From b742ab3a288a1164b4ceb6e58ae42115d320d580 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Tue, 16 Sep 2014 15:31:53 +0200
Subject: Finally fix speaker

Use one timer for LED/speaker. Not sure why two did not work.
---
 pwm.h | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'pwm.h')

diff --git a/pwm.h b/pwm.h
index 96deaae..c67f2a6 100644
--- a/pwm.h
+++ b/pwm.h
@@ -7,12 +7,18 @@ void pwmStart ();
 void pwmStop ();
 void pwmSet (const uint8_t, const uint8_t);
 
-/* LED on (max brightness) */
-#define PWM_ON UINT8_MAX
-/* LED off */
-#define PWM_OFF 0
+typedef enum {
+	SPEAKER_BEEP,
+} speakerMode;
+
+void speakerStart (const speakerMode);
+
 #define PWM_LED_COUNT 6
+
+#define PWM_OFF 0
+/* must be power-of-two */
 #define PWM_MAX_BRIGHTNESS 8
+#define PWM_ON PWM_MAX_BRIGHTNESS
 
 #endif /* PWM_H */
 
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