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rt-thread-official/bsp/hc32l196/Libraries/HC32L196_StdPeriph_Driver/src/hc32l196_vc.c

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/******************************************************************************
* Copyright (C) 2019, 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 vc.c
**
** voltage comparator driver API.
** @link VC Group Some description @endlink
**
** - 2019-04-10 First Version
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "hc32l196_vc.h"
/**
******************************************************************************
** \addtogroup VcGroup
******************************************************************************/
//@{
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*****************************************************************************
* Function implementation - global ('extern') and local ('static')
*****************************************************************************/
/**
******************************************************************************
** \brief 配置VC中断触发方式
**
** @param Channelx : VcChannelx x=0、1、2
** @param enSel : VcIrqRise、VcIrqFall、VcIrqHigh
** \retval 无
**
******************************************************************************/
void Vc_CfgItType(en_vc_channel_t Channelx, en_vc_irq_sel_t ItType)
{
stc_vc_vc0_cr_field_t *stcVcnCr;
switch(Channelx)
{
case VcChannel0:
stcVcnCr = (stc_vc_vc0_cr_field_t*)&M0P_VC->VC0_CR_f;
break;
case VcChannel1:
stcVcnCr = (stc_vc_vc0_cr_field_t*)&M0P_VC->VC1_CR_f;
break;
case VcChannel2:
stcVcnCr = (stc_vc_vc0_cr_field_t*)&M0P_VC->VC2_CR_f;
break;
default:
break;
}
switch (ItType)
{
case VcIrqNone:
stcVcnCr->RISING = 0u;
stcVcnCr->FALLING = 0u;
stcVcnCr->LEVEL = 0u;
break;
case VcIrqRise:
stcVcnCr->RISING = 1u;
break;
case VcIrqFall:
stcVcnCr->FALLING = 1u;
break;
case VcIrqHigh:
stcVcnCr->LEVEL = 1u;
break;
default:
break;
}
}
/**
******************************************************************************
** \brief VC 中断使能与禁止
**
** @param Channelx : VcChannelx x=0、1、2
** @param NewStatus : TRUE 或 FALSE
** \retval 无
**
******************************************************************************/
void Vc_ItCfg(en_vc_channel_t Channelx, boolean_t NewStatus)
{
switch(Channelx)
{
case VcChannel0:
SetBit((uint32_t)(&(M0P_VC->VC0_CR)), 15, NewStatus);
break;
case VcChannel1:
SetBit((uint32_t)(&(M0P_VC->VC1_CR)), 15, NewStatus);
break;
case VcChannel2:
SetBit((uint32_t)(&(M0P_VC->VC2_CR)), 15, NewStatus);
break;
default:
break;
}
}
/**
******************************************************************************
** \brief VC 比较结果获取，包含中断标志位和滤波结果
**
** @param Result : 所要读取的结果
** \retval TRUE 或 FALSE
**
******************************************************************************/
boolean_t Vc_GetItStatus(en_vc_ifr_t Result)
{
boolean_t bFlag;
bFlag = GetBit((uint32_t)(&(M0P_VC->IFR)), Result);
return bFlag;
}
/**
******************************************************************************
** \brief VC 清除中断标志位
**
** @param NewStatus : Vc0_Intf、Vc1_Intf、Vc2_Intf
** \retval 无
**
******************************************************************************/
void Vc_ClearItStatus(en_vc_ifr_t NewStatus)
{
SetBit((uint32_t)(&(M0P_VC->IFR)), NewStatus, 0);
}
/**
******************************************************************************
** \brief VC 配置DAC相关的内容 VC_CR中 VC_REF2P5_SEL VC_DIV_EN VC_DIV
**
** @param pstcDacCfg :
** \retval Ok 或 ErrorInvalidParameter
**
******************************************************************************/
en_result_t Vc_DacInit(stc_vc_dac_cfg_t *pstcDacCfg)
{
if (NULL == pstcDacCfg)
{
return ErrorInvalidParameter;
}
M0P_VC->CR_f.DIV_EN = pstcDacCfg->bDivEn;
M0P_VC->CR_f.REF2P5_SEL = pstcDacCfg->enDivVref;
if (pstcDacCfg->u8DivVal < 0x40)
{
M0P_VC->CR_f.DIV = pstcDacCfg->u8DivVal;
}
else
{
return ErrorInvalidParameter;
}
return Ok;
}
/**
******************************************************************************
** \brief VC通道初始化
**
** @param pstcDacCfg :
** \retval 无
**
******************************************************************************/
void Vc_Init(stc_vc_channel_cfg_t *pstcChannelCfg)
{
if (VcChannel0 == pstcChannelCfg->enVcChannel)
{
M0P_VC->CR_f.VC0_HYS_SEL = pstcChannelCfg->enVcCmpDly;
M0P_VC->CR_f.VC0_BIAS_SEL = pstcChannelCfg->enVcBiasCurrent;
M0P_VC->VC0_CR_f.DEBOUNCE_TIME = pstcChannelCfg->enVcFilterTime;
M0P_VC->VC0_CR_f.P_SEL = pstcChannelCfg->enVcInPin_P;
M0P_VC->VC0_CR_f.N_SEL = pstcChannelCfg->enVcInPin_N;
M0P_VC->VC0_CR_f.FLTEN = pstcChannelCfg->bFlten;
M0P_VC->VC0_OUT_CFG = 1<<pstcChannelCfg->enVcOutCfg;
}
else if (VcChannel1 == pstcChannelCfg->enVcChannel)
{
M0P_VC->CR_f.VC1_HYS_SEL = pstcChannelCfg->enVcCmpDly;
M0P_VC->CR_f.VC1_BIAS_SEL = pstcChannelCfg->enVcBiasCurrent;
M0P_VC->VC1_CR_f.DEBOUNCE_TIME = pstcChannelCfg->enVcFilterTime;
M0P_VC->VC1_CR_f.P_SEL = pstcChannelCfg->enVcInPin_P;
M0P_VC->VC1_CR_f.N_SEL = pstcChannelCfg->enVcInPin_N;
M0P_VC->VC1_CR_f.FLTEN = pstcChannelCfg->bFlten;
M0P_VC->VC1_OUT_CFG = 1<<pstcChannelCfg->enVcOutCfg;
}
else if(VcChannel2 == pstcChannelCfg->enVcChannel)
{
M0P_VC->CR_f.VC2_HYS_SEL = pstcChannelCfg->enVcCmpDly;
M0P_VC->CR_f.VC2_BIAS_SEL = pstcChannelCfg->enVcBiasCurrent;
M0P_VC->VC2_CR_f.DEBOUNCE_TIME = pstcChannelCfg->enVcFilterTime;
M0P_VC->VC2_CR_f.P_SEL = pstcChannelCfg->enVcInPin_P;
M0P_VC->VC2_CR_f.N_SEL = pstcChannelCfg->enVcInPin_N;
M0P_VC->VC2_CR_f.FLTEN = pstcChannelCfg->bFlten;
M0P_VC->VC2_OUT_CFG = 1<<pstcChannelCfg->enVcOutCfg;
}
else
{
;
}
}
/**
******************************************************************************
** \brief VC 通道使能
**
** \param enChannel : 通道号VcChannel0 VcChannel1 VcChannel2
** \param NewStatus : TRUE FALSE
** \retval NewStatus : TRUE FALSE
**
******************************************************************************/
void Vc_Cmd(en_vc_channel_t enChannel, boolean_t NewStatus)
{
switch(enChannel)
{
case VcChannel0:
SetBit((uint32_t)(&(M0P_VC->VC0_CR)), 16, NewStatus);
break;
case VcChannel1:
SetBit((uint32_t)(&(M0P_VC->VC1_CR)), 16, NewStatus);
break;
case VcChannel2:
SetBit((uint32_t)(&(M0P_VC->VC2_CR)), 16, NewStatus);
break;
default:
break;
}
}
//@} // VcGroup
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
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