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#ifndef CAMINTERFACE_H
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#define CAMINTERFACE_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: CamInterface.h
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Module Date: 04/14/2004
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Module Auth: John Orlando
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Description: This file is responsible for providing the
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external interface to the CamInterface module.
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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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#define NUM_PIXELS_IN_A_TRACKED_LINE 88
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#define NUM_PIXELS_IN_A_DUMP_LINE 176
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#define ACTUAL_NUM_PIXELS_IN_A_LINE 176
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#define ACTUAL_NUM_LINES_IN_A_FRAME 144
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#define LENGTH_OF_RUN_LENGTH_BLOCK 2
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#define LENGTH_OF_LINE_BUFFER NUM_PIXELS_IN_A_DUMP_LINE
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#define WAIT_FOR_VSYNC_LOW() while( (PIND & 0x04) != 0)
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#define WAIT_FOR_VSYNC_HIGH() while( (PIND & 0x04) == 0)
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#define WAIT_FOR_HREF_LOW() while( (PIND & 0x10) != 0)
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#define WAIT_FOR_HREF_HIGH() while( (PIND & 0x10) == 0)
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#define WAIT_FOR_PCLK_LOW() while( (PIND & 0x20) != 0)
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#define WAIT_FOR_PCLK_HIGH() while( (PIND & 0x20) == 0)
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#define NUM_COLOR_STEPS 16
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#define NUM_COLOR_CHANNELS 3
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#define NUM_ELEMENTS_IN_COLOR_MAP (NUM_COLOR_STEPS * NUM_COLOR_CHANNELS)
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#define RED_OFFSET 0
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#define GREEN_OFFSET 16
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#define BLUE_OFFSET 32
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extern unsigned char currentLineBuffer[];
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extern unsigned char previousLineBuffer[];
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extern unsigned char colorMap[];
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extern unsigned char frameCount;
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/* Extern functions */
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extern void CamInt_init(void);
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extern void CamInt_resetCam(void);
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extern void CamInt_waitForNewDumpFrame(void);
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extern void CamInt_waitForNewTrackingFrame(void);
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extern void CamInt_acquireTrackingLine(void);
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extern void CamInt_acquireDumpLine(void);
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#endif
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