github/ebk_co2ampel
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what am i doing here?

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smash 2020-11-25 21:33:28 +01:00
parent 038120d3de
commit ddb1377175
2 changed files with 110 additions and 60 deletions
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4
platformio.ini
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@ -17,4 +17,6 @@ lib_deps =
adafruit/Adafruit NeoPixel@^1.6.0 adafruit/Adafruit NeoPixel@^1.6.0
wifwaf/MH-Z19@^1.5.2 wifwaf/MH-Z19@^1.5.2
squix78/ESP8266_SSD1306@^4.1.0 squix78/ESP8266_SSD1306@^4.1.0
monitor_speed = 9600 yiannisbourkelis/Uptime Library @ ^1.0.0
monitor_port = /dev/ttyUSB0
monitor_speed = 115200

164
src/ebk_co2ampel.cpp
View file

@ -4,6 +4,7 @@
#include <Adafruit_NeoPixel.h> #include <Adafruit_NeoPixel.h>
#include "fonts-custom.h" #include "fonts-custom.h"
#include <Preferences.h> #include <Preferences.h>
#include "uptime_formatter.h"
// Maximum CO² levels for green and yellow, everything above is considered red. // Maximum CO² levels for green and yellow, everything above is considered red.
#define GREEN_CO2 800 #define GREEN_CO2 800
@ -11,6 +12,7 @@
// Measurement interval in miliseconds // Measurement interval in miliseconds
#define INTERVAL 15000 #define INTERVAL 15000
#define CALINTERVAL 180000
// Pins for MH-Z19 // Pins for MH-Z19
#define RX_PIN 16 #define RX_PIN 16
@ -34,25 +36,45 @@ SSD1306Wire display(0x3c, SDA_PIN, SCL_PIN);
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, LED_PIN, NEO_RGB + NEO_KHZ800); Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, LED_PIN, NEO_RGB + NEO_KHZ800);
unsigned long getDataTimer = 0; unsigned long getDataTimer = 0;
unsigned long getDataTimer1 = 0;
int lastvals[120]; int lastvals[120];
int dheight; int dheight;
String ampelversion = "0.1"; String ampelversion = "0.1";
int safezone = 1; int safezone = 1;
int tocalibrateornot; int tocalibrateornot;
int firstloop = 1; int initloop = 1;
void switchBootMode(int bm){
switch (bm){
case 23:
preferences.putUInt("cal", 42);
Serial.println("startmodus naechster reboot: messmodus");
break;
case 42:
preferences.putUInt("cal", 23);
Serial.println("startmodus naechster reboot: kalibrierungsmodus");
break;
case 69:
Serial.println("EEPROM lesen war nicht moeglich!");
break;
default:
Serial.print("EEPROM lesen lieferte unerwarteten wert: ");
Serial.println(bm);
break;
}
}
void setup() { void setup() {
Serial.begin(9600); Serial.begin(115200);
Serial.println("boot...");
preferences.begin("co2", false); preferences.begin("co2", false);
tocalibrateornot = preferences.getUInt("cal",69); // wir lesen unser flag ein, 23 = reboot vor safezone, wir wollen kalibrieren, 42 = reboot nach safezone, wir tun nichts tocalibrateornot = preferences.getUInt("cal",69); // wir lesen unser flag ein, 23 = reboot vor safezone, wir wollen kalibrieren, 42 = reboot nach safezone, wir tun nichts
preferences.putUInt("cal", 23); // wir sind gerade gestartet preferences.putUInt("cal", 23); // wir sind gerade gestartet
Serial.println(ampelversion);
mySerial.begin(9600, SERIAL_8N1, RX_PIN, TX_PIN); mySerial.begin(9600, SERIAL_8N1, RX_PIN, TX_PIN);
myMHZ19.begin(mySerial); myMHZ19.begin(mySerial);
myMHZ19.autoCalibration(false); // baseline calibration erstmal aus
pixels.clear(); pixels.clear();
display.init(); display.init();
display.setFont(Cousine_Regular_54); display.setFont(Cousine_Regular_54);
@ -64,9 +86,39 @@ void setup() {
display.drawString(64 ,0 , String(ampelversion)); display.drawString(64 ,0 , String(ampelversion));
display.display(); display.display();
dheight = display.getHeight(); dheight = display.getHeight();
Serial.println("boot...");
Serial.println(ampelversion);
char myVersion[4];
myMHZ19.getVersion(myVersion);
Serial.print("\nFirmware Version: ");
for(byte i = 0; i < 4; i++)
{
Serial.print(myVersion[i]);
if(i == 1)
Serial.print(".");
}
Serial.println("");
Serial.print("Range: ");
Serial.println(myMHZ19.getRange());
Serial.print("Background CO2: ");
Serial.println(myMHZ19.getBackgroundCO2());
Serial.print("Temperature Cal: ");
Serial.println(myMHZ19.getTempAdjustment());
Serial.print("ABC Status: "); myMHZ19.getABC() ? Serial.println("ON") : Serial.println("OFF");
Serial.print("read EEPROM value: "); Serial.print("read EEPROM value: ");
Serial.println(tocalibrateornot); Serial.println(tocalibrateornot);
switch(tocalibrateornot){
case 23:
Serial.println("startmodus aktuell: kalibrierungsmodus");
break;
case 42:
Serial.println("startmodus aktuell: messmodus");
break;
}
// Fill array of last measurements with -1 // Fill array of last measurements with -1
for (int x = 0; x <= 119; x = x + 1) { for (int x = 0; x <= 119; x = x + 1) {
lastvals[x] = -1; lastvals[x] = -1;
@ -77,6 +129,8 @@ void setup() {
pixels.setPixelColor(i, 0,0,50); pixels.setPixelColor(i, 0,0,50);
pixels.show(); pixels.show();
} }
switchBootMode(tocalibrateornot); // beim naechsten boot im anderen modus starten
} }
int calc_vpos_for_co2(int co2val, int display_height) { int calc_vpos_for_co2(int co2val, int display_height) {
@ -114,6 +168,24 @@ void rainbow(int wait) {
delay(wait); delay(wait);
} }
} }
void calibrateCO2(){
display.clear();
display.drawString(64, 0, "CAL!");
display.display();
Serial.println("brace yourself, calibration starting! things either be better or all fucked up beyond this point...");
myMHZ19.setRange(5000);
delay(500);
myMHZ19.calibrateZero();
delay(500);
myMHZ19.autoCalibration(false);
delay(500);
display.clear();
display.drawString(64, 0, "DONE");
display.display();
preferences.putUInt("cal", 42);
display.clear();
}
void readco2(){ void readco2(){
if (millis() - getDataTimer >= INTERVAL) { if (millis() - getDataTimer >= INTERVAL) {
// Get new CO² value. // Get new CO² value.
@ -136,19 +208,19 @@ void readco2(){
} }
// Set LED color and print value on display // Set LED color and print value on display
set_led_color(CO2); set_led_color(CO2);
display.setLogBuffer(1, 30); //display.setLogBuffer(1, 30);
display.setFont(Cousine_Regular_54); display.setFont(Cousine_Regular_54);
display.setTextAlignment(TEXT_ALIGN_CENTER); display.setTextAlignment(TEXT_ALIGN_CENTER);
display.drawString(64 ,0 , String(CO2)); display.drawString(64 ,0 , String(CO2));
display.drawLogBuffer(0, 0); //display.drawLogBuffer(0, 0);
display.display(); display.display();
// Debug output // Debug output
Serial.print("CO2 (ppm): "); Serial.print("CO2 (ppm): ");
Serial.print(CO2); Serial.print(CO2);
Serial.print(" Background CO2: "); Serial.print(" Background CO2: " + String(myMHZ19.getBackgroundCO2()));
Serial.print(myMHZ19.getBackgroundCO2()); //Serial.print(myMHZ19.getBackgroundCO2());
Serial.print(" uptime (seconds): "); Serial.println(" uptime: " + uptime_formatter::getUptime());
Serial.println(millis()/1000);
getDataTimer = millis(); getDataTimer = millis();
} }
} }
@ -156,66 +228,42 @@ void readco2(){
void loop() { void loop() {
if (safezone == 1){ if (initloop == 1) {
if (millis() > 10000) {
Serial.println("=== safe zone ===");
switchBootMode(23);
// preferences.putUInt("cal", 42); // wir haben die safe zone erreicht, beim naechsten boot nicht kalibrieren!
safezone = 0;
initloop = 0;
}
}
if (safezone == 0){
if (tocalibrateornot == 23){ if (tocalibrateornot == 23){
if (millis() < 180000){ if (millis() - getDataTimer1 < CALINTERVAL) {
rainbow(10); rainbow(10);
display.clear(); display.clear();
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.drawString(64, 0, String(180 - millis()/1000)); display.drawString(64, 0, String(180 - millis()/1000));
display.display(); display.display();
} }
else if (millis() >= 180000){ else if (millis() - getDataTimer1 >= CALINTERVAL) {
display.drawString(64, 0, "CAL!"); calibrateCO2();
Serial.println("brace yourself, calibration starting! things either be better or all fucked up beyond this point..."); getDataTimer1 = millis();
myMHZ19.setRange(5000); }
delay(500);
myMHZ19.calibrateZero();
delay(500);
myMHZ19.autoCalibration(false);
delay(500);
display.clear();
display.drawString(64, 0, "DONE");
display.display();
preferences.putUInt("cal", 42);
char myVersion[4];
myMHZ19.getVersion(myVersion);
Serial.print("\nFirmware Version: ");
for(byte i = 0; i < 4; i++)
{
Serial.print(myVersion[i]);
if(i == 1)
Serial.print(".");
}
Serial.println("");
Serial.print("Range: ");
Serial.println(myMHZ19.getRange());
Serial.print("Background CO2: ");
Serial.println(myMHZ19.getBackgroundCO2());
Serial.print("Temperature Cal: ");
Serial.println(myMHZ19.getTempAdjustment());
Serial.println("calibration done");
Serial.print("ABC Status: "); myMHZ19.getABC() ? Serial.println("ON") : Serial.println("OFF");
display.clear();
safezone = 0;
}
} }
else if (tocalibrateornot ==42){ else if (tocalibrateornot ==42){
if(firstloop==1){ if(initloop==1){
Serial.println("fake news, nobody has the intention to do calibration...."); Serial.println("fake news, nobody has the intention to do calibration....");
firstloop=0; initloop=0;
}
if (millis() > 10000) {
Serial.println(" safe zone, sensor stayed up long enough");
preferences.putUInt("cal", 42); // wir haben die safe zone erreicht, beim naechsten boot nicht kalibrieren!
safezone = 0;
} }
} }
} }
else if (safezone == 0){
readco2(); readco2();
}
} }