Diff: K64MagAcc.h

Revision:

0:dfd48724e473

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/K64MagAcc.h	Wed Jun 18 17:12:40 2014 +0000
@@ -0,0 +1,63 @@
+/* Copyright (c) 2014 J Kernthaler 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.
+*/
+#ifndef K64MAGACC_H
+#define K64MAGACC_H
+#include "mbed.h"
+
+const PinName SDA = PTE25;
+const PinName SDL = PTE24;
+const int FX_addr = (0x1D<<1);
+
+class K64MagAcc
+{
+/** K64MagAcc class
+ *  Used for setting up and reading data from the FXOS8700Q device on the
+ *  K64F board.
+ *  Usage
+ *      Call the Update method to read data from the device
+ *      The data is made available through two float arrays Mag and Acc
+ */
+public:
+    /**
+    *   K64MagAcc constructor
+    *
+    *  @param sda Pin name of the I2C sda connection
+    *  @param sdl Pin name of the sdl connection
+    *  @param addr Address of the device on the I2C bus
+    *  @note On the K64F board these parameters are hard wired, so you can leave them out to use the default settings
+    */
+    K64MagAcc(PinName sda = SDA, PinName sdl = SDL, int addr = FX_addr);
+    void Update(void);
+    uint8_t WhoAmI();
+    int16_t MagData[3], AccData[3]; // raw data picked from data read
+    float Mag[3], Acc[3]; // scaled values in micro-Tesla and g
+    uint8_t Status;
+    
+private:
+    void readRegs(int addr, uint8_t * data, int len) ;
+    void writeRegs(uint8_t * data, int len);
+    int16_t Unpick14(int);
+    int16_t Unpick(int);
+    void Scale(int16_t*, float*, float);
+    void writeControl(uint8_t reg, uint8_t data);
+    I2C i2c;
+    int i2addr; 
+    uint8_t SensorData[13];
+};
+
+#endif