mirror of
https://github.com/revspace/operame
synced 2024-10-31 21:47:30 +00:00
Refactor
- Source files moved to src/ - operame.cpp renamed to main.cpp - Display code factored out to separate file - Sensor code factored out to separate file, turned into classes
This commit is contained in:
parent
6ce64f635b
commit
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2
.gitignore
vendored
2
.gitignore
vendored
@ -1,2 +1,2 @@
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.pio
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.*
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platformio-*.ini
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62
src/display.h
Normal file
62
src/display.h
Normal file
@ -0,0 +1,62 @@
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#include <Arduino.h>
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#include <WiFi.h>
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#include <SPI.h>
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#include <TFT_eSPI.h>
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#include <src/logo.h>
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#include <list>
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TFT_eSPI tft;
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TFT_eSprite sprite(&tft);
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void clear_sprite(int bg = TFT_BLACK) {
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sprite.fillSprite(bg);
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if (WiFi.status() == WL_CONNECTED) {
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sprite.drawRect(0, 0, tft.width(), tft.height(), TFT_BLUE);
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}
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}
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void display(const String& text, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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sprite.setTextSize(1);
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bool nondigits = false;
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for (int i = 0; i < text.length(); i++) {
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char c = text.charAt(i);
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if (c < '0' || c > '9') nondigits = true;
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}
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sprite.setTextFont(nondigits ? 4 : 8);
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sprite.setTextSize(nondigits && text.length() < 10 ? 2 : 1);
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sprite.setTextDatum(MC_DATUM);
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sprite.setTextColor(fg, bg);
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sprite.drawString(text, tft.width()/2, tft.height()/2);
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sprite.pushSprite(0, 0);
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}
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void display(const std::list<String>& lines, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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sprite.setTextSize(1);
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sprite.setTextFont(4);
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sprite.setTextDatum(MC_DATUM);
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sprite.setTextColor(fg, bg);
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const int line_height = 32;
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int y = tft.height()/2 - (lines.size()-1) * line_height/2;
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for (auto line : lines) {
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sprite.drawString(line, tft.width()/2, y);
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y += line_height;
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}
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sprite.pushSprite(0, 0);
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}
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void display_logo() {
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clear_sprite();
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sprite.setSwapBytes(true);
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sprite.pushImage(12, 30, 215, 76, OPERAME_LOGO);
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sprite.pushSprite(0, 0);
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}
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void panic(const String& message) {
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display(message, TFT_RED);
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delay(5000);
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ESP.restart();
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}
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Before Width: | Height: | Size: 9.1 KiB After Width: | Height: | Size: 9.1 KiB |
@ -3,24 +3,17 @@
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#include <MQTT.h>
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#include <SPIFFS.h>
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#include <WiFiSettings.h>
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#include <MHZ19.h>
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#include <ArduinoOTA.h>
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#include <SPI.h>
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#include <TFT_eSPI.h>
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#include <logo.h>
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#include <list>
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#include <operame_strings.h>
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#include <src/strings.h>
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#include <src/display.h>
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#include <src/sensors.h>
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#define LANGUAGE "nl"
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OperameLanguage::Texts T;
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enum Driver { AQC, MHZ };
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Driver driver;
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MQTTClient mqtt;
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HardwareSerial hwserial1(1);
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TFT_eSPI display;
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TFT_eSprite sprite(&display);
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MHZ19 mhz;
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CO2Sensor *sensor;
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const int pin_portalbutton = 35;
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const int pin_demobutton = 0;
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@ -28,7 +21,6 @@ const int pin_backlight = 4;
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const int pin_sensor_rx = 27;
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const int pin_sensor_tx = 26;
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const int pin_pcb_ok = 12; // pulled to GND by PCB trace
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int mhz_co2_init = 410; // magic value reported during init
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// Configuration via WiFiSettings
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unsigned long mqtt_interval;
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@ -43,51 +35,32 @@ bool wifi_enabled;
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bool mqtt_enabled;
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int max_failures;
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void clear_sprite(int bg = TFT_BLACK) {
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sprite.fillSprite(bg);
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if (WiFi.status() == WL_CONNECTED) {
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sprite.drawRect(0, 0, display.width(), display.height(), TFT_BLUE);
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bool button(int pin) {
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if (digitalRead(pin)) return false;
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unsigned long start = millis();
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while (!digitalRead(pin)) {
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if (millis() - start >= 50) display("");
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}
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return millis() - start >= 50;
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}
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void display_big(const String& text, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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sprite.setTextSize(1);
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bool nondigits = false;
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for (int i = 0; i < text.length(); i++) {
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char c = text.charAt(i);
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if (c < '0' || c > '9') nondigits = true;
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void calibrate() {
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auto lines = T.calibration;
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for (int count = 60; count >= 0; count--) {
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lines.back() = String(count);
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display(lines, TFT_RED);
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unsigned long start = millis();
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while (millis() - start < 1000) {
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if (button(pin_demobutton) || button(pin_portalbutton)) return;
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}
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}
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sprite.setTextFont(nondigits ? 4 : 8);
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sprite.setTextSize(nondigits && text.length() < 10 ? 2 : 1);
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sprite.setTextDatum(MC_DATUM);
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sprite.setTextColor(fg, bg);
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sprite.drawString(text, display.width()/2, display.height()/2);
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sprite.pushSprite(0, 0);
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}
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lines = T.calibrating;
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for (auto& line : lines) line.replace("400", String(sensor->co2_zero));
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display(lines, TFT_MAGENTA);
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void display_lines(const std::list<String>& lines, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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sprite.setTextSize(1);
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sprite.setTextFont(4);
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sprite.setTextDatum(MC_DATUM);
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sprite.setTextColor(fg, bg);
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const int line_height = 32;
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int y = display.height()/2 - (lines.size()-1) * line_height/2;
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for (auto line : lines) {
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sprite.drawString(line, display.width()/2, y);
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y += line_height;
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}
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sprite.pushSprite(0, 0);
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}
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void display_logo() {
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clear_sprite();
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sprite.setSwapBytes(true);
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sprite.pushImage(12, 30, 215, 76, OPERAME_LOGO);
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sprite.pushSprite(0, 0);
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sensor->set_zero(); // actually instantaneous
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delay(15000); // give time to read long message
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}
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void display_ppm(int ppm) {
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@ -106,148 +79,11 @@ void display_ppm(int ppm) {
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if (ppm >= co2_blink && millis() % 2000 < 1000) {
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std::swap(fg, bg);
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}
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display_big(String(ppm), fg, bg);
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}
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void panic(const String& message) {
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display_big(message, TFT_RED);
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delay(5000);
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ESP.restart();
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}
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bool button(int pin) {
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if (digitalRead(pin)) return false;
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unsigned long start = millis();
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while (!digitalRead(pin)) {
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if (millis() - start >= 50) display_big("");
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}
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return millis() - start >= 50;
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}
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void flush(Stream& s, int limit = 20) {
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// .available() sometimes stays true (why?), hence the limit
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s.flush(); // flush output
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while(s.available() && --limit) s.read(); // flush input
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}
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int aqc_get_co2() {
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static bool initialized = false;
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const uint8_t command[9] = { 0xff, 0x01, 0xc5, 0, 0, 0, 0, 0, 0x3a };
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uint8_t response[9];
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int co2 = -1;
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for (int attempt = 0; attempt < 3; attempt++) {
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flush(hwserial1);
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hwserial1.write(command, sizeof(command));
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delay(50);
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size_t c = hwserial1.readBytes(response, sizeof(response));
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if (c != sizeof(response) || response[0] != 0xff || response[1] != 0x86) {
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continue;
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}
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uint8_t checksum = 255;
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for (int i = 0; i < sizeof(response) - 1; i++) {
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checksum -= response[i];
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}
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if (response[8] == checksum) {
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co2 = response[2] * 256 + response[3];
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break;
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}
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delay(50);
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}
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if (co2 < 0) {
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initialized = false;
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return co2;
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}
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if (!initialized && (co2 == 9999 || co2 == 400)) return 0;
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initialized = true;
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return co2;
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}
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void aqc_set_zero() {
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const uint8_t command[9] = { 0xff, 0x01, 0x87, 0, 0, 0, 0, 0, 0x78 };
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flush(hwserial1);
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hwserial1.write(command, sizeof(command));
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}
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void mhz_setup() {
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mhz.begin(hwserial1);
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// mhz.setFilter(true, true); Library filter doesn't handle 0436
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mhz.autoCalibration(true);
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char v[5] = {};
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mhz.getVersion(v);
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v[4] = '\0';
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if (strcmp("0436", v) == 0) mhz_co2_init = 436;
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}
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int mhz_get_co2() {
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int co2 = mhz.getCO2();
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int unclamped = mhz.getCO2(false);
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if (mhz.errorCode != RESULT_OK) {
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delay(500);
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mhz_setup();
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return -1;
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}
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// reimplement filter from library, but also checking for 436 because our
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// sensors (firmware 0436, coincidence?) return that instead of 410...
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if (unclamped == mhz_co2_init && co2 - unclamped >= 10) return 0;
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// No known sensors support >10k PPM (library filter tests for >32767)
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if (co2 > 10000 || unclamped > 10000) return 0;
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return co2;
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}
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void mhz_set_zero() {
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mhz.calibrate();
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}
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int get_co2() {
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// <0 means read error, 0 means still initializing, >0 is PPM value
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if (driver == AQC) return aqc_get_co2();
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if (driver == MHZ) return mhz_get_co2();
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// Should be unreachable
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panic(T.error_driver);
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return -1; // suppress warning
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}
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void set_zero() {
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if (driver == AQC) { aqc_set_zero(); return; }
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if (driver == MHZ) { mhz_set_zero(); return; }
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// Should be unreachable
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panic(T.error_driver);
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}
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void calibrate() {
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auto lines = T.calibration;
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for (int count = 60; count >= 0; count--) {
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lines.back() = String(count);
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display_lines(lines, TFT_RED);
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unsigned long start = millis();
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while (millis() - start < 1000) {
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if (button(pin_demobutton) || button(pin_portalbutton)) return;
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}
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}
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lines = T.calibrating;
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if (driver == AQC) for (auto& line : lines) line.replace("400", "425");
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display_lines(lines, TFT_MAGENTA);
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set_zero(); // actually instantaneous
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delay(15000); // give time to read long message
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display(String(ppm), fg, bg);
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}
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void ppm_demo() {
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display_big("demo!");
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display("demo!");
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delay(3000);
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display_logo();
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delay(1000);
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@ -285,20 +121,15 @@ void check_demobutton() {
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if (button(pin_demobutton)) ppm_demo();
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}
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void check_buttons() {
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check_portalbutton();
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check_demobutton();
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}
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void setup_ota() {
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ArduinoOTA.setHostname(WiFiSettings.hostname.c_str());
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ArduinoOTA.setPassword(WiFiSettings.password.c_str());
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ArduinoOTA.onStart( []() { display_big("OTA", TFT_BLUE); });
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ArduinoOTA.onEnd( []() { display_big("OTA done", TFT_GREEN); });
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ArduinoOTA.onError( [](ota_error_t e) { display_big("OTA failed", TFT_RED); });
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ArduinoOTA.onStart( []() { display("OTA", TFT_BLUE); });
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ArduinoOTA.onEnd( []() { display("OTA done", TFT_GREEN); });
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ArduinoOTA.onError( [](ota_error_t e) { display("OTA failed", TFT_RED); });
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ArduinoOTA.onProgress([](unsigned int p, unsigned int t) {
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String pct { (int) ((float) p / t * 100) };
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display_big(pct + "%");
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display(pct + "%");
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});
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ArduinoOTA.begin();
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}
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@ -325,17 +156,17 @@ void setup() {
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Serial.println("Operame start");
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digitalWrite(pin_backlight, HIGH);
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display.init();
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display.fillScreen(TFT_BLACK);
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display.setRotation(1);
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sprite.createSprite(display.width(), display.height());
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tft.init();
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tft.fillScreen(TFT_BLACK);
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tft.setRotation(1);
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sprite.createSprite(tft.width(), tft.height());
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OperameLanguage::select(T, LANGUAGE);
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if (!SPIFFS.begin(false)) {
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display_lines(T.first_run, TFT_MAGENTA);
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display(T.first_run, TFT_MAGENTA);
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if (!SPIFFS.format()) {
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display_big(T.error_format, TFT_RED);
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display(T.error_format, TFT_RED);
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delay(20*1000);
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}
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}
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@ -351,7 +182,7 @@ void setup() {
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OperameLanguage::select(T, WiFiSettings.language);
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while (digitalRead(pin_pcb_ok)) {
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display_big(T.error_module, TFT_RED);
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display(T.error_module, TFT_RED);
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delay(1000);
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}
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@ -360,17 +191,18 @@ void setup() {
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hwserial1.begin(9600, SERIAL_8N1, pin_sensor_rx, pin_sensor_tx);
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if (aqc_get_co2() >= 0) {
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driver = AQC;
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sensor = new AQC(&hwserial1);
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sensor->begin();
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if (sensor->get_co2() >= 0) {
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hwserial1.setTimeout(100);
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Serial.println("Using AQC driver.");
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} else {
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driver = MHZ;
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mhz_setup();
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delete sensor;
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sensor = new MHZ(&hwserial1);
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sensor->begin();
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Serial.println("Using MHZ driver.");
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}
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for (auto& str : T.portal_instructions[0]) {
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str.replace("{ssid}", WiFiSettings.hostname);
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}
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@ -388,18 +220,18 @@ void setup() {
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String server = WiFiSettings.string("mqtt_server", 64, "", T.config_mqtt_server);
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int port = WiFiSettings.integer("mqtt_port", 0, 65535, 1883, T.config_mqtt_port);
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max_failures = WiFiSettings.integer("operame_max_failures", 0, 1000, 10, T.config_max_failures);
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mqtt_topic = WiFiSettings.string("operame_mqtt_topic", WiFiSettings.hostname, T.config_mqtt_topic);
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mqtt_topic = WiFiSettings.string("operame_mqtt_topic", WiFiSettings.hostname, T.config_mqtt_topic);
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mqtt_interval = 1000UL * WiFiSettings.integer("operame_mqtt_interval", 10, 3600, 60, T.config_mqtt_interval);
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mqtt_template = WiFiSettings.string("operame_mqtt_template", "{} PPM", T.config_mqtt_template);
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WiFiSettings.info(T.config_template_info);
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WiFiSettings.onConnect = [] {
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display_big(T.connecting, TFT_BLUE);
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display(T.connecting, TFT_BLUE);
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check_portalbutton();
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return 50;
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};
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WiFiSettings.onFailure = [] {
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display_big(T.error_wifi, TFT_RED);
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display(T.error_wifi, TFT_RED);
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delay(2000);
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};
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static int portal_phase = 0;
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@ -418,7 +250,7 @@ void setup() {
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if (WiFi.softAPgetStationNum() == 0) portal_phase = 0;
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else if (! portal_phase) portal_phase = 1;
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display_lines(T.portal_instructions[portal_phase], TFT_WHITE, TFT_BLUE);
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display(T.portal_instructions[portal_phase], TFT_WHITE, TFT_BLUE);
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if (portal_phase == 0 && millis() - portal_start > 10*60*1000) {
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panic(T.error_timeout);
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@ -442,15 +274,15 @@ void loop() {
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static int co2;
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every(5000) {
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co2 = get_co2();
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co2 = sensor->get_co2();
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Serial.println(co2);
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}
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every(50) {
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if (co2 < 0) {
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display_big(T.error_sensor, TFT_RED);
|
||||
display(T.error_sensor, TFT_RED);
|
||||
} else if (co2 == 0) {
|
||||
display_big(T.wait);
|
||||
display(T.wait);
|
||||
} else {
|
||||
// some MH-Z19's go to 10000 but the display has space for 4 digits
|
||||
display_ppm(co2 > 9999 ? 9999 : co2);
|
||||
@ -469,5 +301,7 @@ void loop() {
|
||||
}
|
||||
|
||||
if (ota_enabled) ArduinoOTA.handle();
|
||||
check_buttons();
|
||||
}
|
||||
|
||||
check_portalbutton();
|
||||
check_demobutton();
|
||||
}
|
113
src/sensors.h
Normal file
113
src/sensors.h
Normal file
@ -0,0 +1,113 @@
|
||||
#include <Arduino.h>
|
||||
#include <MHZ19.h>
|
||||
|
||||
struct CO2Sensor {
|
||||
int co2_zero;
|
||||
virtual ~CO2Sensor() = default;
|
||||
virtual void begin() = 0;
|
||||
virtual void set_zero() = 0;
|
||||
virtual int get_co2() = 0;
|
||||
// <0 means read error, 0 means still initializing, >0 is PPM value
|
||||
};
|
||||
|
||||
struct AQC : CO2Sensor {
|
||||
int co2_zero = 425;
|
||||
|
||||
Stream *serial;
|
||||
AQC(Stream *x) : serial(x) {}
|
||||
|
||||
void flush(int limit = 20) {
|
||||
// .available() sometimes stays true (why?), hence the limit
|
||||
|
||||
serial->flush(); // flush output
|
||||
while(serial->available() && --limit) serial->read(); // flush input
|
||||
}
|
||||
|
||||
void begin() { }
|
||||
|
||||
int get_co2() {
|
||||
static bool initialized = false;
|
||||
|
||||
const uint8_t command[9] = { 0xff, 0x01, 0xc5, 0, 0, 0, 0, 0, 0x3a };
|
||||
uint8_t response[9];
|
||||
int co2 = -1;
|
||||
|
||||
for (int attempt = 0; attempt < 3; attempt++) {
|
||||
flush();
|
||||
serial->write(command, sizeof(command));
|
||||
delay(50);
|
||||
|
||||
size_t c = serial->readBytes(response, sizeof(response));
|
||||
if (c != sizeof(response) || response[0] != 0xff || response[1] != 0x86) {
|
||||
continue;
|
||||
}
|
||||
uint8_t checksum = 255;
|
||||
for (int i = 0; i < sizeof(response) - 1; i++) {
|
||||
checksum -= response[i];
|
||||
}
|
||||
if (response[8] == checksum) {
|
||||
co2 = response[2] * 256 + response[3];
|
||||
break;
|
||||
}
|
||||
delay(50);
|
||||
}
|
||||
|
||||
if (co2 < 0) {
|
||||
initialized = false;
|
||||
return co2;
|
||||
}
|
||||
|
||||
if (!initialized && (co2 == 9999 || co2 == 400)) return 0;
|
||||
initialized = true;
|
||||
return co2;
|
||||
}
|
||||
|
||||
void set_zero() {
|
||||
const uint8_t command[9] = { 0xff, 0x01, 0x87, 0, 0, 0, 0, 0, 0x78 };
|
||||
flush();
|
||||
serial->write(command, sizeof(command));
|
||||
}
|
||||
};
|
||||
|
||||
struct MHZ : CO2Sensor {
|
||||
MHZ19 mhz;
|
||||
int co2_zero = 400;
|
||||
int co2_init = 410;
|
||||
|
||||
Stream *serial;
|
||||
MHZ(Stream *x) : serial(x) {}
|
||||
|
||||
void begin() {
|
||||
mhz.begin(*serial);
|
||||
// mhz.setFilter(true, true); Library filter doesn't handle 0436
|
||||
mhz.autoCalibration(true);
|
||||
char v[5] = {};
|
||||
mhz.getVersion(v);
|
||||
v[4] = '\0';
|
||||
if (strcmp("0436", v) == 0) co2_init = 436;
|
||||
}
|
||||
|
||||
int get_co2() {
|
||||
int co2 = mhz.getCO2();
|
||||
int unclamped = mhz.getCO2(false);
|
||||
|
||||
if (mhz.errorCode != RESULT_OK) {
|
||||
delay(500);
|
||||
setup();
|
||||
return -1;
|
||||
}
|
||||
|
||||
// reimplement filter from library, but also checking for 436 because our
|
||||
// sensors (firmware 0436, coincidence?) return that instead of 410...
|
||||
if (unclamped == co2_init && co2 - unclamped >= 10) return 0;
|
||||
|
||||
// No known sensors support >10k PPM (library filter tests for >32767)
|
||||
if (co2 > 10000 || unclamped > 10000) return 0;
|
||||
|
||||
return co2;
|
||||
}
|
||||
|
||||
void set_zero() {
|
||||
mhz.calibrate();
|
||||
}
|
||||
};
|
@ -1,3 +1,4 @@
|
||||
#include <Arduino.h>
|
||||
#include <map>
|
||||
#include <vector>
|
||||
#include <list>
|
Loading…
Reference in New Issue
Block a user