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5.2 Sample Computer Link Protocol Program
This section presents a sample program that runs on the host computer (a personal computer or
workstation) and that uses computer link protocol transmission.
This program issues a read/write request for 32 words from the start of the T2N D registers.
Operating environment
• Hardware: Toshiba J-3100PV
3Com Etherlink ΙΙΙ (3C509/B)
• Software: PC-NFS Pro 1.1.1.0
Microsoft VisualC++ 1.0
Transfer parameters
• Local IP address: 133. 113. 98. 200
• Local UDP port number: 3001
• Remote IP address: 133. 113. 98. 10
• Remote UDP port number: 3001
/**********************************************************************/
/* */
/* SAMPLE.H */
/* */
/* */
/* Write and read requests can be issued to other T2N units */
/* by modifying this definition file. */
/* */
/* */
/* */
/* (C) Copyright TOSHIBA Corporation 1995 */
/* All Rights Reserved */
/* */
/**********************************************************************/
/*---------------------------*/
/* Definition declarations */
/*---------------------------*/
#define MY_PORT 3001 /* Local port number */
#define DST_PORT 3001 /* Remote port number */
#define DST_IP "133.113.98.10" /* Remote IP address */
#define LOOP 10 /* Data transmission execution count */
#define DATASIZ 32 /* Data length */
/* Computer link function = word units */
#define RECVTOUT 30 /* RECVFROM timeout time */
#define REG_TYPE "D" /* Register type */
#define REG_ADR "0000" /* Register start address */