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- /*******************************************************************************
- * 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)
- ******************************************************************************/
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