557 lines
15 KiB
C
557 lines
15 KiB
C
/* liebert-esp2.c - driver for Liebert UPS, using the ESP-II protocol
|
|
*
|
|
* Copyright (C)
|
|
* 2009 Richard Gregory <r.gregory liverpool ac uk>
|
|
*
|
|
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "main.h"
|
|
#include "serial.h"
|
|
#include "timehead.h"
|
|
#include "nut_stdint.h"
|
|
|
|
#define sivann
|
|
#define IsBitSet(val, bit) ((val) & (1 << (bit)))
|
|
|
|
#define DRIVER_NAME "Liebert ESP-II serial UPS driver"
|
|
#define DRIVER_VERSION "0.03"
|
|
#define UPS_SHUTDOWN_DELAY 12 /* it means UPS will be shutdown 120 sec */
|
|
#define SHUTDOWN_CMD_LEN 8
|
|
|
|
/* values for sending to UPS */
|
|
enum mult_enum {
|
|
M_10,
|
|
M_0_1,
|
|
M_VOLTAGE_I,
|
|
M_VOLTAGE_O,
|
|
M_VOLTAGE_B,
|
|
M_CURRENT_I,
|
|
M_CURRENT_O,
|
|
M_CURRENT_B,
|
|
M_LOAD_VA,
|
|
M_LOAD_WATT,
|
|
M_FREQUENCY,
|
|
M_VOLT_DC,
|
|
M_TEMPERATURE,
|
|
M_CURRENT_DC ,
|
|
M_BAT_RUNTIME,
|
|
M_NOMPOWER,
|
|
M_POWER,
|
|
M_REALPOWER,
|
|
M_LOADPERC
|
|
};
|
|
|
|
static float multi[19]={
|
|
10.0,
|
|
0.1,
|
|
0.1, /* volt */
|
|
0.1,
|
|
0.1,
|
|
0.1, /* curr */
|
|
0.1,
|
|
0.1,
|
|
100.0, /* va */
|
|
100.0, /* W */
|
|
0.01, /* FREQ */
|
|
0.1, /* V DC*/
|
|
0.1, /* TEMP*/
|
|
0.01, /* CUR DC*/
|
|
60.0, /* BAT RUNTIME*/
|
|
100.0, /* NOMPOWER*/
|
|
100.0, /* POWER*/
|
|
100.0, /* REAL POWER*/
|
|
1.0 /* LOADPERC*/
|
|
};
|
|
|
|
static int instcmd(const char *cmdname, const char *extra);
|
|
static int setvar(const char *varname, const char *val);
|
|
|
|
/* driver description structure */
|
|
upsdrv_info_t upsdrv_info = {
|
|
DRIVER_NAME,
|
|
DRIVER_VERSION,
|
|
"Richard Gregory <r.gregory liv ac uk>\n" \
|
|
"Robert Jobbagy <jobbagy.robert at gmail dot com",
|
|
DRV_EXPERIMENTAL,
|
|
{ NULL }
|
|
};
|
|
|
|
static const unsigned char
|
|
/* Bit field information provided by Spiros Ioannou */
|
|
/* Ordered on MSB to LSB. Shown as DESCRIPTION (bit number), starting at 0. */
|
|
cmd_bitfield1[] = { 1,148,2,1,1,153 }, /* ON_BATTERY(8), INPUT_OVERVOLTAGE(7), BATTERY_TEST_STATE(6), OVERTEMP_WARNING(5), INRUSH_LIMIT_ON(4), UTILITY_STATE(3), ON_INVERTER(2), DC_DC_CONVERTER_STATE(1), PFC_ON(0) */
|
|
cmd_bitfield2[] = { 1,148,2,1,2,154 }, /* BUCK_ON (9), DIAG_LINK_SET(7), BOOST_ON(6), REPLACE_BATTERY(5), BATTERY_LIFE_ENHANCER_ON(4), BATTERY_CHARGED (1), ON_BYPASS (0) */
|
|
cmd_bitfield3[] = { 1,148,2,1,3,155 }, /* CHECK_AIR_FILTER (10), BAD_BYPASS_PWR (8), OUTPUT_OVERVOLTAGE (7), OUTPUT_UNDERVOLTAGE (6), LOW_BATTERY (5), CHARGER_FAIL (3), SHUTDOWN_PENDING (2), BAD_INPUT_FREQ (1), UPS_OVERLOAD (0) */
|
|
cmd_bitfield7[] = { 1,148,2,1,7,159 }, /* AMBIENT_OVERTEMP (2) */
|
|
cmd_battestres[] = { 1,148,2,1,12,164 }, /* BATTERY_TEST_RESULT */
|
|
cmd_selftestres[] = { 1,148,2,1,13,165 }, /* SELF_TEST_RESULT */
|
|
cmd_upstype[] = { 1,136,2,1,1,141}, /* type bits + number of phases in bit groups*/
|
|
cmd_scaling1[] = { 1,131,2,1,2,137}, /* part of multiplier information*/
|
|
|
|
/* Shutdown commands by Robert Jobbagy */
|
|
cmd_setOutOffMode[] = { 1,156,4,1,6,0,1,169}, /* UPS OutOffMode command */
|
|
cmd_setOutOffDelay[] = {1,156,4,1,5,0,UPS_SHUTDOWN_DELAY,167+UPS_SHUTDOWN_DELAY}, /* UPS Shutdown with delay */
|
|
cmd_sysLoadKey[] = {1,156,2,1,7,167}, /* UPS SysLoadKey */
|
|
cmd_shutdown[] = {1,156,4,1,136,76,76,194}; /* UPS shutdown */
|
|
|
|
static int num_inphases = 1, num_outphases = 1;
|
|
|
|
static char cksum(const char *buf, const size_t len)
|
|
{
|
|
char sum = 0;
|
|
size_t i;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
sum += buf[i];
|
|
}
|
|
|
|
return sum;
|
|
}
|
|
|
|
static int do_command(const unsigned char *command, char *reply, int cmd_len)
|
|
{
|
|
int ret;
|
|
|
|
ret = ser_send_buf(upsfd, command, cmd_len);
|
|
if (ret < 0) {
|
|
upsdebug_with_errno(2, "send");
|
|
return -1;
|
|
} else if (ret < cmd_len) {
|
|
upsdebug_hex(2, "send: truncated", command, ret);
|
|
return -1;
|
|
}
|
|
|
|
upsdebug_hex(2, "send", command, ret);
|
|
|
|
ret = ser_get_buf_len(upsfd, reply, 8, 1, 0); /* it needs that this driver works with USB to Serial cable */
|
|
if (ret < 0) {
|
|
upsdebug_with_errno(2, "read");
|
|
return -1;
|
|
} else if (ret < 6) {
|
|
upsdebug_hex(2, "read: truncated", reply, ret);
|
|
return -1;
|
|
} else if (reply[7] != cksum(reply, 7)) {
|
|
upsdebug_hex(2, "read: checksum error", reply, ret);
|
|
return -1;
|
|
}
|
|
|
|
upsdebug_hex(2, "read", reply, ret);
|
|
return ret;
|
|
}
|
|
|
|
void upsdrv_initinfo(void)
|
|
{
|
|
struct {
|
|
const char *var;
|
|
unsigned char len;
|
|
} vartab[] = {
|
|
{ "ups.model",15 },
|
|
{ "ups.firmware",8 },
|
|
{ "ups.serial",10 },
|
|
{ "ups.mfr.date",4 },
|
|
{ NULL }
|
|
};
|
|
|
|
char buf[LARGEBUF];
|
|
int i,bitn,vari,ret=0,offset=4,readok=0;
|
|
char command[6], reply[8];
|
|
unsigned int value;
|
|
|
|
dstate_setinfo("ups.mfr", "%s", "Liebert");
|
|
|
|
for (vari = 0; vartab[vari].var; vari++) {
|
|
upsdebugx(1, "reading: %s", vartab[vari].var);
|
|
|
|
for (i = 0; i < vartab[vari].len; i++) {
|
|
snprintf(command, sizeof(command), "\x01\x88\x02\x01%c", i+offset);
|
|
command[5] = cksum(command, 5);
|
|
|
|
ret = do_command((unsigned char *)command, reply, 6);
|
|
if (ret < 8) {
|
|
upsdebug_hex(2, "send: truncated", command, ret);
|
|
break;
|
|
}
|
|
|
|
buf[i<<1] = reply[6];
|
|
buf[(i<<1)+1] = reply[5];
|
|
}
|
|
|
|
buf[i<<1] = 0;
|
|
upsdebugx(1, "return: %d (8=success)", ret);
|
|
|
|
if (ret == 8) { /* last command successful */
|
|
dstate_setinfo(vartab[vari].var,"%s",buf);
|
|
readok++;
|
|
}
|
|
offset+=vartab[vari].len;
|
|
} /* for */
|
|
if (!readok) {
|
|
fatalx(EXIT_FAILURE, "ESP-II capable UPS not detected");
|
|
}
|
|
|
|
/* determine number of input & output phases and ups type */
|
|
memcpy(command,cmd_upstype,6);
|
|
ret = do_command((unsigned char *)command, reply, 6);
|
|
if (ret < 8) {
|
|
upsdebug_hex(2, "send: phase detection: truncated", command, ret);
|
|
}
|
|
else {
|
|
/* input: from bit 0 to bit 1 (2 bits) */
|
|
for (value=0,bitn=0;bitn<2;bitn++) {
|
|
if (IsBitSet(reply[6],(unsigned short int)bitn)) /* bit range measurement on LSByte*/
|
|
value+=(1<<(unsigned short int)(bitn - 0));
|
|
}
|
|
num_inphases=value;
|
|
dstate_setinfo("input.phases", "%d", value);
|
|
|
|
/* output: from bit 4 to bit 5 (2 bits)*/
|
|
for (value=0,bitn=4;bitn<6;bitn++) {
|
|
if (IsBitSet(reply[6],(unsigned short int)bitn)) /* bit range measurement on LSByte*/
|
|
value+=(1<<(unsigned short int)(bitn - 4));
|
|
}
|
|
num_outphases=value;
|
|
dstate_setinfo("output.phases", "%d", value);
|
|
|
|
if (reply[5] & (1<<4)) { /* ISOFFLINE */
|
|
dstate_setinfo("ups.type", "offline") ;
|
|
}
|
|
else if (reply[5] & (1<<5)) { /* ISINTERACTIVE */
|
|
dstate_setinfo("ups.type", "line-interactive") ;
|
|
}
|
|
else {
|
|
dstate_setinfo("ups.type", "online") ;
|
|
}
|
|
}
|
|
|
|
/* determine scaling */
|
|
/* full scaling output not defined yet, but we can differentiate sets of
|
|
* multipliers based on a sample scaling reading */
|
|
memcpy(command,cmd_scaling1,6);
|
|
ret = do_command((unsigned char *)command, reply, 6);
|
|
if (ret < 8) {
|
|
upsdebug_hex(2, "send: scaling detection: truncated", command, ret);
|
|
}
|
|
else { /* add here multipliers that differentiate between models */
|
|
switch (reply[6]) {
|
|
case 1: /* GXT-2 */
|
|
multi[M_FREQUENCY]=0.1;
|
|
multi[M_VOLT_DC]=1.0;
|
|
multi[M_POWER]=1.0;
|
|
multi[M_NOMPOWER]=1.0;
|
|
break;
|
|
case 2: /* NXe */
|
|
multi[M_FREQUENCY]=0.01;
|
|
multi[M_VOLT_DC]=0.1;
|
|
multi[M_POWER]=100.0;
|
|
multi[M_NOMPOWER]=100.0;
|
|
break;
|
|
default: /* the default values from definition of multi will be used */
|
|
break;
|
|
}
|
|
}
|
|
|
|
upsh.instcmd = instcmd;
|
|
upsh.setvar = setvar;
|
|
}
|
|
|
|
void upsdrv_updateinfo(void)
|
|
{
|
|
typedef struct {
|
|
const unsigned char cmd[6];
|
|
const char *var;
|
|
const char *fmt;
|
|
const int multindex;
|
|
} cmd_s;
|
|
|
|
static cmd_s vartab[] = { /* common vars */
|
|
{ { 1,149,2,1,1,154 }, "battery.runtime", "%.0f", M_BAT_RUNTIME },
|
|
{ { 1,149,2,1,2,155 }, "battery.voltage", "%.1f", M_VOLT_DC },
|
|
{ { 1,149,2,1,3,156 }, "battery.current", "%.2f", M_CURRENT_DC },
|
|
{ { 1,161,2,1,13,178 }, "battery.voltage.nominal", "%.1f", M_VOLT_DC },
|
|
{ { 1,149,2,1,12,165 }, "battery.temperature", "%.1f", M_TEMPERATURE },
|
|
{ { 1,149,2,1,14,167 }, "ups.temperature", "%.1f", M_TEMPERATURE },
|
|
{ { 1,161,2,1,8,173 }, "ups.power.nominal", "%.0f", M_NOMPOWER },
|
|
{ { 1,161,2,1,4,169 }, "ups.delay.start", "%.0f", M_10 },
|
|
{ { 1,161,2,1,14,179 },"battery.runtime.low", "%.0f", M_BAT_RUNTIME },
|
|
{ { 1,149,2,1,8,161 }, "input.frequency", "%.1f", M_FREQUENCY },
|
|
{ { 1,149,2,1,10,163 }, "input.bypass.frequency", "%.1f", M_FREQUENCY },
|
|
{ { 1,161,2,1,9,174 }, "input.frequency.nominal", "%.1f", M_FREQUENCY },
|
|
{ { 1,149,2,1,9,162 }, "output.frequency", "%.1f", M_FREQUENCY },
|
|
{ { 1,161,2,1,10,175 }, "output.frequency.nominal", "%.1f", M_FREQUENCY },
|
|
{ { 0 }, NULL, NULL, 0 }
|
|
};
|
|
|
|
static cmd_s vartab1o[] = { /* 1-phase out */
|
|
{ { 1,149,2,1,7,160 }, "ups.load", "%.0f", M_LOADPERC },
|
|
{ { 1,149,2,1,6,159 }, "ups.power", "%.0f", M_POWER },
|
|
{ { 1,149,2,1,5,158 }, "ups.realpower", "%.0f", M_POWER },
|
|
{ { 1,144,2,1,3,151 }, "output.voltage", "%.1f", M_VOLTAGE_O },
|
|
{ { 1,144,2,1,4,152 }, "output.current", "%.1f", M_CURRENT_O },
|
|
{ { 0 }, NULL, NULL, 0 }
|
|
};
|
|
|
|
static cmd_s vartab1i[] = { /* 1-phase in*/
|
|
{ { 1,144,2,1,1,149 }, "input.voltage", "%.1f", M_VOLTAGE_I },
|
|
{ { 1,144,2,1,5,153 }, "input.bypass.voltage", "%.1f", M_VOLTAGE_B },
|
|
{ { 1,144,2,1,6,154 }, "input.bypass.current", "%.1f", M_CURRENT_B },
|
|
{ { 0 }, NULL, NULL, 0 }
|
|
};
|
|
|
|
static cmd_s vartab3o[] = { /*3-phase out */
|
|
{ { 1,144,2,1,24,172 }, "ups.L1.load", "%.0f", M_LOADPERC },
|
|
{ { 1,145,2,1,24,173 }, "ups.L2.load", "%.0f", M_LOADPERC },
|
|
{ { 1,146,2,1,24,174 }, "ups.L3.load", "%.0f", M_LOADPERC },
|
|
{ { 1,144,2,1,22,170 }, "ups.L1.power", "%.0f", M_POWER },
|
|
{ { 1,145,2,1,22,171 }, "ups.L2.power", "%.0f", M_POWER },
|
|
{ { 1,146,2,1,22,172 }, "ups.L3.power", "%.0f", M_POWER },
|
|
{ { 1,144,2,1,21,169 }, "ups.L1.realpower", "%.0f", M_POWER },
|
|
{ { 1,145,2,1,21,170 }, "ups.L2.realpower", "%.0f", M_POWER },
|
|
{ { 1,146,2,1,21,171 }, "ups.L3.realpower", "%.0f", M_POWER },
|
|
{ { 1,144,2,1,3,151 }, "output.L1-N.voltage", "%.1f", M_VOLTAGE_O },
|
|
{ { 1,145,2,1,3,152 }, "output.L2-N.voltage", "%.1f", M_VOLTAGE_O },
|
|
{ { 1,146,2,1,3,153 }, "output.L3-N.voltage", "%.1f", M_VOLTAGE_O },
|
|
{ { 1,144,2,1,14,162 }, "output.L1.crestfactor", "%.1f", M_0_1 },
|
|
{ { 1,145,2,1,14,163 }, "output.L2.crestfactor", "%.1f", M_0_1 },
|
|
{ { 1,146,2,1,14,164 }, "output.L3.crestfactor", "%.1f", M_0_1 },
|
|
{ { 0 }, NULL, NULL, 0 }
|
|
};
|
|
|
|
static cmd_s vartab3i[] = { /*3-phase in */
|
|
{ { 1,144,2,1,1,149 }, "input.L1-N.voltage", "%.1f", M_VOLTAGE_I },
|
|
{ { 1,145,2,1,1,150 }, "input.L2-N.voltage", "%.1f", M_VOLTAGE_I },
|
|
{ { 1,146,2,1,1,151 }, "input.L3-N.voltage", "%.1f", M_VOLTAGE_I },
|
|
|
|
{ { 1,144,2,1,5,153 }, "input.L1-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
|
|
{ { 1,145,2,1,5,154 }, "input.L2-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
|
|
{ { 1,146,2,1,5,155 }, "input.L3-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
|
|
|
|
{ { 1,144,2,1,6,154 }, "input.L1-N.bypass.current", "%.1f", M_CURRENT_B },
|
|
{ { 1,145,2,1,6,155 }, "input.L2-N.bypass.current", "%.1f", M_CURRENT_B },
|
|
{ { 1,146,2,1,6,156 }, "input.L3-N.bypass.current", "%.1f", M_CURRENT_B },
|
|
|
|
{ { 1,144,2,1,2,150 }, "input.L1.current", "%.1f", M_CURRENT_I },
|
|
{ { 1,145,2,1,2,151 }, "input.L2.current", "%.1f", M_CURRENT_I },
|
|
{ { 1,146,2,1,2,152 }, "input.L3.current", "%.1f", M_CURRENT_I },
|
|
{ { 0 }, NULL, NULL, 0 }
|
|
};
|
|
|
|
static cmd_s * cmdin_p;
|
|
static cmd_s * cmdout_p;
|
|
|
|
const char *val;
|
|
char reply[8];
|
|
int ret, i;
|
|
|
|
for (i = 0; vartab[i].var; i++) {
|
|
int16_t val;
|
|
ret = do_command(vartab[i].cmd, reply, 6);
|
|
if (ret < 8) {
|
|
continue;
|
|
}
|
|
val = (unsigned char)reply[5];
|
|
val <<= 8;
|
|
val += (unsigned char)reply[6];
|
|
dstate_setinfo(vartab[i].var, vartab[i].fmt, val * multi[vartab[i].multindex]);
|
|
}
|
|
|
|
if (num_inphases>1){
|
|
cmdin_p=vartab3i;
|
|
}
|
|
else {
|
|
cmdin_p=vartab1i;
|
|
}
|
|
|
|
if (num_outphases>1){
|
|
cmdout_p=vartab3o;
|
|
}
|
|
else {
|
|
cmdout_p=vartab1o;
|
|
}
|
|
|
|
for (i = 0; cmdin_p[i].var; i++) {
|
|
int16_t val;
|
|
ret = do_command(cmdin_p[i].cmd, reply, 6);
|
|
if (ret < 8) {
|
|
continue;
|
|
}
|
|
val = (unsigned char)reply[5];
|
|
val <<= 8;
|
|
val += (unsigned char)reply[6];
|
|
dstate_setinfo(cmdin_p[i].var, cmdin_p[i].fmt, val * multi[cmdin_p[i].multindex]);
|
|
}
|
|
|
|
for (i = 0; cmdout_p[i].var; i++) {
|
|
int16_t val;
|
|
ret = do_command(cmdout_p[i].cmd, reply, 6);
|
|
if (ret < 8) {
|
|
continue;
|
|
}
|
|
val = (unsigned char)reply[5];
|
|
val <<= 8;
|
|
val += (unsigned char)reply[6];
|
|
dstate_setinfo(cmdout_p[i].var, cmdout_p[i].fmt, val * multi[cmdout_p[i].multindex]);
|
|
}
|
|
|
|
status_init();
|
|
|
|
ret = do_command(cmd_bitfield1, reply, 6);
|
|
if (ret < 8) {
|
|
upslogx(LOG_ERR, "Failed reading bitfield #1");
|
|
dstate_datastale();
|
|
return;
|
|
}
|
|
|
|
if (reply[5] & (1<<0)) { /* ON_BATTERY */
|
|
status_set("OB");
|
|
} else {
|
|
status_set("OL");
|
|
}
|
|
|
|
val = dstate_getinfo("battery.current");
|
|
if (val) {
|
|
if (atof(val) > 0.05) {
|
|
status_set("CHRG");
|
|
}
|
|
if (atof(val) < -0.05) {
|
|
status_set("DISCHRG");
|
|
}
|
|
}
|
|
|
|
ret = do_command(cmd_bitfield2, reply, 6);
|
|
if (ret < 8) {
|
|
upslogx(LOG_ERR, "Failed reading bitfield #2");
|
|
dstate_datastale();
|
|
return;
|
|
}
|
|
|
|
if (reply[6] & (1<<0)) { /* ON_BYPASS */
|
|
status_set("BYPASS");
|
|
}
|
|
|
|
if (reply[6] & (1<<5)) { /* REPLACE_BATTERY */
|
|
status_set("RB");
|
|
}
|
|
|
|
if (reply[6] & (1<<6)) { /* BOOST_ON */
|
|
status_set("BOOST");
|
|
}
|
|
|
|
if (reply[5] & (1<<1)) { /* BUCK_ON */
|
|
status_set("TRIM");
|
|
}
|
|
|
|
ret = do_command(cmd_bitfield3, reply, 6);
|
|
if (ret < 8) {
|
|
upslogx(LOG_ERR, "Failed reading bitfield #3");
|
|
dstate_datastale();
|
|
return;
|
|
}
|
|
|
|
if (reply[6] & (1<<0) ) { /* UPS_OVERLOAD */
|
|
status_set("OVER");
|
|
}
|
|
|
|
if (reply[6] & (1<<5) ) { /* LOW_BATTERY */
|
|
status_set("LB");
|
|
}
|
|
|
|
status_commit();
|
|
|
|
dstate_dataok();
|
|
}
|
|
|
|
void upsdrv_shutdown(void)
|
|
{
|
|
char reply[8];
|
|
|
|
if(!(do_command(cmd_setOutOffMode, reply, 8) != -1) &&
|
|
(do_command(cmd_setOutOffDelay, reply, 8) != -1) &&
|
|
(do_command(cmd_sysLoadKey, reply, 6) != -1) &&
|
|
(do_command(cmd_shutdown, reply, 8) != -1))
|
|
upslogx(LOG_ERR, "Failed to shutdown UPS");
|
|
}
|
|
|
|
static int instcmd(const char *cmdname, const char *extra)
|
|
{
|
|
/*
|
|
if (!strcasecmp(cmdname, "test.battery.stop")) {
|
|
ser_send_buf(upsfd, ...);
|
|
return STAT_INSTCMD_HANDLED;
|
|
}
|
|
*/
|
|
upslogx(LOG_NOTICE, "instcmd: unknown command [%s]", cmdname);
|
|
return STAT_INSTCMD_UNKNOWN;
|
|
}
|
|
|
|
static int setvar(const char *varname, const char *val)
|
|
{
|
|
/*
|
|
if (!strcasecmp(varname, "ups.test.interval")) {
|
|
|
|
ser_send_buf(upsfd, ...);
|
|
return STAT_SET_HANDLED;
|
|
}
|
|
*/
|
|
upslogx(LOG_NOTICE, "setvar: unknown variable [%s]", varname);
|
|
return STAT_SET_UNKNOWN;
|
|
}
|
|
|
|
void upsdrv_help(void)
|
|
{
|
|
}
|
|
|
|
/* list flags and values that you want to receive via -x */
|
|
void upsdrv_makevartable(void)
|
|
{
|
|
addvar (VAR_VALUE, "baudrate", "serial line speed");
|
|
}
|
|
|
|
void upsdrv_initups(void)
|
|
{
|
|
const char *val = getval("baudrate");
|
|
speed_t baudrate = B2400;
|
|
|
|
if (val) {
|
|
switch (atoi(val))
|
|
{
|
|
case 1200:
|
|
baudrate = B1200;
|
|
break;
|
|
case 2400:
|
|
baudrate = B2400;
|
|
break;
|
|
case 4800:
|
|
baudrate = B4800;
|
|
break;
|
|
case 9600:
|
|
baudrate = B9600;
|
|
break;
|
|
case 19200:
|
|
baudrate = B19200;
|
|
break;
|
|
default:
|
|
fatalx(EXIT_FAILURE, "Baudrate [%s] unsupported", val);
|
|
}
|
|
}
|
|
|
|
upsfd = ser_open(device_path);
|
|
ser_set_speed(upsfd, device_path, baudrate);
|
|
}
|
|
|
|
void upsdrv_cleanup(void)
|
|
{
|
|
ser_close(upsfd, device_path);
|
|
}
|