Robin Mueller
dfb1e88f55
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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
#include "Stack5VHandler.h"
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Stack5VHandler::Stack5VHandler(PowerSwitchIF& switcher) : switcher(switcher) {
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stackLock = MutexFactory::instance()->createMutex();
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}
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ReturnValue_t Stack5VHandler::deviceToOn(StackCommander commander, bool updateStates) {
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MutexGuard mg(stackLock, LOCK_TYPE, LOCK_TIMEOUT, LOCK_CTX);
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if (updateStates) {
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updateInternalStates();
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}
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if (handlerState == HandlerState::SWITCH_PENDING) {
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return BUSY;
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}
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if (switchIsOn) {
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if (commander == StackCommander::PL_PCDU) {
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plPcduIsOn = true;
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} else {
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radSensorIsOn = true;
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}
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return returnvalue::OK;
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}
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handlerState = HandlerState::SWITCH_PENDING;
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targetState = true;
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return switcher.sendSwitchCommand(stackSwitch, PowerSwitchIF::SWITCH_ON);
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}
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ReturnValue_t Stack5VHandler::deviceToOff(StackCommander commander, bool updateStates) {
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MutexGuard mg(stackLock, LOCK_TYPE, LOCK_TIMEOUT, LOCK_CTX);
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if (updateStates) {
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updateInternalStates();
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}
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// wait for our turn
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if (handlerState == HandlerState::SWITCH_PENDING) {
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return BUSY;
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}
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// If the switch is already off, we are done
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if (not switchIsOn) {
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if (commander == StackCommander::PL_PCDU) {
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plPcduIsOn = false;
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} else {
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radSensorIsOn = false;
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}
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return returnvalue::OK;
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}
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// If one device is still on, do not turn off the switch
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if ((commander == StackCommander::PL_PCDU and radSensorIsOn) or
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(commander == StackCommander::RAD_SENSOR and plPcduIsOn)) {
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return returnvalue::OK;
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}
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handlerState = HandlerState::SWITCH_PENDING;
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targetState = false;
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return switcher.sendSwitchCommand(stackSwitch, PowerSwitchIF::SWITCH_OFF);
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}
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bool Stack5VHandler::isSwitchOn() {
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MutexGuard mg(stackLock, LOCK_TYPE, LOCK_TIMEOUT, LOCK_CTX);
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return updateInternalStates();
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}
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void Stack5VHandler::update() {
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MutexGuard mg(stackLock, LOCK_TYPE, LOCK_TIMEOUT, LOCK_CTX);
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updateInternalStates();
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}
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bool Stack5VHandler::updateInternalStates() {
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if (switcher.getSwitchState(stackSwitch) == PowerSwitchIF::SWITCH_ON) {
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if (handlerState == HandlerState::SWITCH_PENDING and targetState) {
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handlerState = HandlerState::IDLE;
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switchIsOn = true;
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}
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return true;
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} else if (handlerState == HandlerState::SWITCH_PENDING and not targetState) {
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handlerState = HandlerState::IDLE;
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switchIsOn = false;
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radSensorIsOn = false;
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plPcduIsOn = false;
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}
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return false;
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}
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