Diff: MAG3110.cpp

Revision:

0:f430a728163a

Child:

1:4194a41cfd16

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAG3110.cpp	Sat Jan 23 00:04:56 2016 +0000
@@ -0,0 +1,62 @@
+ /* Copyright (c) 2015 NXP Semiconductors. MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "MAG3110.h"
+ #include "mbed.h"
+
+MAG3110::MAG3110(PinName sda, PinName scl) : MAG3110_i2c(sda,scl)
+ {
+       
+ }
+    
+ 
+  void MAG3110::MAG3110_config(void)
+ {
+   char d[2];
+   d[0] = MAG3110_CTRL_REG1;                     //Puts device in Standby mode
+   d[1] = 0x00;
+   MAG3110_i2c.write(MAG3110_I2C_ADDRESS, d,2);   
+          
+      
+   d[0] = MAG3110_CTRL_REG2;                   //Set Automatic Magnetic Sensor Reset bit
+   d[1] = 0x80;
+   MAG3110_i2c.write(MAG3110_I2C_ADDRESS, d, 2);   
+   
+   d[0] = MAG3110_CTRL_REG1;                   //Set ODR=40Hz and OSR=32 and set device to active mode.
+   d[1] = 0x09;
+   MAG3110_i2c.write(MAG3110_I2C_ADDRESS, d, 2);   
+ 
+   
+ }
+ 
+ void MAG3110::acquire_MAG3110_data_uT(float * m_data)
+ {
+  
+   char data_bytes[7];
+   char d[1];
+   d[0]=MAG3110_DR_STATUS;
+   MAG3110_i2c.write(MAG3110_I2C_ADDRESS,d,1,true);  
+   MAG3110_i2c.read(MAG3110_I2C_ADDRESS,data_bytes,7);// Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
+
+   m_data[0] =  (float)((int16_t)((data_bytes[1]*256) + (data_bytes[2]))) * 0.1;
+   m_data[1] =  (float)((int16_t)((data_bytes[3]*256) + (data_bytes[4]))) * 0.1;
+   m_data[2] =  (float)((int16_t)((data_bytes[5]*256) + (data_bytes[6]))) * 0.1;
+   
+ }
+     
+     
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