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probe.c
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probe.c
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/* probe.c - routines for scanning bus and displaying device configs
*
* Copyright (C) 2009-2015 Timo Kokkonen <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include "nx-584.h"
#include "nxgipd.h"
int read_config(int fd, int protocol, uchar node, int location)
{
nxmsg_t msgout,msgin,msgin2;
int ret,i,nibble,size,len,type;
uint loc;
int maxloc = NX_LOGICAL_LOCATION_MAX;
int locstart = 0;
/* ignore any pending messages */
do {
ret=nx_receive_message(fd,protocol,&msgin,0);
} while (ret==1);
printf("Scanning module %d\n",node);
if (location >=0) {
locstart=location;
maxloc=location;
}
for(loc=locstart;loc<=maxloc;loc++) {
int retries = 3;
memset(&msgin,0,sizeof(msgin));
memset(&msgin2,0,sizeof(msgin2));
msgout.msgnum=NX_PROG_DATA_REQ;
msgout.len=4;
msgout.msg[0]=node;
msgout.msg[1]=(loc >> 8) & 0x0f;
msgout.msg[2]=(loc & 0xff);
//printf("Reading location %04x (%d) [%02x %02x %02x %02x]\n",loc,loc,msgout.msgnum,msgout.msg[0],msgout.msg[1],msgout.msg[2]);
do {
if (retries < 3) {
//printf("retry %d\n",retries);
do {
ret=nx_receive_message(fd,protocol,&msgin,0);
//if (ret==1) printf("ignoring pending message: %d\n",msgin.msgnum);
} while (ret==1);
}
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_PROG_DATA_REPLY,&msgin);
} while (retries-- > 0 && (ret==1 && msgin.msgnum == NX_NEGATIVE_ACK));
if (ret==1) {
if (msgin.msgnum == NX_PROG_DATA_REPLY) {
//nx_print_msg(stdout,&msgin);
nibble=((msgin.msg[1] & 0x10) == 0x10 ? 1 : 0);
len=(msgin.msg[3] & 0x1f) + 1;
type=(msgin.msg[3] >> 5 & 0x07);
if (nibble) size=len/2;
else size=len;
//printf("nibble=%d,len=%d,type=%d,size=%d\n",nibble,len,type,size);
if (size > 8) {
msgout.msg[1] |= 0x40;
//printf("Reading location %04x offset=1 (%d) [%02x %02x %02x %02x]\n",loc,loc,msgout.msgnum,msgout.msg[0],msgout.msg[1],msgout.msg[2]);
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_PROG_DATA_REPLY,&msgin2);
if (ret==1 && msgin2.msgnum == NX_PROG_DATA_REPLY) {
//nx_print_msg(stdout,&msgin2);
} else {
printf("Location=%03d: failed to get full location data (offset=1)\n",loc);
}
}
printf("Location=%03d (len=%02d type=%3s): ",loc,len,nx_prog_datatype_str(type));
for(i=0;i<len;i++) {
int va;
if (nibble) {
if (i<16) va=msgin.msg[4+i/2];
else va=msgin2.msg[4+(i-16)/2];
if (i%2==0) {va=0x0f & va; } else { va=(va >> 4) & 0x0f; }
} else {
if (i<8) va=msgin.msg[4+i];
else va=msgin2.msg[4+(i-8)];
}
switch (type) {
case 0:
printf("[%c%c%c%c%c%c%c%c] ",
(va&0x01?'1':'-'),
(va&0x02?'2':'-'),
(va&0x04?'3':'-'),
(va&0x08?'4':'-'),
(va&0x10?'5':'-'),
(va&0x20?'6':'-'),
(va&0x40?'7':'-'),
(va&0x80?'8':'-')
);
break;
case 1:
if (nibble) printf("%01d ",va);
else printf("%02d ",va);
break;
case 2:
if (nibble) printf("%01x ",va);
else printf("%02x ",va);
break;
case 3:
printf("%c", va);
break;
default:
printf("s%d=%02X ",i+1,va);
}
}
printf("\n");
} else {
if ((msgin.msgnum & NX_MSG_MASK) == NX_MSG_REJECTED) {
printf("Location=%03d: Invalid location (not used)\n",loc);
} else {
printf("Location=%03d: failed to get data (reply %02x)\n",loc, msgin.msgnum & NX_MSG_MASK);
}
}
} else {
printf("Location=%03d: no reply\n",loc);
}
fflush(stdout);
}
return 0;
}
int probe_bus(int fd, int protocol)
{
nxmsg_t msgout,msgin,msgin2;
int ret,len,type;
uint node;
printf("Scanning bus for nodes...\n");
for(node=0;node<256;node++) {
uint loc = 0;
memset(&msgin,0,sizeof(msgin));
memset(&msgin2,0,sizeof(msgin2));
msgout.msgnum=NX_PROG_DATA_REQ;
msgout.len=4;
msgout.msg[0]=node;
msgout.msg[1]=(loc >> 8) & 0x0f;
msgout.msg[2]=(loc & 0xff);
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_PROG_DATA_REPLY,&msgin);
if (ret==1) {
if (msgin.msgnum == NX_PROG_DATA_REPLY) {
//nx_print_msg(stdout,&msgin);
len=(msgin.msg[3] & 0x1f) + 1;
type=(msgin.msg[3] >> 5 & 0x07);
printf("Node=%03d: A DEVICE FOUND! (first location length=%d,type=%s)\n",
node,len,nx_prog_datatype_str(type));
} else {
printf("Node=%03d: failed to get data (reply %02x)\n",
node, msgin.msgnum & NX_MSG_MASK);
}
} else {
printf("Node=%03d: no reply\n",node);
}
fflush(stdout);
}
return 0;
}
int detect_panel(int fd, int protocol, nx_system_status_t *astat, nx_interface_status_t *istatus, int verbose)
{
nxmsg_t msgout,msgin;
int ret,retry,i;
uchar zonelist[4] = {192,48,16,8};
int maxzones = 0;
int maxparts = 0;
const char *model = NULL;
uchar partmask = 0;
uchar panel_id = 0;
char tmpstr[16];
printf("Detecting panel model...\n");
/* request interface configuration */
msgout.msgnum=NX_INT_CONFIG_REQ;
msgout.len=1;
retry=0;
do {
ret=nx_send_message(fd,config->serial_protocol,&msgout,5,3,NX_INT_CONFIG_MSG,&msgin);
if (ret < 0) warn("Failed to send message to panel");
if (ret == 0) warn("No response from panel");
} while (ret != 1 && retry++ < 3);
if (ret == 1) {
if (msgin.msgnum != NX_INT_CONFIG_MSG) {
warn("Panel refused interface status command");
return -1;
}
if (verbose) {
nx_print_msg(stdout,&msgin);
}
} else {
warn("failed to estabilish communications with NX device");
return -2;
}
process_message(&msgin,1,0,astat,istatus);
/* get alarm system status */
msgout.msgnum=NX_SYS_STATUS_REQ;
msgout.len=1;
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_SYS_STATUS_MSG,&msgin);
if (!(ret == 1 && msgin.msgnum == NX_SYS_STATUS_MSG)) return -3;
panel_id=msgin.msg[0];
/* look for max partitions supported */
if ((istatus->sup_cmd_msgs[0] & 0x80) == 0) {
warn("Required Partitions Snapshot Request command not enabled");
return -4;
}
msgout.msgnum=NX_PART_SNAPSHOT_REQ;
msgout.len=1;
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_PART_SNAPSHOT_MSG,&msgin);
if (!(ret == 1 && (msgin.msgnum == NX_PART_SNAPSHOT_MSG))) {
warn("Failed to get Partition status");
return -5;
}
for (i=0;i<NX_PARTITIONS_MAX;i++) {
if (msgin.msg[i] && 0x01) maxparts=i+1;
}
for (i=0; i<maxparts; i++) {
partmask |= (0x01<<i);
}
/* look for max zones supported */
if ((istatus->sup_cmd_msgs[0] & 0x10) == 0) {
warn("Required Zone Status Request command not enabled");
return -6;
}
for (i=0; i < sizeof(zonelist); i++) {
/* get zone status */
msgout.msgnum=NX_ZONE_STATUS_REQ;
msgout.len=2;
msgout.msg[0]=zonelist[i]-1;
ret=nx_send_message(fd,protocol,&msgout,5,3,NX_ZONE_STATUS_MSG,&msgin);
if (ret != 1 || msgin.msgnum != NX_ZONE_STATUS_MSG) {
if (verbose)
printf("no reply for zone %d (%d)\n",zonelist[i],msgin.msgnum);
} else {
//{int j; for (j=0;j<7;j++) { printf(" %02x",msgin.msg[j]); }; printf(" (%d)\n",maxzones); }
if ( maxzones == 0
&& (msgin.msg[1] & partmask) != 0
&& (msgin.msg[1] & ~partmask) == 0 ) {
maxzones=zonelist[i];
break;
}
}
}
/* check for "known" Panel ID */
for(i=0; nx_panel_models[i].id >= 0; i++) {
if (nx_panel_models[i].id == panel_id) {
model=nx_panel_models[i].name;
maxzones=nx_panel_models[i].max_zones;
maxparts=nx_panel_models[i].max_partitions;
break;
}
}
if (maxparts == 0)
maxparts=1;
if (maxzones == 0)
maxzones=8;
if (!model) {
snprintf(tmpstr,sizeof(tmpstr),"Unknown (%d)",panel_id);
model=tmpstr;
}
printf("Detected panel: %s (maxzones=%d, maxpartitions=%d)\n",model,maxzones,maxparts);
if (config->partitions == 0)
config->partitions = maxparts;
if (config->zones <= 0)
config->zones = maxzones;
strlcpy(astat->panel_model,model,sizeof(astat->panel_model));
return 0;
}
/* eof :-) */