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// ----------------------------------------------------------------------------
// ATMEL Microcontroller Software Support - ROUSSET -
// ----------------------------------------------------------------------------
// Copyright (c) 2009, Atmel Corporation
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice,
// this list of conditions and the disclaimer below.
//
// Atmel's name may not be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
// DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
#include <board.h>
#if defined(BOARD_CAPTOR_OV2640)
//------------------------------------------------------------------------------
/// \unit
///
/// !!!Purpose
///
/// Specific configuration for Omnivision OV2640 captor
///
/// !!!Usage
///
/// -# Different files are been provided by Omnivision:
/// - 2640_yuv_cif.h
/// - 2640_yuv_qcif.h
/// - 2640_yuv_qqcif.h
/// - 2640_yuv_qqvga.h
/// - 2640_yuv_qvga.h
/// - 2640_yuv_sxga.h
/// - 2640_yuv_vga.h
/// -# Configure the captor using theses files
//--------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Headers
//-----------------------------------------------------------------------------
#include <drivers/twi/twid.h>
#include <utility/trace.h>
#include <omnivision/omnivision.h>
#include "2640_yuv_cif.h"
#include "2640_yuv_qvga.h"
#include "2640_yuv_sxga.h"
#include "2640_yuv_vga.h"
//------------------------------------------------------------------------------
/// Array of image sizes supported by OV264x
//------------------------------------------------------------------------------
const static struct capture_size ov264x_sizes[] = {
// {width, height}
/// QVGA
{ 320, 240 },
/// CIF
{ 352, 288 },
/// VGA
{ 640, 480 },
/// SXGA
{1280, 1024 }
};
//------------------------------------------------------------------------------
// Global Functions
//------------------------------------------------------------------------------
//-----------------------------------------------------------------------------
/// Configure the OV9650 for a specified image size, pixel format,
/// and frame period.
//-----------------------------------------------------------------------------
void ov_configure(Twid *pTwid, unsigned int width, unsigned int heigth)
{
const struct ov_reg *reg_conf;
unsigned char goodCaptureSize = 0;
unsigned char i;
TRACE_DEBUG("ov264x_configure\n\r");
for( i=0; i<sizeof(ov264x_sizes); i++ ) {
if( ov264x_sizes[i].width == width ) {
if( ov264x_sizes[i].height != heigth ) {
TRACE_ERROR("ov264x_configure vsize not define\n\r");
}
else {
goodCaptureSize = 1;
break;
}
}
}
if( goodCaptureSize == 0 ) {
TRACE_ERROR("Problem size\n\r");
while(1);
return;
}
// Default value
reg_conf = ov2640_yuv_vga;
// common register initialization
switch(width) {
case 1280: //SXGA
TRACE_DEBUG("SXGA\n\r");
reg_conf = ov2640_yuv_sxga;
break;
case 640: //VGA
TRACE_DEBUG("VGA\n\r");
reg_conf = ov2640_yuv_vga;
break;
case 352: //CIF
TRACE_DEBUG("CIF\n\r");
reg_conf = ov2640_yuv_cif;
break;
case 320: //QVGA
TRACE_DEBUG("QVGA\n\r");
reg_conf = ov2640_yuv_qvga;
break;
default:
TRACE_DEBUG("ov264x_configure problem\n\r");
break;
}
ov_write_regs(pTwid, reg_conf);
}
#endif
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