mirror of
https://github.com/rvtr/twl_wrapsdk.git
synced 2025-10-31 06:11:10 -04:00
9194271a66
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@92 4ee2a332-4b2b-5046-8439-1ba90f034370
104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
/*---------------------------------------------------------------------------*
|
|
Project: TwlSDK - library - camera
|
|
File: camera_transfer.h
|
|
|
|
Copyright 2007 Nintendo. All rights reserved.
|
|
|
|
These coded instructions, statements, and computer programs contain
|
|
proprietary information of Nintendo of America Inc. and/or Nintendo
|
|
Company Ltd., and are protected by Federal copyright law. They may
|
|
not be disclosed to third parties or copied or duplicated in any form,
|
|
in whole or in part, without the prior written consent of Nintendo.
|
|
|
|
$Log: $
|
|
$NoKeywords: $
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef TWL_CAMERA_TRANSFER_H_
|
|
#define TWL_CAMERA_TRANSFER_H_
|
|
|
|
#include <twl/types.h>
|
|
#include <twl/mi/exDma.h>
|
|
|
|
#define CAMERA_DMA_BLOCK_SIZE MI_EXDMA_BLOCK_64B
|
|
#define CAMERA_DMA_INTERVAL 8
|
|
#define CAMERA_DMA_PRESCALER MI_EXDMA_PRESCALER_1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
Name: CAMERA_DmaRecv
|
|
|
|
Description: receiving a frame data from CAMERA buffer.
|
|
Sync version.
|
|
|
|
Arguments: dmaNo : DMA channel No. (4 - 7)
|
|
dest : destination address
|
|
unit : transfer length at once (byte)(width * lines at once)
|
|
length : transfer length (byte) (frame size)
|
|
|
|
Returns: None
|
|
*---------------------------------------------------------------------------*/
|
|
static inline void CAMERA_DmaRecv(u32 dmaNo, void *dest, u32 unit, u32 length)
|
|
{
|
|
MIi_ExDmaRecvCore( dmaNo, (void*)REG_CAM_DAT_ADDR, dest, length, unit,
|
|
CAMERA_DMA_BLOCK_SIZE, CAMERA_DMA_INTERVAL, CAMERA_DMA_PRESCALER,
|
|
MI_EXDMA_CONTINUOUS_OFF, MI_EXDMA_SRC_RLD_OFF, MI_EXDMA_DEST_RLD_OFF,
|
|
MI_EXDMA_TIMING_CAMERA );
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
Name: CAMERA_DmaRecvAsync
|
|
|
|
Description: receiving a frame data from CAMERA buffer.
|
|
Async version.
|
|
|
|
Arguments: dmaNo : DMA channel No. (4 - 7)
|
|
dest : destination address
|
|
unit : transfer length at once (byte)(width * lines at once)
|
|
length : transfer length (byte) (frame size)
|
|
|
|
Returns: None
|
|
*---------------------------------------------------------------------------*/
|
|
static inline void CAMERA_DmaRecvAsync(u32 dmaNo, void *dest, u32 unit, u32 length)
|
|
{
|
|
MIi_ExDmaRecvAsyncCore( dmaNo, (void*)REG_CAM_DAT_ADDR, dest, length, unit,
|
|
CAMERA_DMA_BLOCK_SIZE, CAMERA_DMA_INTERVAL, CAMERA_DMA_PRESCALER,
|
|
MI_EXDMA_CONTINUOUS_OFF, MI_EXDMA_SRC_RLD_OFF, MI_EXDMA_DEST_RLD_OFF,
|
|
MI_EXDMA_TIMING_CAMERA );
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
Name: CAMERA_DmaRecvInfinity
|
|
|
|
Description: receiving data from CAMERA buffer.
|
|
Once starting DMA, it will transfer every frame automatically.
|
|
You should call MIi_StopExDma(dmaNo) to stop
|
|
|
|
Arguments: dmaNo : DMA channel No. (4 - 7)
|
|
dest : destination address
|
|
unit : transfer length at once (byte)(width * lines at once)
|
|
length : transfer length (byte) (frame size)
|
|
|
|
Returns: None
|
|
*---------------------------------------------------------------------------*/
|
|
static inline void CAMERA_DmaRecvInfinity(u32 dmaNo, void *dest, u32 unit, u32 length)
|
|
{
|
|
MIi_ExDmaRecvAsyncCore( dmaNo, (void*)REG_CAM_DAT_ADDR, dest, length, unit,
|
|
CAMERA_DMA_BLOCK_SIZE, CAMERA_DMA_INTERVAL, CAMERA_DMA_PRESCALER,
|
|
MI_EXDMA_CONTINUOUS_ON, MI_EXDMA_SRC_RLD_OFF, MI_EXDMA_DEST_RLD_ON,
|
|
MI_EXDMA_TIMING_CAMERA );
|
|
}
|
|
|
|
/*===========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif /* TWL_CAMERA_TRANSFER_H_ */
|