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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@295 4ee2a332-4b2b-5046-8439-1ba90f034370
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - library - pxi
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File: pxi_intf.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Log: $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#include <twl/os.h>
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#include <twl/pxi.h>
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/*---------------------------------------------------------------------------*
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Name: PXI_SendByIntf
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Description: Send 4bit data to the other processor
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Arguments: id sending id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_SendByIntf( u32 data )
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{
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reg_PXI_INTF = (u16)(data << REG_PXI_INTF_SEND_SHIFT);
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}
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/*---------------------------------------------------------------------------*
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Name: PXI_RecvByIntf
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Description: Receive 4bit data from the other processor
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Arguments: None
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Returns: received id
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*---------------------------------------------------------------------------*/
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u32 PXI_RecvByIntf( void )
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{
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return (u32)(((reg_PXI_INTF & REG_PXI_INTF_RECV_MASK) >> REG_PXI_INTF_RECV_SHIFT));
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}
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/*---------------------------------------------------------------------------*
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Name: PXI_WaitByIntf
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Description: Wait 4bit data from the other processor
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Arguments: id waiting id
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Returns: None
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*---------------------------------------------------------------------------*/
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void PXI_WaitByIntf( u32 data )
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{
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while (PXI_RecvByIntf() != data)
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{
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}
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}
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