ESP32_ChinaDieselHeater_Con.../src/RTC/RTCStore.cpp

265 lines
5.4 KiB
C++
Raw Normal View History

/*
* This file is part of the "bluetoothheater" distribution
* (https://gitlab.com/mrjones.id.au/bluetoothheater)
*
* Copyright (C) 2018 Ray Jones <ray@mrjones.id.au>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include <Arduino.h>
#include "RTCStore.h"
#include "Clock.h"
#include <Wire.h>
#include "../Utility/DebugPort.h"
// RTC storage, using alarm registers as GP storage
// MAXIMUM OF 7 BYTES
//
// [0..3] float fuelGauge strokes
// [4] uint8_t DesiredTemp (typ. 8-35)
// [5] uint8_t DesiredPump (typ. 8-35)
// [6] uint8_t spare
//
// ____________________________________________________
// | b7 | b6 | b5 | b4 | b3 | b2 | b1 | b0 |
// |---------------|------|-----------------------------|
// Byte[4]: | CyclicEngaged | bit6 | Desired Deg Celcius |
// |---------------|------|-----------------------------|
// Byte[5]: | | | Desired Pump Speed |
// ----------------------------------------------------
CRTC_Store::CRTC_Store()
{
_accessed[0] = false;
_accessed[1] = false;
_accessed[2] = false;
_accessed[3] = false;
_fuelgauge = 0;
_demandDegC = 22;
_demandPump = 22;
_CyclicEngaged = false;
_BootInit = true;
_RunTime = 0;
_GlowTime = 0;
}
void
CRTC_Store::begin()
{
if(Clock.lostPower()) {
// RTC lost power - reset internal NV values to defaults
DebugPort.println("CRTC_Store::begin() RTC lost power, re-initialising NV aspect");
_demandPump = _demandDegC = 22;
_CyclicEngaged = false;
setFuelGauge(0);
setDesiredTemp(_demandDegC);
setDesiredPump(_demandPump);
Clock.resetLostPower();
}
getFuelGauge();
getDesiredTemp();
getDesiredPump();
getRunTime();
}
void
CRTC_Store::setFuelGauge(float val)
{
_accessed[0] = true;
_fuelgauge = val;
Clock.saveData((uint8_t*)&val, 4, 0);
}
float
CRTC_Store::getFuelGauge()
{
if(!_accessed[0]) {
float NVval;
Clock.readData((uint8_t*)&NVval, 4, 0);
_fuelgauge = NVval;
_accessed[0] = true;
DebugPort.printf("RTC_Store - read fuel gauge %.2f\r\n", _fuelgauge);
}
return _fuelgauge;
}
void
CRTC_Store::setDesiredTemp(uint8_t val)
{
_demandDegC = val;
_PackAndSaveByte4();
}
uint8_t
CRTC_Store::getDesiredTemp()
{
_ReadAndUnpackByte4();
return _demandDegC;
}
bool
CRTC_Store::getBootInit()
{
_ReadAndUnpackByte4();
return _BootInit;
}
void
CRTC_Store::setBootInit(bool val)
{
_BootInit = val;
_PackAndSaveByte4();
}
bool
CRTC_Store::getCyclicEngaged()
{
_ReadAndUnpackByte4();
return _CyclicEngaged;
}
void
CRTC_Store::setCyclicEngaged(bool active)
{
_CyclicEngaged = active;
_PackAndSaveByte4();
}
void
CRTC_Store::setDesiredPump(uint8_t val)
{
_demandPump = val;
_PackAndSaveByte5();
}
uint8_t
CRTC_Store::getDesiredPump()
{
_ReadAndUnpackByte5();
return _demandPump;
}
void
CRTC_Store::resetRunTime()
{
_RunTime = 0;
_PackAndSaveByte6();
}
void
CRTC_Store::resetGlowTime()
{
_GlowTime = 0;
_PackAndSaveByte6();
}
bool
CRTC_Store::incRunTime()
{
_RunTime++;
_RunTime &= 0x1f;
_PackAndSaveByte6();
return _RunTime == 0;
}
bool
CRTC_Store::incGlowTime()
{
_GlowTime++;
_GlowTime &= 0x07;
_PackAndSaveByte6();
return _GlowTime == 0;
}
int
CRTC_Store::getRunTime()
{
_ReadAndUnpackByte6();
return _RunTime;
}
int
CRTC_Store::getGlowTime()
{
_ReadAndUnpackByte6();
return _GlowTime;
}
void
CRTC_Store::_ReadAndUnpackByte4()
{
if(!_accessed[1]) {
uint8_t NVval = 0;
Clock.readData((uint8_t*)&NVval, 1, 4);
_demandDegC = NVval & 0x3f;
_CyclicEngaged = (NVval & 0x80) != 0;
_BootInit = (NVval & 0x40) != 0;
_accessed[1] = true;
DebugPort.printf("RTC_Store - read byte4: degC=%d, CyclicOn=%d, BootInit=%d\r\n", _demandDegC, _CyclicEngaged, _BootInit);
}
}
void
CRTC_Store::_PackAndSaveByte4()
{
uint8_t NVval = (_CyclicEngaged ? 0x80 : 0x00)
| (_BootInit ? 0x40 : 0x00)
| (_demandDegC & 0x3f);
Clock.saveData((uint8_t*)&NVval, 1, 4);
}
void
CRTC_Store::_ReadAndUnpackByte5()
{
if(!_accessed[2]) {
uint8_t NVval = 0;
Clock.readData((uint8_t*)&NVval, 1, 5);
_demandPump = NVval & 0x3f;
_accessed[2] = true;
DebugPort.printf("RTC_Store - read byte5: pump=%d\r\n", _demandPump);
}
}
void
CRTC_Store::_PackAndSaveByte5()
{
uint8_t NVval = (_demandPump & 0x3f);
Clock.saveData((uint8_t*)&NVval, 1, 5);
}
void
CRTC_Store::_PackAndSaveByte6()
{
uint8_t NVval = ((_GlowTime & 0x07)<<5) | (_RunTime & 0x1f);
Clock.saveData((uint8_t*)&NVval, 1, 6);
}
void
CRTC_Store::_ReadAndUnpackByte6()
{
if(!_accessed[3]) {
uint8_t NVval = 0;
Clock.readData((uint8_t*)&NVval, 1, 6);
_GlowTime = (NVval >> 5) & 0x07;
_RunTime = NVval & 0x1f;
_accessed[3] = true;
DebugPort.printf("RTC_Store - read byte6: glow=%d, run=%d\r\n", _GlowTime, _RunTime);
}
}