X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdrivers%2Fao_adxl375.h;h=32fe0fac30247948e710c3d9b8fcaaf080ea64d9;hb=HEAD;hp=a1ed216dc447abfefe8b139a60c64aac9e0c5f54;hpb=30e4e286eec31e69ad1e69a44cf00d4549a09f88;p=fw%2Faltos

diff --git a/src/drivers/ao_adxl375.h b/src/drivers/ao_adxl375.h
index a1ed216d..32fe0fac 100644
--- a/src/drivers/ao_adxl375.h
+++ b/src/drivers/ao_adxl375.h
@@ -72,8 +72,8 @@
 # define AO_ADXL375_DATA_FORMAT_FIXED		0x0b	/* these bits must be set to 1 */
 # define AO_ADXL375_DATA_FORMAT_SELF_TEST	7
 # define AO_ADXL375_DATA_FORMAT_SPI		6
-# define  AO_ADXL375_DATA_FORMAT_SPI_3_WIRE		0
-# define  AO_ADXL375_DATA_FORMAT_SPI_4_WIRE		1
+# define  AO_ADXL375_DATA_FORMAT_SPI_3_WIRE		1
+# define  AO_ADXL375_DATA_FORMAT_SPI_4_WIRE		0
 # define AO_ADXL375_DATA_FORMAT_INT_INVERT	5
 # define AO_ADXL375_DATA_FORMAT_JUSTIFY		2
 #define AO_ADXL375_DATAX0		0x32
@@ -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);