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#ifndef UIMGR_H
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#define UIMGR_H
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/*
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    Copyright (C) 2004    John Orlando
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   AVRcam: a small real-time image processing engine.
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    This program is free software; you can redistribute it and/or
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    modify it under the terms of the GNU General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This program is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    General Public License for more details.
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    You should have received a copy of the GNU General Public
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    License along with this program; if not, write to the Free Software
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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   For more information on the AVRcam, please contact:
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   john@jrobot.net
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   or go to www.jrobot.net for more details regarding the system.
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*/
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/***********************************************************
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	Module Name: UIMgr.h
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	Module Date: 04/10/2004
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	Module Auth: John Orlando
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	Description: This file provides the external interface
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	to the UI Mgr.
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    Revision History:
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    Date        Rel Ver.    Notes
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    4/10/2004      0.1     Module created
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    6/30/2004      1.0     Initial release for Circuit Cellar
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                           contest.
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***********************************************************/
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/* Defines */
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#define UI_MGR_RX_FIFO_SIZE 32 
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#define UI_MGR_RX_FIFO_MASK UI_MGR_RX_FIFO_SIZE-1 
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#define UI_MGR_TX_FIFO_SIZE 64
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#define UI_MGR_TX_FIFO_MASK UI_MGR_TX_FIFO_SIZE-1
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#define LENGTH_OF_UI_CMD 		2
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#define UI_MGR_MAX_CMD_LENGTH 	32
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#define MAX_TOKEN_LENGTH		3   /* needs to hold 0 - 255 in ASCII format */
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#define MAX_TOKEN_COUNT			64  /* for setting the color maps */
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/* External Variable Reference */
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extern unsigned char UIMgr_rxFifo[];
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extern unsigned char UIMgr_rxFifoHead;
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extern unsigned char UIMgr_rxFifoTail;
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/* External Function Declaration */
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extern void UIMgr_init(void);
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extern void UIMgr_writeBufferToTxFifo(unsigned char *pData, unsigned char length);
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extern void UIMgr_txBuffer(unsigned char *pData, unsigned char length);
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extern void UIMgr_processReceivedData(void);
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extern void UIMgr_transmitPendingData(void);
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extern void UIMgr_dispatchEvent(unsigned char event);
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extern void UIMgr_flushTxBuffer(void);
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extern void UIMgr_writeTxFifo(unsigned char data);
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#endif	
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