Seeed / grove_compass

grove_compass

Diff: grove_compass.h

Revision:
0:609518794a5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/grove_compass.h	Tue Jun 09 10:17:32 2015 +0000
@@ -0,0 +1,27 @@
+
+
+
+#ifndef __GROVE_COMPASS_H__
+#define __GROVE_COMPASS_H__
+
+#include "suli2.h"
+
+#define HMC5883L_ADDRESS (0x1E<<1)
+
+#define CONFIGURATION_REGISTERA 0x00
+#define CONFIGURATION_REGISTERB 0x01
+#define MODE_REGISTER 0x02
+#define DATA_REGISTER_BEGIN 0x03
+
+#define MEASUREMENT_CONTINUOUS 0x00
+#define MEASUREMENT_SINGLE_SHOT 0x01
+#define MEASUREMENT_IDLE 0x03
+
+#define PI ((float)3.1415926)
+
+void grove_compass_init(I2C_T *i2c, int pinsda, int pinscl);
+bool grove_compass_write_setup(I2C_T *i2c);
+bool grove_compass_getxyz_scaled(I2C_T *i2c, float *ax, float *ay, float *az);
+bool grove_compass_getheading(I2C_T *i2c, float *heading);
+
+#endif