Adjusted sample CTC timer calculations in the AudioOutput and AudioInput demos...

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).

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
 }

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
 			

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
   *