Diff: eCompass_Lib.h

Revision:

3:98d426530167

Child:

6:37bc03c3b1f9

diff -r 15ecb3c9d22f -r 98d426530167 eCompass_Lib.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eCompass_Lib.h	Sun Apr 13 21:23:57 2014 +0000
@@ -0,0 +1,90 @@
+/************************************************************************************************
+* File       : eCompass.h
+* Date       : 18/07/2013 
+* Purpose    : Wi-Go eCompass interface and hardware peripherals definition 
+* Author     : Frank Vannieuwkerke
+* Description: ported from Avnet Wi-Go code
+*              For additional information on Wi-Go please visit
+*                    www.em.avnet.com/wi-go
+*              Additional info on the Freescale eCompass software is available at
+*                    http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=E-Compass
+************************************************************************************************/
+#ifndef ECOMPASS_H__
+#define ECOMPASS_H__
+
+#include "mbed.h"
+//#include "Wi-Go_eCompass_Lib_V3.ar"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+typedef short int16;
+typedef unsigned short uint16;
+typedef unsigned int uint32;
+typedef unsigned char byte;
+
+extern void run_eCompass(void);
+extern void init_eCompass(void);
+extern void calibrate_eCompass(void);
+
+#define NED_COMPASS     1
+#define ANDROID_COMPASS 2
+#define WINDOWS_COMPASS 3
+
+//  Macros for constants used in fractional decimal conversion routine.
+//  FRAC_2d1 = 2^-1 = 0.5
+//  FRAC_2d2 = 2^-2 = 0.25 etc...
+#define FRAC_2d1              5000
+#define FRAC_2d2              2500
+#define FRAC_2d3              1250
+#define FRAC_2d4               625  
+
+// sensor scaling constants
+#define FCOUNTSPERUT 10.0F              // sensor specific: MAG3110 provide 10 counts / uT 
+#define FCOUNTSPERG 4096.0F             // sensor specific: MMA8451 provide 4096 counts / g in 2g mode
+
+typedef struct  {
+    // Always 1
+       uint16              packet_id;
+    // Light sensor
+       int16               light;
+    // Counts at a 0.020MS interval when sensor data is processed
+       uint32              timestamp;
+    // Ineeger data from accelerometer
+       int16               acc_x, acc_y, acc_z;
+    // Integer data from Magnetometer
+       int16               mag_x, mag_y, mag_z;
+     // Roll, Pitch, Yaw and Compass from the eCompass algorithm
+       int16               roll, pitch, yaw, compass;
+    // Altitude and temperature
+       int16               alt, temp;
+    // Data from Accelerometer converted to floating point
+       float               fax, fay, faz;
+    // Accelerometer data converted to G's
+       float               fGax, fGay, fGaz;
+    // Data from Magnetometer converted to floating point
+       float               fmx, fmy, fmz;
+    // Magnetometer data converted to UT's
+       float               fUTmx, fUTmy, fUTmz;
+       float               q0, q1, q2, q3;
+    
+} axis6_t;
+
+class eCompass
+{
+public:
+    eCompass();
+    void run(int16_t * acc, int16_t * mag);
+    void calibrate(void);
+    void init(void);
+    
+
+private:
+};
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif
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