//PreprocessProgram initializes ETA parameters and validates/modifies ramp conditions
void Thermocycler::PreprocessProgram() {
Step* pCurrentStep;
Step* pPreviousStep = NULL;
iProgramHoldDurationS = 0;
iEstimatedTimeRemainingS = 0;
iHasCooled = false;
iProgramControlledRampDurationS = 0;
iProgramFastRampDegrees = 0;
iElapsedFastRampDegrees = 0;
iTotalElapsedFastRampDurationMs = 0;
ipProgram->BeginIteration();
while ((pCurrentStep = ipProgram->GetNextStep()) && !pCurrentStep->IsFinal()) {
//validate ramp
if (pPreviousStep != NULL && pCurrentStep->GetRampDurationS() * 1000 < absf(pCurrentStep->GetTemp() - pPreviousStep->GetTemp()) * PLATE_FAST_RAMP_THRESHOLD_MS) {
//cannot ramp that fast, ignored set ramp
pCurrentStep->SetRampDurationS(0);
}
//update eta hold
iProgramHoldDurationS += pCurrentStep->GetStepDurationS();
//update eta ramp
if (pCurrentStep->GetRampDurationS() > 0) {
//controlled ramp
iProgramControlledRampDurationS += pCurrentStep->GetRampDurationS();
}
else {
//fast ramp
double previousTemp = pPreviousStep ? pPreviousStep->GetTemp() : GetPlateTemp();
iProgramFastRampDegrees += absf(previousTemp - pCurrentStep->GetTemp()) - CYCLE_START_TOLERANCE;
}
pPreviousStep = pCurrentStep;
}
}
//PreprocessProgram initializes ETA parameters and validates/modifies ramp conditions
void Thermocycler::PreprocessProgram() {
Step* pCurrentStep;
Step* pPreviousStep = NULL;
m_program_hold_duration_sec = 0;
m_estimated_time_remaining_sec = 0;
m_has_cooled = false;
m_program_controlled_ramp_duration_sec = 0;
m_program_fast_ramp_degrees = 0;
m_elapsed_fast_ramp_degrees = 0;
m_total_elapsed_fast_ramp_duration_ms = 0;
m_program->BeginIteration();
while ((pCurrentStep = m_program->GetNextStep()) && !pCurrentStep->IsFinal()) {
//validate ramp
if (pPreviousStep != NULL && pCurrentStep->GetRampDurationS() * 1000 < fabs(pCurrentStep->GetTemp() - pPreviousStep->GetTemp()) * PLATE_FAST_RAMP_THRESHOLD_MS) {
//cannot ramp that fast, ignored set ramp
pCurrentStep->SetRampDurationS(0);
}
//update eta hold
m_program_hold_duration_sec += pCurrentStep->GetStepDurationS();
//update eta ramp
if (pCurrentStep->GetRampDurationS() > 0) {
//controlled ramp
m_program_controlled_ramp_duration_sec += pCurrentStep->GetRampDurationS();
} else {
//fast ramp
double previousTemp = pPreviousStep ? pPreviousStep->GetTemp() : GetPlateTemp();
m_program_fast_ramp_degrees += fabs(previousTemp - pCurrentStep->GetTemp()) - CYCLE_START_TOLERANCE;
}
pPreviousStep = pCurrentStep;
}
}