/******************************************************************
* Copyright (C) 2009 Ram Narula
* Filename: doDAC.cpp
* Version: 0.3
* Date: 05 August 2009
* Information: http://www.xduino.com/
******************************************************************/
/******************************************************************
* This file is part of Xduino
*
* Xduino is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Xduino is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Xduino. If not, see .
******************************************************************/
#include "doDAC.h"
#include "defineName.h"
#include "doGPIO.h"
doDAC::doDAC()
{
}
doDAC::doDAC(u8 DAC_Channelx_) : DAC_Channelx(DAC_Channelx_)
{
}
void doDAC::Setup(u32 DACn_)
{
DAC_InitTypeDef DAC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
//DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Triangle;
//DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_31;
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
DAC_Init(DACn_, &DAC_InitStructure);
DAC_Cmd(DACn_, ENABLE);
DAC_DMACmd(DACn_, DISABLE);
DAC_SoftwareTriggerCmd(DACn_, DISABLE);
DAC_DualSoftwareTriggerCmd(DISABLE);
}
void doDAC::Write(u16 OutputData)
{
defineName myDAC;
myDAC.getDACchannel(DAC_Channelx);
//Set Pin to analog
doGPIO myGPIOPin=doGPIO(myDAC.GPIObank,myDAC.GPIOPin,GPIO_Mode_AIN);
//Set output
if(DAC_Channelx == 1) {
DAC_SetChannel1Data(DAC_Align_12b_R,(OutputData & 0xFFF));
}
if(DAC_Channelx == 2) {
DAC_SetChannel2Data(DAC_Align_12b_R,(OutputData & 0xFFF));
}
}
u16 doDAC::LastWrite(void)
{
defineName myDAC;
myDAC.getDACchannel(DAC_Channelx);
return DAC_GetDataOutputValue(myDAC.DAC_Channel);
}