ESP32_ChinaDieselHeater_Con.../Arduino/BTCDieselHeater/Screen2.cpp

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#include "128x64OLED.h"
#include "display.h"
#include "MiniFont.h"
#include "tahoma16.h"
#include "OLEDconsts.h"
#include "BluetoothAbstract.h"
#include "Screen2.h"
#include "BTCWifi.h"
#include "KeyPad.h"
#include "helpers.h"
#include "Protocol.h"
#include "UtilClasses.h"
#define MAXIFONT tahoma_16ptFontInfo
#define MINIFONT miniFontInfo
CScreen2::CScreen2(C128x64_OLED& display, CScreenManager& mgr) : CScreen(display, mgr)
{
_showSetMode = 0;
_showMode = 0;
_nModeSel = 0;
}
void
CScreen2::show(const CProtocol& CtlFrame, const CProtocol& HtrFrame)
{
CScreen::show(CtlFrame, HtrFrame);
char msg[20];
CRect textRect;
sprintf(msg, "%.1f`", getActualTemperature());
_display.setFontInfo(&MAXIFONT); // Dot Factory Font
_display.getTextExtents(msg, textRect);
textRect.xPos = (_display.width()- textRect.width) / 2;
textRect.yPos = 25;
_display.fillRect(textRect.xPos, textRect.yPos, textRect.width, textRect.height, BLACK);
_display.setCursor(textRect.xPos, textRect.yPos);
_display.print(msg);
_display.setFontInfo(NULL); // standard 5x7 font
// 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) {
// display "Fixed Hz" at lower left, allowing space for a selection surrounding box
strcpy(msg, "Fixed Hz");
_display.getTextExtents(msg, textRect); // size of text to print
textRect.xPos = _display.width()- textRect.width - border; // set X position to finish short of RHS
textRect.yPos = _display.height() - textRect.height - border; // bottom of screen, with room for box
_display.setCursor(textRect.xPos, // centre text in potential box
textRect.yPos);
_display.print(msg); // show the text
if(_nModeSel == 1) { // add selection box if current selection
textRect.Expand(border); // expand about text position
_display.drawRoundRect(textRect.xPos, textRect.yPos, textRect.width, textRect.height, radius, WHITE);
}
// display "Thermostat" at lower right, allowing space for a selection surrounding box
strcpy(msg, "Thermostat");
_display.getTextExtents(msg, textRect);
textRect.xPos = border;
textRect.yPos = _display.height() - textRect.height - border; // bottom of screen, with room for box
_display.setCursor(textRect.xPos, // centre text in potential box
textRect.yPos);
_display.print(msg); // show the text
if(_nModeSel == 0) { // add selection box if current selection
textRect.Expand(border); // expand about text position
_display.drawRoundRect(textRect.xPos, textRect.yPos, textRect.width, textRect.height, radius, WHITE);
}
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(getThermostatMode()) {
sprintf(msg, "Setpoint = %d`C", getSetTemp());
}
else {
sprintf(msg, "Setpoint = %.1fHz", getFixedHz());
}
// centre message at bottom of screen
_display.getTextExtents(msg, textRect);
_display.setCursor(_display.xCentre(),
_display.height() - textRect.height);
_display.printCentreJustified(msg);
}
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)
_Manager.prevScreen();
else {
_showMode = millis() + 5000;
_nModeSel = 0;
reqDisplayUpdate();
}
}
// press RIGHT to selecxt next screen, or Thermostat mode when in mode select
if(event & key_Right) {
if(!_showMode)
_Manager.nextScreen();
else {
_showMode = millis() + 5000;
_nModeSel = 1;
reqDisplayUpdate();
}
}
// 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 = getThermostatMode() ? 0 : 1;
}
}
// hold CENTRE to turn ON or OFF
if(event & key_Centre) {
if(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) {
reqTempChange(-1);
_showSetMode = millis() + 2000;
}
// release UP key to increase set demand, provided we are not in mode select
if(event & key_Up) {
reqTempChange(+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;
}
reqDisplayUpdate();
}
repeatCount = -1;
}
}
void
CScreen2::showRunState()
{
int runstate = getRunState();
int errstate = 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) {
// create an "E-XX" message to display
char msg[16];
sprintf(msg, "E-%02d", errstate);
// determine height of font
CRect textRect;
_display.getTextExtents(msg, textRect);
_display.setCursor(_display.xCentre(), // locate at bottom centre, 1 line up
_display.height() - 2*textRect.height);
// flash error code
toggle = !toggle;
if(toggle)
_display.printCentreJustified(msg);
else {
_display.printCentreJustified(" ");
}
// bounds limit error and gather message
if(errstate > 10) errstate = 11;
toPrint = Errstates[errstate-1];
}
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) {
// determine height of font
CRect textRect;
_display.getTextExtents(toPrint, textRect);
_display.setCursor(_display.xCentre(), // locate at bottom centre
_display.height() - textRect.height);
_display.printCentreJustified(toPrint);
}
}