adding MS5837 driver example

examples/nucleo_f042k6/ms5837/main.cpp

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+/*
+ * Copyright (c) 2023, Vivien Henry
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <modm/board.hpp>
+#include <modm/driver/pressure/ms5837.hpp>
+
+
+using namespace Board;
+using namespace std::chrono_literals;
+
+using I2cSda	= GpioA10;
+using I2cScl	= GpioA9;
+
+int
+main()
+{
+	Board::initialize();
+	LedD13::setOutput();
+
+	MODM_LOG_INFO << "MS5837 demo" << modm::endl;
+
+	I2cMaster1::connect<I2cSda::Sda, I2cScl::Scl>();
+	I2cMaster1::initialize<SystemClock, 100_kBd>();
+
+	// Create a sensor object
+	modm::ms5837data::Data sensor_data;
+	modm::Ms5837<I2cMaster1> sensor(sensor_data);
+
+	int32_t press, temp;
+	float press_f, temp_f;
+
+	// Turn on and configure the pressure sensor
+	bool success = RF_CALL_BLOCKING(sensor.initialize());
+
+	if(!success)
+	{
+		MODM_LOG_DEBUG << "MS5837 Initialition failed" << modm::endl;
+	}
+
+	while (true)
+	{
+		//Read the sensor data and print it out
+		success = RF_CALL_BLOCKING(sensor.readout());
+
+		if(success)
+		{
+			press = sensor_data.getPressure(); // int32_t
+			//press_f = sensor_data.getPressure(); // float
+			sensor_data.getPressure(press_f); // float via reference
+
+			MODM_LOG_INFO << "Pressure: (tenth of mbar): " << press << " and in mbar (float)" << press_f << modm::endl;
+
+			temp = sensor_data.getTemperature();
+			//temp_f = sensor_data.getTemperature();
+			sensor_data.getTemperature(temp_f);
+
+			MODM_LOG_INFO << "Temp: (0.01°C): " << temp << " and °C" << temp_f << modm::endl;
+		}
+		else
+		{
+			MODM_LOG_INFO << "Sensor could not be read!" << modm::endl;
+		}
+		modm::delay(1s);
+	}
+	return 0;
+}

examples/nucleo_f042k6/ms5837/project.xml

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+<library>
+  <extends>modm:nucleo-f042k6</extends>
+  <options>
+    <option name="modm:build:build.path">../../../build/nucleo_f042k6/ms5837</option>
+  </options>
+  <modules>
+    <module>modm:build:scons</module>
+    <module>modm:driver:ms5837</module>
+    <module>modm:platform:i2c:1</module>
+  </modules>
+</library>