diff options
Diffstat (limited to 'components/omnivision/ov9655/ov9655.c')
| -rw-r--r-- | components/omnivision/ov9655/ov9655.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/components/omnivision/ov9655/ov9655.c b/components/omnivision/ov9655/ov9655.c new file mode 100644 index 0000000..6ee9873 --- /dev/null +++ b/components/omnivision/ov9655/ov9655.c @@ -0,0 +1,163 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, 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_OV9650)
+//------------------------------------------------------------------------------
+/// \unit
+///
+/// !!!Purpose
+///
+/// Specific configuration for Omnivision OV6555 captor
+///
+/// !!!Usage
+///
+/// -# Different files are been provided by Omnivision:
+/// - 9655_yuv_cif.h
+/// - 9655_yuv_qcif.h
+/// - 9655_yuv_qqcif.h
+/// - 9655_yuv_qqvga.h
+/// - 9655_yuv_qvga.h
+/// - 9655_yuv_sxga.h
+/// - 9655_yuv_vga.h
+/// -# Configure the captor using theses files
+//------------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Headers
+//-----------------------------------------------------------------------------
+#include <drivers/twi/twid.h>
+#include <utility/trace.h>
+
+#include <omnivision/omnivision.h>
+
+#include "9655_yuv_cif.h"
+#include "9655_yuv_qcif.h"
+#include "9655_yuv_qqcif.h"
+#include "9655_yuv_qvga.h"
+#include "9655_yuv_qqvga.h"
+#include "9655_yuv_sxga.h"
+#include "9655_yuv_vga.h"
+
+//------------------------------------------------------------------------------
+/// Array of image sizes supported by OV965x
+//------------------------------------------------------------------------------
+const static struct capture_size ov965x_sizes[] = {
+// {width, height}
+ /// QQCIF
+ { 88, 72 },
+ /// QQVGA
+ { 160, 120 },
+ /// QCIF
+ { 176, 144 },
+ /// 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("ov965x_configure\n\r");
+ for( i=0; i<sizeof(ov965x_sizes); i++ ) {
+ if( ov965x_sizes[i].width == width ) {
+ if( ov965x_sizes[i].height != heigth ) {
+ TRACE_ERROR("ov965x_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 = ov9655_yuv_vga;
+
+ // common register initialization
+ switch(width) {
+ case 1280: //SXGA
+ TRACE_DEBUG("SXGA\n\r");
+ reg_conf = ov9655_yuv_sxga;
+ break;
+ case 640: //VGA
+ TRACE_DEBUG("VGA\n\r");
+ reg_conf = ov9655_yuv_vga;
+ break;
+ case 352: //CIF
+ TRACE_DEBUG("CIF\n\r");
+ reg_conf = ov9655_yuv_cif;
+ break;
+ case 320: //QVGA
+ TRACE_DEBUG("QVGA\n\r");
+ reg_conf = ov9655_yuv_qvga;
+ break;
+
+ case 176: //QCIF
+ TRACE_DEBUG("QCIF\n\r");
+ reg_conf = ov9655_yuv_qcif;
+ break;
+ case 160: //QQVGA
+ TRACE_DEBUG("QQVGA\n\r");
+ reg_conf = ov9655_yuv_qqvga;
+ break;
+ case 88: //QQCIF
+ TRACE_DEBUG("QQCIF\n\r");
+ reg_conf = ov9655_yuv_qqcif;
+ break;
+ default:
+ TRACE_DEBUG("ov965x_configure problem\n\r");
+ break;
+ }
+ ov_write_regs(pTwid, reg_conf);
+}
+#endif
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