2015-08-04 21:52:48 +00:00
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/*----------------------------------------------------------------------------
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* Name: DEMO.H
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* Purpose: USB Audio Demo Definitions
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* Version: V1.10
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*----------------------------------------------------------------------------
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* This software is supplied "AS IS" without any warranties, express,
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* implied or statutory, including but not limited to the implied
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* warranties of fitness for purpose, satisfactory quality and
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* noninfringement. Keil extends you a royalty-free right to reproduce
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* and distribute executable files created using this software for use
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* on Philips LPC2xxx microcontroller devices only. Nothing else gives
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* you the right to use this software.
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*
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* Copyright (c) 2005-2006 Keil Software.
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*---------------------------------------------------------------------------*/
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/* Clock Definitions */
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#define CPU_CLOCK 60000000 /* CPU Clock */
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#define VPB_CLOCK (CPU_CLOCK/1) /* VPB Clock */
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/* Audio Definitions */
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#define DATA_FREQ 32000 /* Audio Data Frequency */
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#define P_S 32 /* Packet Size */
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#if USB_DMA
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#define P_C 4 /* Packet Count */
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#else
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#define P_C 1 /* Packet Count */
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#endif
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#define B_S (8*P_C*P_S) /* Buffer Size */
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/* Push Button Definitions */
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#define PBINT 0x00004000 /* P0.14 */
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/* LED Definitions */
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#define LEDMSK 0x00FF0000 /* P1.16..23 */
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/* Audio Demo Variables */
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extern BYTE Mute; /* Mute State */
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extern DWORD Volume; /* Volume Level */
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extern WORD VolCur; /* Volume Current Value */
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extern DWORD InfoBuf[P_C]; /* Packet Info Buffer */
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extern short DataBuf[B_S]; /* Data Buffer */
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extern WORD DataOut; /* Data Out Index */
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extern WORD DataIn; /* Data In Index */
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extern BYTE DataRun; /* Data Stream Run State */
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