Firmware Library for X-NUCLEO-IKS01A1 (MEMS Inertial & Environmental Sensors) Expansion Board


Dependents:   MultiTech_Dragonfly_2015_ATT_Gov_Solutions_Hackathon_Example HelloWorld_IKS01A1 LoRaWAN-test-10secs ServoMotorDemo ... more

Fork of X_NUCLEO_IKS01A1 by ST Expansion SW Team

X-NUCLEO-IKS01A1 MEMS Inertial & Environmental Sensor Nucleo Expansion Board Firmware Package


This firmware package includes Components Device Drivers and Board Support Package for STMicroelectronics' X-NUCLEO-IKS01A1 MEMS Inertial & Environmental Sensors Nucleo Expansion Board.

Firmware Library

Class X_NUCLEO_IKS01A1 is intended to represent the MEMS inertial & environmental sensors expansion board with the same name.

The expansion board is basically featuring four IPs:

  1. a HTS221 Relative Humidity and Temperature Sensor,
  2. a LIS3MDL 3-Axis Magnetometer,
  3. a LPS25H MEMS Pressure Sensor, and
  4. a LSM6DS0 3D Accelerometer and 3D Gyroscope

The expansion board features also a DIL 24-pin socket which makes it possible to add further MEMS adapters and other sensors (e.g. UV index).

It is intentionally implemented as a singleton because only one X_NUCLEO_IKS01A1 at a time might be deployed in a HW component stack. In order to get the singleton instance you have to call class method `Instance()`, e.g.:

// Sensors expansion board singleton instance
static X_NUCLEO_IKS01A1 *sensors_expansion_board = X_NUCLEO_IKS01A1::Instance();

Furthermore, library ST_INTERFACES contains all abstract classes which together constitute the common API to which all existing and future ST components will adhere to.

Example Applications

--- a/x_nucleo_iks01a1.h	Thu Dec 17 07:18:13 2015 +0000
+++ b/x_nucleo_iks01a1.h	Tue May 31 13:22:48 2016 +0000
@@ -119,6 +119,16 @@
 					  PinName ff_irq_pin = IKS01A1_PIN_FF);
 	static X_NUCLEO_IKS01A1* Instance(PinName sda, PinName scl, PinName ff_irq_pin = NC);
+	/**
+ 	* @brief      Destructor
+	*/	
+	~X_NUCLEO_IKS01A1(){
+		//if(dev_i2c!=NULL){ delete dev_i2c; dev_i2c=0; }  how to understand if dev_i2c is locally allocated (so it must be deleted) or comes from constructors args?
+   		if(ht_sensor!=NULL){ delete ht_sensor; ht_sensor=NULL; }
+   		if(magnetometer!=NULL){ delete magnetometer; magnetometer=NULL; }
+   		if(pt_sensor!=NULL){ delete pt_sensor; pt_sensor=NULL; }          		
+	}
 	DevI2C  *dev_i2c;
 	HTS221  *ht_sensor;