Crash_Override
/
ESP32_ChinaDieselHeater_Control
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
ESP32_ChinaDieselHeater_Con.../src/Afterburner/src/RTC/Clock.cpp

358 lines
8.3 KiB
C++
Raw Blame 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 "Clock.h"
#include "BTCDateTime.h"
#include "TimerManager.h"
#include <Wire.h>
//#include "DS3231Ex.h"
#include "../Utility/helpers.h"
#include "../Utility/NVStorage.h"
#include "../Utility/DebugPort.h"
// create ONE of the RTClib supported real time clock classes
#if RTC_USE_DS3231 == 1
RTC_DS3231Ex rtc;
#elif RTC_USE_DS1307 == 1
RTC_DS1307 rtc;
#elif RTC_USE_PCF8523 == 1
RTC_PCF8523 rtc;
#else
RTC_Millis rtc;
#endif
CClock Clock(rtc);
void
CClock::begin()
{
// announce which sort of RTC is being used
#if RTC_USE_DS3231 == 1
DebugPort.println("Using DS3231 Real Time Clock");
#elif RTC_USE_DS1307 == 1
DebugPort.println("Using DS1307 Real Time Clock");
#elif RTC_USE_PCF8523 == 1
DebugPort.println("Using PCF8523 Real Time Clock");
#else
#define SW_RTC // enable different begin() call for the millis() based RTC
DebugPort.println("Using millis() based psuedo \"Real Time Clock\"");
#endif
#ifdef SW_RTC
DateTime zero(2019, 1, 1); // can be pushed along as seen fit!
_rtc.begin(zero);
#else
_rtc.begin();
#endif
_nextRTCfetch = millis();
CTimerManager::createMap();
update();
}
const BTCDateTime&
CClock::update()
{
long deltaT = millis() - _nextRTCfetch;
if(deltaT >= 0) {
uint32_t origClock = Wire.getClock();
Wire.setClock(400000);
_currentTime = _rtc.now(); // moderate I2C accesses
Wire.setClock(origClock);
_nextRTCfetch = millis() + 500;
// _checkTimers();
// check timers upon minute rollovers
if(_currentTime.minute() != _prevMinute) {
CTimerManager::manageTime(_currentTime.hour(), _currentTime.minute(), _currentTime.dayOfTheWeek());
_prevMinute = _currentTime.minute();
}
}
return _currentTime;
}
const BTCDateTime&
CClock::get() const
{
return _currentTime;
}
void
CClock::set(const DateTime& newTimeDate)
{
_rtc.adjust(newTimeDate);
}
void
CClock::saveData(uint8_t* pData, int len, int ofs)
{
_rtc.writeData(pData, len, ofs);
}
void
CClock::readData(uint8_t* pData, int len, int ofs)
{
_rtc.readData(pData, len, ofs);
}
bool
CClock::lostPower()
{
return _rtc.lostPower();
}
void
CClock::resetLostPower()
{
_rtc.resetLostPower();
}
void setDateTime(const char* newTime)
{
DebugPort.printf("setting time to: %s\r\n", newTime);
int month,day,year,hour,minute,second;
if(6 == sscanf(newTime, "%d/%d/%d %d:%d:%d", &day, &month, &year, &hour, &minute, &second)) {
DateTime newDateTime(year, month, day, hour, minute, second);
Clock.set(newDateTime);
}
}
void setDate(const char* newDate)
{
DebugPort.printf("setting date to: %s\r\n", newDate);
int month,day,year;
if(3 == sscanf(newDate, "%d/%d/%d", &day, &month, &year)) {
DateTime currentDateTime = Clock.get();
DateTime newDateTime(year, month, day, currentDateTime.hour(), currentDateTime.minute(), currentDateTime.second());
Clock.set(newDateTime);
}
}
void setTime(const char* newTime)
{
DebugPort.printf("setting time to: %s\r\n", newTime);
int hour,minute,second;
if(3 == sscanf(newTime, "%d:%d:%d", &hour, &minute, &second)) {
DateTime currentDateTime = Clock.get();
DateTime newDateTime(currentDateTime.year(), currentDateTime.month(), currentDateTime.day(), hour, minute, second);
Clock.set(newDateTime);
}
}
#define _I2C_WRITE write
#define _I2C_READ read
void
RTC_DS3231Ex::writeData(uint8_t* pData, int len, int ofs) {
Wire.beginTransmission(DS3231_ADDRESS);
Wire._I2C_WRITE((byte)(7+ofs)); // start at alarm bytes
for(int i=0; i<len; i++) {
Wire._I2C_WRITE(*pData++);
}
Wire.endTransmission();
}
void
RTC_DS3231Ex::readData(uint8_t* pData, int len, int ofs) {
Wire.beginTransmission(DS3231_ADDRESS);
Wire._I2C_WRITE((byte)(7+ofs)); // start at alarm bytes
Wire.endTransmission();
Wire.requestFrom(DS3231_ADDRESS, len);
for(int i=0; i<len; i++) {
*pData++ = Wire._I2C_READ();
}
Wire.endTransmission();
}
void
RTC_DS3231Ex::resetLostPower()
{
Wire.beginTransmission(DS3231_ADDRESS);
Wire._I2C_WRITE(DS3231_STATUSREG);
Wire.endTransmission();
Wire.requestFrom(DS3231_ADDRESS, 1);
uint8_t sts = Wire._I2C_READ();
sts &= 0x7f; // clear power loss flag
Wire.beginTransmission(DS3231_ADDRESS);
Wire._I2C_WRITE(DS3231_STATUSREG);
Wire._I2C_WRITE(sts);
Wire.endTransmission();
}
// 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;
}
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();
}
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::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::_ReadAndUnpackByte4()
{
if(!_accessed[1]) {
uint8_t NVval = 0;
Clock.readData((uint8_t*)&NVval, 1, 4);
_demandDegC = NVval & 0x3f;
_CyclicEngaged = (NVval & 0x80) != 0;
_bit6 = (NVval & 0x40) != 0;
_accessed[1] = true;
DebugPort.printf("RTC_Store - read byte4: degC=%d, CyclicOn=%d, bit6=%d\r\n", _demandDegC, _CyclicEngaged, _bit6);
}
}
void
CRTC_Store::_PackAndSaveByte4()
{
uint8_t NVval = (_CyclicEngaged ? 0x80 : 0x00)
| (_bit6 ? 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);
}
Reference in New Issue View Git Blame Copy Permalink