/**************************************************************************//**
* @brief Sets up the DAC
*****************************************************************************/
void setupDAC(void)
{
/* Configuration structure for the DAC */
DAC_Init_TypeDef dacInit = DAC_INIT_DEFAULT;
/* Change the reference for Vdd */
dacInit.reference = dacRefVDD;
/* Initialize DAC */
DAC_Init(DAC0, &dacInit);
/* Set data for DAC channel 1 */
writeDataDAC(DAC0, 800, 1);
}
/**************************************************************************//**
* @brief Sets up the DAC
*****************************************************************************/
void setupDAC(void)
{
/* Configuration structure for the DAC */
static const DAC_Init_TypeDef dacInit =
{
.refresh = dacRefresh8,
.reference = dacRefVDD,
.outMode = dacOutputPin,
.convMode = dacConvModeContinuous,
.prescale = 0,
.lpEnable = false,
.ch0ResetPre = false,
.outEnablePRS = false,
.sineEnable = false,
.diff = false
};
/* Initialize DAC */
DAC_Init(DAC0, &dacInit);
/* Set data for DAC channel 0 */
writeDataDAC(DAC0, (unsigned int) DAC_DATA, DAC_CHANNEL);
}
/**************************************************************************//**
* @brief Write DAC conversion value
*****************************************************************************/
void writeDataDAC(DAC_TypeDef *dac, unsigned int value, unsigned int ch)
{
/* Write data output value to the correct register. */
if (!ch)
{
/* Write data to DAC ch 0 */
dac->CH0DATA = value;
}
else
{
/* Write data to DAC ch 1 */
dac->CH1DATA = value;
}
}
/**************************************************************************//**
* @brief Sets up the ACMP
*****************************************************************************/
void setupACMP(void)
{
/* There is no default configuration for this */
static const ACMP_Init_TypeDef acmpInit =
{
.fullBias = false,
.halfBias = true,
.biasProg = 0xF,
.interruptOnFallingEdge = false,
.interruptOnRisingEdge = false,
.warmTime = acmpWarmTime4,
.hysteresisLevel = acmpHysteresisLevel0,
.inactiveValue = false,
.lowPowerReferenceEnabled = false,
.vddLevel = ACMP_VDD_SCALE,
.enable = false
};
/* Initialize ACMPs */
ACMP_Init(ACMP0, &acmpInit);
ACMP_Init(ACMP1, &acmpInit);
/* Select Vdd as negative reference
* Positive reference is controlled by LESENSE */
ACMP_ChannelSet(ACMP0, acmpChannelVDD, acmpChannel6);
ACMP_ChannelSet(ACMP1, acmpChannelVDD, acmpChannel4);
}
/**************************************************************************//**
* @brief Sets up the LESENSE
*****************************************************************************/
void setupLESENSE(void)
{
static const LESENSE_Init_TypeDef initLesense =
{
.coreCtrl =
{
.scanStart = lesenseScanStartPeriodic,
.prsSel = lesensePRSCh0,
.scanConfSel = lesenseScanConfDirMap,
.invACMP0 = false,
.invACMP1 = false,
.dualSample = false,
.storeScanRes = false,
.bufOverWr = true,
.bufTrigLevel = lesenseBufTrigHalf,
.wakeupOnDMA = lesenseDMAWakeUpDisable,
.biasMode = lesenseBiasModeDutyCycle,
.debugRun = false
},
.timeCtrl =
{
.startDelay = 0
},
.perCtrl =
{
.dacCh0Data = lesenseDACIfData,
.dacCh0ConvMode = lesenseDACConvModeSampleOff,
.dacCh0OutMode = lesenseDACOutModeDisable,
.dacCh1Data = lesenseDACIfData,
.dacCh1ConvMode = lesenseDACConvModeSampleOff,
.dacCh1OutMode = lesenseDACOutModePin,
.dacPresc = 31,
.dacRef = lesenseDACRefVdd,
.acmp0Mode = lesenseACMPModeMux,
.acmp1Mode = lesenseACMPModeMux,
.warmupMode = lesenseWarmupModeNormal
},
.decCtrl =
{
.decInput = lesenseDecInputSensorSt,
.initState = 0,
.chkState = true,
.intMap = false,
.hystPRS0 = false,
.hystPRS1 = false,
.hystPRS2 = false,
.hystIRQ = false,
.prsCount = true,
.prsChSel0 = lesensePRSCh0,
.prsChSel1 = lesensePRSCh1,
.prsChSel2 = lesensePRSCh2,
.prsChSel3 = lesensePRSCh3
}
};
