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CO2_Gadget_EINK.h
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CO2_Gadget_EINK.h
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// https://rop.nl/truetype2gfx/ to convert fonts to .h files
// https://oleddisplay.squix.ch/#/home
// https://tchapi.github.io/Adafruit-GFX-Font-Customiser/
#ifndef CO2_Gadget_EINK_h
#define CO2_Gadget_EINK_h
#ifdef SUPPORT_EINK
// #define DEBUG_EINK
// clang-format off
/*****************************************************************************************************/
/********* *********/
/********* SETUP EINK DISPLAY FUNCTIONALITY *********/
/********* *********/
/*****************************************************************************************************/
// clang-format on
#include <GxEPD2_BW.h>
uint16_t redrawDisplayEveryCycles = 10; // Redraw display every X partial updates
uint16_t cyclesLeftToRedrawDisplay = 0; // Cycles left to redraw display
#if defined(EINKBOARDDEPG0213BN) || defined(EINKBOARDGDEM0213B74) || defined(EINKBOARDGDEW0213M21)
#include "bootlogo.h"
#include "icons.h"
// #define EPD_SCLK SCK
// #define EPD_MISO 17
// #define EPD_DC 17
// #define EPD_MOSI MOSI
// #define EPD_CS SS
// #define EPD_RST 16
// #define EPD_BUSY 4
#ifdef EINKBOARDDEPG0213BN
#include <Digits_NotoSans_Bold46pt7b.h>
#include <NotoSans_SemiCondensed_Bold10pt7b.h>
const GFXfont SmallFont = NotoSans_SemiCondensed_Bold10pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold46pt7b;
int displayWidth = 250;
int displayHeight = 122;
uint16_t resetDuration = 2;
GxEPD2_BW<GxEPD2_213_BN, GxEPD2_213_BN::HEIGHT> display(GxEPD2_213_BN(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // DEPG0213BN https://s.click.aliexpress.com/e/_DDFb2gl
#endif
#ifdef EINKBOARDGDEM0213B74
#include <Digits_NotoSans_Bold46pt7b.h>
#include <NotoSans_SemiCondensed_Bold10pt7b.h>
const GFXfont SmallFont = NotoSans_SemiCondensed_Bold10pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold46pt7b;
int displayWidth = 250;
int displayHeight = 122;
uint16_t resetDuration = 2;
GxEPD2_BW<GxEPD2_213_B74, GxEPD2_213_B74::HEIGHT> display(GxEPD2_213_B74(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEM0213B74 https://s.click.aliexpress.com/e/_DDFb2gl
#endif
#ifdef EINKBOARDGDEW0213M21
#include <Digits_NotoSans_Bold38pt7b.h>
#include <NotoSans_Bold6pt7b.h>
const GFXfont SmallFont = NotoSans_Bold6pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold38pt7b;
int displayWidth = 212;
int displayHeight = 104;
uint16_t resetDuration = 2;
// GxEPD2_BW<GxEPD2_213_flex, GxEPD2_213_flex ::HEIGHT> display(GxEPD2_213_flex(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY));
// GxEPD2_BW<GxEPD2_213_T5D, GxEPD2_213_T5D ::HEIGHT> display(GxEPD2_213_T5D(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY));
GxEPD2_BW<GxEPD2_213_M21, GxEPD2_213_M21 ::HEIGHT> display(GxEPD2_213_M21(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEW0213M21 104x212, SSD1608 (GDEW0213Z16LW) https://s.click.aliexpress.com/e/_DDFb2gl
#endif
#endif
#ifdef EINKBOARDGDEM029T94
#include <Digits_NotoSans_Bold48pt7b.h>
#include <NotoSans_Bold6pt7b.h>
const GFXfont SmallFont = NotoSans_Bold6pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold48pt7b;
int displayWidth = 296;
int displayHeight = 128;
uint16_t resetDuration = 2;
#include "bootlogo.h" // Made with https://javl.github.io/image2cpp/
#include "icons.h"
// #define EPD_SCLK SCK
// #define EPD_MISO 17
// #define EPD_MOSI MOSI
// #define EPD_CS SS
// #define EPD_DC 27
// #define EPD_RST 25
// #define EPD_BUSY 32
GxEPD2_BW<GxEPD2_290_T94, GxEPD2_290_T94::HEIGHT> display(GxEPD2_290_T94(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEM029T94
// GxEPD2_BW<GxEPD2_290_T94_V2, GxEPD2_290_T94_V2::HEIGHT> display(GxEPD2_290_T94_V2(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEM029T94 V2 GDEM029T94 128x296, SSD1680, (FPC-7519 rev.b), Waveshare 2.9" V2 variant
// GxEPD2_BW<GxEPD2_290_BS, GxEPD2_290_BS::HEIGHT> display(GxEPD2_290_BS(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEM029T94 BS
// GxEPD2_BW<GxEPD2_290_GDEY029T94, GxEPD2_290_GDEY029T94::HEIGHT> display(GxEPD2_290_GDEY029T94(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEY029T94 128x296, SSD1680, (FPC-A005 20.06.15)
// GxEPD2_BW<GxEPD2_290_T5, GxEPD2_290_T5::HEIGHT> display(GxEPD2_290_T5(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEW029T5
// GxEPD2_BW<GxEPD2_290_T5, GxEPD2_290_T5::HEIGHT> display(GxEPD2_290_T5(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEW029T5 with special pinout
#endif
#ifdef EINKBOARD_WEACT_DEPG0213BN
#include <Digits_NotoSans_Bold46pt7b.h>
#include <NotoSans_SemiCondensed_Bold10pt7b.h>
const GFXfont SmallFont = NotoSans_SemiCondensed_Bold10pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold46pt7b;
int displayWidth = 250;
int displayHeight = 122;
uint16_t resetDuration = 50;
#include "bootlogo.h" // Made with https://javl.github.io/image2cpp/
#include "icons.h"
GxEPD2_BW<GxEPD2_213_BN, GxEPD2_213_BN::HEIGHT> display(GxEPD2_213_BN(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // DEPG0213BN https://s.click.aliexpress.com/e/_DDvVZ4N
#endif
#ifdef EINKBOARD_WEACT_GDEH0154D67
#include <Digits_NotoSans_Bold38pt7b.h>
#include <NotoSans_SemiCondensed_Bold10pt7b.h>
const GFXfont SmallFont = NotoSans_SemiCondensed_Bold10pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold38pt7b;
int displayWidth = 200;
int displayHeight = 200;
uint16_t resetDuration = 50;
#include "bootlogo.h" // Made with https://javl.github.io/image2cpp/
#include "icons.h"
GxEPD2_BW<GxEPD2_154_D67, GxEPD2_154_D67::HEIGHT> display(GxEPD2_154_D67(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEH0154D67 200x200, SSD1681 https://s.click.aliexpress.com/e/_DDvVZ4N
#endif
#ifdef EINKBOARD_WEACT_GxEPD2_290_BS
#include <Digits_NotoSans_Bold48pt7b.h>
#include <NotoSans_SemiCondensed_Bold10pt7b.h>
const GFXfont SmallFont = NotoSans_SemiCondensed_Bold10pt7b;
const GFXfont BigFont = Digits_NotoSans_Bold48pt7b;
int displayWidth = 200;
int displayHeight = 200;
uint16_t resetDuration = 50;
#include "bootlogo.h" // Made with https://javl.github.io/image2cpp/
#include "icons.h"
GxEPD2_BW<GxEPD2_290_BS, GxEPD2_290_BS::HEIGHT> display(GxEPD2_290_BS(EPD_CS, EPD_DC, EPD_RST, EPD_BUSY)); // GDEM029C90 As WeAct Studio 2.9" 296x128 E-Ink Display
#endif
// Define a structure for the locations of elements
struct ElementLocations {
u_int16_t bifFontDigitsHeight;
u_int16_t smallFontDigitsHeight;
int32_t co2X;
int32_t co2Y;
int32_t co2W;
int32_t co2H;
int32_t tempXUnits;
int32_t tempYUnits;
int32_t tempXValue;
int32_t tempYValue;
int32_t tempWValue;
int32_t tempHValue;
int32_t humidityXIcon;
int32_t humidityYUnits;
int32_t humidityXValue;
int32_t humidityYValue;
int32_t humidityWValue;
int32_t humidityHValue;
int32_t co2XUnits;
int32_t co2YUnits;
int32_t batteryIconX;
int32_t batteryIconY;
int32_t batteryVoltageX;
int32_t batteryVoltageY;
int32_t wifiIconX;
int32_t wifiIconY;
int32_t mqttIconX;
int32_t mqttIconY;
int32_t bleIconX;
int32_t bleIconY;
int32_t espNowIconX;
int32_t espNowIconY;
};
// Define an instance of the structure for the chosen resolution
ElementLocations elementPosition;
// Function to set element locations based on screen resolution
void setElementLocations() {
int16_t tbx, tby;
uint16_t tbw, tbh;
// Get font sizes for text bounds
display.setFont(&BigFont);
display.getTextBounds("0000", 0, 0, &tbx, &tby, &tbw, &tbh); // Set elementPosition.bifFontDigitsHeight to tbh and elementPosition.co2W to tbw for static assignment
elementPosition.bifFontDigitsHeight = tbh;
display.setFont(&SmallFont);
display.getTextBounds("0000", 0, 0, &tbx, &tby, &tbw, &tbh);
elementPosition.smallFontDigitsHeight = tbh;
// Common positions for most displays
elementPosition.co2X = 2; // Left screen
elementPosition.co2Y = 16 + 8; // Center text in screen. 32 is the size of 16 + 16 pixels of upper and down icon lines
elementPosition.co2W = display.width() - 16;
elementPosition.co2H = (display.height() - 32); // 32 is the size of 16 + 16 pixels of upper and down icon lines
elementPosition.co2XUnits = 16; // Display is rotated so vertical orientation (swaped width & height)
elementPosition.co2YUnits = display.width() - elementPosition.smallFontDigitsHeight - 4;
elementPosition.tempXUnits = 0; // down left corner
elementPosition.tempYUnits = display.height() - 16;
elementPosition.tempXValue = 16 + 4; // down left corner iconTemp + 4px
elementPosition.tempYValue = elementPosition.tempYUnits;
elementPosition.tempWValue = 48; // width of temp value box
elementPosition.tempHValue = 16;
elementPosition.humidityWValue = 40;
elementPosition.humidityXIcon = display.width() - 16 - elementPosition.humidityWValue - 4; // 4 pixels between iconHumidity and humidity
elementPosition.humidityYUnits = display.height() - 16;
elementPosition.humidityHValue = 16;
elementPosition.humidityXValue = elementPosition.humidityXIcon + 16 + 4; // 4 pixels between iconHumidity and humidity
elementPosition.humidityYValue = elementPosition.humidityYUnits;
elementPosition.batteryIconX = display.width() - 32;
elementPosition.batteryIconY = 2;
elementPosition.batteryVoltageX = display.width() - 92;
elementPosition.batteryVoltageY = 0;
elementPosition.bleIconX = 0;
elementPosition.bleIconY = 0;
elementPosition.wifiIconX = 24; // 16 pixels bleIcon + 8 pixels between icons
elementPosition.wifiIconY = 0;
elementPosition.mqttIconX = 48; // 16 + 8 + 16 pixels wifiIcon + 8 pixels between icons
elementPosition.mqttIconY = 0;
elementPosition.espNowIconX = 72; // 16 + 8 + 16 + 8 + 16 pixels mqttIcon + 8 pixels between icons
elementPosition.espNowIconY = 0;
#if defined(EINKBOARDDEPG0213BN) || defined(EINKBOARDGDEM0213B74) || defined(EINKBOARDGDEM029T94)
;
#endif
#if defined(EINKBOARDGDEW0213M21)
elementPosition.co2Y = 16 + 6;
#endif
#if defined(EINKBOARDEINKBOARD_WEACT_DEPG0213BN)
;
#endif
#if defined(EINKBOARD_WEACT_GDEH0154D67)
elementPosition.co2Y = 16 + 4; // Center text in screen. 32 is the size of 16 + 16 pixels of upper and down icon lines
elementPosition.co2XUnits = ((display.width() / 4) + (elementPosition.bifFontDigitsHeight / 2) - 8); // Display is rotated so vertical orientation (swaped width & height)
#endif
#if defined(EINKBOARD_WEACT_GxEPD2_290_BS)
;
#endif
}
void turnOffDisplay() {
// Ignore for eInk displays
}
void displaySleep(bool value = true) // https://github.com/Bodmer/TFT_eSPI/issues/715
{
display.hibernate(); // TODO: Investigate display.hibernate() vs display.powerOff(). Check if this is the correct way to turn off the display. Specially for GDEM029T94
// display.powerOff();
if (value) {
display.powerOff(); // Send command to put the display to sleep.
delay(10); // Delay for shutdown time before another command can be sent.
}
}
// Function to set the display rotation
void setDisplayRotation(int rotation) {
if (rotation == 1) {
display.setRotation(displayReverse ? 3 : 1);
} else if (rotation == 4) {
display.setRotation(displayReverse ? 2 : 4);
} else {
display.setRotation(rotation); // Default behavior for other values
}
// shouldRedrawDisplay = true;
}
/**
* Draws text on the display with alignment options.
*
* @param x The x-coordinate of the top-left corner of the bounding box.
* @param y The y-coordinate of the top-left corner of the bounding box.
* @param w The width of the bounding box.
* @param h The height of the bounding box.
* @param text The text to be displayed.
* @param h_align The horizontal alignment of the text. Options: 'l' (left), 'c' (centered), 'r' (right). Default: 'c'.
* @param v_align The vertical alignment of the text. Options: 'u' (upper), 'c' (centered), 'd' (down). Default: 'c'.
*/
void drawTextAligned(int16_t x, int16_t y, int16_t w, int16_t h, const String text, char h_align = 'c', char v_align = 'c') {
int16_t tbx, tby;
uint16_t tbw, tbh;
uint16_t pos_x, pos_y;
// Calculate text bounds
display.getTextBounds(text, 0, 0, &tbx, &tby, &tbw, &tbh);
switch (h_align) {
case 'r': // right
pos_x = x + w - tbw;
break;
case 'c': // centered
pos_x = x + (w / 2) - (tbw / 2);
break;
case 'l': // left
default:
pos_x = x;
break;
}
switch (v_align) {
case 'd': // down
pos_y = y + h;
break;
case 'c': // centered
pos_y = y + (h / 2) + (tbh / 2);
break;
case 'u': // upper
default:
pos_y = y + tbh;
break;
}
// Display text
display.setCursor(pos_x, pos_y);
display.print(text);
}
void displaySplashScreen(bool fullRefresh = false) {
uint16_t LogoWidth = 180;
uint16_t LogoHeight = 45;
uint16_t LogoX = (display.width() - LogoWidth) / 2;
uint16_t LogoY = (display.height() - LogoHeight) / 2;
if (fullRefresh) {
display.setFullWindow(); // Activate full screen refresh
display.firstPage(); // Clear screen
do {
display.fillScreen(GxEPD_WHITE);
display.drawInvertedBitmap(LogoX + 4, LogoY, Logo180x45, LogoWidth, LogoHeight, GxEPD_BLACK);
} while (display.nextPage()); // Do full refresh
} else {
display.setPartialWindow(0, 0, display.width(), display.height()); // Enable partial refresh
display.fillRect(0, 0, display.width(), display.height(), GxEPD_WHITE);
display.drawInvertedBitmap(LogoX + 4, LogoY, Logo180x45, LogoWidth, LogoHeight, GxEPD_BLACK);
#ifdef DEBUG_EINK
drawTextAligned(0, 0, display.width(), elementPosition.smallFontDigitsHeight + 8, "v" + String(CO2_GADGET_VERSION) + "." + String(CO2_GADGET_REV), 'c', 'u');
Serial.println("-->[EINK] Text drawn at: " + String(0) + ", " + String(LogoY + LogoHeight / 2 + 8) + " with width: " + String(display.width()) + " and height: " + String(elementPosition.smallFontDigitsHeight + 8) + " in: " + __func__ + "()");
drawTextAligned(0, elementPosition.smallFontDigitsHeight + 8, display.width(), elementPosition.smallFontDigitsHeight + 8, String(FLAVOUR), 'c', 'u');
Serial.println("-->[EINK] Text drawn at: " + String(0) + ", " + String(LogoY - LogoHeight / 2 - 8) + " with width: " + String(display.width()) + " and height: " + String(elementPosition.smallFontDigitsHeight + 8) + " in: " + __func__ + "()");
#endif
drawTextAligned(0, display.height() - elementPosition.smallFontDigitsHeight - 8, display.width(), elementPosition.smallFontDigitsHeight + 8, String("https://emariete.com/co2"), 'c', 'u');
display.displayWindow(0, 0, display.width(), display.height()); // Partial update
}
}
/***************************************************************************************
** Function name: displayNotification
** Description: Display a boxed notification in the display
***************************************************************************************/
// parameters:
// notificationText = string to display.
// notificationTypes one of enum notificationTypes notifyNothing, notifyInfo, notifyWarning, notifyError
bool displayNotification(String notificationText, notificationTypes notificationType) {
uint16_t textColor, boxColor, backgroundColor, boxMarging = 15;
return true;
}
bool displayNotification(String notificationText, String notificationText2, notificationTypes notificationType) {
uint16_t textColor, boxColor, backgroundColor, boxMarging = 15;
return true;
}
// busyCallback function called during waiting for BUSY to end, to light sleep or service other tasks
void busyCallback(const void* p) {
#ifdef DEBUG_EINK
// Serial.println("Serial.println("[EINK] busyCallback light sleep");
#endif
esp_sleep_enable_timer_wakeup(0.2 * 1000000); // 0.2 seconds
Serial.flush();
#ifdef TIMEDEBUG
timerLightSleep.resume();
#endif
esp_light_sleep_start();
#ifdef TIMEDEBUG
timerLightSleep.pause();
#endif
}
void busyHighPerformanceCallback(const void* p) {
#ifdef DEBUG_EINK
// Serial.println("[EINK] busyHighPerformanceCallback light sleep");
#endif
menuLoop();
}
void setDisplayReverse(bool reverse) {
if (reverse) {
Serial.printf("-->[EINK] Set display reverse\n");
setDisplayRotation(3);
} else {
Serial.printf("-->[EINK] Set display normal\n");
setDisplayRotation(1);
}
shouldRedrawDisplay = true;
}
void initDisplayFromDeepSleep(bool forceRedraw = false) {
RTC_DATA_ATTR static bool firstBoot = true;
SPI.begin(EPD_SCLK, EPD_MISO, EPD_MOSI);
display.epd2.setBusyCallback(busyCallback); // register callback to be called during BUSY active time
setElementLocations();
if (firstBoot) {
forceRedraw = true;
display.init(115200, true, resetDuration, false);
firstBoot = false;
} else {
display.init(115200, false, resetDuration, false);
}
// Set default options to draw
setDisplayRotation(1);
// display.setRotation(1);
display.setFont(&SmallFont);
// display.setTextColor(GxEPD_BLACK);
// display.setFullWindow();
// display.setPartialWindow(0, 0, display.width(), display.height());
#ifdef DEBUG_EINK
// Serial.println("-->[EINK] Width: " + String(display.width()) + ", Height: " + String(display.height()));
#endif
// Each cyclesToRedrawDisplay boots do a full screen refresh
if (forceRedraw) {
#ifdef DEBUG_EINK
Serial.print("-->[EINK] Initializing display from deep sleep with full refresh from: ");
Serial.println(__func__);
#endif
display.fillScreen(GxEPD_WHITE);
display.display();
// deepSleepData.cyclesToRedrawDisplay = cyclesToRedrawDisplay;
} else {
#ifdef DEBUG_EINK
Serial.print("-->[EINK] Initializing display from deep sleep with partial refresh from: ");
Serial.println(__func__);
#endif
// display.setPartialWindow(0, 0, display.width(), display.height());
// display.fillRect(20, 45, display.width() - 40, display.height() - 40, GxEPD_WHITE);
// display.fillRect(0, 0, display.width(), display.height(), GxEPD_WHITE);
// display.displayWindow(0, 0, display.width(), display.height());
}
}
void initDisplay(bool fastMode = false) {
#ifdef DEBUG_EINK
if (fastMode) {
Serial.print("-->[EINK] Initializing display in fast mode from: ");
Serial.println(__func__);
} else {
Serial.print("-->[EINK] Initializing display in normal mode from: ");
Serial.println(__func__);
}
#endif
display.epd2.setBusyCallback(busyHighPerformanceCallback); // register callback to be called during BUSY active time (attend menu)
SPI.begin(EPD_SCLK, EPD_MISO, EPD_MOSI);
// display.init(115200, true, resetDuration, false);
display.init(115200, !fastMode, resetDuration, false);
#ifdef DEBUG_EINK
int a = SCK, b = EPD_MISO, c = MOSI, d = SS, e = EPD_DC, f = EPD_RST, g = EPD_BUSY;
Serial.println("-->[EINK] SPI pins: SCK: " + String(a) + ", MISO: " + String(b) + ", MOSI: " + String(c) + ", SS: " + String(d) + ", DC: " + String(e) + ", RST: " + String(f) + ", BUSY: " + String(g));
Serial.println("-->[EINK] Display hasPartialUpdate " + String(display.epd2.hasPartialUpdate));
Serial.println("-->[EINK] Display hasFastPartialUpdate " + String(display.epd2.hasFastPartialUpdate));
#endif
// Set default options to draw
setDisplayRotation(1);
display.setFont(&SmallFont);
display.setTextColor(GxEPD_BLACK);
// display.setFullWindow();
// display.setPartialWindow(0, 0, display.width(), display.height());
setElementLocations();
displaySplashScreen();
}
void showBatteryIcon(int32_t posX, int32_t posY, bool forceRedraw) {
publishMQTTLogData("-->[EINK] Battery Level: " + String(batteryLevel) + "% Battery voltage: " + String(batteryVoltage) + "V");
display.fillRect(posX, posY, display.width() - posX, 16, GxEPD_WHITE);
if (!displayShowBattery) return;
if (workingOnExternalPower) {
// display.drawRoundRect(posX + 8, posY, 16 + 6, 16 + 6, 2, GxEPD_BLACK);
display.drawBitmap(posX + 16, posY, iconUSB, 16, 16, GxEPD_WHITE, GxEPD_BLACK);
} else {
display.fillRect(posX, posY + 4, 2, 6, GxEPD_BLACK);
display.drawRoundRect(posX + 2, posY, 27, 14, 3, GxEPD_BLACK); // Battery outter rectangle
if (batteryLevel > 80) {
display.fillRect(posX + 6, posY + 2, 4, 10, GxEPD_BLACK);
}
if (batteryLevel > 60) {
display.fillRect(posX + 11, posY + 2, 4, 10, GxEPD_BLACK);
}
if (batteryLevel > 40) {
display.fillRect(posX + 16, posY + 2, 4, 10, GxEPD_BLACK);
}
if (batteryLevel > 20) {
display.fillRect(posX + 21, posY + 2, 4, 10, GxEPD_BLACK);
}
}
}
void showCO2(uint16_t co2, int32_t posX, int32_t posY, bool forceRedraw) {
RTC_DATA_ATTR static uint16_t oldCO2Value = 0;
if (!forceRedraw && (co2 == oldCO2Value)) return;
if ((co2 == 0) || (co2 > 9999)) return;
setDisplayRotation(1);
display.setPartialWindow(0, 0, display.width(), display.height());
display.fillRoundRect(0, elementPosition.co2Y, display.width(), elementPosition.bifFontDigitsHeight + 10, 6, GxEPD_WHITE); // 10 = 2px for top and bottom rectangle borders + 8px for top and bottom margin
display.drawRoundRect(0, elementPosition.co2Y, display.width(), elementPosition.bifFontDigitsHeight + 10, 6, GxEPD_BLACK);
setDisplayRotation(4);
display.setFont(&SmallFont);
drawTextAligned(elementPosition.co2XUnits, elementPosition.co2YUnits, elementPosition.co2H - 5, elementPosition.smallFontDigitsHeight + 3, "PPM", 'c', 'b');
setDisplayRotation(1);
display.setFont(&BigFont);
display.setTextColor(GxEPD_BLACK);
drawTextAligned(elementPosition.co2X, elementPosition.co2Y + 2, elementPosition.co2W, elementPosition.bifFontDigitsHeight, String(co2), 'c', 'b');
#ifdef DEBUG_EINK
Serial.println("-->[EINK] CO2 value width: " + String(elementPosition.co2W) + " and height: " + String(elementPosition.co2H) + " in: " + __func__);
#endif
oldCO2Value = co2;
}
void showHumidity(float hum, int32_t posX, int32_t posY, bool forceRedraw) {
RTC_DATA_ATTR static float oldHumiValue = -200;
if (!displayShowHumidity) return;
String humidityStr;
if (!forceRedraw && (hum == oldHumiValue)) return;
if ((hum == 0) && (temp == 0)) return;
setDisplayRotation(1);
display.setPartialWindow(0, 0, display.width(), display.height());
display.drawBitmap(elementPosition.humidityXIcon, elementPosition.humidityYUnits, iconHumidityBW, 16, 16, GxEPD_BLACK);
display.fillRect(elementPosition.humidityXValue, elementPosition.humidityYValue, elementPosition.humidityWValue, elementPosition.humidityHValue, GxEPD_WHITE); // Clear previous humidity value
display.setFont(&SmallFont);
display.setTextColor(GxEPD_BLACK);
humidityStr = String(int(hum)) + "%";
drawTextAligned(elementPosition.humidityXValue, elementPosition.humidityYValue, elementPosition.humidityWValue, elementPosition.humidityHValue, humidityStr, 'l', 'c');
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Drawn humidity value: " + humidityStr + " at: " + String(posX) + ", " + String(posY) + " with width: " + String(elementPosition.humidityWValue) + " and height: " + String(elementPosition.humidityHValue) + " in: " + __func__);
#endif
oldHumiValue = hum;
}
void showTemperature(float temp, int32_t posX, int32_t posY, bool forceRedraw) {
RTC_DATA_ATTR static float oldTempValue = -200;
if (!displayShowTemperature) return;
String tempStr;
if (!forceRedraw && (temp == oldTempValue)) return;
if ((temp == 0) && (hum == 0)) return;
setDisplayRotation(1);
display.setPartialWindow(0, 0, display.width(), display.height());
display.drawBitmap(elementPosition.tempXUnits, elementPosition.tempYUnits, iconTempBW, 16, 16, GxEPD_BLACK);
display.fillRect(elementPosition.tempXValue, elementPosition.tempYValue, elementPosition.tempWValue, elementPosition.tempHValue, GxEPD_WHITE); // Clear previous temperature value
display.setFont(&SmallFont);
display.setTextColor(GxEPD_BLACK);
if (showFahrenheit) {
tempStr = String(tempFahrenheit, 1) + "F";
} else {
tempStr = String(temp, 1) + "C";
}
drawTextAligned(elementPosition.tempXValue, elementPosition.tempYValue, elementPosition.tempWValue, elementPosition.tempHValue, tempStr, 'l', 'c');
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Drawn temperature value: " + tempStr + " at: " + String(posX) + ", " + String(posY) + " with width: " + String(elementPosition.humidityWValue) + " and height: " + String(elementPosition.humidityHValue) + " in: " + __func__);
#endif
oldTempValue = temp;
}
void showBLEIcon(int32_t posX, int32_t posY, bool forceRedraw) {
// display.fillRect(posX, posY, 16+6, 16+6, GxEPD_WHITE);
// display.drawRoundRect(posX, posY, 16 + 6, 16 + 6, 2, GxEPD_BLACK);
if (activeBLE) {
display.drawBitmap(posX, posY, iconBluetoothBW, 16, 16, GxEPD_BLACK);
} else {
// if it's not active I think is better not to display it.
display.fillRect(posX, posY, 16, 16, GxEPD_WHITE);
// display.drawInvertedBitmap(posX, posY, iconBluetoothBW, 16, 16, GxEPD_BLACK);
}
}
void showWiFiIcon(int32_t posX, int32_t posY, bool forceRedraw) {
display.fillRect(posX, posY, 16, 16, GxEPD_WHITE);
#ifdef SUPPORT_CAPTIVE_PORTAL
// If captivePortalActive = true; draw a filled circle instead of the WiFi icon. If forceCaptivePortalActive is also true, draw a non filled circle
if (captivePortalActive) {
if (forceCaptivePortalActive) {
display.drawCircle(posX + 8, posY + 8, 6, GxEPD_BLACK);
} else {
display.fillCircle(posX + 8, posY + 8, 6, GxEPD_BLACK);
}
return;
}
#endif
int8_t rssi = WiFi.RSSI();
if (troubledWIFI) {
display.drawBitmap(posX, posY, iconWiFi, 16, 16, GxEPD_BLACK);
return;
}
// display.drawRoundRect(posX, posY, 16 + 6, 16 + 6, 2, GxEPD_BLACK);
if (!activeWIFI) {
// when is disabled I think is better show nothing but for debug purposes show it in inverse mode
display.drawBitmap(posX, posY, iconWiFi, 16, 16, GxEPD_BLACK);
} else {
if (WiFi.status() == WL_CONNECTED) {
if (rssi < 60)
display.drawInvertedBitmap(posX, posY, iconWiFi, 16, 16, GxEPD_BLACK);
else if (rssi < 70)
display.drawInvertedBitmap(posX, posY, iconWiFiMed, 16, 16, GxEPD_BLACK);
else if (rssi < 80)
display.drawInvertedBitmap(posX, posY, iconWiFiMed, 16, 16, GxEPD_BLACK);
} else {
display.drawInvertedBitmap(posX, posY, iconWiFiLow, 16, 16, GxEPD_BLACK);
}
}
}
void showMQTTIcon(int32_t posX, int32_t posY, bool forceRedraw) {
#ifdef SUPPORT_MQTT
display.fillRect(posX, posY, 16, 16, GxEPD_WHITE);
if (activeMQTT) {
if (troubledMQTT) {
display.drawBitmap(posX, posY, iconMQTT, 16, 16, GxEPD_BLACK);
} else {
display.drawInvertedBitmap(posX, posY, iconMQTT, 16, 16, GxEPD_BLACK);
}
}
#endif
}
void showEspNowIcon(int32_t posX, int32_t posY, bool forceRedraw) {
#ifdef SUPPORT_ESPNOW
display.fillRect(posX, posY, 16, 16, GxEPD_WHITE);
if (activeESPNOW) {
if (troubledESPNOW) {
// display.drawRoundRect(posX, posY, 16 + 6, 16 + 6, 2, GxEPD_BLACK);
display.drawBitmap(posX, posY, iconEspNow, 16, 16, GxEPD_BLACK);
return;
} else {
display.drawInvertedBitmap(posX, posY, iconEspNow, 16, 16, GxEPD_BLACK);
}
// // display.drawRoundRect(posX, posY, 16 + 6, 16 + 6, 2, GxEPD_BLACK);
// if (!activeESPNOW) {
// // when is disabled I think is better show nothing but for debug purposes show it in inverse mode
// display.drawBitmap(posX, posY, iconEspNow, 16, 16, GxEPD_BLACK);
// } else {
// display.drawInvertedBitmap(posX, posY, iconEspNow, 16, 16, GxEPD_BLACK);
// }
}
#endif
}
void testRedrawValues(bool randomNumbers = false) {
static String textToDraw = "1234";
static String textDrawn = "1234";
static uint64_t lastTimeDrawn = 0;
if (millis() - lastTimeDrawn < 5000) {
return;
}
display.setPartialWindow(0, 0, display.width(), display.height());
display.setTextColor(GxEPD_WHITE);
display.setFont(&BigFont);
display.setTextSize(1);
display.setCursor(10, 100);
display.print(textDrawn);
display.setFont(&SmallFont);
if (randomNumbers) textToDraw = String(random(400, 2000));
display.setTextColor(GxEPD_BLACK);
display.setFont(&BigFont);
display.setTextSize(1);
display.setCursor(0, 100);
display.print(textToDraw);
display.setFont(&SmallFont);
textDrawn = textToDraw;
lastTimeDrawn = millis();
}
#ifdef EINKBOARDGDEM0213B74
void displayShowValues(bool forceRedraw = false) {
static uint32_t lastDisplayUpdate = 0;
if (isDownloadingBLE) return; // Do not update display while downloading BLE data to MyAmbiance
if (shouldRedrawDisplay) {
forceRedraw = true;
shouldRedrawDisplay = false;
}
// Return if last update less than 15 seconds ago
if (!forceRedraw && (millis() - lastDisplayUpdate < 10000)) {
return;
}
if ((!forceRedraw) && (co2 == 0)) {
return;
}
lastDisplayUpdate = millis();
#ifdef TIMEDEBUG
timer.start();
#endif
if (cyclesLeftToRedrawDisplay > 0) {
cyclesLeftToRedrawDisplay--;
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Cycles left to full refresh of display: " + String(cyclesLeftToRedrawDisplay));
#endif
} else {
cyclesLeftToRedrawDisplay = redrawDisplayEveryCycles;
forceRedraw = true;
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Forcing full refresh of display");
#endif
}
if (forceRedraw) {
display.fillScreen(GxEPD_WHITE);
display.clearScreen(GxEPD_WHITE);
}
showCO2(co2, elementPosition.co2X, elementPosition.co2Y, forceRedraw);
showTemperature(temp, elementPosition.tempXValue, elementPosition.tempYValue, forceRedraw);
showHumidity(hum, elementPosition.humidityXValue, elementPosition.humidityYValue, forceRedraw);
showBatteryIcon(elementPosition.batteryIconX, elementPosition.batteryIconY, true);
showWiFiIcon(elementPosition.wifiIconX, elementPosition.wifiIconY, forceRedraw);
showMQTTIcon(elementPosition.mqttIconX, elementPosition.mqttIconY, forceRedraw);
showBLEIcon(elementPosition.bleIconX, elementPosition.bleIconY, forceRedraw);
showEspNowIcon(elementPosition.espNowIconX, elementPosition.espNowIconY, forceRedraw);
display.display(true); // Partial update
#ifdef TIMEDEBUG
uint32_t elapsed = timer.read();
if (elapsed > 10) {
Serial.println("-->[EINK] Time used to showValues: " + String(elapsed));
}
#endif
}
#else // ALL OTHER NOT EINKBOARDGDEM0213B74 BOARDS
void displayShowValues(bool forceRedraw = false) {
static uint32_t lastDisplayUpdate = 0;
if (isDownloadingBLE) return; // Do not update display while downloading BLE data to MyAmbiance
if (shouldRedrawDisplay) {
forceRedraw = true;
shouldRedrawDisplay = false;
}
// Return if last update less than 15 seconds ago
if (!forceRedraw && (millis() - lastDisplayUpdate < 15000)) {
return;
}
if ((!forceRedraw) && (co2 == 0)) {
return;
}
lastDisplayUpdate = millis();
#ifdef TIMEDEBUG
timer.start();
#endif
if (cyclesLeftToRedrawDisplay > 0) {
cyclesLeftToRedrawDisplay--;
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Cycles left to full refresh of display: " + String(cyclesLeftToRedrawDisplay));
#endif
} else {
cyclesLeftToRedrawDisplay = redrawDisplayEveryCycles;
forceRedraw = true;
#ifdef DEBUG_EINK
Serial.println("-->[EINK] Forcing full refresh of display");
#endif
}
if (forceRedraw) {
display.setFullWindow();
display.fillScreen(GxEPD_WHITE);
}
// testRedrawValues(true);
showCO2(co2, elementPosition.co2X, elementPosition.co2Y, forceRedraw);
showTemperature(temp, elementPosition.tempXValue, elementPosition.tempYValue, forceRedraw);
showHumidity(hum, elementPosition.humidityXValue, elementPosition.humidityYValue, forceRedraw);
showBatteryIcon(elementPosition.batteryIconX, elementPosition.batteryIconY, true);
showWiFiIcon(elementPosition.wifiIconX, elementPosition.wifiIconY, forceRedraw);
showMQTTIcon(elementPosition.mqttIconX, elementPosition.mqttIconY, forceRedraw);
showBLEIcon(elementPosition.bleIconX, elementPosition.bleIconY, forceRedraw);
showEspNowIcon(elementPosition.espNowIconX, elementPosition.espNowIconY, forceRedraw);
// display.hibernate();
if (forceRedraw) {
display.display(); // Full update
} else {
display.displayWindow(0, 0, display.width(), display.height()); // Refresh screen in partial mode
}
#ifdef TIMEDEBUG
uint32_t elapsed = timer.read();
if (elapsed > 10) {
Serial.println("-->[EINK] Time used to showValues: " + String(elapsed));
}
#endif
}
#endif
#endif // SUPPORT_EINK
#endif // CO2_Gadget_EINK_h