From 92ec11b505a5b68c33e6158dbc68cea1d23cbd35 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Tue, 10 Feb 2015 12:33:58 +0100
Subject: Reduce CPU frequency

Also reduces PWM frequency. The speakers resonance frequency is 2kHz, with 1MHz
clock speed and prescaler 256 we get pretty close.
---
 gyro.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

(limited to 'gyro.c')

diff --git a/gyro.c b/gyro.c
index 3079c20..5b32314 100644
--- a/gyro.c
+++ b/gyro.c
@@ -136,16 +136,15 @@ bool gyroProcess () {
 			if (shouldWakeup (WAKE_I2C)) {
 				disableWakeup (WAKE_I2C);
 				state = IDLE;
-				assert (twr.status != TWST_ERR);
-				if (twr.status == TWST_OK) {
-					/* new data transfered, process it */
-					/* poor man's noise filter */
-					if (abs (zval) > 64) {
-						zaccum += zval;
-					}
-					gyroProcessTicks ();
-					return true;
+				/* the bus might be in use again already */
+				//assert (twr.status == TWST_OK);
+				/* new data transfered, process it */
+				/* poor man's noise filter */
+				if (abs (zval) > 64) {
+					zaccum += zval;
 				}
+				gyroProcessTicks ();
+				return true;
 			}
 			break;
 
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