ESP32_ChinaDieselHeater_Con.../Arduino/BTCDieselHeater/src/OLED/Screen2.cpp

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/*
* 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 "128x64OLED.h"
#include "fonts/tahoma16.h"
#include "fonts/Icons.h"
#include "Screen2.h"
#include "KeyPad.h"
#include "../Protocol/helpers.h"
#include "../Utility/UtilClasses.h"
#define MAXIFONT tahoma_16ptFontInfo
///////////////////////////////////////////////////////////////////////////
//
// CScreen2
//
// This screen provides a basic control function
//
///////////////////////////////////////////////////////////////////////////
CScreen2::CScreen2(C128x64_OLED& display, CScreenManager& mgr) : CScreenHeader(display, mgr)
{
_showSetMode = 0;
_showMode = 0;
_nModeSel = 0;
}
void
CScreen2::show()
{
CScreenHeader::show();
char msg[20];
int xPos, yPos;
sprintf(msg, "%.1f`", getActualTemperature());
{
CTransientFont AF(_display, &MAXIFONT); // temporarily use a large font
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_printMenuText(_display.xCentre(), 25, msg, false, eCentreJustify);
}
// at bottom of screen show either:
// Selection between Fixed or Thermostat mode
// Current heat demand setting
// Run state of heater
if(_showMode) {
const int border = 3;
const int radius = 4;
// Show selection between Fixed or Thermostat mode
long tDelta = millis() - _showMode;
if(tDelta < 0) {
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yPos = _display.height() - _display.textHeight() - border; // bottom of screen, with room for box
// display "Fixed Hz" at lower right, allowing space for a selection surrounding box
strcpy(msg, "Fixed Hz");
xPos = _display.width() - border; // set X position to finish short of RHS
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_printMenuText(xPos, yPos, msg, _nModeSel == 1, eRightJustify);
// display "Thermostat" at lower left, allowing space for a selection surrounding box
strcpy(msg, "Thermostat");
xPos = border;
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_printMenuText(xPos, yPos, msg, _nModeSel == 0);
setThermostatMode(_nModeSel == 0 ? 1 : 0); // set the new mode
}
else {
// cancel selection mode, apply whatever is boxed
_showMode = 0;
_showSetMode = millis() + 5000; // then make the new mode setting be shown
}
}
if((_showMode == 0) && _showSetMode) {
long tDelta = millis() - _showSetMode;
if(tDelta < 0) {
// Show current heat demand setting
if(getHeaterInfo().isThermostat()) {
sprintf(msg, "Setpoint = %.0f`C", getHeaterInfo().getTemperature_Desired());
}
else {
sprintf(msg, "Setpoint = %.1fHz", getHeaterInfo().getPump_Fixed());
}
// centre message at bottom of screen
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_printMenuText(_display.xCentre(), _display.height() - _display.textHeight(), msg, false, eCentreJustify);
}
else {
_showSetMode = 0;
}
}
if((_showMode == 0) && (_showSetMode == 0)) {
showRunState();
}
}
void
CScreen2::keyHandler(uint8_t event)
{
static int repeatCount = -1;
if(event & keyPressed) {
repeatCount = 0; // unlock tracking of repeat events
// press LEFT to select previous screen, or Fixed Hz mode when in mode select
if(event & key_Left) {
if(!_showMode)
_ScreenManager.prevScreen();
else {
_showMode = millis() + 5000;
_nModeSel = 0;
_ScreenManager.reqUpdate();
}
}
// press RIGHT to selecxt next screen, or Thermostat mode when in mode select
if(event & key_Right) {
if(!_showMode)
_ScreenManager.nextScreen();
else {
_showMode = millis() + 5000;
_nModeSel = 1;
_ScreenManager.reqUpdate();
}
}
// press UP & DOWN to toggle thermostat / fixed Hz mode
// impossible with 5 way switch!
uint8_t doubleKey = key_Down | key_Up;
if((event & doubleKey) == doubleKey) {
reqThermoToggle();
_showSetMode = millis() + 2000;
}
}
// use repeat function for key hold detection
if(event & keyRepeat) {
if(repeatCount >= 0) {
repeatCount++;
// hold DOWN to enter thermostat / fixed mode selection
if(event & key_Down) {
if(repeatCount > 2) {
repeatCount = -1; // prevent double handling
_showMode = millis() + 5000;
_nModeSel = getHeaterInfo().isThermostat() ? 0 : 1;
}
}
// hold CENTRE to turn ON or OFF
if(event & key_Centre) {
if(getHeaterInfo().getRunState()) {
// running, request OFF
if(repeatCount > 5) {
repeatCount = -2; // prevent double handling
requestOff();
}
}
else {
// standby, request ON
if(repeatCount > 3) {
repeatCount = -1;
requestOn();
}
}
}
}
}
if(event & keyReleased) {
if(!_showMode) {
// release DOWN key to reduce set demand, provided we are not in mode select
if(event & key_Down) {
reqTempDelta(-1);
_showSetMode = millis() + 2000;
}
// release UP key to increase set demand, provided we are not in mode select
if(event & key_Up) {
reqTempDelta(+1);
_showSetMode = millis() + 2000;
}
}
// release CENTRE to accept new mode, and/or show current setting
if(event & key_Centre) {
if(repeatCount != -2) { // prevent after off commands
if(_showMode) {
_showMode = millis(); // force immediate cancellation of showmode (via screen update)
}
_showSetMode = millis() + 2000;
}
_ScreenManager.reqUpdate();
}
repeatCount = -1;
}
}
void
CScreen2::showRunState()
{
int runstate = getHeaterInfo().getRunState();
int errstate = getHeaterInfo().getErrState();
if(errstate) errstate--; // correct for +1 biased return value
static bool toggle = false;
const char* toPrint = NULL;
_display.setTextColor(WHITE, BLACK);
if(runstate >= 0 && runstate <= 8) {
if(((runstate == 0) || (runstate > 5)) && errstate) {
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// flash error code
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char msg[16];
toggle = !toggle;
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if(toggle) {
// create an "E-XX" message to display
sprintf(msg, "E-%02d", errstate);
}
else {
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strcpy(msg, " ");
}
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int xPos = _display.xCentre();
int yPos = _display.height() - 2*_display.textHeight();
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_printMenuText(xPos, yPos, msg, false, eCentreJustify);
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toPrint = getHeaterInfo().getErrStateStr();
}
else {
if(runstate) {
if(runstate < 5) toPrint = "Starting";
else if(runstate == 5) toPrint = "Running";
else if(runstate == 8) toPrint = "Cooling";
else toPrint = "Shutting down";
}
}
}
if(toPrint) {
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// locate at bottom centre
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_printMenuText(_display.xCentre(), _display.height() - _display.textHeight(), toPrint, false, eCentreJustify);
}
}