGZero = 0, // 固定为0
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PcntDBGSxA = 1, // 脉冲同步之后通过S0A/S1A输出
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PcntDBGSxP = 2, // 脉冲极性选择之后通过S0P/S1P输出
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PcntDBGSxPF = 3 // 脉冲滤波之后通过S0PF/S1PF输出
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}en_pcnt_dbg_t;
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typedef enum
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{
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PcntDirUp = 0, //加计数
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PcntDirDown = 1 //减计数
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}en_pent_dir_t;
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/**
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******************************************************************************
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** \brief PCNT 整体配置结构体
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*****************************************************************************/
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typedef struct stc_pcnt_cfg
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{
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en_pcnt_s0polar_t Pcnt_S0Sel; // S0通道极性选择
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en_pcnt_s1polar_t Pcnt_S1Sel; // S1通道极性选择
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en_pcnt_clksel_t Pcnt_Clk; // 计数时钟选择
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en_pcnt_mode_t Pcnt_Mode; // 脉冲计数模式选择
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boolean_t Pcnt_FltEn; // 脉冲宽度滤波器使能控制 PCNT_FLT: EN
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uint8_t Pcnt_DebTop; // 计数器阀值 PCNT_FLT: DebTop
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uint16_t Pcnt_ClkDiv; // 滤波时钟分频系数 PCNT_FLT: ClkDiv
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boolean_t Pcnt_TocrEn; // 超时功能使能控制位 PCNT_TOCR : EN
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uint16_t Pcnt_TocrTh; // 超时阈值 PCNT_TOCR : TH
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en_pcnt_dbg_t Pcnt_Dbg; // 观测输出选择寄存器 PCNT_DBG
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en_pent_dir_t Pcnt_Dir;
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}stc_pcnt_initstruct_t;
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/******************************************************************************
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* Global variable declarations ('extern', definition in C source)
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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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extern boolean_t Pcnt_Cmd(boolean_t NewState);
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extern en_result_t Pcnt_SetB2T(uint16_t value);
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extern en_result_t Pcnt_SetB2C(uint16_t value);
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extern en_result_t Pcnt_SetT2C(void);
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extern void Pcnt_Init(stc_pcnt_initstruct_t* InitStruct);
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extern void Pcnt_ItCfg(en_pcnt_itfce_t IT_Src, boolean_t NewState);
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extern boolean_t Pcnt_GetItStatus(en_pcnt_itfce_t IT_Src);
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extern void Pcnt_ClrItStatus(en_pcnt_itfce_t IT_Src);
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extern uint16_t Pcnt_GetCnt(void);
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extern uint16_t Pcnt_GetTop(void);
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extern uint16_t Pcnt_GetBuf(void);
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extern void Pcnt_SetCnt(uint16_t value);
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extern void Pcnt_SetBuf(uint16_t value);
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extern void Pcnt_SetTop(uint16_t value);
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//@} // PCNT Group
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#ifdef __cplusplus
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#endif
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#endif /* __PCNT_H__ */
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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