Revision 2:fdab96fc6fff, committed 2010-11-09

Comitter:

elrafapadron

Date:

Tue Nov 09 23:18:46 2010 +0000

Parent:

1:65e41eb3c291

Commit message:

Add functions to get Mx, My and Mz.
Correct function declaration; readData function wasn\t visible

Changed in this revision

--- a/HMC5843.cpp	Sat Oct 23 23:39:03 2010 +0000
+++ b/HMC5843.cpp	Tue Nov 09 23:18:46 2010 +0000
@@ -1,6 +1,6 @@
 /**
  * @author Jose R. Padron
- *@author Used HMCHMC6352 library  developed by Aaron Berk as template
+ * @author Used HMC6352 library  developed by Aaron Berk as template
  * @section LICENSE
  *
  * Copyright (c) 2010 ARM Limited
@@ -74,12 +74,6 @@
    wait_ms(100);
 }
 
-//void HMC5843::SelfTest() {
-
-    //Future
-
-//}
-
 
 void HMC5843::getAddress(char *buffer) {
     
@@ -137,5 +131,46 @@
     i2c_->read(HMC5843_I2C_READ,rx,2);
     readings[2]= (int)rx[0]<<8|(int)rx[1];
     
+}
+
+int HMC5843::getMx() {
+
+    char tx[1];
+    char rx[2];
+    
+    
+    tx[0]=HMC5843_X_MSB;
+    i2c_->write(HMC5843_I2C_READ,tx,1);
+    i2c_->read(HMC5843_I2C_READ,rx,2);
+    return ((int)rx[0]<<8|(int)rx[1]);
 
 }
+
+int HMC5843::getMy() {
+
+    char tx[1];
+    char rx[2];
+    
+    
+    tx[0]=HMC5843_Y_MSB;
+    i2c_->write(HMC5843_I2C_READ,tx,1);
+    i2c_->read(HMC5843_I2C_READ,rx,2);
+    return ((int)rx[0]<<8|(int)rx[1]);
+ 
+}
+
+
+int HMC5843::getMz(){
+
+    char tx[1];
+    char rx[2];
+    
+    
+    tx[0]=HMC5843_Z_MSB;
+    i2c_->write(HMC5843_I2C_READ,tx,1);
+    i2c_->read(HMC5843_I2C_READ,rx,2);
+    return ((int)rx[0]<<8|(int)rx[1]);
+ 
+}
+
+     

--- a/HMC5843.h	Sat Oct 23 23:39:03 2010 +0000
+++ b/HMC5843.h	Tue Nov 09 23:18:46 2010 +0000
@@ -1,6 +1,6 @@
 /**
  * @author Jose R. Padron
- *@author Used HMC5843 library  developed by Aaron Berk as template
+ * @author Used HMC5843 library  developed by Aaron Berk as template
  * @section LICENSE
  *
  * Copyright (c) 2010 ARM Limited
@@ -139,15 +139,7 @@
      */
     void setDefault();
     
-    
-    
-    /**
-     * Perform Self Test.
-     *
-     */
-   // void SelfTest();
-
-    
+       
     /**
      * Read the memory location on the device which contains the address.
      *
@@ -172,21 +164,46 @@
      /**
      * Write to  on the device.
      *
-       * @param address Address to write to.
+     * @param address Address to write to.
      * @param data Data to write.
      */
+    
     void write(int address, int data);
 
-     /* Get the output of all three axes.
+     /**
+     * Get the output of all three axes.
      *
      * @param Pointer to a buffer to hold the magnetics value for the
      *        x-axis, y-axis and z-axis [in that order].
      */
     void readData(int* readings);
     
-  /* Get the current operation mode.
+    /**
+     * Get the output of X axis.
+     *
+     * @return x-axis magnetic value
+     */
+    int getMx();
+    
+    /**
+     * Get the output of Y axis.
      *
-     * @return Staus register values
+     * @return y-axis magnetic value
+     */
+    int getMy();
+    
+    /**
+     * Get the output of Z axis.
+     *
+     * @return z-axis magnetic value
+     */
+    int getMz();
+   
+    
+    /**
+     * Get the current operation mode.
+     *
+     * @return Status register values
      */
     int getStatus(void);