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/******************************************************************************
* Copyright (C) 2017, 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.c
**
** pcnt driver API.
** @link pcnt Group Some description @endlink
**
** - 2018-04-15 Devi First Version
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "pcnt.h"
/**
******************************************************************************
** \addtogroup PCNTGroup
******************************************************************************/
//@{
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define IS_VALID_pagagain(x) ( (x) <= 7 )
#define IS_VALID_channel(x) ( (OPA0 == (x)) ||\
(OPA1 == (x)) ||\
(OPA2 == (x)) )
#define IS_VALID_STAT(x) ( (PCNT_S1E == (x)) ||\
(PCNT_S0E == (x)) ||\
(PCNT_BB == (x)) ||\
(PCNT_FE == (x)) ||\
(PCNT_DIR == (x)) ||\
(PCNT_TO == (x)) ||\
(PCNT_OV == (x)) ||\
(PCNT_UF == (x)) )
/******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
static func_ptr_t pfnPcntCallback = NULL; ///< callback function pointer for PCNT Irq
/******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*****************************************************************************
* Function implementation - global ('extern') and local ('static')
*****************************************************************************/
void Pcnt_IRQHandler(void)
{
if(NULL != pfnPcntCallback)
{
pfnPcntCallback();
}
}
/**
* \brief
* PCNT 初始化
*
* \param 无
* \param 无
*
* \retval 无
* \retval 无
*/
en_result_t PCNT_Init(stc_pcnt_config_t* pstcPcntConfig)
{
M0P_SYSCTRL->PERI_CLKEN_f.PCNT = 1;
M0P_PCNT->CR_f.S1P = pstcPcntConfig->bS1Sel;
M0P_PCNT->CR_f.S0P = pstcPcntConfig->bS0Sel;
M0P_PCNT->CR_f.DIR = pstcPcntConfig->u8Direc; //计数方式
M0P_PCNT->CR_f.CLKSEL = pstcPcntConfig->u8Clk;
M0P_PCNT->CR_f.MODE = pstcPcntConfig->u8Mode;
M0P_PCNT->FLT_f.CLKDIV = pstcPcntConfig->u8FLTClk;
if(pstcPcntConfig->bFLTEn)
{
if(pstcPcntConfig->u8FLTDep == 0)
{
M0P_PCNT->FLT_f.DEBTOP = 2;
}
else
{
M0P_PCNT->FLT_f.DEBTOP = pstcPcntConfig->u8FLTDep;
}
}
M0P_PCNT->FLT_f.EN = pstcPcntConfig->bFLTEn;
M0P_PCNT->TOCR_f.TH = pstcPcntConfig->u16TODep;
M0P_PCNT->TOCR_f.EN = pstcPcntConfig->bTOEn;
if (TRUE == pstcPcntConfig->bIrqEn)
{
M0P_PCNT->IEN = pstcPcntConfig->u8IrqStatus;
EnableNvic(PCNT_IRQn,IrqLevel3,TRUE);
}
else
{
M0P_PCNT->IEN = 0x00;
EnableNvic(PCNT_IRQn,IrqLevel3,FALSE);
}
if(NULL != pstcPcntConfig->pfnIrqCb)
{
pfnPcntCallback = pstcPcntConfig->pfnIrqCb;
}
return Ok;
}
/**
* \brief
* PCNT 去初始化
*
* \param 无
* \param 无
*
* \retval 无
* \retval 无
*/
void PCNT_DeInit(void)
{
M0P_PCNT->CR = 0;
M0P_PCNT->RUN = 0;
M0P_SYSCTRL->PERI_CLKEN_f.PCNT = 0;
}
/**
* \brief
* PCNT 脉冲计数设置
*
* \param [in] start 开始计数设置
* \param [in] end 结束计数设置
*
* \retval 无
*/
en_result_t PCNT_Parameter(uint8_t start,uint8_t end)
{
uint32_t u32TimeOut;
u32TimeOut = 1000;
M0P_PCNT->BUF = end; //加载结束溢出值
M0P_PCNT->CMD_f.B2T = 1;
while(u32TimeOut--)
{
if(FALSE == M0P_PCNT->SR2_f.B2T)
{
break;
}
}
if(u32TimeOut == 0)
{
return ErrorTimeout;
}
u32TimeOut = 1000;
M0P_PCNT->BUF = start; //加载初始值
M0P_PCNT->CMD_f.B2C = 1;
while(u32TimeOut--)
{
if(FALSE == M0P_PCNT->SR2_f.B2C)
{
break;
}
}
if(u32TimeOut == 0)
{
return ErrorTimeout;
}
return Ok;
}
/**
* \brief
* 获取PCNT计数方向
* \param [in]
*
* \retval 无
*/
en_pcnt_direcsel_t PCNT_Direction(void)
{
return (en_pcnt_direcsel_t)M0P_PCNT->SR1_f.DIR;
}
/**
* \brief
* 获取PCNT计数值
* \param [in]
*
* \retval 无
*/
uint16_t PCNT_Count(void)
{
return M0P_PCNT->CNT;
}
/**
* \brief
* 获取PCNT溢出值
* \param [in]
*
* \retval 无
*/
uint16_t PCNT_TopCount(void)
{
return M0P_PCNT->TOP;
}
/**
* \brief
* PCNT使能
* \param [in]
*
* \retval 无
*/
void PCNT_Run(boolean_t work)
{
M0P_PCNT->RUN_f.RUN = work;
}
/**
* \brief
* PCNT 读取状态
* \param [in] en_pcnt_status_t PCNT状态
*
* \retval 无
*/
boolean_t PCNT_GetStatus(en_pcnt_status_t enStatus)
{
boolean_t bFlag = FALSE;
ASSERT(IS_VALID_STAT(enStatus));
switch (enStatus)
{
case PCNT_S1E:
bFlag = M0P_PCNT->IFR_f.S1E;
break;
case PCNT_S0E:
bFlag = M0P_PCNT->IFR_f.S0E;
break;
case PCNT_BB:
bFlag = M0P_PCNT->IFR_f.BB;
break;
case PCNT_FE:
bFlag = M0P_PCNT->IFR_f.FE;
break;
case PCNT_DIR:
bFlag = M0P_PCNT->IFR_f.DIR;
break;
case PCNT_TO:
bFlag = M0P_PCNT->IFR_f.TO;
break;
case PCNT_OV:
bFlag = M0P_PCNT->IFR_f.OV;
break;
case PCNT_UF:
bFlag = M0P_PCNT->IFR_f.UF;
break;
default:
break;
}
return bFlag;
}
/**
* \brief
* PCNT 清除状态
* \param [in] en_pcnt_status_t PCNT状态
*
* \retval 无
*/
void PCNT_ClrStatus(en_pcnt_status_t enStatus)
{
ASSERT(IS_VALID_STAT(enStatus));
switch (enStatus)
{
case PCNT_S1E:
M0P_PCNT->ICR_f.S1E = 0;
break;
case PCNT_S0E:
M0P_PCNT->ICR_f.S0E = 0;
break;
case PCNT_BB:
M0P_PCNT->ICR_f.BB = 0;
break;
case PCNT_FE:
M0P_PCNT->ICR_f.FE = 0;
break;
case PCNT_DIR:
M0P_PCNT->ICR_f.DIR = 0;
break;
case PCNT_TO:
M0P_PCNT->ICR_f.TO = 0;
break;
case PCNT_OV:
M0P_PCNT->ICR_f.OV = 0;
break;
case PCNT_UF:
M0P_PCNT->ICR_f.UF = 0;
break;
default:
break;
}
}
/**
* \brief
* PCNT 中断设置
* \param [in] en_pcnt_status_t PCNT状态
*
* \retval 无
*/
void PCNT_SetIrqStatus(en_pcnt_status_t enStatus)
{
ASSERT(IS_VALID_STAT(enStatus));
switch (enStatus)
{
case PCNT_S1E:
M0P_PCNT->IEN_f.S1E = 1;
break;
case PCNT_S0E:
M0P_PCNT->IEN_f.S0E = 1;
break;
case PCNT_BB:
M0P_PCNT->IEN_f.BB = 1;
break;
case PCNT_FE:
M0P_PCNT->IEN_f.FE = 1;
break;
case PCNT_DIR:
M0P_PCNT->IEN_f.DIR = 1;
break;
case PCNT_TO:
M0P_PCNT->IEN_f.TO = 1;
break;
case PCNT_OV:
M0P_PCNT->IEN_f.OV = 1;
break;
case PCNT_UF:
M0P_PCNT->IEN_f.UF = 1;
break;
default:
break;
}
}
//@} // OPAGroup
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
