From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Mon, 4 Jul 2011 20:52:54 +0200
Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011

it's sad to see that atmel doesn't publish their svn repo or has
a centralized location or even puts proper version/release info
into the library itself
---
 components/omnivision/ov2640/ov2640.c | 143 ++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 components/omnivision/ov2640/ov2640.c

(limited to 'components/omnivision/ov2640/ov2640.c')

diff --git a/components/omnivision/ov2640/ov2640.c b/components/omnivision/ov2640/ov2640.c
new file mode 100644
index 0000000..ccb10e2
--- /dev/null
+++ b/components/omnivision/ov2640/ov2640.c
@@ -0,0 +1,143 @@
+//  ----------------------------------------------------------------------------
+//          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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