From: Paul Hänsch <paul@plutz.net>
Date: Sun, 10 Mar 2019 18:09:22 +0000 (+0100)
Subject: swap axis of accelerometer to emulate android norm
X-Git-Url: https://git.plutz.net/?a=commitdiff_plain;h=f5a7e027d48f68f88336a088a44135dc10b19d31;p=rpi_small

swap axis of accelerometer to emulate android norm
---

diff --git a/files_gyro/opt/gyro/mpu6050.sh b/files_gyro/opt/gyro/mpu6050.sh
index 7184bff..ca8d3f5 100755
--- a/files_gyro/opt/gyro/mpu6050.sh
+++ b/files_gyro/opt/gyro/mpu6050.sh
@@ -58,6 +58,8 @@ done \
   # derive bearing from rotation
   aa=$((aa + a / 10)) ab=$((ab + b / 10)) ac=$((ac + c / 10))
 
+  # print data and swap axis
+  # axis swap dependent on individual device layout
   printf 'event: motion
           data: %04i %04i %04i
           
@@ -69,7 +71,7 @@ done \
           
           event: temperature
           data: %04i
-       \n' $x $y $z \
+       \n' $x $((-y)) $((-z)) \
 	   $a $b $c \
 	   $((aa * 12500 / 8192)) $((ab * 12500 / 8192)) $((ac * 12500 / 8192)) \
 	   $t \