Omron CS CJ1W-ETN21 User Manual
Page 210
186
FINS/TCP Method
Section 7-4
Sample Program
/* Ethernet Unit IP ADDRESS*/
COMMUNICATIONS SAMPLE PROGRAM
GENERATE TCP SOCKET*/
1 #include
2 #include
3 #include
4 #include
5 #include
6 #include
7
8 #define FINS_TCP_PORT 9600
9 #define SERV_IP_ADDR "196.36.32.100"
10 #define MAX_MSG 2010
11 #define MAX_HEADER 32
12 #define RESP_TIMEOUT 2
13
14
15 /*
16 * FINS/TCP
17 */
18 main(argc,argv)
19 int argc;
20 char *argv[];
21 {
22 int
sockfd;
23 struct sockaddr_in ws_addr, cs_addr;
24
unsigned char fins_cmnd[MAX_MSG], fins_resp[MAX_MSG], fins_tcp_header[MAX_HEADER];
25
unsigned char srv_node_no, cli_node_no;
26
int sendlen, recvlen;
27
char sid = 0;
28 extern
recv_fail();
29
30 /*
31
if ((sockfd = socket(AF_INET,SOCK_STREAM,0)) < 0)
32
err_exit("can't open stream socket");