Implement LIS2MDL library

README.md

@@ -1,2 +1,39 @@
 # LIS2MDL
 Arduino library to support the LIS2MDL high-performance 3-axis magnetometer
+
+## API
+
+This sensor uses I2C or SPI to communicate.
+For I2C it is then required to create a TwoWire interface before accessing to the sensors:  
+
+    dev_i2c = new TwoWire(I2C_SDA, I2C_SCL);  
+    dev_i2c->begin();
+
+For SPI it is then required to create a SPI interface before accessing to the sensors:  
+
+    dev_spi = new SPIClass(SPI_MOSI, SPI_MISO, SPI_SCK);  
+    dev_spi->begin();
+
+An instance can be created and enbaled when the I2C bus is used following the procedure below:  
+
+    Magneto = new LIS2MDLSensor(dev_i2c);  
+    Magneto->Enable();
+
+An instance can be created and enbaled when the SPI bus is used following the procedure below:  
+
+    Magneto = new LIS2MDLSensor(dev_spi, CS_PIN);  
+    Magneto->Enable();
+
+The access to the sensor values is done as explained below:  
+
+  Read magnetometer.  
+
+    Magneto->GetAxes(&magnetometer);
+
+## Documentation
+
+You can find the source files at  
+https://github.com/stm32duino/LIS2MDL
+
+The LIS2MDL datasheet is available at  
+https://www.st.com/en/mems-and-sensors/lis2mdl.html

keywords.txt

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+#######################################
+# Syntax Coloring Map For LIS2MDL
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+LIS2MDLSensor	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+ReadID	KEYWORD2
+Enable	KEYWORD2
+Disable	KEYWORD2
+GetSensitivity	KEYWORD2
+GetOutputDataRate	KEYWORD2
+SetOutputDataRate	KEYWORD2
+GetFullScale	KEYWORD2
+SetFullScale	KEYWORD2
+GetAxes	KEYWORD2
+GetAxesRaw	KEYWORD2
+ReadReg	KEYWORD2
+WriteReg	KEYWORD2
+SetSelfTest	KEYWORD2
+GetDRDYStatus	KEYWORD2
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
+LIS2MDL_OK	LITERAL1
+LIS2MDL_ERROR	LITERAL1
+LIS2MDL_MAG_SENSITIVITY_FS_50GAUSS	LITERAL1

library.properties

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+name=STM32duino LIS2MDL
+version=1.0.0
+author=SRA
+maintainer=stm32duino
+sentence=Ultra Low Power 3D magnetometer.
+paragraph=This library provides Arduino support for the Ultra Low Power 3D magnetometer LIS2MDL for STM32 boards.
+category=Sensors
+url=https://github.com/stm32duino/LIS2MDL
+architectures=stm32, avr, sam