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/* sms.c - driver for SMS UPS hardware
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Copyright (C) 2001 Marcio Gomes <tecnica@microlink.com.br>
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Copyright (C) 1999 Russell Kroll <rkroll@exploits.org>
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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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2001/05/17 - Version 0.10 - Initial release
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2001/06/01 - Version 0.20 - Add Battery Informations in driver
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2001/06/04 - Version 0.30 - Updated Battery Volts range, to reflect a correct
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2002/12/02 - Version 0.40 - Update driver to new-model, based on Fentonups
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2002/12/18 - Version 0.50 - Add Sinus Single 2 KVA in database, test with
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new Manager III sinusoidal versions.
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Change Detect Name, SMS do not pass real Models
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in Megatec Info command, only the VA/KVA version
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2002/12/18 - Version 0.51 - Updated Battery Volts range, to reflect a correct
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2002/12/27 - Version 0.60 - Add new UPS Commands SDRET, SIMPWF change BTEST1
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2002/12/28 - Version 0.70 - Add new UPS Commands SHUTDOWN,STOPSHUTD,WATCHDOG
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2003/06/11 - Version 0.71 - Converted to dstate calls and names (rkroll)
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Microlink ISP/Pop-Rio contributed with MANAGER III 1300, MANAGER III 650 UPS
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and Sinus Single 2 KVA for my tests.
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http://www.microlink.com.br and http://www.pop-rio.com.br
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#define DRV_VERSION "0.71"
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#define ENDCHAR 13 /* replies end with CR */
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static int cap_upstemp = 0;
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static float lowvolt = 0, voltrange;
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static int lownorm, highnorm, poll_failures = 0;
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void guessmodel(const char *raw)
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printf ("0 1 2 3 \n");
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printf ("012345678901234567890123567890123456789\n");
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strlcpy(mstr, &raw[17], sizeof(mstr));
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mstr[10] = '\0'; /* 10 chars max, per the protocol */
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dstate_setinfo("ups.model", "SMS %s", mstr);
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void getbaseinfo(void)
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char temp[256], model[32], *raw;
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/* dummy read attempt to sync - throw it out */
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upsrecv(temp, sizeof(temp), ENDCHAR, "");
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/* now retrieve information and parse */
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upsrecv(temp, sizeof(temp), ENDCHAR, "");
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fatalx("Bad UPS info start character [%s]", temp);
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rtrim(&temp[1], ' ');
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dstate_setinfo("ups.mfr", "%s", &temp[1]);
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012345678901234567890123567890123456789
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#SMS LTDA 1300 VA VER 1.0
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#SMS LTDA 1300VA SEN VER 5.0
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#SMS LTDA 2 KVA VER 1.0
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/* grab full model string */
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rtrim(&temp[17], ' ');
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snprintf(model, sizeof(model), "%s", &temp[17]);
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/* printf("->%s<-\n",model); */
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/* figure out official model name and voltage info from table */
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for (i = 0; modeltab[i].mtext != NULL; i++) {
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if (!strcmp(modeltab[i].mtext, model)) {
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lowvolt = modeltab[i].lowvolt;
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voltrange = modeltab[i].voltrange;
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cap_upstemp = modeltab[i].has_temp;
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/* table lookup fails -> guess */
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dstate_setinfo("ups.model", "%s", modeltab[modelnum].desc);
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dstate_setinfo("input.transfer.low", "%i",
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modeltab[modelnum].lowxfer);
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dstate_setinfo("input.transfer.high", "%i",
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modeltab[modelnum].highxfer);
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lownorm = modeltab[modelnum].lownorm;
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highnorm = modeltab[modelnum].highnorm;
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/* now add instant command support info */
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dstate_addcmd("test.battery.start");
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dstate_addcmd("test.battery.stop");
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dstate_addcmd("shutdown.return"); /* was CMD_SDRET */
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dstate_addcmd("test.failure.start");
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dstate_addcmd("shutdown.stayoff"); /* was CMD_SHUTDOWN */
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dstate_addcmd("shutdown.stop");
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dstate_addcmd("reset.watchdog");
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printf("Detected %s on %s\n", dstate_getinfo("ups.model"), device_path);
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/* paranoia - cancel any shutdown that might already be running */
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int instcmd(const char *cmdname, const char *extra)
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if (!strcasecmp(cmdname, "test.battery.stop")) {
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "test.battery.start")) {
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upssend("TL\r");/* start battery test until bat low */
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "test.failure.start")) {
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "shutdown.return")) {
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/* shutdown and restart */
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upssend("S.3R0003\r");
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "shutdown.stayoff")) {
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/* shutdown now (one way) */
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "shutdown.stop")) {
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/* Cancel Shutdown */
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return STAT_INSTCMD_HANDLED;
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if (!strcasecmp(cmdname, "reset.watchdog")) {
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/* WATCHDOG Crontab Function */
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upssend("S05R0003\r");
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return STAT_INSTCMD_HANDLED;
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upslogx(LOG_NOTICE, "instcmd: unknown command [%s]", cmdname);
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return STAT_INSTCMD_UNKNOWN;
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void upsdrv_initinfo(void)
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upsh.new_instcmd = instcmd;
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dstate_setinfo("driver.version.internal", "%s", DRV_VERSION);
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void pollfail(char *why)
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/* don't spew into the syslog forever */
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if (poll_failures < 3)
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upslogx(LOG_ERR, why);
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void upsdrv_updateinfo(void)
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char temp[256], utility[16], loadpct[16], acfreq[16], battvolt[16],
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upstemp[16], stat[16], outvolt[16];
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ret = upsrecv (temp, sizeof(temp), ENDCHAR, "");
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/* sanity checks for poll data */
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if (strlen(temp) < 46) {
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pollfail("Poll failed: short read from UPS");
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if (strlen(temp) > 46) {
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pollfail("Poll failed: oversized read from UPS");
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if (temp[0] != '(') {
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pollfail("Poll failed: invalid start character");
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if (poll_failures > 0)
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upslogx(LOG_NOTICE, "UPS poll succeeded");
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/* (MMM.M NNN.N PPP.P QQQ RR.R S.SS TT.T b7b6b5b4b3b2b1b0<cr>
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* MMM.M : input voltage (utility)
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* NNN.N : fault voltage (ignored)
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* PPP.P : output voltage
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sscanf(temp, "%*c%s %*s %s %s %s %s %s %s", utility, outvolt, loadpct,
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acfreq, battvolt, upstemp, stat);
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dstate_setinfo("output.voltage", "%s", outvolt);
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dstate_setinfo("input.voltage", "%s", utility);
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dstate_setinfo("battery.voltage", "%s", battvolt);
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bvoltp = ((atof(battvolt) - lowvolt) / voltrange) * 100.0;
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dstate_setinfo("battery.charge", "%02.1f", bvoltp);
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util = atoi(utility);
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if (stat[0] == '0') {
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status_set("OL"); /* on line */
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/* only allow these when OL since they're bogus when OB */
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if (stat[2] == '1') { /* boost or trim in effect */
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status_set("OB"); /* on battery */
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status_set("LB"); /* low battery */
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if (cap_upstemp == 1)
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dstate_setinfo("ups.temperature", "%s", upstemp);
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dstate_setinfo("input.frequency", "%s", acfreq);
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dstate_setinfo("ups.load", "%s", loadpct);
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/* power down the attached load immediately */
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void upsdrv_shutdown(void)
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char temp[256], stat[32];
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/* basic idea: find out line status and send appropriate command */
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upsrecv (temp, sizeof(temp), ENDCHAR, "");
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sscanf (temp, "%*s %*s %*s %*s %*s %*s %*s %s", stat);
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/* on battery: send S01<cr>, ups will return by itself on utility */
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/* on line: send S01R0003<cr>, ups will cycle and return soon */
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if (stat[0] == '0') { /* on line */
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printf("On line, sending shutdown+return command...\n");
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printf("On battery, sending normal shutdown command...\n");
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upssendchar(13); /* end sequence */
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void upsdrv_help(void)
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void upsdrv_makevartable(void)
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void upsdrv_banner(void)
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printf("Network UPS Tools - SMS UPS driver %s (%s)\n",
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DRV_VERSION, UPS_VERSION);
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printf("by Marcio Gomes at Microlink - tecnica@microlink.com.br\n\n");
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void upsdrv_initups(void)
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open_serial(device_path, B2400);
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void upsdrv_cleanup(void)
added
removed
drivers/sms.c
