packet.h

PEAKAUDIO用于EV2板的MCU控制源码

/*************************************************************************

	packet.h

	This include file declares routines to send and receive packets between 
	Eval boards. .

	Copyright (C) 2001-2004 by Cirrus Logic Inc. All Rights Reserved
*************************************************************************/

#ifndef packet_h
#define packet_h

#define cBRIDGE_RX_FILTER 0x2000E

#define cFILTER_UCN			0x1
#define cFILTER_ALL_CN	0x2
#define cFILTER_IP			0x8
#define cFILTER_ALL			0x10

#define cPACKET_TXBUF_ptr		0x21000
#define cPACKET_RXBUF_ptr		0x22000
#define cBRIDGE_RXPKT_ptr		0x20001
#define cBRIDGE_RXRDY_ptr		0x23001
#define cBRIDGE_TXPKT_ptr		0x20000
#define cBRIDGE_TXDONE_ptr	0x23000

//packet type identifiers
#define cPACKET_TYPE_COMMAND	0xF0				//command packet
#define cPACKET_TYPE_TEXT			0xF1				//text packet

#define cRETURN_PACKET				1
#define cNOT_RETURN_PACKET		0

struct packet_struct	{
	unsigned short length;
	unsigned short destination_MAC[ 3 ];
	unsigned short source_MAC[ 3 ];
	unsigned short protocol_identifier;
	unsigned char	 protocol_version;
	unsigned char	 packet_type;
	unsigned short section_tag_length;
	unsigned char  packet_string[ 1500 ];
}

extern code struct command_item_t packet_command;

extern void service_Packet( void );
extern void print_packet_str( char * a_string );
extern void	print_packet_strC( char * a_string );
extern void print_packet_codestr( code char * str );
extern void print_packet_codestrC( code char * str );

#endif