X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fdrivers%2Fao_adxl375.h;h=fe448fd0e27857d06592188d5aa38548ca5b6348;hb=eb77758b7dcdd0bcef12cd1d56cf4d447cbe5c8c;hp=a1ed216dc447abfefe8b139a60c64aac9e0c5f54;hpb=0686a7b8aec524d81bda4c572549a3a068ce0eed;p=fw%2Faltos

diff --git a/src/drivers/ao_adxl375.h b/src/drivers/ao_adxl375.h
index a1ed216d..fe448fd0 100644
--- a/src/drivers/ao_adxl375.h
+++ b/src/drivers/ao_adxl375.h
@@ -93,6 +93,8 @@
 
 #define AO_ADXL375_FIFO_STATUS		0x39
 
+#define ADXL375_ACCEL_FULLSCALE		200
+
 struct ao_adxl375_sample {
 	int16_t	x;
 	int16_t	y;
@@ -101,6 +103,8 @@ struct ao_adxl375_sample {
 
 extern struct ao_adxl375_sample	ao_adxl375_current;
 
+#define ao_adxl375_accel_to_sample(accel) ((accel_t) (accel) * (4095.0f / (ADXL375_ACCEL_FULLSCALE * GRAVITY)))
+
 void
 ao_adxl375_init(void);