#pragma once
#define LILYGO_T5_V213
#include <boards.h>
#include <GxEPD.h>
#include <GxGDEH0213B73/GxGDEH0213B73.h>
#include <Fonts/FreeMonoBold9pt7b.h>
#include <GxIO/GxIO_SPI/GxIO_SPI.h>
#include <GxIO/GxIO.h>
#include "data.h"
class TimeStr {
private:
char str[10];
unsigned long cut(unsigned long &val, unsigned long max) {
unsigned long ret = val/max;
val %= max;
return ret;
}
public:
TimeStr() :str("000:00:00") {}
const char *format(unsigned long now_millis) {
unsigned long now_s = now_millis/1000;
unsigned long now_m = cut(now_s,60);
unsigned long now_h = cut(now_m,60);
str[0]='0' + cut(now_h,100);
str[1]='0' + cut(now_h,10);
str[2]='0' + now_h;
str[4]='0' + cut(now_m,10);
str[5]='0' + now_m;
str[7]='0' + cut(now_s,10);
str[8]='0' + now_s;
return &str[0];
}
};
class Display {
private:
GxIO_Class io;
GxEPD_Class display;
TimeStr timeStr;
public:
Display() :
io(SPI, EPD_CS, EPD_DC, EPD_RSET),
display(io, EPD_RSET, EPD_BUSY),
timeStr()
{}
void start() {
SPI.begin(EPD_SCLK, EPD_MISO, EPD_MOSI);
display.init();
display.setTextColor(GxEPD_BLACK);
display.setRotation(3);
display.setFont(&FreeMonoBold9pt7b);
display.fillScreen(GxEPD_WHITE);
display.update();
}
void show(const SensorData *data) {
display.fillScreen(GxEPD_WHITE);
display.setCursor(0,10);
display.print("Co2 ");
display.print(data->co2);
display.setCursor(100,10);
display.print("t");
display.print(data->temperature,1);
display.setCursor(160,10);
display.print(" h");
display.print(data->humidity,0);
display.print("%");
display.setCursor(0,30);
display.println(" PM");
display.print(" 1.0 "); display.println(data->pm.mc_1p0,1);
display.print(" 2.5 "); display.println(max(0.0f,data->pm.mc_2p5 - data->pm.mc_1p0),1);
display.print(" 4.0 "); display.println(max(0.0f,data->pm.mc_4p0 - data->pm.mc_2p5),1);
display.print("10.0 "); display.println(max(0.0f,data->pm.mc_10p0 - data->pm.mc_4p0),1);
display.setCursor(120,30);
display.print("Batt "); display.print(data->batteryVoltage);
display.setCursor(0,120);
display.print("Uptime ");
display.print(timeStr.format(millis()));
display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
display.powerDown();
}
};