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/* everups.c - support for Ever UPS models
Copyright (C) 2001 Bartek Szady <bszx@bszxdomain.edu.eu.org>
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"
#define DRIVER_NAME "Ever UPS driver"
#define DRIVER_VERSION "0.03"
/* driver description structure */
upsdrv_info_t upsdrv_info = {
DRIVER_NAME,
DRIVER_VERSION,
"Bartek Szady <bszx@bszxdomain.edu.eu.org>",
DRV_STABLE,
{ NULL }
};
static unsigned char upstype = 0;
static void init_serial(void)
{
ser_set_dtr(upsfd, 0);
ser_set_rts(upsfd, 0);
}
static int Code(int tries)
{
unsigned char cRecv;
do {
ser_send_char(upsfd, 208);
ser_get_char(upsfd, &cRecv, 3, 0);
if (cRecv==208)
return 1;
} while (--tries>0);
return 0;
}
static int InitUpsType(void)
{
if (Code(1)) {
ser_send_char(upsfd, 173);
ser_get_char(upsfd, &upstype, 3, 0);
return 1;
} else
return 0;
}
static const char *GetTypeUpsName(void)
{
switch(upstype)
{
case 67: return "NET 500-DPC";
case 68: return "NET 700-DPC";
case 69: return "NET 1000-DPC";
case 70: return "NET 1400-DPC";
case 71: return "NET 2200-DPC";
case 73: return "NET 700-DPC (new)";
case 74: return "NET 1000-DPC (new)";
case 75: return "NET 1400-DPC (new)";
case 76: return "NET 500-DPC (new)";
case 81: return "AP 450-PRO";
case 82: return "AP 650-PRO";
default:
return "Unknown";
}
}
void upsdrv_initinfo(void)
{
dstate_setinfo("ups.mfr", "Ever");
dstate_setinfo("ups.model", "%s", GetTypeUpsName());
}
void upsdrv_updateinfo(void)
{
int battery=0,standby=0;
unsigned char recBuf[2];
unsigned long acuV;
unsigned long lineV;
double fVal;
if (!Code(2)) {
upslog_with_errno(LOG_INFO, "Code failed");
dstate_datastale();
return;
}
/*Line status*/
ser_send_char(upsfd, 175);
ser_get_char(upsfd, recBuf, 3, 0);
if ((recBuf[0] & 1) !=0)
standby=1;
else
battery=(recBuf[0] &4) !=0;
if (Code(1)) { /*Accumulator voltage value*/
ser_send_char(upsfd, 189);
ser_get_char(upsfd, recBuf, 3, 0);
acuV=((unsigned long)recBuf[0])*150;
acuV/=255;
} else {
upslog_with_errno(LOG_INFO, "Code failed");
dstate_datastale();
return;
}
if (Code(1)) { /*Line voltage*/
ser_send_char(upsfd, 245);
ser_get_buf_len(upsfd, recBuf, 2, 3, 0);
if ( upstype > 72 && upstype < 77)
lineV=(recBuf[0]*100+recBuf[1]*25600)/352;
else
lineV=(recBuf[0]*100+recBuf[1]*25600)/372;
} else {
upslog_with_errno(LOG_INFO, "Code failed");
dstate_datastale();
return;
}
status_init();
if (battery && acuV<105)
status_set("LB"); /* low battery */
if (battery)
status_set("OB"); /* on battery */
else
status_set("OL"); /* on line */
status_commit();
dstate_setinfo("input.voltage", "%03ld", lineV);
dstate_setinfo("battery.voltage", "%03.2f", (double)acuV /10.0);
fVal=((double)acuV-95.0)*100.0;
if (standby)
fVal/=(135.5-95.0);
else
fVal/=(124.5-95.0);
if (fVal>100)
fVal=100;
else if (fVal<0)
fVal=0;
dstate_setinfo("battery.charge", "%03.1f", fVal);
dstate_dataok();
}
void upsdrv_shutdown(void)
{
if (!Code(2)) {
upslog_with_errno(LOG_INFO, "Code failed");
return;
}
ser_send_char(upsfd, 28);
ser_send_char(upsfd, 1); /* 1.28 sec */
if (!Code(1)) {
upslog_with_errno(LOG_INFO, "Code failed");
return;
}
ser_send_char(upsfd, 13);
ser_send_char(upsfd, 8);
}
void upsdrv_help(void)
{
}
/* list flags and values that you want to receive via -x */
void upsdrv_makevartable(void)
{
}
void upsdrv_initups(void)
{
upsfd = ser_open(device_path);
ser_set_speed(upsfd, device_path, B300);
init_serial();
InitUpsType();
}
void upsdrv_cleanup(void)
{
ser_close(upsfd, device_path);
}
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