mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
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84 lines
1.9 KiB
C++
84 lines
1.9 KiB
C++
/*
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ESP32 Node for reading seosors values and sending them over encrypted MQTT
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By: Alexander Bobkov
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Created: July 28, 2023
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Edited: Nov 22, 2023
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*/
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#include <Arduino.h>
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#include "config.h" // Set of configuration values
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// Include library for specific sensor depending on configuration
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// Environmental sensor BMP280: Temperature and pressure
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#ifdef BMP280
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#include <Adafruit_BMP280.h>
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#endif
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// Environmental sensor BME280: Temperature, pressure, and humidity
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#ifdef BME280
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#include <Adafruit_BME280.h>
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#endif
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// BME280
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#ifdef BME280
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// WaveShare BME280
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Adafruit_BME280 bme;
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#define SEALEVELPRESSURE_HPA (1013.25)
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#endif
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// BMP280
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#ifdef BMP280
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#define BMP_SCK (18)
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#define BMP_MISO (19)
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#define BMP_MOSI (23)
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#define BMP_CS (5)
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Adafruit_BMP280 bmp(BMP_CS);
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#endif
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// Struct for storing sensors values
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struct {
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float humidity = 0.0;
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float pressure = 0.0;
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float temperature = 0.0;
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} sensors_values;
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void setup()
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{
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Serial.begin(115200); // Define serial port speed
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// If BMP280 was defined in configuration file, complete setup procedure for BMP280 sensor
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#ifdef BMP280
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unsigned status_bmp280;
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// Initialize sensor
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status_bmp280 = bmp.begin();
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// Repeat initialization attempt untill succeeded
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if (!status_bmp280) {
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Serial.println("Could not find BMP280");
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Serial.println(bmp.sensorID(),16);
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while (1);
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}
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else {
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Serial.println(bmp.sensorID(),16);
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}
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#endif
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}
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void loop() {
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// Read and display sensors values depending on configuration file
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#ifdef BMP280
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Serial.println("\n==== BMP-280 =============");
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sensors_values.temperature = (float)bmp.readTemperature();
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sensors_values.pressure = (float)bmp.readPressure();
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#endif
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// Display sensors values
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Serial.print("Temperature = ");
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Serial.println(sensors_values.temperature);
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Serial.print("Pressure = ");
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Serial.print(sensors_values.pressure / 100.0F);
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Serial.println(" Pa");
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delay(1000);
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} |