dac12_a_ex2_0V75Out.c

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//******************************************************************************
//******************************************************************************
 
#include "driverlib.h"
 
void main (void)
{
    //Stop Watchdog Timer
    WDT_A_hold(WDT_A_BASE);
 
    //Refernce is autmatically turned on from the REF module on DAC request
    //REF module default 1.5V is used
 
    /*
     * // Initialize DAC12_A_1,
     * // Choose P7.7 as output,
     * // Use internally generated 1.5V as Vref+,
     * // Multiply Vout by 1,
     * // Use medium settling speed/current,
     * // Auto trigger as soon as data is set
     */
    DAC12_A_initParam param = {0};
    param.submoduleSelect = DAC12_A_SUBMODULE_1;
    param.outputSelect = DAC12_A_OUTPUT_1;
    param.positiveReferenceVoltage = DAC12_A_VREF_INT;
    param.outputVoltageMultiplier = DAC12_A_VREFx1;
    param.amplifierSetting = DAC12_A_AMP_MEDIN_MEDOUT;
    param.conversionTriggerSelect = DAC12_A_TRIGGER_ENCBYPASS;
    DAC12_A_init(DAC12_A_BASE, &param);
 
    //Calibrate output buffer for DAC12_A_0
    DAC12_A_calibrateOutput(DAC12_A_BASE,
        DAC12_A_SUBMODULE_0);
 
    //Configure internal reference  If ref generator busy, WAIT
    while ( REF_ACTIVE == Ref_isRefGenBusy(REF_BASE) ) ;
 
    //Select internal ref = 1.5V
    Ref_setReferenceVoltage(REF_BASE,
        REF_VREF1_5V);
 
    //Internal Reference ON
    Ref_enableReferenceVoltage(REF_BASE);
 
    //Delay (~75us) for Ref to settle
    __delay_cycles(75);
 
    //Set 0x7FF (~0.75V) into data buffer for DAC12_A_1
    DAC12_A_setData(DAC12_A_BASE,
        DAC12_A_SUBMODULE_1,
        0x7FF
        );
 
    //Enter LPM4
    __bis_SR_register(LPM4_bits);
}