141 lines
4.0 KiB
C++
141 lines
4.0 KiB
C++
/*
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* This file is part of the "bluetoothheater" distribution
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* (https://gitlab.com/mrjones.id.au/bluetoothheater)
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*
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* Copyright (C) 2019 Ray Jones <ray@mrjones.id.au>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "SmartError.h"
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#include "TxManage.h"
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#include "../Utility/helpers.h"
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#include "../Utility/macros.h"
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#include "../Utility/NVStorage.h"
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#include "../Utility/DataFilter.h"
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CSmartError::CSmartError()
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{
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reset();
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}
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void
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CSmartError::reset()
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{
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m_prevRunState = 0;
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m_Error = 0;
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m_bInhibit = false;
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}
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// we use inhibit when we manually command the heater off during preheat
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// otherwise we'll register an ignition fail event
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void
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CSmartError::inhibit()
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{
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m_bInhibit = true;
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// m_Error = 0;
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}
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// accept a fresh heater frame
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// inpsect the advertised run state, tracking when and how it transitions out
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// of preheat especially.
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// abnormal transitions are registered and becoem our smart m_Error
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// In addition, the hetaer frame has the ErrState updated to track the
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// smart error, providing no heater error exists!
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void
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CSmartError::monitor(const CProtocol& heaterFrame)
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{
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bool bSilent = true;
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if(heaterFrame.verifyCRC(bSilent)) { // check but don't report dodgy frames to debug
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// only accept valid heater frames!
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monitor(heaterFrame.getRunState());
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}
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}
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// test the new run state value, comparing to previous
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// detect abnormal transitions
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void
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CSmartError::monitor(uint8_t newRunState)
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{
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// check if moving away from heater Idle state (S0)
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// especially useful if an OEM controller exists
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if((m_prevRunState == 0) && newRunState) {
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// reset the smart error
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m_Error = 0;
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m_bInhibit = false;
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}
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if(!m_bInhibit) {
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if(m_prevRunState == 2) { // preheat state (S2)
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if(newRunState == 4) {
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// transitioned from preheat to ignited
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// - all good!
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m_Error = 0;
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}
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else if(newRunState > 5) {
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// transitioned from preheat to post glow
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// - second ignition attempt failed, heater is shutting down
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m_Error = 11; // +1 over displayed error code
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}
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else if(newRunState == 3) {
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// transitioned from preheat to retry
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// - first ignition attempt failed, heater will retry
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m_Error = 12; // +1 over displayed error code
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}
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}
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}
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if(m_prevRunState != newRunState) {
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// check for transition to startup
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// - force cancellation of an on request if we generated it
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if(newRunState >= 2) {
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TxManage.queueOnRequest(false); // ensure ON request is cancelled
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}
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// check for transition to shutdown
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// - force cancellation of an off request if we generated it
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if(newRunState >= 7 || newRunState == 0) {
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TxManage.queueOffRequest(false); // ensure OFF request is cancelled
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}
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}
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m_prevRunState = newRunState;
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}
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bool
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CSmartError::checkVolts(float ipVolts, float glowI)
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{
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// check for low voltage
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// values here are x10 integers
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if(NVstore.getHeaterTuning().lowVolts) { // only if enabled
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float cableComp = glowI * 0.1; // allow 1V drop for 10A current (bit naive but better than no compensation)
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float Thresh = NVstore.getHeaterTuning().getLVC() - cableComp; // NVstore
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if(ipVolts < Thresh) {
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m_Error = 2; // +1 over displayed error code
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requestOff();
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return false;
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}
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}
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return true;
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}
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// return our smart error, if it exists, as the registered code
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uint8_t
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CSmartError::getError()
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{
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if(m_Error) {
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return m_Error;
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}
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return 0;
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} |