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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 dac.c
**
** dac driver API.
**
** - 2019-04-10 First Version
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "hc32l196_dac.h"
/**
******************************************************************************
** \addtogroup AdcGroup
******************************************************************************/
//@{
/******************************************************************************
* 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 使能相关通道的DMA DMA_CR0中的DMAEN0
**
** @param NewState : TRUE 或者 FALSE
** \retval 无
**
******************************************************************************/
void Dac_DmaCmd(boolean_t NewState)
{
SetBit((uint32_t)(&(M0P_DAC->CR0)), 12, NewState);
}
/**
******************************************************************************
** \brief 配置DAC的DMA下溢中断， DMA_CR0中的DMAUDRIE0
**
** @param NewState : TRUE 或者 FALSE
** \retval 无
**
******************************************************************************/
void Dac_DmaITCfg(boolean_t NewState)
{
SetBit((uint32_t)(&(M0P_DAC->CR0)), 13, NewState);
}
/**
******************************************************************************
** \brief 获取DAC的DMA下溢中断标志位状态， DMA_SR中的DMAUDR0
**
** @param 无
** \retval TRUE 或 FALSE
**
******************************************************************************/
boolean_t Dac_GetITStatus(void)
{
return GetBit((uint32_t)(&(M0P_DAC->SR)), 13);
}
/**
******************************************************************************
** \brief 配置DAC的使能与禁止， DMA_CR0中的EN0
**
** @param NewState : TRUE 或者 FALSE
** \retval 无
**
******************************************************************************/
void Dac_Cmd(boolean_t NewState)
{
SetBit((uint32_t)(&(M0P_DAC->CR0)), 0, NewState);
}
/**
******************************************************************************
** \brief 软件触发寄存器，触发DAC转换 DMA_SWTRIGR中的SWTRIG0
**
** @param 无
** \retval 无
**
******************************************************************************/
void Dac_SoftwareTriggerCmd(void)
{
SetBit((uint32_t)(&(M0P_DAC->SWTRIGR)), 0, 1);
}
/**
******************************************************************************
** \brief 初始化DAC0
**
** @param DAC_InitStruct : 用于初始化DAC0的结构体
** \retval 无
**
******************************************************************************/
void Dac_Init(stc_dac_cfg_t* DAC_InitStruct)
{
M0P_DAC->CR0_f.BOFF0 = DAC_InitStruct->boff_t;
M0P_DAC->CR0_f.TEN0 = DAC_InitStruct->ten_t;
M0P_DAC->CR0_f.TSEL0 = DAC_InitStruct->tsel_t;
M0P_DAC->CR0_f.WAVE0 = DAC_InitStruct->wave_t;
M0P_DAC->CR0_f.MAMP0 = DAC_InitStruct->mamp_t;
M0P_DAC->CR0_f.SREF0 = DAC_InitStruct->sref_t;
if(DAC_InitStruct->align == DacLeftAlign)
{
M0P_DAC->DHR12L0_f.DHR0 = DAC_InitStruct->dhr12;
}
else if(DAC_InitStruct->align == DacRightAlign)
{
M0P_DAC->DHR12R0_f.DHR0 = DAC_InitStruct->dhr12;
}
else
{
M0P_DAC->DHR8R0_f.DHR0 = DAC_InitStruct->dhr8;
}
}
/**
******************************************************************************
** \brief 向DAC0的数据保持寄存器写数据
**
** @param DAC_Channel: Dac_0
** @param DAC_Align : Right_Align 与Left_Align
** @param DAC_Bit : Bit8 与Bit12
** @param Data : 所要发送的数据
** \retval 无
**
******************************************************************************/
void Dac_SetChannelData(en_align_t DAC_Align, en_bitno_t DAC_Bit, uint16_t Data)
{
if(DAC_Align == DacRightAlign)
{
if(DAC_Bit == DacBit8)
{
M0P_DAC->DHR8R0_f.DHR0 = (uint8_t)Data;
}
else if(DAC_Bit == DacBit12)
{
M0P_DAC->DHR12R0_f.DHR0 = Data;
}
else
{
return;
}
}
else if(DAC_Align == DacLeftAlign)
{
if(DAC_Bit == DacBit8)
{
return;
}
else if(DAC_Bit == DacBit12)
{
M0P_DAC->DHR12L0_f.DHR0 = Data;
}
else
{
return;
}
}
else
{
return;
}
}
/**
******************************************************************************
** \brief 获取DAC数据输出寄存器DAC_DOR0
**
** @param 无
** \retval DAC_DOR0的值
**
******************************************************************************/
uint16_t Dac_GetDataOutputValue(void)
{
uint16_t tmp;
tmp = M0P_DAC->DOR0_f.DOR0;
return tmp&0x0fff;
}
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
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