From e2e3038c627ea7460915cdd535cb91301af614a7 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Thu, 26 Feb 2015 14:39:30 +0100
Subject: accel: Stop polling

Use freefall interrupts instead. This drop the fancy horizon/shake detection
algorithms, but it works surprisingly well and is way more energy-efficient.

Shake detection is a little too sensitive imo and horizon detection needs some
tweaking too.
---
 accel.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'accel.h')

diff --git a/accel.h b/accel.h
index edb2540..fcaaafd 100644
--- a/accel.h
+++ b/accel.h
@@ -13,11 +13,9 @@ typedef uint8_t horizon;
 void accelInit ();
 void accelStart ();
 void accelProcess ();
-int8_t accelGetZ ();
-int8_t accelGetNormalizedZ ();
-uint8_t accelGetShakeCount ();
+horizon accelGetHorizon (bool * const);
 void accelResetShakeCount ();
-horizon accelGetHorizon ();
+uint8_t accelGetShakeCount ();
 
 #endif /* ACCEL_H */
 
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