Diff: main.cpp

Revision:

0:10c0e81df4ba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 12 04:58:22 2018 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+#include "LIS2MDL.h"
+
+#define LIS2MDL_intPin  p16 // interrupt for magnetometer data ready
+
+uint8_t MODR = MODR_100Hz;
+int16_t temp[3] = {0, 0, 0};
+float magBias[3] = {0,0,0}, magScale[3]  = {0,0,0};
+
+//Attach interrupt to this pin if you want to use magnetometer sensor interrupt
+// Before that make sure to set the correct interrupt value in the INT_CTRL_REG, INT_THS_L_REG and the INT_THS_H_REG (threshold value)
+DigitalIn interruptPin(LIS2MDL_intPin);
+
+// The itracker has the LIS2MDL sensor on the 13 and 11 I2C pins
+I2C i2c(p13,p11);
+
+// main() method. Runs in its own thread in the OS
+int main()
+{
+    //Create LIS2MDL object
+    LIS2MDL sensor(i2c, LIS2MDL_ADDRESS);
+    
+    //Reset the sensor to ensure correct starting config register values
+    sensor.reset();
+    wait(3);
+    
+    //Intialise the CHIP with the MODR value chosen
+    sensor.init(MODR);
+    
+    //Test the Chip ID. Should return 64 (0x40)
+    sensor.getChipID();
+    
+    // Calcaulte the offset bias to be used in future reading. See self check for example usage
+    sensor.offsetBias(magBias, magScale);
+    
+    // Read the internal temp sensor
+    sensor.readTemperature();
+
+    //Get readings from the sensor;
+    for(int i=0; i<60; i++) {
+        int16_t temp[3] = {0, 0, 0};
+        sensor.readData(temp);
+        wait(0.1);
+    }
+}
+