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bestfortress.c - model specific routines for (very) old Best Power Fortress
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Copyright (C) 2002 Russell Kroll <rkroll@exploits.org> (skeleton)
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(C) 2002 Holger Dietze <holger.dietze@advis.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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anything commented is optional
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anything else is mandatory
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#define IGNCHARS " \n"
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#if defined(__sgi) && ! defined(__GNUC__)
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#define inline __inline
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void instcmd (int auxcmd, int dlen, char *data);
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void upsdrv_setvar (int, int, char *);
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void upsdrv_initinfo(void)
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dstate_setinfo("ups.mfr", "Best Power");
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dstate_setinfo("ups.model", "Fortress");
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dstate_setinfo("battery.voltage.nominal", "24");
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/*addinfo (INFO_ALRM_OVERLOAD, "", 0, 0);*/ /* Flag */
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/*addinfo (INFO_ALRM_TEMP, "", 0, 0);*/ /* Flag */
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dstate_setinfo("ups.delay.shutdown", "10"); /* write only */
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/* tunable via front panel: (european voltage level)
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parameter factory default range
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INFO_LOWXFER 196 V p7=nnn 160-210
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INFO_HIGHXFER 254 V p8=nnn 215-274
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INFO_LOBATTIME 2 min p2=n 1-5
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comm mode p6=0 dumb DONT USE (will lose access to parameter setting!)
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maybe cycle through speeds to autodetect?
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dstate_setinfo("input.transfer.low", "");
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dstate_setflags("input.transfer.low", ST_FLAG_STRING | ST_FLAG_RW);
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dstate_setaux("input.transfer.low", 3);
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dstate_setinfo("input.transfer.high", "");
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dstate_setflags("input.transfer.high", ST_FLAG_STRING | ST_FLAG_RW);
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dstate_setaux("input.transfer.high", 3);
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dstate_setinfo("battery.runtime.low", "");
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dstate_setflags("battery.runtime.low", ST_FLAG_STRING | ST_FLAG_RW);
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dstate_setaux("battery.runtime.low", 3);
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upsh.instcmd = instcmd;
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upsh.setvar = upsdrv_setvar;
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dstate_addcmd("shutdown.return");
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dstate_addcmd("load.off");
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/* convert hex digit to int */
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static inline int fromhex (char c)
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return (c >= '0' && c <= '9') ? c - '0'
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: (c >= 'A' && c <= 'F') ? c - 'A' + 10
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: (c >= 'a' && c <= 'f') ? c - 'a' + 10
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/* do checksumming on UPS response */
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static int checksum (char * s)
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for (i = 40, sum = 0; s[0] && s[1] && i > 0; i--, s += 2) {
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sum += (fromhex (s[0]) << 4) + fromhex (s[1]);
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/* set info to integer value */
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static inline void setinfo_int (int id, char * s, int len)
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if (len > sizeof(buf)) len = sizeof(buf)-1;
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strncpy (buf, s, len);
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setinfo (id, "%d", atoi (buf));
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/* set info to integer value (for runtime remaining)
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value is expressed in minutes, but desired in seconds
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static inline void setinfo_int_minutes (int id, char * s, int len)
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if (len > sizeof(buf)) len = sizeof(buf)-1;
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strncpy (buf, s, len);
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setinfo (id, "%d", 60*atoi (buf));
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/* set info to float value */
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static inline void setinfo_float (int id, char * fmt, char * s, int len, double factor)
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if (len > sizeof(buf)) len = sizeof(buf)-1;
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strncpy (buf, s, len);
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setinfo (id, fmt, factor * (double)atoi (buf));
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/* read out UPS and store info */
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void upsdrv_updateinfo(void)
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int checksum_ok, is_online=1, is_off, low_batt, trimming, boosting;
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if (upsrecv (temp, sizeof(temp), ENDCHAR, IGNCHARS) <= 0) {
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upsflushin (0, 0, "\r ");
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} while (temp[0] == 0);
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/* setinfo (INFO_, ""); */
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/*syslog (LOG_DAEMON | LOG_NOTICE,"ups: got '%s'\n", p);*/
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|Vi||Vo| |Io||Psou| |Vb||f| |tr||Ti| CS
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000000000001000000000000023802370000000200004700000267500000990030000000000301BD
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1 1 2 2 3 3 4 4 5 5 6 6 7 7 78
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0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 90
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/* last bytes are a checksum:
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interpret response as hex string, sum of all bytes must be zero
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checksum_ok = (checksum (p) & 0xff) == 0;
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setinfo_int (INFO_UTILITY, p+24,4);
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setinfo_int (INFO_OUTVOLT, p+28,4);
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setinfo_float (INFO_BATTVOLT, "%.1f", p+50,4, 0.1);
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setinfo_float (INFO_CURRENT, "%.1f", p+36,4, 0.1);
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setinfo_int (INFO_OUT_VA, p+40,6);
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setinfo_float (INFO_ACFREQ, "%.1f", p+54,3, 0.1);
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setinfo_int_minutes (INFO_BATT_RUNTIME, p+58,4);
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setinfo_int (INFO_UPSTEMP, p+62,4);
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is_online = p[17] == '0';
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low_batt = fromhex(p[21]) & 8 || fromhex(p[20]) & 1;
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is_off = p[11] == '0';
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trimming = p[33] == '1';
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boosting = 0; /* FIXME, don't know which bit gets set
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(brownouts are very rare here and I can't
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setinfo (INFO_STATUS, "%s%s%s",
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is_online ? (is_off ? "OFF " : "OL ") : "OB ",
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low_batt ? "LB " : "",
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trimming ? "TRIM" : boosting ? "BOOST" : "");
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/* setinfo(INFO_STATUS, "%s%s",
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* (util < lownorm) ? "BOOST ", "",
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* (util > highnorm) ? "TRIM ", "",
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* ((flags & TIOCM_CD) == 0) ? "" : "LB ",
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* ((flags & TIOCM_CTS) == TIOCM_CTS) ? "OB" : "OL");
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/* Parameter setting */
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/* all UPS tunable parameters are set with command
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int setparam (int parameter, int dlen, char * data)
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upssend ("p%d=%*s\r", parameter, dlen, data);
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if (upsrecv (reply, sizeof(reply), ENDCHAR, "") < 0) return 0;
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return strncmp (reply, "OK", 2) == 0;
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/* ups_setsuper: set super-user access
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(allows setting variables)
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static void ups_setsuper (int super)
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setparam (999, super ? 4 : 0, super ? "2639" : "");
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/* sets whether UPS will reapply power after it has shut down and line
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static void autorestart (int restart)
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setparam (1, 1, restart ? "1" : "0");
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/* set UPS parameters */
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void upsdrv_setvar (int info, int len, char * data)
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if (setparam (parameter, len, data)) {
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setinfo (info, "%*s", len, data);
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void upsdrv_shutdown(void)
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grace = getdata(INFO_PDNGRACE);
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grace = "1"; /* apparently, OFF0 does not work */
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printf ("shutdown in %s seconds\n", grace);
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/* make power return when utility power returns */
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upssend ("OFF%s\r", grace);
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/* I'm nearly dead, Jim */
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/* OFF will powercycle when line power is available again */
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void instcmd (int auxcmd, int dlen, char *data)
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printf ("powering off\n");
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p = getdata (INFO_PDNGRACE);
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printf ("shutdown in %s seconds\n", p);
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upssend ("OFF%s\r", p);
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upslogx(LOG_INFO, "instcmd: unknown type 0x%04x", auxcmd);
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void upsdrv_help(void)
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/* list flags and values that you want to receive via -x */
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void upsdrv_makevartable(void)
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/* allow '-x xyzzy' */
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/* addvar(VAR_FLAG, "xyzzy", "Enable xyzzy mode"); */
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/* allow '-x foo=<some value>' */
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/* addvar(VAR_VALUE, "foo", "Override foo setting"); */
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addvar (VAR_VALUE, "speed", "serial line speed");
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void upsdrv_banner(void)
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printf("Network UPS Tools - Best Fortress UPS driver 0.01 (%s)\n\n", UPS_VERSION);
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void upsdrv_initups(void)
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speed_t speed = B1200;
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char * speed_val = getval ("speed");
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for (i=0; speed_table[i].val; i++) {
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if (strcmp (speed_val, speed_table[i].val) == 0)
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speed = speed_table[i].speed;
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open_serial(device_path, speed);
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/* TODO: probe ups type */
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/* the upsh handlers can't be done here, as they get initialized
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* shortly after upsdrv_initups returns to main.
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void upsdrv_cleanup(void)
added
removed
drivers/bestfortress.c
