215 lines
8.1 KiB
C
215 lines
8.1 KiB
C
|
/*******************************************************************************
|
||
|
|
* Copyright (C) 2018, Huada Semiconductor Co.,Ltd All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is owned and published by:
|
||
|
|
* Huada Semiconductor Co.,Ltd ("HDSC").
|
||
|
|
*
|
||
|
|
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
|
||
|
|
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
|
||
|
|
*
|
||
|
|
* This software contains source code for use with HDSC
|
||
|
|
* components. This software is licensed by HDSC to be adapted only
|
||
|
|
* for use in systems utilizing HDSC components. HDSC shall not be
|
||
|
|
* responsible for misuse or illegal use of this software for devices not
|
||
|
|
* supported herein. HDSC is providing this software "AS IS" and will
|
||
|
|
* not be responsible for issues arising from incorrect user implementation
|
||
|
|
* of the software.
|
||
|
|
*
|
||
|
|
* Disclaimer:
|
||
|
|
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
|
||
|
|
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
|
||
|
|
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
|
||
|
|
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
|
||
|
|
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
|
||
|
|
* WARRANTY OF NONINFRINGEMENT.
|
||
|
|
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
|
||
|
|
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
|
||
|
|
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
|
||
|
|
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
|
||
|
|
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
|
||
|
|
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
|
||
|
|
* SAVINGS OR PROFITS,
|
||
|
|
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
||
|
|
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
|
||
|
|
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
|
||
|
|
* FROM, THE SOFTWARE.
|
||
|
|
*
|
||
|
|
* This software may be replicated in part or whole for the licensed use,
|
||
|
|
* with the restriction that this Disclaimer and Copyright notice must be
|
||
|
|
* included with each copy of this software, whether used in part or whole,
|
||
|
|
* at all times.
|
||
|
|
*/
|
||
|
|
/******************************************************************************/
|
||
|
|
/** \file pcnt.h
|
||
|
|
**
|
||
|
|
** Headerfile for PCNT functions
|
||
|
|
** @link PCNT Group Some description @endlink
|
||
|
|
**
|
||
|
|
** History:
|
||
|
|
** - 2018-04-15 Devi First Version
|
||
|
|
**
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#ifndef __PCNT_H__
|
||
|
|
#define __PCNT_H__
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Include files
|
||
|
|
******************************************************************************/
|
||
|
|
#include "ddl.h"
|
||
|
|
#include "interrupts_hc32l136.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \defgroup PCNTGroup (PCNT)
|
||
|
|
**
|
||
|
|
******************************************************************************/
|
||
|
|
//@{
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** function prototypes.
|
||
|
|
******************************************************************************/
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \brief PCNT S1通道极性选择
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_pcnt_s1sel
|
||
|
|
{
|
||
|
|
S1P_Noinvert = 0u, ///<<S1通道极性不取反
|
||
|
|
S1P_Invert = 1u, ///<<S1通道极性取反
|
||
|
|
}en_pcnt_s1sel_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \brief PCNT S0通道极性选择
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_pcnt_s0sel
|
||
|
|
{
|
||
|
|
S0P_Noinvert = 0u, ///<<S0通道极性不取反
|
||
|
|
S0P_Invert = 1u, ///<<S0通道极性取反
|
||
|
|
}en_pcnt_s0sel_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \brief PCNT 计数方向选择
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_pcnt_direcsel
|
||
|
|
{
|
||
|
|
Direct_Add = 0u, ///<<加计数
|
||
|
|
Direct_Sub = 1u, ///<<减计数
|
||
|
|
}en_pcnt_direcsel_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \brief PCNT 计数时钟选择
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_pcnt_clksel
|
||
|
|
{
|
||
|
|
CLK_Pclk = 1u, ///<<PCLK
|
||
|
|
CLK_Xtl = 2u, ///<<XTL
|
||
|
|
CLK_Rcl = 3u, ///<<RCL
|
||
|
|
}en_pcnt_clksel_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \brief PCNT 脉冲计数模式选择
|
||
|
|
** \note
|
||
|
|
******************************************************************************/
|
||
|
|
typedef enum en_pcnt_modesel
|
||
|
|
{
|
||
|
|
Single_Mode = 1u, ///<<单通道脉冲计数模式
|
||
|
|
Special_Mode = 2u, ///<<双通道非正交脉冲计数模式
|
||
|
|
Double_Mode = 3u, ///<<双通道正交脉冲计数模式
|
||
|
|
}en_pcnt_modesel_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief PCNT 状态
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef enum en_pcnt_status
|
||
|
|
{
|
||
|
|
PCNT_S1E = 0x80, ///<S1通道脉冲解码错误
|
||
|
|
PCNT_S0E = 0x40, ///<S0通道脉冲解码错误
|
||
|
|
PCNT_BB = 0x20, ///<脉冲解码错误
|
||
|
|
PCNT_FE = 0x10, ///<采样周期脉冲解码错误
|
||
|
|
PCNT_DIR = 0x08, ///<反向改变中断
|
||
|
|
PCNT_TO = 0x04, ///<超时中断标识
|
||
|
|
PCNT_OV = 0x02, ///<上溢中断标识
|
||
|
|
PCNT_UF = 0x01, ///<下溢中断标识
|
||
|
|
}en_pcnt_status_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief PCNT 整体配置结构体
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef struct stc_pcnt_config
|
||
|
|
{
|
||
|
|
en_pcnt_s1sel_t bS1Sel; ///< S1通道极性选择
|
||
|
|
en_pcnt_s0sel_t bS0Sel; ///< S0通道极性选择
|
||
|
|
en_pcnt_direcsel_t u8Direc; ///< 计数方向选择
|
||
|
|
en_pcnt_clksel_t u8Clk; ///< 计数时钟选择
|
||
|
|
en_pcnt_modesel_t u8Mode; ///< 脉冲计数模式选择
|
||
|
|
boolean_t bFLTEn; ///< 滤波控制使能
|
||
|
|
uint8_t u8FLTDep; ///< 滤波阀值
|
||
|
|
uint8_t u8FLTClk; ///< 滤波时钟
|
||
|
|
boolean_t bTOEn; ///< 超时使能
|
||
|
|
uint16_t u16TODep; ///< 超时阀值
|
||
|
|
uint8_t u8IrqStatus; ///< 中断方式
|
||
|
|
boolean_t bIrqEn; ///< 中断使能
|
||
|
|
func_ptr_t pfnIrqCb; ///< 中断回调函数
|
||
|
|
}stc_pcnt_config_t;
|
||
|
|
|
||
|
|
//PCNT 中断
|
||
|
|
void Pcnt_IRQHandler(void);
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Global variable declarations ('extern', definition in C source)
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
* Global function prototypes (definition in C source)
|
||
|
|
******************************************************************************/
|
||
|
|
///< PCNT初始化
|
||
|
|
en_result_t PCNT_Init(stc_pcnt_config_t* pstcPcntConfig);
|
||
|
|
///< PCNT去初始化
|
||
|
|
void PCNT_DeInit(void);
|
||
|
|
///< PCNT 参数设置
|
||
|
|
en_result_t PCNT_Parameter(uint8_t start,uint8_t end);
|
||
|
|
///< PCNT 读取PCNT 方向
|
||
|
|
en_pcnt_direcsel_t PCNT_Direction(void);
|
||
|
|
///< PCNT 读取PCNT 计数值
|
||
|
|
uint16_t PCNT_Count(void);
|
||
|
|
///< PCNT 读取PCNT 溢出值
|
||
|
|
uint16_t PCNT_TopCount(void);
|
||
|
|
///< PCNT 设置PCNT
|
||
|
|
void PCNT_Run(boolean_t work);
|
||
|
|
///< PCNT获取状态
|
||
|
|
boolean_t PCNT_GetStatus(en_pcnt_status_t enStatus);
|
||
|
|
///< PCNT清除状态
|
||
|
|
void PCNT_ClrStatus(en_pcnt_status_t enStatus);
|
||
|
|
///< PCNT设置中断
|
||
|
|
void PCNT_SetIrqStatus(en_pcnt_status_t enStatus);
|
||
|
|
|
||
|
|
|
||
|
|
//@} // PCNT Group
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __PCNT_H__ */
|
||
|
|
/*******************************************************************************
|
||
|
|
* EOF (not truncated)
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
|