void __ISR(_INPUT_CAPTURE_1_VECTOR) INT_IC1_Handler(void)
{
mIC1ClearIntFlag();
//Read captured timer values
if(mIC1CaptureReady())
{
IC1_CT_Rise = mIC1ReadCapture();
IC1_CT_Fall = mIC1ReadCapture();
}
//Determine period
if(IC1_CT_Rise > IC1_CT_Fall)
period1 = (IC1_CT_Fall + PER_REG) - IC1_CT_Rise;
else
period1 = IC1_CT_Fall - IC1_CT_Rise;
//Correct period if out of range
if(period1 > THRO_H - 2)
period1 = THRO_H;
else if(period1 < THRO_L + 5)
period1 = THRO_L;
//Turn period into Throttle percentage 0.0 thru 100.0%
IC_THRO = ((period1 - THRO_L) / (THRO_H-THRO_L)) * 100.0;
ReadCapture1(garbage); //clear any remaining capture values
}
// Input Capture Event Interrupt
// On input capture this interrupt will get the time taken to charge the capacitor
// and signal the capacitor thread to continue
void __ISR(_INPUT_CAPTURE_1_VECTOR, ipl2) IC1Handler(void)
{
charge_time = mIC1ReadCapture();
CloseCapture1();
mIC1ClearIntFlag();
charged = 1;
}
//===================== Capture ISR =============== //
void __ISR(_INPUT_CAPTURE_1_VECTOR, ipl3) C1Handler(void) {
capture1 = mIC1ReadCapture();
//calculates the capacitance
cap=-1*((float)capture1/(pow(10,-9)*R*TCLK))*pow(log(1-1.2/3.24),-1);
// clear the timer interrupt flag
mIC1ClearIntFlag();
}
