254 lines
8.6 KiB
C
254 lines
8.6 KiB
C
/******************************************************************************
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* Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file dac.c
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**
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** dac driver API.
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**
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** - 2019-04-10 First Version
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**
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******************************************************************************/
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/******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32l196_dac.h"
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/**
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******************************************************************************
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** \addtogroup AdcGroup
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******************************************************************************/
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//@{
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/******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*****************************************************************************
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* Function implementation - global ('extern') and local ('static')
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*****************************************************************************/
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/**
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******************************************************************************
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** \brief 使能相关通道的DMA DMA_CR0中的DMAEN0
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**
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** @param NewState : TRUE 或者 FALSE
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** \retval 无
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**
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******************************************************************************/
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void Dac_DmaCmd(boolean_t NewState)
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{
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SetBit((uint32_t)(&(M0P_DAC->CR0)), 12, NewState);
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}
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/**
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******************************************************************************
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** \brief 配置DAC的DMA下溢中断， DMA_CR0中的DMAUDRIE0
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**
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** @param NewState : TRUE 或者 FALSE
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** \retval 无
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**
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******************************************************************************/
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void Dac_DmaITCfg(boolean_t NewState)
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{
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SetBit((uint32_t)(&(M0P_DAC->CR0)), 13, NewState);
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}
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/**
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******************************************************************************
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** \brief 获取DAC的DMA下溢中断标志位状态， DMA_SR中的DMAUDR0
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**
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** @param 无
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** \retval TRUE 或 FALSE
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**
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******************************************************************************/
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boolean_t Dac_GetITStatus(void)
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{
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return GetBit((uint32_t)(&(M0P_DAC->SR)), 13);
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}
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/**
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******************************************************************************
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** \brief 配置DAC的使能与禁止， DMA_CR0中的EN0
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**
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** @param NewState : TRUE 或者 FALSE
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** \retval 无
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**
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******************************************************************************/
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void Dac_Cmd(boolean_t NewState)
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{
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SetBit((uint32_t)(&(M0P_DAC->CR0)), 0, NewState);
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}
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/**
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******************************************************************************
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** \brief 软件触发寄存器，触发DAC转换 DMA_SWTRIGR中的SWTRIG0
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**
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** @param 无
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** \retval 无
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**
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******************************************************************************/
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void Dac_SoftwareTriggerCmd(void)
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{
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SetBit((uint32_t)(&(M0P_DAC->SWTRIGR)), 0, 1);
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}
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/**
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******************************************************************************
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** \brief 初始化DAC0
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**
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** @param DAC_InitStruct : 用于初始化DAC0的结构体
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** \retval 无
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**
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******************************************************************************/
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void Dac_Init(stc_dac_cfg_t* DAC_InitStruct)
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{
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M0P_DAC->CR0_f.BOFF0 = DAC_InitStruct->boff_t;
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M0P_DAC->CR0_f.TEN0 = DAC_InitStruct->ten_t;
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M0P_DAC->CR0_f.TSEL0 = DAC_InitStruct->tsel_t;
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M0P_DAC->CR0_f.WAVE0 = DAC_InitStruct->wave_t;
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M0P_DAC->CR0_f.MAMP0 = DAC_InitStruct->mamp_t;
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M0P_DAC->CR0_f.SREF0 = DAC_InitStruct->sref_t;
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if(DAC_InitStruct->align == DacLeftAlign)
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{
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M0P_DAC->DHR12L0_f.DHR0 = DAC_InitStruct->dhr12;
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}
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else if(DAC_InitStruct->align == DacRightAlign)
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{
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M0P_DAC->DHR12R0_f.DHR0 = DAC_InitStruct->dhr12;
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}
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else
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{
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M0P_DAC->DHR8R0_f.DHR0 = DAC_InitStruct->dhr8;
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}
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}
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/**
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******************************************************************************
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** \brief 向DAC0的数据保持寄存器写数据
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**
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** @param DAC_Channel: Dac_0
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** @param DAC_Align : Right_Align 与Left_Align
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** @param DAC_Bit : Bit8 与Bit12
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** @param Data : 所要发送的数据
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** \retval 无
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**
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******************************************************************************/
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void Dac_SetChannelData(en_align_t DAC_Align, en_bitno_t DAC_Bit, uint16_t Data)
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{
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if(DAC_Align == DacRightAlign)
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{
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if(DAC_Bit == DacBit8)
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{
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M0P_DAC->DHR8R0_f.DHR0 = (uint8_t)Data;
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}
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else if(DAC_Bit == DacBit12)
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{
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M0P_DAC->DHR12R0_f.DHR0 = Data;
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}
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else
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{
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return;
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}
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}
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else if(DAC_Align == DacLeftAlign)
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{
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if(DAC_Bit == DacBit8)
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{
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return;
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}
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else if(DAC_Bit == DacBit12)
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{
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M0P_DAC->DHR12L0_f.DHR0 = Data;
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}
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else
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{
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return;
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}
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}
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else
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{
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return;
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}
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}
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/**
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******************************************************************************
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** \brief 获取DAC数据输出寄存器DAC_DOR0
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**
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** @param 无
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** \retval DAC_DOR0的值
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**
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******************************************************************************/
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uint16_t Dac_GetDataOutputValue(void)
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{
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uint16_t tmp;
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tmp = M0P_DAC->DOR0_f.DOR0;
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return tmp&0x0fff;
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}
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/******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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