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Diffstat (limited to 'src/drivers/ao_bmx160.h')
-rw-r--r--src/drivers/ao_bmx160.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/drivers/ao_bmx160.h b/src/drivers/ao_bmx160.h
index 265be995..2b7e7bd7 100644
--- a/src/drivers/ao_bmx160.h
+++ b/src/drivers/ao_bmx160.h
@@ -19,6 +19,8 @@
#ifndef _AO_BMX160_H_
#define _AO_BMX160_H_
+#include <math.h>
+
struct ao_bmx160_sample {
int16_t mag_x;
int16_t mag_y;
@@ -250,4 +252,18 @@ ao_bmx160_init(void);
#define BMM150_REPZ 0x52
#define BMM150_REPZ_VALUE(n) ((n) -1)
+#define BMX160_GYRO_FULLSCALE ((float) 2000 * M_PI/180.0)
+
+static inline float
+ao_bmx160_gyro(float sensor) {
+ return sensor * ((float) (BMX160_GYRO_FULLSCALE / 32767.0));
+}
+
+#define BMX160_ACCEL_FULLSCALE 16
+
+static inline float
+ao_bmx160_accel(int16_t sensor) {
+ return (float) sensor * ((float) (BMX160_ACCEL_FULLSCALE * GRAVITY / 32767.0));
+}
+
#endif /* _BMX160_H_ */