bmp280 examples

Author: pschatzmann

ArduinoCore-Linux/cores/arduino/WProgram.h

@@ -0,0 +1,22 @@
+/*
+	WProgram.h - Legacy Main include file for the Arduino SDK 
+	Copyright (c) 2025 Phil Schatzmann. All right reserved.
+
+	This library is free software; you can redistribute it and/or
+	modify it under the terms of the GNU Lesser General Public
+	License as published by the Free Software Foundation; either
+	version 2.1 of the License, or (at your option) any later version.
+
+	This library 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.  See the GNU
+	Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+#pragma once
+// This is for compatibility with older Arduino libraries that still include WProgram.h
+// It is recommended to use Arduino.h instead of WProgram.h in new code
+#include "Arduino.h"

examples/CMakeLists.txt

@@ -5,6 +5,10 @@ add_subdirectory("i2c")
 add_subdirectory("spi")
 add_subdirectory("serial2")
 add_subdirectory("using-arduino-library")
+# BME280 Sensor Examples
+arduino_library(SparkFunBME280 "https://github.com/sparkfun/SparkFun_BME280_Arduino_Library" )
+add_subdirectory("bme280-i2c")
+add_subdirectory("bme280-spi")
 
 if(USE_HTTPS)
     add_subdirectory("wifi-secure")

examples/bme280-i2c/CMakeLists.txt

@@ -0,0 +1 @@
+arduino_sketch(bme280-i2c bme280-i2c.ino LIBRARIES SparkFunBME280)

examples/bme280-i2c/bme280-i2c.ino

@@ -0,0 +1,32 @@
+// Example sketch for the BME280 combined humidity and pressure sensor
+// Using I2C communication with the SparkFun BME280 Arduino Library
+
+#include <Arduino.h>
+#include <Wire.h>
+#include "SparkFunBME280.h"
+
+BME280 mySensor;
+
+void setup() {
+	Serial.begin(115200);
+	Serial.println("Reading basic values from BME280");
+	// Begin communication over I2C
+	Wire.begin();
+	if (mySensor.beginI2C() == false) {
+		Serial.println("The sensor did not respond. Please check wiring.");
+		while (1);  // Freeze
+	}
+}
+
+void loop() {
+	Serial.print("Humidity: ");
+	Serial.print(mySensor.readFloatHumidity(), 0);
+	Serial.print(" Pressure: ");
+	Serial.print(mySensor.readFloatPressure(), 0);
+	Serial.print(" Alt: ");
+	Serial.print(mySensor.readFloatAltitudeMeters(), 1);
+	Serial.print(" Temp: ");
+	Serial.println(mySensor.readTempC(), 2);
+
+	delay(1000);
+}

examples/bme280-spi/CMakeLists.txt

@@ -0,0 +1 @@
+arduino_sketch(bme280-spi bme280-spi.ino LIBRARIES SparkFunBME280)

examples/bme280-spi/bme280-spi.ino

@@ -0,0 +1,32 @@
+// Example sketch for the BME280 combined humidity and pressure sensor
+// Using SPI communication with the SparkFun BME280 Arduino Library
+
+#include <Arduino.h>
+#include <SPI.h>
+#include "SparkFunBME280.h"
+
+const int csPin = 13; // Chip select pin for SPI
+BME280 mySensor;
+
+void setup() {
+	Serial.begin(9600);
+	Serial.println("Reading basic values from BME280");
+	// Begin communication over SPI. Use pin 10 as CS.
+	if (mySensor.beginSPI(csPin) == false) {
+		Serial.println("The sensor did not respond. Please check wiring.");
+		while (1);  // Freeze
+	}
+}
+
+void loop() {
+	Serial.print("Humidity: ");
+	Serial.print(mySensor.readFloatHumidity(), 0);
+	Serial.print(" Pressure: ");
+	Serial.print(mySensor.readFloatPressure(), 0);
+	Serial.print(" Alt: ");
+	Serial.print(mySensor.readFloatAltitudeMeters(), 1);
+	Serial.print(" Temp: ");
+	Serial.println(mySensor.readTempC(), 2);
+
+	delay(1000);
+}