__interrupt void epwm3_isr(void)
{
static int daccounter=0;
float wt, sinwt;
uint16_t dacoutv;
if (daccounter<1000) daccounter++; else daccounter=0;
wt = daccounter / 1000.0F;
sinwt = __sinpuf32(wt);
dacoutv = (sinwt + 1.0F) * 4095.0F / 2.0F;
DacaRegs.DACVALS.bit.DACVALS = dacoutv;
EPwm3Regs.ETCLR.bit.INT = 1; //Clear INT flag for this timer
PieCtrlRegs.PIEACK.all = PIEACK_GROUP3; //Acknowledge this interrupt to receive more interrupts from group 3
}
//
// TMU_runTest - Execute SIN generation test (TMU)
//
float TMU_runTest(float *inputVector,float *tmuOutput,
int16_t size)
{
int16_t i;
float start_time = 0.0;
float stop_time = 0.0;
START_TIMER(start_time);
for(i = 0; i < size ; i++)
{
tmuOutput[i] = __sinpuf32(inputVector[i]);
}
STOP_TIMER(stop_time);
return(start_time - stop_time);
}
