FreeCalypso > hg > freecalypso-sw
view rvinterf/g23sh/sendsp.c @ 871:a5c8f48003cd
rvinterf: client programs can now selectively stop receiving packets of a
particular RVTMUX type
author | Space Falcon <falcon@ivan.Harhan.ORG> |
---|---|
date | Fri, 29 May 2015 06:29:38 +0000 |
parents | 922efdd65dce |
children |
line wrap: on
line source
/* * g23sh system primitive sending command */ #include <sys/types.h> #include <stdio.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include "pktmux.h" #include "limits.h" void cmd_sendsp(argc, argv) char **argv; { char *stackdest, *primarg; unsigned intlen; u_char sendpkt[MAX_PKT_TO_TARGET+1]; unsigned pktlen; stackdest = argv[1]; primarg = argv[2]; if (strlen(stackdest) > 4) { printf( "error: stack destination arg may not exceed 4 characters\n"); return; } intlen = 12 + strlen(primarg); pktlen = intlen + 4; if (pktlen > MAX_PKT_TO_TARGET) { printf("error: max pkt to target limit exceeded\n"); return; } /* fill out the packet */ sendpkt[0] = RVT_L23_HEADER; sendpkt[1] = 0xB7; /* system prim */ sendpkt[2] = intlen; sendpkt[3] = intlen >> 8; /* send zeros for the timestamp */ sendpkt[4] = 0; sendpkt[5] = 0; sendpkt[6] = 0; sendpkt[7] = 0; /* as far as TI's sw is concerned, we are PCO */ sendpkt[8] = 'P'; sendpkt[9] = 'C'; sendpkt[10] = 'O'; sendpkt[11] = ' '; sprintf(sendpkt + 12, "%-4s%s", stackdest, primarg); /* send it! */ send_pkt_to_target(sendpkt, pktlen); }