155 lines
6.7 KiB
C
155 lines
6.7 KiB
C
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#ifndef CONFIG_H_INCLUDED
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# define CONFIG_H_INCLUDED
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// This file is a config template, and can be copied to config.h. Please don't save any important password in this template.
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/**
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* SERVICES
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*/
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// Comment or remove those lines if you want to disable the corresponding services
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# define AMPEL_WIFI // Should ESP connect to WiFi? It allows the Ampel to get time from an NTP server.
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# define AMPEL_HTTP // Should HTTP web server be started? (AMPEL_WIFI should be enabled too)
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# define AMPEL_MQTT // Should data be sent over MQTT? (AMPEL_WIFI should be enabled too)
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# define AMPEL_CSV // Should data be logged as CSV, on the ESP flash memory?
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// # define AMPEL_LORAWAN // Should data be sent over LoRaWAN? (Requires ESP32 + LoRa modem, and "MCCI LoRaWAN LMIC library")
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/**
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* WIFI
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*/
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# define WIFI_SSID "MY_SSID"
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# define WIFI_PASSWORD "P4SSW0RD"
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# define WIFI_TIMEOUT 30 // [s]
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/**
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* Sensor
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*/
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// How often should measurement be performed, and displayed?
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//NOTE: SCD30 timer does not seem to be very precise. Variations may occur.
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# define MEASUREMENT_TIMESTEP 60 // [s] Value between 2 and 1800 (range for SCD30 sensor)
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// How often should measurements be appended to CSV ?
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// Probably a good idea to use a multiple of MEASUREMENT_TIMESTEP, so that averages can be calculated
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// Set to 0 if you want to send values after each measurement
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// WARNING: Writing too often might damage the ESP memory
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# define CSV_INTERVAL 300 // [s]
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// Residual heat from CO2 sensor seems to be high enough to change the temperature reading. How much should it be offset?
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// NOTE: Sign isn't relevant. The returned temperature will always be shifted down.
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# define TEMPERATURE_OFFSET -3 // [K]
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// Altitude above sea level
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// Used for CO2 calibration
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// here: Stuttgart, Schellingstr. 24. (Source: Google Earth)
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# define ALTITUDE_ABOVE_SEA_LEVEL 260 // [m]
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// The reference CO2 concentration has to be within the range 400 ppm ≤ cref(CO2) ≤ 2000 ppm.
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// Used for CO2 calibration
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// here : measured concentration in Stuttgart
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# define ATMOSPHERIC_CO2_CONCENTRATION 425 // [ppm]
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// Should the sensor try to calibrate itself?
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// Sensirion recommends 7 days of continuous readings with at least 1 hour a day of 'fresh air' for self-calibration to complete.
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# define AUTO_CALIBRATE_SENSOR true // [true / false]
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/**
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* LEDs
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*/
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// LED brightness, which can vary between min and max brightness ("LED breathing")
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// MAX_BRIGHTNESS must be defined, and should be between 0 and 255.
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# define MAX_BRIGHTNESS 255
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// MIN_BRIGHTNESS, if defined, should be between 0 and MAX_BRIGHTNESS - 1
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// If MIN_BRIGHTNESS is not set, or if it is set to MAX_BRIGHTNESS, breathing is disabled.
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# define MIN_BRIGHTNESS 60
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/**
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* WEB SERVER
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* available at http://local_ip, with user HTTP_USER and password HTTP_PASSWORD
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*/
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// Define empty strings in order to disable authentication, or remove the constants altogether.
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# define HTTP_USER "co2ampel"
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# define HTTP_PASSWORD "my_password"
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/**
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* MQTT
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*/
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/*
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* If AMPEL_MQTT is enabled, co2ampel will publish data every MQTT_SENDING_INTERVAL seconds.
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* An MQTT subscriber can then get the data from the corresponding broker, either encrypted or unencrypted:
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*
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* ❯ mosquitto_sub -h 'test.mosquitto.org' -p 8883 -t 'CO2sensors/#' --cafile mosquitto.org.crt -v
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* CO2sensors/ESPd03cc5 {"time":"2020-12-13 13:14:37+01", "co2":571, "temp":18.9, "rh":50.9}
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* CO2sensors/ESPd03cc5 {"time":"2020-12-13 13:14:48+01", "co2":573, "temp":18.9, "rh":50.2}
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* ...
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*
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* ❯ mosquitto_sub -h 'test.mosquitto.org' -t 'CO2sensors/#' -v
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* CO2sensors/ESPd03cc5 {"time":"2020-12-13 13:15:09+01", "co2":568, "temp":18.9, "rh":50.1}
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* CO2sensors/ESPd03cc5 {"time":"2020-12-13 13:15:20+01", "co2":572, "temp":18.9, "rh":50.3}
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* ...
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*/
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/*
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* Allow sensor to be configured over MQTT? Very useful for debugging. For example:
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* mosquitto_pub -h 'test.mosquitto.org' -t 'CO2sensors/ESPe08dc9/control' -m 'timer 30'
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* mosquitto_pub -h 'test.mosquitto.org' -t 'CO2sensors/ESPe08dc9/control' -m 'calibrate'
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* mosquitto_pub -h 'test.mosquitto.org' -t 'CO2sensors/ESPe08dc9/control' -m 'reset'
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*/
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# define ALLOW_MQTT_COMMANDS false
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// How often measurements should be sent to MQTT server?
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// Probably a good idea to use a multiple of MEASUREMENT_TIMESTEP, so that averages can be calculated
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// Set to 0 if you want to send values after each measurement
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// # define MQTT_SENDING_INTERVAL MEASUREMENT_TIMESTEP * 5 // [s]
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# define MQTT_SENDING_INTERVAL 60 // [s]
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# define MQTT_SERVER "test.mosquitto.org" // MQTT server URL or IP address
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# define MQTT_PORT 8883
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# define MQTT_USER ""
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# define MQTT_PASSWORD ""
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/**
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* LoRaWAN
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*/
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// 1) Requires "MCCI LoRaWAN LMIC library", which will be automatically used with PlatformIO but should be added in "Arduino IDE".
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// 2) Region and transceiver type should be specified in:
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// * Arduino/libraries/MCCI_LoRaWAN_LMIC_library/project_config/lmic_project_config.h for Arduino IDE
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// * platformio.ini for PlatformIO
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// See https://github.com/mcci-catena/arduino-lmic#configuration for more information
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// 3) It has been tested with "TTGO ESP32 SX1276 LoRa 868" and will only work with an ESP32 + LoRa modem
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// 4) In order to use LoRaWAN, a gateway should be close to the co2ampel, and an account, an application and a device should be registered,
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// e.g. on https://www.thethingsnetwork.org/docs/applications/
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// 5) The corresponding keys should be defined in LORAWAN_DEVICE_EUI, LORAWAN_APPLICATION_EUI and LORAWAN_APPLICATION_KEY
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// How often should measurements be sent over LoRaWAN?
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# define LORAWAN_SENDING_INTERVAL 300 // [s] This value should not be too low. See https://www.thethingsnetwork.org/docs/lorawan/duty-cycle.html#maximum-duty-cycle
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// WARNING: If AMPEL_LORAWAN is enabled, you need to modify the 3 following constants!
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// This EUI must be in little-endian format, so least-significant-byte first.
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// When copying an EUI from ttnctl output, this means to reverse the bytes.
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# define LORAWAN_DEVICE_EUI {0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11}
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// This should also be in little endian format, see above.
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// For TheThingsNetwork issued EUIs the last bytes should be 0xD5, 0xB3, 0x70.
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# define LORAWAN_APPLICATION_EUI {0x00, 0x00, 0x00, 0x00, 0x00, 0xD5, 0xB3, 0x70}
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// This key should be in big endian format (or, since it is not really a
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// number but a block of memory, endianness does not really apply). In
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// practice, a key taken from ttnctl can be copied as-is.
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# define LORAWAN_APPLICATION_KEY {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
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/**
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* NTP
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*/
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# define NTP_SERVER "pool.ntp.org"
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# define UTC_OFFSET_IN_SECONDS 7200 // [s] 3600 for UTC+1, 7200 for UTC+1 and daylight saving time
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/**
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* Others
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*/
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# define BAUDS 115200 // Transmission rate
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#endif // CONFIG_H_INCLUDED
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