Fix incorrect macro guard in the UC3 EndpointStream header file.

[pub/USBasp.git] / Demos / Device / LowLevel / AudioOutput / AudioOutput.c

diff --git a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
index cea44e2..93ca370 100644 (file)
--- a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
+++ b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.
 
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -37,7 +37,8 @@
 #include "AudioOutput.h"
 
 /** Flag to indicate if the streaming audio alternative interface has been selected by the host. */
-bool StreamingAudioInterfaceSelected = false;
+static bool StreamingAudioInterfaceSelected = false;
+
 
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
@@ -80,7 +81,7 @@ void EVENT_USB_Device_Connect(void)
 
        /* Sample reload timer initialization */
        TIMSK0 = (1 << OCIE0A);
-       OCR0A  = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
+       OCR0A  = ((F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1);
        TCCR0A = (1 << WGM01);  // CTC mode
        TCCR0B = (1 << CS01);   // Fcpu/8 speed
 
@@ -147,11 +148,11 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 }
 
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- *  control requests that are not handled internally by the USB library (including the Audio class-specific
- *  requests) so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ *  the device from the USB host before passing along unhandled control requests to the library for processing
+ *  internally.
  */
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
 {
        /* Process General and Audio specific control requests */
        switch (USB_ControlRequest.bRequest)
@@ -183,8 +184,8 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
        if (Endpoint_IsOUTReceived() && StreamingAudioInterfaceSelected)
        {
                /* Retrieve the signed 16-bit left and right audio samples, convert to 8-bit */
-               int8_t LeftSample_8Bit   = ((int16_t)Endpoint_Read_Word_LE() >> 8);
-               int8_t RightSample_8Bit  = ((int16_t)Endpoint_Read_Word_LE() >> 8);
+               int8_t LeftSample_8Bit   = ((int16_t)Endpoint_Read_16_LE() >> 8);
+               int8_t RightSample_8Bit  = ((int16_t)Endpoint_Read_16_LE() >> 8);
 
                /* Mix the two channels together to produce a mono, 8-bit sample */
                int8_t MixedSample_8Bit  = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);