From 6d19c32cb0bc311838a580d3ec07036ce492d843 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 8 Jan 2012 15:44:59 +0100
Subject: remove lots of dead code

---
 usb-dfu-experiment/main.c | 74 -----------------------------------------------
 1 file changed, 74 deletions(-)

diff --git a/usb-dfu-experiment/main.c b/usb-dfu-experiment/main.c
index 001d8c7..d630494 100644
--- a/usb-dfu-experiment/main.c
+++ b/usb-dfu-experiment/main.c
@@ -68,13 +68,6 @@
  *         Definitions
  *----------------------------------------------------------------------------*/
 
-#if 0
-/**  Number of available audio buffers. */
-#define BUFFER_NUMBER       8
-/**  Size of one buffer in bytes. */
-#define BUFFER_SIZE         (AUDDLoopRecDriver_BYTESPERFRAME*2)
-#endif
-
 /// Use for power management
 #define STATE_IDLE    0
 /// The USB device is in suspend state
@@ -88,22 +81,6 @@
 /// State of USB, for suspend and resume
 unsigned char USBState = STATE_IDLE;
 
-#if 0
-/**  Data buffers for receiving audio frames from the USB host. */
-static uint8_t buffers[BUFFER_NUMBER][BUFFER_SIZE];
-/**  Number of samples stored in each data buffer. */
-static uint32_t bufferSizes[BUFFER_NUMBER];
-/**  Next buffer in which USB data can be stored. */
-static uint32_t inBufferIndex = 0;
-/**  Number of buffers that can be sent to the DAC. */
-static volatile uint32_t numBuffersToSend = 0;
-#endif
-
-/**  Current state of the playback stream interface. */
-static volatile uint8_t isPlyActive = 0;
-/**  Current state of the record stream interface. */
-static volatile uint8_t isRecActive = 0;
-
 /*----------------------------------------------------------------------------
  *         VBus monitoring (optional)
  *----------------------------------------------------------------------------*/
@@ -193,57 +170,6 @@ static void USBPower_Configure( void )
   #endif
 }
 
-/*----------------------------------------------------------------------------
- *         Internal functions
- *----------------------------------------------------------------------------*/
-
-#if 0
-/**
- *  Invoked when a frame has been received.
- */
-static void FrameReceived(uint32_t unused,
-                          uint8_t status,
-                          uint32_t transferred,
-                          uint32_t remaining)
-{
-    if (status == USBD_STATUS_SUCCESS)
-    {
-        /* Loopback! add this buffer to write list */
-        if (!isRecActive)  {}
-        else
-        {
-            AUDDLoopRecDriver_Write(buffers[inBufferIndex],
-                                         AUDDLoopRecDriver_BYTESPERFRAME,
-					 NULL, 0);
-        }
-
-        /* Update input status data */
-        bufferSizes[inBufferIndex] = transferred
-                                        / AUDDLoopRecDriver_BYTESPERSAMPLE;
-        inBufferIndex = (inBufferIndex + 1) % BUFFER_NUMBER;
-        numBuffersToSend++;
-
-    }
-    else if (status == USBD_STATUS_ABORTED)
-    {
-        /* Error , ABORT, add NULL buffer */
-        bufferSizes[inBufferIndex] = 0;
-        inBufferIndex = (inBufferIndex + 1) % BUFFER_NUMBER;
-        numBuffersToSend++;
-    }
-    else
-    {
-        /* Packet is discarded */
-    }
-
-    /* Receive next packet */
-    AUDDLoopRecDriver_Read(buffers[inBufferIndex],
-                           AUDDLoopRecDriver_BYTESPERFRAME,
-                           (TransferCallback) FrameReceived,
-                           0); // No optional argument
-}
-#endif
-
 /*----------------------------------------------------------------------------
  *         Callbacks re-implementation
  *----------------------------------------------------------------------------*/
-- 
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