351 lines
10 KiB
C++
351 lines
10 KiB
C++
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#include "../devicehandlers/DeviceHandlerFailureIsolation.h"
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#include "Heater.h"
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#include "../power/Fuse.h"
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#include "../ipc/QueueFactory.h"
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Heater::Heater(uint32_t objectId, uint8_t switch0, uint8_t switch1) :
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HealthDevice(objectId, 0), internalState(STATE_OFF), powerSwitcher(
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NULL), pcduQueueId(0), switch0(switch0), switch1(switch1), wasOn(
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false), timedOut(false), reactedToBeingFaulty(false), passive(
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false), eventQueue(NULL), heaterOnCountdown(10800000)/*about two orbits*/, parameterHelper(
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this), lastAction(CLEAR) {
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eventQueue = QueueFactory::instance()->createMessageQueue();
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}
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Heater::~Heater() {
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QueueFactory::instance()->deleteMessageQueue(eventQueue);
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}
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ReturnValue_t Heater::set() {
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passive = false;
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//wait for clear before doing anything
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if (internalState == STATE_WAIT) {
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return HasReturnvaluesIF::RETURN_OK;
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}
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if (healthHelper.healthTable->isHealthy(getObjectId())) {
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doAction(SET);
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if ((internalState == STATE_OFF) || (internalState == STATE_PASSIVE)){
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return HasReturnvaluesIF::RETURN_FAILED;
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} else {
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return HasReturnvaluesIF::RETURN_OK;
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}
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} else {
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if (healthHelper.healthTable->isFaulty(getObjectId())) {
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if (!reactedToBeingFaulty) {
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reactedToBeingFaulty = true;
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doAction(CLEAR);
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}
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}
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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}
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void Heater::clear(bool passive) {
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this->passive = passive;
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//Force switching off
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if (internalState == STATE_WAIT) {
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internalState = STATE_ON;
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}
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if (healthHelper.healthTable->isHealthy(getObjectId())) {
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doAction(CLEAR);
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} else if (healthHelper.healthTable->isFaulty(getObjectId())) {
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if (!reactedToBeingFaulty) {
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reactedToBeingFaulty = true;
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doAction(CLEAR);
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}
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}
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}
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void Heater::doAction(Action action) {
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//only act if we are not in the right state or in a transition
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if (action == SET) {
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if ((internalState == STATE_OFF) || (internalState == STATE_PASSIVE)
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|| (internalState == STATE_EXTERNAL_CONTROL)) {
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switchCountdown.setTimeout(powerSwitcher->getSwitchDelayMs());
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internalState = STATE_WAIT_FOR_SWITCHES_ON;
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powerSwitcher->sendSwitchCommand(switch0, PowerSwitchIF::SWITCH_ON);
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powerSwitcher->sendSwitchCommand(switch1, PowerSwitchIF::SWITCH_ON);
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}
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} else { //clear
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if ((internalState == STATE_ON) || (internalState == STATE_FAULTY)
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|| (internalState == STATE_EXTERNAL_CONTROL)) {
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internalState = STATE_WAIT_FOR_SWITCHES_OFF;
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switchCountdown.setTimeout(powerSwitcher->getSwitchDelayMs());
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powerSwitcher->sendSwitchCommand(switch0,
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PowerSwitchIF::SWITCH_OFF);
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powerSwitcher->sendSwitchCommand(switch1,
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PowerSwitchIF::SWITCH_OFF);
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}
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}
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}
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void Heater::setPowerSwitcher(PowerSwitchIF* powerSwitch) {
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this->powerSwitcher = powerSwitch;
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}
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ReturnValue_t Heater::performOperation(uint8_t opCode) {
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handleQueue();
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handleEventQueue();
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if (!healthHelper.healthTable->isFaulty(getObjectId())) {
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reactedToBeingFaulty = false;
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}
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switch (internalState) {
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case STATE_ON:
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if ((powerSwitcher->getSwitchState(switch0) == PowerSwitchIF::SWITCH_OFF)
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|| (powerSwitcher->getSwitchState(switch1)
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== PowerSwitchIF::SWITCH_OFF)) {
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//switch went off on its own
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//trigger event. FDIR can confirm if it is caused by MniOps and decide on the action
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//do not trigger FD events when under external control
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if (healthHelper.getHealth() != EXTERNAL_CONTROL) {
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triggerEvent(PowerSwitchIF::SWITCH_WENT_OFF);
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} else {
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internalState = STATE_EXTERNAL_CONTROL;
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}
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}
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break;
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case STATE_OFF:
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//check if heater is on, ie both switches are on
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//if so, just command it to off, to resolve the situation or force a switch stayed on event
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//But, only do anything if not already faulty (state off is the stable point for being faulty)
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if ((!healthHelper.healthTable->isFaulty(getObjectId()))
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&& (powerSwitcher->getSwitchState(switch0)
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== PowerSwitchIF::SWITCH_ON)
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&& (powerSwitcher->getSwitchState(switch1)
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== PowerSwitchIF::SWITCH_ON)) {
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//do not trigger FD events when under external control
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if (healthHelper.getHealth() != EXTERNAL_CONTROL) {
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internalState = STATE_WAIT_FOR_SWITCHES_OFF;
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switchCountdown.setTimeout(powerSwitcher->getSwitchDelayMs());
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powerSwitcher->sendSwitchCommand(switch0,
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PowerSwitchIF::SWITCH_OFF);
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powerSwitcher->sendSwitchCommand(switch1,
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PowerSwitchIF::SWITCH_OFF);
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} else {
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internalState = STATE_EXTERNAL_CONTROL;
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}
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}
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break;
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case STATE_PASSIVE:
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break;
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case STATE_WAIT_FOR_SWITCHES_ON:
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if (switchCountdown.hasTimedOut()) {
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if ((powerSwitcher->getSwitchState(switch0)
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== PowerSwitchIF::SWITCH_OFF)
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|| (powerSwitcher->getSwitchState(switch1)
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== PowerSwitchIF::SWITCH_OFF)) {
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triggerEvent(HEATER_STAYED_OFF);
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internalState = STATE_WAIT_FOR_FDIR; //wait before retrying or anything
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} else {
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triggerEvent(HEATER_ON);
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internalState = STATE_ON;
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}
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}
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break;
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case STATE_WAIT_FOR_SWITCHES_OFF:
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if (switchCountdown.hasTimedOut()) {
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//only check for both being on (ie heater still on)
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if ((powerSwitcher->getSwitchState(switch0)
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== PowerSwitchIF::SWITCH_ON)
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&& (powerSwitcher->getSwitchState(switch1)
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== PowerSwitchIF::SWITCH_ON)) {
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if (healthHelper.healthTable->isFaulty(getObjectId())) {
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if (passive) {
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internalState = STATE_PASSIVE;
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} else {
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internalState = STATE_OFF; //just accept it
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}
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triggerEvent(HEATER_ON); //but throw an event to make it more visible
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break;
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}
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triggerEvent(HEATER_STAYED_ON);
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internalState = STATE_WAIT_FOR_FDIR; //wait before retrying or anything
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} else {
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triggerEvent(HEATER_OFF);
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if (passive) {
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internalState = STATE_PASSIVE;
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} else {
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internalState = STATE_OFF;
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}
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}
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}
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break;
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default:
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break;
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}
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if ((powerSwitcher->getSwitchState(switch0) == PowerSwitchIF::SWITCH_ON)
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&& (powerSwitcher->getSwitchState(switch1)
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== PowerSwitchIF::SWITCH_ON)) {
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if (wasOn) {
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if (heaterOnCountdown.hasTimedOut()) {
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//SHOULDDO this means if a heater fails in single mode, the timeout will start again
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//I am not sure if this is a bug, but atm I have no idea how to fix this and think
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//it will be ok. whatcouldpossiblygowrong™
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if (!timedOut) {
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triggerEvent(HEATER_TIMEOUT);
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timedOut = true;
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}
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}
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} else {
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wasOn = true;
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heaterOnCountdown.resetTimer();
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timedOut = false;
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}
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} else {
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wasOn = false;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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void Heater::setSwitch(uint8_t number, ReturnValue_t state,
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uint32_t* uptimeOfSwitching) {
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if (powerSwitcher == NULL) {
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return;
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}
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if (powerSwitcher->getSwitchState(number) == state) {
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*uptimeOfSwitching = INVALID_UPTIME;
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} else {
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if ((*uptimeOfSwitching == INVALID_UPTIME)) {
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powerSwitcher->sendSwitchCommand(number, state);
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Clock::getUptime(uptimeOfSwitching);
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} else {
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uint32_t currentUptime;
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Clock::getUptime(¤tUptime);
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if (currentUptime - *uptimeOfSwitching
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> powerSwitcher->getSwitchDelayMs()) {
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*uptimeOfSwitching = INVALID_UPTIME;
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if (healthHelper.healthTable->isHealthy(getObjectId())) {
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if (state == PowerSwitchIF::SWITCH_ON) {
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triggerEvent(HEATER_STAYED_OFF);
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} else {
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triggerEvent(HEATER_STAYED_ON);
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}
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}
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//SHOULDDO MiniOps during switch timeout leads to a faulty switch
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}
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}
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}
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}
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MessageQueueId_t Heater::getCommandQueue() const {
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return commandQueue->getId();
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}
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ReturnValue_t Heater::initialize() {
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ReturnValue_t result = SystemObject::initialize();
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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EventManagerIF* manager = objectManager->get<EventManagerIF>(
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objects::EVENT_MANAGER);
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if (manager == NULL) {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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result = manager->registerListener(eventQueue->getId());
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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ConfirmsFailuresIF* pcdu = objectManager->get<ConfirmsFailuresIF>(
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DeviceHandlerFailureIsolation::powerConfirmationId);
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if (pcdu == NULL) {
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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pcduQueueId = pcdu->getEventReceptionQueue();
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result = manager->subscribeToAllEventsFrom(eventQueue->getId(),
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getObjectId());
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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result = parameterHelper.initialize();
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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result = healthHelper.initialize();
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if (result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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void Heater::handleQueue() {
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CommandMessage message;
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ReturnValue_t result = commandQueue->receiveMessage(&message);
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if (result == HasReturnvaluesIF::RETURN_OK) {
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result = healthHelper.handleHealthCommand(&message);
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if (result == HasReturnvaluesIF::RETURN_OK) {
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return;
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}
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parameterHelper.handleParameterMessage(&message);
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}
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}
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ReturnValue_t Heater::getParameter(uint8_t domainId, uint16_t parameterId,
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ParameterWrapper* parameterWrapper, const ParameterWrapper* newValues,
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uint16_t startAtIndex) {
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if (domainId != DOMAIN_ID_BASE) {
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return INVALID_DOMAIN_ID;
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}
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switch (parameterId) {
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case 0:
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parameterWrapper->set(heaterOnCountdown.timeout);
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break;
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default:
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return INVALID_MATRIX_ID;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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void Heater::handleEventQueue() {
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EventMessage event;
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for (ReturnValue_t result = eventQueue->receiveMessage(&event);
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result == HasReturnvaluesIF::RETURN_OK;
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result = eventQueue->receiveMessage(&event)) {
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switch (event.getMessageId()) {
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case EventMessage::EVENT_MESSAGE:
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switch (event.getEvent()) {
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case Fuse::FUSE_WENT_OFF:
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case HEATER_STAYED_OFF:
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case HEATER_STAYED_ON://Setting it faulty does not help, but we need to reach a stable state and can check for being faulty before throwing this event again.
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if (healthHelper.healthTable->isCommandable(getObjectId())) {
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healthHelper.setHealth(HasHealthIF::FAULTY);
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internalState = STATE_FAULTY;
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}
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break;
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case PowerSwitchIF::SWITCH_WENT_OFF:
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internalState = STATE_WAIT;
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event.setMessageId(EventMessage::CONFIRMATION_REQUEST);
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if (pcduQueueId != 0) {
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eventQueue->sendMessage(pcduQueueId, &event);
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} else {
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healthHelper.setHealth(HasHealthIF::FAULTY);
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internalState = STATE_FAULTY;
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}
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break;
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default:
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return;
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}
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break;
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case EventMessage::YOUR_FAULT:
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healthHelper.setHealth(HasHealthIF::FAULTY);
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internalState = STATE_FAULTY;
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break;
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case EventMessage::MY_FAULT:
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//do nothing, we are already in STATE_WAIT and wait for a clear()
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break;
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default:
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return;
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}
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}
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}
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