Max Houghton / Mbed 2 deprecated MagTrix

MagTrix Class

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:fb19c8f7ca8d, committed 2018-03-01

Comitter:
el15mh
Date:
Thu Mar 01 11:35:10 2018 +0000
Commit message:
Class for developing with the MagTrix system

Changed in this revision

MLX90393.lib Show annotated file Show diff for this revision Revisions of this file
MagTrix.cpp Show annotated file Show diff for this revision Revisions of this file
MagTrix.h Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
diff -r 000000000000 -r fb19c8f7ca8d MLX90393.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MLX90393.lib	Thu Mar 01 11:35:10 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Melexis/code/MLX90393/#9de27cbf8417

diff -r 000000000000 -r fb19c8f7ca8d MagTrix.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MagTrix.cpp	Thu Mar 01 11:35:10 2018 +0000
@@ -0,0 +1,133 @@
+#include "MagTrix.h"
+
+MagTrix::MagTrix(I2C * i2c) :
+    _i2c(i2c),
+    _device1(0x19, i2c),
+    _device2(0x1B, i2c),
+    _device3(0x1D, i2c),
+    _device4(0x1F, i2c)
+{
+    
+}
+
+void MagTrix::init(char * receiveBuffer)
+{
+    BusOut mux(D8, D9);
+    
+    mux = 0x00;
+        
+    _device1.SB(receiveBuffer, 0xF, 0);
+    _device2.SB(receiveBuffer, 0xF, 0);
+    _device3.SB(receiveBuffer, 0xF, 0);
+    _device4.SB(receiveBuffer, 0xF, 0);
+    
+    mux = 0x01;
+    
+    _device1.SB(receiveBuffer, 0xF, 0);
+    _device2.SB(receiveBuffer, 0xF, 0);
+    _device3.SB(receiveBuffer, 0xF, 0);
+    _device4.SB(receiveBuffer, 0xF, 0);
+
+    mux = 0x02;
+    
+    _device1.SB(receiveBuffer, 0xF, 0);
+    _device2.SB(receiveBuffer, 0xF, 0);
+    _device3.SB(receiveBuffer, 0xF, 0);
+    _device4.SB(receiveBuffer, 0xF, 0);
+    
+    mux = 0x03;
+    
+    _device1.SB(receiveBuffer, 0xF, 0);
+    _device2.SB(receiveBuffer, 0xF, 0);
+    _device3.SB(receiveBuffer, 0xF, 0);
+    _device4.SB(receiveBuffer, 0xF, 0); 
+}
+
+void MagTrix::read(char device, char * receiveBuffer, uint16_t * dataBuffer)
+{
+    BusOut mux(D8,D9);
+    
+    switch (device) {
+        
+        case (0x00) :
+            mux = 0x0;
+            _device1.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x01) :
+            mux = 0x0;
+            _device2.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x02) :
+            mux = 0x0;
+            _device3.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x03) :
+            mux = 0x0;
+            _device4.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x04) :
+            mux = 0x1;
+            _device1.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x05) :
+            mux = 0x1;
+            _device2.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x06) :
+            mux = 0x1;
+            _device3.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x07) :
+            mux = 0x1;
+            _device4.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x08) :
+            mux = 0x2;
+            _device1.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x09) :
+            mux = 0x2;
+            _device2.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0A) :
+            mux = 0x2;
+            _device3.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0B) :
+            mux = 0x2;
+            _device4.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0C) :
+            mux = 0x3;
+            _device1.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0D) :
+            mux = 0x3;
+            _device2.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0E) :
+            mux = 0x3;
+            _device3.RM(receiveBuffer, 0xF, 0);
+            break;
+        case (0x0F) :
+            mux = 0x3;
+            _device4.RM(receiveBuffer, 0xF, 0);
+            break;
+        default:
+            break;
+    }
+    
+    // Combine MSB and LSB to aquire raw decimal values
+    int16_t xM = receiveBuffer[3] * 256 + receiveBuffer[4];
+    int16_t yM = receiveBuffer[5] * 256 + receiveBuffer[6];
+    int16_t zM = receiveBuffer[7] * 256 + receiveBuffer[8];
+    
+    // Gain values of 0
+    static int16_t xC = 0;
+    static int16_t yC = 20;
+    static int16_t zC = 400;
+
+    dataBuffer[0] = xM * 0.00805 - xC;
+    dataBuffer[1] = yM * 0.00805 - yC;
+    dataBuffer[2] = zM * 0.02936 - zC;
+}

diff -r 000000000000 -r fb19c8f7ca8d MagTrix.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MagTrix.h	Thu Mar 01 11:35:10 2018 +0000
@@ -0,0 +1,26 @@
+#ifndef MAGTRIX_H
+#define MAGTRIX_H
+
+#include "mbed.h"
+#include "MLX90393.h"
+
+class MagTrix
+{
+public:
+    
+    MagTrix(I2C * i2c);
+    
+    void init(char * receiveBuffer);
+    void read(char device, char * receiveBuffer, uint16_t * dataBuffer);
+        
+private:
+
+    I2C * _i2c;
+    
+    MLX90393 _device1;
+    MLX90393 _device2;
+    MLX90393 _device3;
+    MLX90393 _device4;
+};
+
+#endif /* MAGTRIX_H */

diff -r 000000000000 -r fb19c8f7ca8d mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Mar 01 11:35:10 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/5571c4ff569f
\ No newline at end of file