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/*********************************************************************
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*
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* UDP Module Defs for Microchip TCP/IP Stack
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*
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*********************************************************************
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* FileName: UDP.h
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* Dependencies: StackTsk.h
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* MAC.h
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* Processor: PIC18, PIC24F, PIC24H, dsPIC30F, dsPIC33F
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* Complier: Microchip C18 v3.02 or higher
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* Microchip C30 v2.01 or higher
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* Company: Microchip Technology, Inc.
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*
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* Software License Agreement
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*
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* Copyright © 2002-2007 Microchip Technology Inc. All rights
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* reserved.
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*
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* Microchip licenses to you the right to use, modify, copy, and
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* distribute:
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* (i) the Software when embedded on a Microchip microcontroller or
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* digital signal controller product (“Device”) which is
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* integrated into Licensee’s product; or
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* (ii) ONLY the Software driver source files ENC28J60.c and
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* ENC28J60.h ported to a non-Microchip device used in
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* conjunction with a Microchip ethernet controller for the
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* sole purpose of interfacing with the ethernet controller.
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*
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* You should refer to the license agreement accompanying this
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* Software for additional information regarding your rights and
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* obligations.
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*
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* THE SOFTWARE AND DOCUMENTATION ARE PROVIDED “AS IS” WITHOUT
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* WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT
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* LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* MICROCHIP BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF
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* PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES, ANY CLAIMS
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* BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE
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* THEREOF), ANY CLAIMS FOR INDEMNITY OR CONTRIBUTION, OR OTHER
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* SIMILAR COSTS, WHETHER ASSERTED ON THE BASIS OF CONTRACT, TORT
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* (INCLUDING NEGLIGENCE), BREACH OF WARRANTY, OR OTHERWISE.
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*
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*
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* Author Date Comment
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*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* Nilesh Rajbharti 3/19/01 Original (Rev 1.0)
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********************************************************************/
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#ifndef __UDP_H
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#define __UDP_H
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typedef WORD UDP_PORT;
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typedef BYTE UDP_SOCKET;
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typedef struct _UDP_SOCKET_INFO
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{
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NODE_INFO remoteNode;
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UDP_PORT remotePort;
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UDP_PORT localPort;
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WORD TxCount;
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WORD RxCount;
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struct
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{
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unsigned char bFirstRead : 1;
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} Flags;
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} UDP_SOCKET_INFO;
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#define INVALID_UDP_SOCKET (0xffu)
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#define INVALID_UDP_PORT (0ul)
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/*
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* All module utilizing UDP module will get extern definition of
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* activeUDPSocket. While UDP module itself will define activeUDPSocket.
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*/
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#if !defined(__UDP_C)
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extern UDP_SOCKET activeUDPSocket;
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extern UDP_SOCKET_INFO UDPSocketInfo[MAX_UDP_SOCKETS];
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#endif
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typedef struct _UDP_HEADER
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{
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UDP_PORT SourcePort;
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UDP_PORT DestinationPort;
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WORD Length;
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WORD Checksum;
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} UDP_HEADER;
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void UDPInit(void);
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UDP_SOCKET UDPOpen(UDP_PORT localPort, NODE_INFO *remoteNode, UDP_PORT remotePort);
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void UDPClose(UDP_SOCKET s);
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BOOL UDPProcess(NODE_INFO *remoteNode, IP_ADDR *localIP, WORD len);
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WORD UDPIsPutReady(UDP_SOCKET s);
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BOOL UDPPut(BYTE v);
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WORD UDPPutArray(BYTE *cData, WORD wDataLen);
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WORD UDPPutROMArray(ROM BYTE *cData, WORD wDataLen);
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BYTE* UDPPutString(BYTE *strData);
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ROM BYTE* UDPPutROMString(ROM BYTE *strData);
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void UDPFlush(void);
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WORD UDPIsGetReady(UDP_SOCKET s);
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BOOL UDPGet(BYTE *v);
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WORD UDPGetArray(BYTE *cData, WORD wDataLen);
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void UDPDiscard(void);
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/*********************************************************************
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* Macro: UDPSetTxBuffer(a, b)
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*
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* PreCondition: None
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*
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* Input: a - Buffer identifier
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* b - Offset
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*
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* Output: Next Read/Write access to transmit buffer 'a'
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* set to offset 'b'
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*
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* Side Effects: None
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*
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* Note: None
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*
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********************************************************************/
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#define UDPSetTxBuffer(b) IPSetTxBuffer(b+sizeof(UDP_HEADER))
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/*********************************************************************
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* Macro: UDPSetRxBuffer(a)
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*
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* PreCondition: None
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*
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* Input: a - Offset
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*
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* Output: Next Read/Write access to receive buffer is
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* set to offset 'b'
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*
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* Side Effects: None
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*
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* Note: None
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*
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********************************************************************/
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#define UDPSetRxBuffer(a) IPSetRxBuffer(a+sizeof(UDP_HEADER))
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#endif
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