Added new sketch and edit Readme
This commit is contained in:
Joachim Hummel
298
CO2-Ampel-MQTT-BME680-SCD30-7Segement.ino
Normal file
298
CO2-Ampel-MQTT-BME680-SCD30-7Segement.ino
Normal file
@@ -0,0 +1,298 @@
|
||||
/* Disclaimer IoT-Werkstatt CC 4.0 BY NC SA
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For Ardublock see the
|
||||
GNU General Public License for more details. */
|
||||
#include <ESP8266WiFi.h>
|
||||
#include <PubSubClient.h>
|
||||
#include <SparkFun_SCD30_Arduino_Library.h>
|
||||
#include <Wire.h>
|
||||
#include <bsec.h>
|
||||
#include <Ticker.h>
|
||||
#include <Adafruit_GFX.h>
|
||||
#include <Adafruit_LEDBackpack.h>
|
||||
#include <Adafruit_NeoPixel.h>
|
||||
|
||||
String matrixausgabe_text = " "; // Ausgabetext als globale Variable
|
||||
|
||||
volatile int matrixausgabe_index = 0;// aktuelle Position in Matrix
|
||||
|
||||
IPAddress myOwnIP; // ownIP for mDNS
|
||||
|
||||
//-------------- definition mqtt-object ueber WiFi
|
||||
WiFiClient espClient;
|
||||
PubSubClient mqttclient(espClient);
|
||||
|
||||
//--------- list of mqtt callback functions
|
||||
#define MAX_MQTT_SUB 10 // maximal 10 subscriptions erlaubt
|
||||
typedef void (*mqtthandle) (byte*,unsigned int);
|
||||
typedef struct { // Typdeklaration Callback
|
||||
String topic; // mqtt-topic
|
||||
mqtthandle fun; // callback function
|
||||
}
|
||||
subscribe_type;
|
||||
subscribe_type mqtt_sub[MAX_MQTT_SUB];
|
||||
int mqtt_sub_count=0;
|
||||
|
||||
String MQTT_Rx_Payload = "" ;
|
||||
//--------- mqtt callback function
|
||||
void mqttcallback(char* to, byte* pay, unsigned int len) {
|
||||
String topic = String(to);
|
||||
String payload = String((char*)pay);
|
||||
MQTT_Rx_Payload=payload.substring(0,len);
|
||||
Serial.println("\ncallback topic:" + topic + ", payload:" + MQTT_Rx_Payload);
|
||||
for (int i=0;i<mqtt_sub_count;i++) { // durchsuche alle subscriptions, bis topic passt
|
||||
if (topic==mqtt_sub[i].topic)
|
||||
mqtt_sub[i].fun(pay,len); // Aufruf der richtigen callback-Funktion
|
||||
}
|
||||
}
|
||||
|
||||
//------------ reconnect mqtt-client
|
||||
void mqttreconnect() { // Loop until we're reconnected
|
||||
if (!mqttclient.connected()) {
|
||||
while (!mqttclient.connected()) {
|
||||
Serial.print("Attempting MQTT connection...");
|
||||
if (mqttclient.connect("IoTHackathon" , "xxxxx", "xxxxxx" )) {
|
||||
Serial.println("connected");
|
||||
for (int i=0;i<mqtt_sub_count;i++) { // subscribe topic
|
||||
mqttclient.subscribe(mqtt_sub[i].topic.c_str());
|
||||
Serial.println("\nsubscribe");
|
||||
Serial.print(mqtt_sub[i].topic);
|
||||
}
|
||||
}
|
||||
else {
|
||||
Serial.print("failed, rc=");
|
||||
Serial.print(mqttclient.state());
|
||||
Serial.println(" try again in 5 seconds");
|
||||
delay(5000);
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
mqttclient.loop();
|
||||
}
|
||||
}
|
||||
|
||||
int CO2 = 0 ;
|
||||
//Reading CO2, humidity and temperature from the SCD30 By: Nathan Seidle SparkFun Electronics
|
||||
|
||||
//https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
|
||||
|
||||
SCD30 airSensorSCD30; // Objekt SDC30 Umweltsensor
|
||||
int TEMP = 0 ;
|
||||
/*
|
||||
Bosch BSEC Lib, https://github.com/BoschSensortec/BSEC-Arduino-library
|
||||
The BSEC software is only available for download or use after accepting the software license agreement.
|
||||
By using this library, you have agreed to the terms of the license agreement:
|
||||
https://ae-bst.resource.bosch.com/media/_tech/media/bsec/2017-07-17_ClickThrough_License_Terms_Environmentalib_SW_CLEAN.pdf */
|
||||
Bsec iaqSensor; // Create an object of the class Bsec
|
||||
Ticker Bsec_Ticker; // schedule cyclic update via Ticker
|
||||
const uint8_t bsec_config_iaq[] = {
|
||||
#include "config/generic_33v_3s_28d_2d_iaq_50_200/bsec_iaq.txt"
|
||||
};
|
||||
|
||||
// ------------------------ Helper functions Bosch Bsec - Lib
|
||||
void checkIaqSensorStatus(void)
|
||||
{
|
||||
String output;
|
||||
if (iaqSensor.status != BSEC_OK) {
|
||||
if (iaqSensor.status < BSEC_OK) {
|
||||
output = "BSEC error code : " + String(iaqSensor.status);
|
||||
for (;;) {
|
||||
Serial.println(output);
|
||||
delay(500);
|
||||
} // Halt in case of failure
|
||||
}
|
||||
else {
|
||||
output = "BSEC warning code : " + String(iaqSensor.status);
|
||||
Serial.println(output);
|
||||
}
|
||||
}
|
||||
|
||||
if (iaqSensor.bme680Status != BME680_OK) {
|
||||
if (iaqSensor.bme680Status < BME680_OK) {
|
||||
output = "BME680 error code : " + String(iaqSensor.bme680Status);
|
||||
for (;;){
|
||||
Serial.println(output);
|
||||
delay(500);
|
||||
} // Halt in case of failure
|
||||
}
|
||||
else {
|
||||
output = "BME680 warning code : " + String(iaqSensor.bme680Status);
|
||||
Serial.println(output);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Housekeeping: scheduled update using ticker-lib
|
||||
void iaqSensor_Housekeeping(){ // get new data
|
||||
iaqSensor.run();
|
||||
}
|
||||
|
||||
int LUFTDRUCK = 0 ;
|
||||
int FEUCHTE = 0 ;
|
||||
// Adafruit Feather 7 Segment https://learn.adafruit.com/adafruit-7-segment-led-featherwings/overview
|
||||
Adafruit_7segment matrix7Seg = Adafruit_7segment(); // 7Segment Feather
|
||||
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(2,13,NEO_GRBW + NEO_KHZ800);
|
||||
|
||||
void setup(){ // Einmalige Initialisierung
|
||||
Serial.begin(115200);
|
||||
//----------------------------------MQTT-Client
|
||||
mqttclient.setServer("mqtt.unixweb.eu", 1883);
|
||||
mqttclient.setCallback(mqttcallback);
|
||||
|
||||
Wire.begin(); // ---- Initialisiere den I2C-Bus
|
||||
|
||||
if (Wire.status() != I2C_OK) Serial.println("Something wrong with I2C");
|
||||
|
||||
if (airSensorSCD30.begin() == false) {
|
||||
Serial.println("The SCD30 did not respond. Please check wiring.");
|
||||
while(1) {
|
||||
yield();
|
||||
delay(1);
|
||||
}
|
||||
}
|
||||
|
||||
airSensorSCD30.setAutoSelfCalibration(false); // Sensirion no auto calibration
|
||||
|
||||
airSensorSCD30.setMeasurementInterval(2); // CO2-Messung alle 2 s
|
||||
|
||||
iaqSensor.begin(BME680_I2C_ADDR_PRIMARY, Wire);
|
||||
String output = "\nBSEC library version " + String(iaqSensor.version.major) + "." + String(iaqSensor.version.minor) + "." + String(iaqSensor.version.major_bugfix) + "." + String(iaqSensor.version.minor_bugfix);
|
||||
Serial.println(output);
|
||||
iaqSensor.setConfig(bsec_config_iaq);
|
||||
checkIaqSensorStatus();
|
||||
|
||||
bsec_virtual_sensor_t sensorList[10] = {
|
||||
BSEC_OUTPUT_RAW_TEMPERATURE,
|
||||
BSEC_OUTPUT_RAW_PRESSURE,
|
||||
BSEC_OUTPUT_RAW_HUMIDITY,
|
||||
BSEC_OUTPUT_RAW_GAS,
|
||||
BSEC_OUTPUT_IAQ,
|
||||
BSEC_OUTPUT_STATIC_IAQ,
|
||||
BSEC_OUTPUT_CO2_EQUIVALENT,
|
||||
BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
|
||||
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
|
||||
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
|
||||
};
|
||||
|
||||
iaqSensor.updateSubscription(sensorList, 10, BSEC_SAMPLE_RATE_LP);
|
||||
checkIaqSensorStatus();
|
||||
iaqSensor_Housekeeping();
|
||||
Bsec_Ticker.attach_ms(3000, iaqSensor_Housekeeping);
|
||||
|
||||
Serial.println();
|
||||
matrix7Seg.begin(0x70); // ---- Initialisiere 7Segment Matrix
|
||||
matrix7Seg.clear(); //
|
||||
matrix7Seg.writeDisplay();
|
||||
|
||||
pixels.begin();//-------------- Initialisierung Neopixel
|
||||
delay(1);
|
||||
pixels.show();
|
||||
pixels.setPixelColor(0,0,0,0,0); // alle aus
|
||||
pixels.setPixelColor(1,0,0,0,0);
|
||||
pixels.show(); // und anzeigen
|
||||
|
||||
//------------ WLAN initialisieren
|
||||
WiFi.disconnect();
|
||||
WiFi.persistent(false);
|
||||
WiFi.mode(WIFI_STA);
|
||||
delay(100);
|
||||
Serial.print ("\nWLAN connect to:");
|
||||
Serial.print("WLAN-24");
|
||||
WiFi.begin("WLAN-24","111111111");
|
||||
while (WiFi.status() != WL_CONNECTED) { // Warte bis Verbindung steht
|
||||
delay(500);
|
||||
Serial.print(".");
|
||||
};
|
||||
Serial.println ("\nconnected, meine IP:"+ WiFi.localIP().toString());
|
||||
matrixausgabe_text = " Meine IP:" + WiFi.localIP().toString();
|
||||
myOwnIP = WiFi.localIP();
|
||||
matrixausgabe_index=0;
|
||||
|
||||
|
||||
Wire.setClock(100000L); // 100 kHz SCD30
|
||||
Wire.setClockStretchLimit(200000L);// CO2-SCD30
|
||||
}
|
||||
|
||||
void loop() { // Kontinuierliche Wiederholung
|
||||
CO2 = airSensorSCD30.getCO2() ;
|
||||
TEMP = iaqSensor.temperature ;
|
||||
LUFTDRUCK = (iaqSensor.pressure/100.) ;
|
||||
FEUCHTE = iaqSensor.humidity ;
|
||||
mqttreconnect();
|
||||
{
|
||||
String pay=String(String(CO2));
|
||||
mqttclient.publish("Octopus/CO2",pay.c_str());
|
||||
Serial.print("\nmqtt publish: ");
|
||||
Serial.print(pay);
|
||||
};
|
||||
mqttreconnect();
|
||||
{
|
||||
String pay=String(String(TEMP));
|
||||
mqttclient.publish("Octopus/Temp",pay.c_str());
|
||||
Serial.print("\nmqtt publish: ");
|
||||
Serial.print(pay);
|
||||
};
|
||||
mqttreconnect();
|
||||
{
|
||||
String pay=String(String(LUFTDRUCK));
|
||||
mqttclient.publish("Octopus/Luftdruck",pay.c_str());
|
||||
Serial.print("\nmqtt publish: ");
|
||||
Serial.print(pay);
|
||||
};
|
||||
mqttreconnect();
|
||||
{
|
||||
String pay=String(String(FEUCHTE));
|
||||
mqttclient.publish("Octopus/Feuchte",pay.c_str());
|
||||
Serial.print("\nmqtt publish: ");
|
||||
Serial.print(pay);
|
||||
};
|
||||
Serial.print("CO2:"+String(String(CO2)));
|
||||
Serial.println();
|
||||
matrix7Seg.print(TEMP);
|
||||
matrix7Seg.writeDigitNum(0,1,true);
|
||||
matrix7Seg.writeDisplay();
|
||||
delay( 2000 );
|
||||
matrix7Seg.print(LUFTDRUCK);
|
||||
matrix7Seg.writeDigitNum(0,2,true);
|
||||
matrix7Seg.writeDisplay();
|
||||
delay( 2000 );
|
||||
matrix7Seg.print(FEUCHTE);
|
||||
matrix7Seg.writeDigitNum(0,3,true);
|
||||
matrix7Seg.writeDisplay();
|
||||
delay( 2000 );
|
||||
matrix7Seg.print(CO2);
|
||||
matrix7Seg.writeDisplay();
|
||||
if (( ( CO2 ) < ( 1000 ) ))
|
||||
{
|
||||
Serial.print("green");
|
||||
Serial.println();
|
||||
pixels.setPixelColor(0,0,30,0,0);
|
||||
pixels.show();
|
||||
pixels.setPixelColor(1,0,30,0,0);
|
||||
pixels.show();
|
||||
}
|
||||
else
|
||||
{
|
||||
if (( ( CO2 ) < ( 1400 ) ))
|
||||
{
|
||||
pixels.setPixelColor(0,30,30,0,0);
|
||||
pixels.show();
|
||||
pixels.setPixelColor(1,30,30,0,0);
|
||||
pixels.show();
|
||||
Serial.print("yellow");
|
||||
Serial.println();
|
||||
}
|
||||
else
|
||||
{
|
||||
pixels.setPixelColor(0,40,0,0,0);
|
||||
pixels.show();
|
||||
pixels.setPixelColor(1,40,0,0,0);
|
||||
pixels.show();
|
||||
Serial.print("red");
|
||||
Serial.println();
|
||||
}
|
||||
}
|
||||
delay( 6000 );
|
||||
} //end loop
|
||||
@@ -23,10 +23,10 @@
|
||||
* https://www.umwelt-campus.de/forschung/projekte/iot-werkstatt/ideen-zur-corona-krise
|
||||
* WICHTIG Kalibrierung des Sensor https://www.youtube.com/watch?v=od_XsBE6hU4
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user