ST / LSM303AGR

Ultra-compact high-performance eCompass module: ultra-low power 3D accelerometer and 3D magnetometer.

Dependencies:   X_NUCLEO_COMMON ST_INTERFACES

Dependents:   HelloWorld_ST_Sensors MOTENV_Mbed mbed-os-mqtt-client LSM303AGR_JS ... more

Diff: LSM303AGRMagSensor.cpp

Revision:
2:e37be5550633
Parent:
1:86d530a7f949
--- a/LSM303AGRMagSensor.cpp	Wed Sep 27 16:49:51 2017 +0200
+++ b/LSM303AGRMagSensor.cpp	Mon Oct 02 09:29:33 2017 +0200
@@ -42,7 +42,22 @@
 
 
 /* Class Implementation ------------------------------------------------------*/
+LSM303AGRMagSensor::LSM303AGRMagSensor(SPI *spi, PinName cs_pin, PinName intmag_pin) :
+                                      _dev_spi(spi), _cs_pin(cs_pin), _intmag_pin(intmag_pin) // SPI3W ONLY
+{
+    assert (spi);
+    if (cs_pin == NC) 
+    {
+        printf ("ERROR LSM303AGRMagSensor CS MUST NOT BE NC\n\r");        
+        _dev_spi = NULL;
+        _dev_i2c=NULL;
+        return;
+    }       
+    _cs_pin = 0;     // enable SPI3W disable I2C
+    _dev_i2c=NULL;    
 
+    LSM303AGR_ACC_W_SPI_mode((void *)this, LSM303AGR_ACC_SIM_3_WIRES);    
+}
 /** Constructor
  * @param i2c object of an helper class which handles the I2C peripheral
  * @param address the address of the component's instance
@@ -51,7 +66,8 @@
                                        _dev_i2c(i2c), _address(address), _cs_pin(NC), _intmag_pin(intmag_pin)
 {
     assert (i2c);
-};
+    _dev_spi = NULL;      
+}
 
 /**
  * @brief     Initializing the component.