spi4_rx_dl.c

ixp2400的一个小程序

//  Copyright (C) 2002-2003 Intel Corporation, All Rights Reserved.
//  Permission is hereby granted to merge this program code with 
//  other program material to create a derivative work.  This 
//  derivative work may be distributed in compiled object form only.
//  Any other publication of this program, in any form, without the 
//  explicit permission of the copyright holder is prohibited.
//
//  Send questions and comments to [e-mail], 
//  [e-mail]

//-------------------------------------------------------------------
// spi4_rx_dl.c - Chapter 5
// This file contains a dispatch loop which receives packets 
// from a SPI-4 device and places them on a ring to further
// processing
//

//	Include Files
#include	"dl_system.h"
#include	"dl_source.h"
#include	"system_init.h"
#include	"dispatch_loop.h"
#include	"spi4_rx.h"

#include 	"dl_buf.c"
#include	"dl_meta.h"

//-----------------------------------------------------------
// Global variables/Registers
//-----------------------------------------------------------
dl_buf_handle_t			dlBufHandle;
__declspec(gp_reg) int 	dlNextBlock;
extern dl_meta_t		dlMeta;

void main()
{
	//-------------------------------------------------------
	// Initialize the blocks
	//-------------------------------------------------------
	// Initialize the system
	system_init();

	// Initialize the outgoing ring
	dl_sink_init();

	// spi4 rx initialization
	spi4_rx_init();

	//-------------------------------------------------------
	// dispatch loop
	//-------------------------------------------------------
	while(1)
	{
		// Reassembly a packet
		spi4_rx();
			
		// Enqueue the packet on the rx to processing 
		dl_sink();
	}
}