echoserver.h

一个TCP的例子

//-----------------------------------------------------------------------------
// EchoServer.h
//-----------------------------------------------------------------------------
// Copyright 2006 Silicon Laboratories, Inc.
//
// Description:
// 	This file contains constants and function prototypes for the 
//    TCP Echo Server example.
//


//-----------------------------------------------------------------------------
// User Configurable Settings
//-----------------------------------------------------------------------------

#define ECHOSERVER_PORT          23             // Defines the TCP port assigned
                                                // to the TCP Server

#define EchoServer_TX_BUFF_SIZE  100            // Size of the Transmit Buffer

#define EchoServer_RX_BUFF_SIZE  100            // Size of the Recieve Buffer

// Possible Socket States
#define IDLE                      0
#define CONNECTED                 1
#define DISCONNECTED              2

//-----------------------------------------------------------------------------
// Function Prototypes
//-----------------------------------------------------------------------------
extern void EchoServer_start(void);             
extern void EchoServer_process_packet(void);
extern void EchoServer_server_idle(void);
extern void EchoServer_socket_closed(void);

//-----------------------------------------------------------------------------
// Global Variables
//-----------------------------------------------------------------------------
extern int EchoServer_socketno;
extern unsigned char EchoServer_socketstate;
extern unsigned char EchoServer_TX_BUFF[EchoServer_TX_BUFF_SIZE];
extern unsigned char EchoServer_RX_BUFF[EchoServer_RX_BUFF_SIZE];

extern unsigned int EchoServer_send_length; 
extern bit EchoServer_send_now;