From: Dean Camera <dean@fourwalledcubicle.com>
Date: Tue, 14 Apr 2009 08:17:24 +0000 (+0000)
Subject: Adjusted sample CTC timer calculations in the AudioOutput and AudioInput demos to... 
X-Git-Tag: LUFA-110528-BETA~1222
X-Git-Url: http://git.linex4red.de/pub/USBasp.git/commitdiff_plain/fea5d085122bb386f1ec293b2e51036e29c7dc30

Adjusted sample CTC timer calculations in the AudioOutput and AudioInput demos to account for situations where the division results in a value with no remainder, requiring one to be subtracted from the result (thanks to Robin Theunis).
---

diff --git a/Demos/Device/AudioInput/AudioInput.c b/Demos/Device/AudioInput/AudioInput.c
index f41306f3b..b0c029573 100644
--- a/Demos/Device/AudioInput/AudioInput.c
+++ b/Demos/Device/AudioInput/AudioInput.c
@@ -95,7 +95,7 @@ EVENT_HANDLER(USB_Connect)
 	UpdateStatus(Status_USBEnumerating);
 
 	/* Sample reload timer initialization */
-	OCR0A   = (F_CPU / AUDIO_SAMPLE_FREQUENCY);
+	OCR0A   = (F_CPU / AUDIO_SAMPLE_FREQUENCY) - ((F_CPU % AUDIO_SAMPLE_FREQUENCY) == 0 ? 1 : 0);
 	TCCR0A  = (1 << WGM01);  // CTC mode
 	TCCR0B  = (1 << CS00);   // Fcpu speed
 }
diff --git a/Demos/Device/AudioOutput/AudioOutput.c b/Demos/Device/AudioOutput/AudioOutput.c
index 855edf68c..0554361c6 100644
--- a/Demos/Device/AudioOutput/AudioOutput.c
+++ b/Demos/Device/AudioOutput/AudioOutput.c
@@ -90,7 +90,7 @@ EVENT_HANDLER(USB_Connect)
 	UpdateStatus(Status_USBEnumerating);
 	
 	/* Sample reload timer initialization */
-	OCR0A   = (F_CPU / AUDIO_SAMPLE_FREQUENCY);
+	OCR0A   = (F_CPU / AUDIO_SAMPLE_FREQUENCY) - ((F_CPU % AUDIO_SAMPLE_FREQUENCY) == 0 ? 1 : 0);
 	TCCR0A  = (1 << WGM01);  // CTC mode
 	TCCR0B  = (1 << CS00);   // Fcpu speed
 			
diff --git a/LUFA/ChangeLog.txt b/LUFA/ChangeLog.txt
index e2d699c3e..78f1ec747 100644
--- a/LUFA/ChangeLog.txt
+++ b/LUFA/ChangeLog.txt
@@ -29,6 +29,8 @@
   *  - Fixed GenericHID demo not starting USB and HID management tasks when not using interrupt driven modes (thanks to Carl Kjeldsen)
   *  - Fixed RNDISEthenet demo checking the incorrect message field for packet size constraints (thanks to Jonathan)
   *  - Fixed WriteNextReport code in the GenericHIDHost demo using incorrect parameter types and not selecting the correct endpoint
+  *  - Adjusted sample CTC timer calculations in the AudioOutput and AudioInput demos to account for situations where the division results
+  *    in a value with no remainder, requiring one to be subtracted from the result (thanks to Robin Theunis)
   *
   *  \section Sec_ChangeLog090401 Version 090401
   *