125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
#include <framework/devicehandlers/FixedSlotSequence.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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FixedSlotSequence::FixedSlotSequence(uint32_t setLengthMs) :
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lengthMs(setLengthMs) {
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current = slotList.begin();
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}
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FixedSlotSequence::~FixedSlotSequence() {
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std::list<FixedSequenceSlot*>::iterator slotIt;
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//Iterate through slotList and delete all entries.
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slotIt = this->slotList.begin();
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while (slotIt != this->slotList.end()) {
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delete (*slotIt);
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slotIt++;
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}
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}
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void FixedSlotSequence::executeAndAdvance() {
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(*this->current)->handler->performOperation((*this->current)->opcode);
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// if (returnValue != RETURN_OK) {
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// this->sendErrorMessage( returnValue );
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// }
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//Increment the polling Sequence iterator
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this->current++;
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//Set it to the beginning, if the list's end is reached.
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if (this->current == this->slotList.end()) {
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this->current = this->slotList.begin();
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}
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}
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uint32_t FixedSlotSequence::getIntervalToNextSlotMs() {
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uint32_t oldTime;
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std::list<FixedSequenceSlot*>::iterator it;
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it = current;
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// Get the pollingTimeMs of the current slot object.
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oldTime = (*it)->pollingTimeMs;
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// Advance to the next object.
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it++;
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// Find the next interval which is not 0.
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while (it != slotList.end()) {
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if (oldTime != (*it)->pollingTimeMs) {
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return (*it)->pollingTimeMs - oldTime;
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} else {
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it++;
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}
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}
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// If the list end is reached (this is definitely an interval != 0),
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// the interval is calculated by subtracting the remaining time of the PST
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// and adding the start time of the first handler in the list.
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it = slotList.begin();
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return lengthMs - oldTime + (*it)->pollingTimeMs;
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}
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uint32_t FixedSlotSequence::getIntervalToPreviousSlotMs() {
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uint32_t currentTime;
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std::list<FixedSequenceSlot*>::iterator it;
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it = current;
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// Get the pollingTimeMs of the current slot object.
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currentTime = (*it)->pollingTimeMs;
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//if it is the first slot, calculate difference to last slot
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if (it == slotList.begin()){
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return lengthMs - (*(--slotList.end()))->pollingTimeMs + currentTime;
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}
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// get previous slot
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it--;
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return currentTime - (*it)->pollingTimeMs;
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}
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bool FixedSlotSequence::slotFollowsImmediately() {
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uint32_t currentTime = (*current)->pollingTimeMs;
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std::list<FixedSequenceSlot*>::iterator it;
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it = this->current;
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// Get the pollingTimeMs of the current slot object.
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if (it == slotList.begin())
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return false;
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it--;
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if ((*it)->pollingTimeMs == currentTime) {
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return true;
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} else {
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return false;
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}
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}
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uint32_t FixedSlotSequence::getLengthMs() const {
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return this->lengthMs;
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}
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ReturnValue_t FixedSlotSequence::checkSequence() const {
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auto slotIt = slotList.begin();
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uint32_t count = 0;
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uint32_t time = 0;
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while (slotIt != slotList.end()) {
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if ((*slotIt)->handler == NULL) {
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error << "FixedSlotSequene::initialize: ObjectId does not exist!"
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<< std::endl;
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count++;
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} else if ((*slotIt)->pollingTimeMs < time) {
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error << "FixedSlotSequence::initialize: Time: "
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<< (*slotIt)->pollingTimeMs
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<< " is smaller than previous with " << time << std::endl;
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count++;
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} else {
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//All ok, print slot.
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// (*slotIt)->print();
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}
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time = (*slotIt)->pollingTimeMs;
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slotIt++;
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}
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if (count > 0) {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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void FixedSlotSequence::addSlot(object_id_t componentId, uint32_t slotTimeMs,
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int8_t executionStep, PeriodicTaskIF* executingTask) {
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this->slotList.push_back(
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new FixedSequenceSlot(componentId, slotTimeMs, executionStep,
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executingTask));
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this->current = slotList.begin();
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}
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