558 lines
15 KiB
C
558 lines
15 KiB
C
/* liebert-esp2.c - driver for Liebert UPS, using the ESP-II protocol
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*
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* Copyright (C)
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* 2009 Richard Gregory <r.gregory liverpool ac uk>
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*
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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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*
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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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*
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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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*/
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#include "main.h"
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#include "serial.h"
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#include "timehead.h"
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#include "nut_stdint.h"
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#define sivann
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#define IsBitSet(val, bit) ((val) & (1 << (bit)))
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#define DRIVER_NAME "Liebert ESP-II serial UPS driver"
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#define DRIVER_VERSION "0.03"
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#define UPS_SHUTDOWN_DELAY 12 /* it means UPS will be shutdown 120 sec */
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#define SHUTDOWN_CMD_LEN 8
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/* values for sending to UPS */
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enum mult_enum {
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M_10,
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M_0_1,
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M_VOLTAGE_I,
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M_VOLTAGE_O,
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M_VOLTAGE_B,
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M_CURRENT_I,
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M_CURRENT_O,
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M_CURRENT_B,
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M_LOAD_VA,
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M_LOAD_WATT,
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M_FREQUENCY,
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M_VOLT_DC,
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M_TEMPERATURE,
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M_CURRENT_DC ,
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M_BAT_RUNTIME,
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M_NOMPOWER,
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M_POWER,
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M_REALPOWER,
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M_LOADPERC
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};
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static float multi[19]={
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10.0,
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0.1,
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0.1, /* volt */
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0.1,
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0.1,
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0.1, /* curr */
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0.1,
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0.1,
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100.0, /* va */
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100.0, /* W */
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0.01, /* FREQ */
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0.1, /* V DC*/
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0.1, /* TEMP*/
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0.01, /* CUR DC*/
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60.0, /* BAT RUNTIME*/
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100.0, /* NOMPOWER*/
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100.0, /* POWER*/
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100.0, /* REAL POWER*/
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1.0 /* LOADPERC*/
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};
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static int instcmd(const char *cmdname, const char *extra);
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static int setvar(const char *varname, const char *val);
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/* driver description structure */
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upsdrv_info_t upsdrv_info = {
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DRIVER_NAME,
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DRIVER_VERSION,
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"Richard Gregory <r.gregory liv ac uk>\n" \
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"Robert Jobbagy <jobbagy.robert at gmail dot com",
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DRV_EXPERIMENTAL,
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{ NULL }
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};
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static const unsigned char
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/* Bit field information provided by Spiros Ioannou */
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/* Ordered on MSB to LSB. Shown as DESCRIPTION (bit number), starting at 0. */
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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) */
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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) */
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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) */
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cmd_bitfield7[] = { 1,148,2,1,7,159 }, /* AMBIENT_OVERTEMP (2) */
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cmd_battestres[] = { 1,148,2,1,12,164 }, /* BATTERY_TEST_RESULT */
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cmd_selftestres[] = { 1,148,2,1,13,165 }, /* SELF_TEST_RESULT */
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cmd_upstype[] = { 1,136,2,1,1,141}, /* type bits + number of phases in bit groups*/
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cmd_scaling1[] = { 1,131,2,1,2,137}, /* part of multiplier information*/
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/* Shutdown commands by Robert Jobbagy */
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cmd_setOutOffMode[] = { 1,156,4,1,6,0,1,169}, /* UPS OutOffMode command */
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cmd_setOutOffDelay[] = {1,156,4,1,5,0,UPS_SHUTDOWN_DELAY,167+UPS_SHUTDOWN_DELAY}, /* UPS Shutdown with delay */
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cmd_sysLoadKey[] = {1,156,2,1,7,167}, /* UPS SysLoadKey */
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cmd_shutdown[] = {1,156,4,1,136,76,76,194}; /* UPS shutdown */
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static int num_inphases = 1, num_outphases = 1;
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static char cksum(const char *buf, const size_t len)
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{
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char sum = 0;
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size_t i;
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for (i = 0; i < len; i++) {
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sum += buf[i];
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}
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return sum;
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}
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static int do_command(const unsigned char *command, char *reply, int cmd_len)
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{
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int ret;
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ret = ser_send_buf(upsfd, command, cmd_len);
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if (ret < 0) {
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upsdebug_with_errno(2, "send");
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return -1;
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} else if (ret < cmd_len) {
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upsdebug_hex(2, "send: truncated", command, ret);
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return -1;
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}
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upsdebug_hex(2, "send", command, ret);
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ret = ser_get_buf_len(upsfd, reply, 8, 1, 0); /* it needs that this driver works with USB to Serial cable */
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if (ret < 0) {
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upsdebug_with_errno(2, "read");
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return -1;
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} else if (ret < 6) {
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upsdebug_hex(2, "read: truncated", reply, ret);
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return -1;
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} else if (reply[7] != cksum(reply, 7)) {
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upsdebug_hex(2, "read: checksum error", reply, ret);
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return -1;
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}
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upsdebug_hex(2, "read", reply, ret);
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return ret;
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}
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void upsdrv_initinfo(void)
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{
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struct {
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const char *var;
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unsigned char len;
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} vartab[] = {
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{ "ups.model",15 },
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{ "ups.firmware",8 },
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{ "ups.serial",10 },
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{ "ups.mfr.date",4 },
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{ NULL }
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};
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char buf[LARGEBUF];
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int i,bitn,vari,ret=0,offset=4,readok=0;
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char command[6], reply[8];
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unsigned int value;
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dstate_setinfo("ups.mfr", "%s", "Liebert");
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for (vari = 0; vartab[vari].var; vari++) {
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upsdebugx(1, "reading: %s", vartab[vari].var);
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for (i = 0; i < vartab[vari].len; i++) {
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snprintf(command, sizeof(command), "\x01\x88\x02\x01%c", i+offset);
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command[5] = cksum(command, 5);
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ret = do_command((unsigned char *)command, reply, 6);
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if (ret < 8) {
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upsdebug_hex(2, "send: truncated", command, ret);
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break;
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}
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buf[i<<1] = reply[6];
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buf[(i<<1)+1] = reply[5];
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}
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buf[i<<1] = 0;
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upsdebugx(1, "return: %d (8=success)", ret);
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if (ret == 8) { /* last command successful */
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dstate_setinfo(vartab[vari].var,"%s",buf);
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readok++;
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}
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offset+=vartab[vari].len;
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} /* for */
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if (!readok) {
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fatalx(EXIT_FAILURE, "ESP-II capable UPS not detected");
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}
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/* determine number of input & output phases and ups type */
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memcpy(command,cmd_upstype,6);
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ret = do_command((unsigned char *)command, reply, 6);
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if (ret < 8) {
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upsdebug_hex(2, "send: phase detection: truncated", command, ret);
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}
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else {
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/* input: from bit 0 to bit 1 (2 bits) */
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for (value=0,bitn=0;bitn<2;bitn++) {
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if (IsBitSet(reply[6],(unsigned short int)bitn)) /* bit range measurement on LSByte*/
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value+=(1<<(unsigned short int)(bitn - 0));
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}
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num_inphases=value;
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dstate_setinfo("input.phases", "%d", value);
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/* output: from bit 4 to bit 5 (2 bits)*/
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for (value=0,bitn=4;bitn<6;bitn++) {
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if (IsBitSet(reply[6],(unsigned short int)bitn)) /* bit range measurement on LSByte*/
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value+=(1<<(unsigned short int)(bitn - 4));
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}
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num_outphases=value;
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dstate_setinfo("output.phases", "%d", value);
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if (reply[5] & (1<<4)) { /* ISOFFLINE */
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dstate_setinfo("ups.type", "offline") ;
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}
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else if (reply[5] & (1<<5)) { /* ISINTERACTIVE */
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dstate_setinfo("ups.type", "line-interactive") ;
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}
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else {
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dstate_setinfo("ups.type", "online") ;
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}
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}
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/* determine scaling */
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/* full scaling output not defined yet, but we can differentiate sets of
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* multipliers based on a sample scaling reading */
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memcpy(command,cmd_scaling1,6);
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ret = do_command((unsigned char *)command, reply, 6);
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if (ret < 8) {
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upsdebug_hex(2, "send: scaling detection: truncated", command, ret);
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}
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else { /* add here multipliers that differentiate between models */
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switch (reply[6]) {
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case 1: /* GXT-2 */
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multi[M_FREQUENCY]=0.1;
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multi[M_VOLT_DC]=1.0;
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multi[M_POWER]=1.0;
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multi[M_NOMPOWER]=1.0;
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break;
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case 2: /* NXe */
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multi[M_FREQUENCY]=0.01;
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multi[M_VOLT_DC]=0.1;
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multi[M_POWER]=100.0;
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multi[M_NOMPOWER]=100.0;
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break;
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default: /* the default values from definition of multi will be used */
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break;
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}
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}
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upsh.instcmd = instcmd;
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upsh.setvar = setvar;
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}
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void upsdrv_updateinfo(void)
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{
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typedef struct {
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const unsigned char cmd[6];
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const char *var;
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const char *fmt;
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const int multindex;
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} cmd_s;
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static cmd_s vartab[] = { /* common vars */
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{ { 1,149,2,1,1,154 }, "battery.runtime", "%.0f", M_BAT_RUNTIME },
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{ { 1,149,2,1,2,155 }, "battery.voltage", "%.1f", M_VOLT_DC },
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{ { 1,149,2,1,3,156 }, "battery.current", "%.2f", M_CURRENT_DC },
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{ { 1,161,2,1,13,178 }, "battery.voltage.nominal", "%.1f", M_VOLT_DC },
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{ { 1,149,2,1,12,165 }, "battery.temperature", "%.1f", M_TEMPERATURE },
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{ { 1,149,2,1,14,167 }, "ups.temperature", "%.1f", M_TEMPERATURE },
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{ { 1,161,2,1,8,173 }, "ups.power.nominal", "%.0f", M_NOMPOWER },
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{ { 1,161,2,1,4,169 }, "ups.delay.start", "%.0f", M_10 },
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{ { 1,161,2,1,14,179 },"battery.runtime.low", "%.0f", M_BAT_RUNTIME },
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{ { 1,149,2,1,8,161 }, "input.frequency", "%.1f", M_FREQUENCY },
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{ { 1,149,2,1,10,163 }, "input.bypass.frequency", "%.1f", M_FREQUENCY },
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{ { 1,161,2,1,9,174 }, "input.frequency.nominal", "%.1f", M_FREQUENCY },
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{ { 1,149,2,1,9,162 }, "output.frequency", "%.1f", M_FREQUENCY },
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{ { 1,161,2,1,10,175 }, "output.frequency.nominal", "%.1f", M_FREQUENCY },
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{ { 0 }, NULL, NULL, 0 }
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};
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static cmd_s vartab1o[] = { /* 1-phase out */
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{ { 1,149,2,1,7,160 }, "ups.load", "%.0f", M_LOADPERC },
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{ { 1,149,2,1,6,159 }, "ups.power", "%.0f", M_POWER },
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{ { 1,149,2,1,5,158 }, "ups.realpower", "%.0f", M_POWER },
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{ { 1,144,2,1,3,151 }, "output.voltage", "%.1f", M_VOLTAGE_O },
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{ { 1,144,2,1,4,152 }, "output.current", "%.1f", M_CURRENT_O },
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{ { 0 }, NULL, NULL, 0 }
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};
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static cmd_s vartab1i[] = { /* 1-phase in*/
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{ { 1,144,2,1,1,149 }, "input.voltage", "%.1f", M_VOLTAGE_I },
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{ { 1,144,2,1,5,153 }, "input.bypass.voltage", "%.1f", M_VOLTAGE_B },
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{ { 1,144,2,1,6,154 }, "input.bypass.current", "%.1f", M_CURRENT_B },
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{ { 0 }, NULL, NULL, 0 }
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};
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static cmd_s vartab3o[] = { /*3-phase out */
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{ { 1,144,2,1,24,172 }, "ups.L1.load", "%.0f", M_LOADPERC },
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{ { 1,145,2,1,24,173 }, "ups.L2.load", "%.0f", M_LOADPERC },
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{ { 1,146,2,1,24,174 }, "ups.L3.load", "%.0f", M_LOADPERC },
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{ { 1,144,2,1,22,170 }, "ups.L1.power", "%.0f", M_POWER },
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{ { 1,145,2,1,22,171 }, "ups.L2.power", "%.0f", M_POWER },
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{ { 1,146,2,1,22,172 }, "ups.L3.power", "%.0f", M_POWER },
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{ { 1,144,2,1,21,169 }, "ups.L1.realpower", "%.0f", M_POWER },
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{ { 1,145,2,1,21,170 }, "ups.L2.realpower", "%.0f", M_POWER },
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{ { 1,146,2,1,21,171 }, "ups.L3.realpower", "%.0f", M_POWER },
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{ { 1,144,2,1,3,151 }, "output.L1-N.voltage", "%.1f", M_VOLTAGE_O },
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{ { 1,145,2,1,3,152 }, "output.L2-N.voltage", "%.1f", M_VOLTAGE_O },
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{ { 1,146,2,1,3,153 }, "output.L3-N.voltage", "%.1f", M_VOLTAGE_O },
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{ { 1,144,2,1,14,162 }, "output.L1.crestfactor", "%.1f", M_0_1 },
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{ { 1,145,2,1,14,163 }, "output.L2.crestfactor", "%.1f", M_0_1 },
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{ { 1,146,2,1,14,164 }, "output.L3.crestfactor", "%.1f", M_0_1 },
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{ { 0 }, NULL, NULL, 0 }
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};
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static cmd_s vartab3i[] = { /*3-phase in */
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{ { 1,144,2,1,1,149 }, "input.L1-N.voltage", "%.1f", M_VOLTAGE_I },
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{ { 1,145,2,1,1,150 }, "input.L2-N.voltage", "%.1f", M_VOLTAGE_I },
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{ { 1,146,2,1,1,151 }, "input.L3-N.voltage", "%.1f", M_VOLTAGE_I },
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{ { 1,144,2,1,5,153 }, "input.L1-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
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{ { 1,145,2,1,5,154 }, "input.L2-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
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{ { 1,146,2,1,5,155 }, "input.L3-N.bypass.voltage", "%.1f", M_VOLTAGE_B },
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{ { 1,144,2,1,6,154 }, "input.L1-N.bypass.current", "%.1f", M_CURRENT_B },
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{ { 1,145,2,1,6,155 }, "input.L2-N.bypass.current", "%.1f", M_CURRENT_B },
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{ { 1,146,2,1,6,156 }, "input.L3-N.bypass.current", "%.1f", M_CURRENT_B },
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{ { 1,144,2,1,2,150 }, "input.L1.current", "%.1f", M_CURRENT_I },
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{ { 1,145,2,1,2,151 }, "input.L2.current", "%.1f", M_CURRENT_I },
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{ { 1,146,2,1,2,152 }, "input.L3.current", "%.1f", M_CURRENT_I },
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{ { 0 }, NULL, NULL, 0 }
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};
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static cmd_s * cmdin_p;
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static cmd_s * cmdout_p;
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const char *val;
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char reply[8];
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int ret, i;
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for (i = 0; vartab[i].var; i++) {
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int16_t val;
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ret = do_command(vartab[i].cmd, reply, 6);
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if (ret < 8) {
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continue;
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}
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val = (unsigned char)reply[5];
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val <<= 8;
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val += (unsigned char)reply[6];
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dstate_setinfo(vartab[i].var, vartab[i].fmt, val * multi[vartab[i].multindex]);
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}
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if (num_inphases>1){
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cmdin_p=vartab3i;
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}
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else {
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cmdin_p=vartab1i;
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}
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if (num_outphases>1){
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cmdout_p=vartab3o;
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}
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else {
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cmdout_p=vartab1o;
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}
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for (i = 0; cmdin_p[i].var; i++) {
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int16_t val;
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ret = do_command(cmdin_p[i].cmd, reply, 6);
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if (ret < 8) {
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continue;
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}
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val = (unsigned char)reply[5];
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val <<= 8;
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val += (unsigned char)reply[6];
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dstate_setinfo(cmdin_p[i].var, cmdin_p[i].fmt, val * multi[cmdin_p[i].multindex]);
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}
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for (i = 0; cmdout_p[i].var; i++) {
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int16_t val;
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ret = do_command(cmdout_p[i].cmd, reply, 6);
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if (ret < 8) {
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continue;
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}
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val = (unsigned char)reply[5];
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val <<= 8;
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val += (unsigned char)reply[6];
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dstate_setinfo(cmdout_p[i].var, cmdout_p[i].fmt, val * multi[cmdout_p[i].multindex]);
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}
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status_init();
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ret = do_command(cmd_bitfield1, reply, 6);
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if (ret < 8) {
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|
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);
|
|
}
|