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/********************************************************************
File: ups.h
Purpose: Read UPS status.
Copyright 1996, Bob Hauck
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., 675 Mass Ave, Cambridge, MA 02139,
USA.
Language: GCC 2.7.0
Author: Bob Hauck
$Log: ups.h,v $
Revision 1.1 1996/11/23 16:45:12 bobh
Initial revision
**********************************************************************/
/* UPS States
*/
#define S_NOCHANGE -1 /* don't know */
#define S_OK 0
#define S_ONBAT 1
#define S_LOBAT 2
#define S_ERROR 3
/* Status strings for logging.
*/
extern char *StatusString [];
/*-------------------------------------------------------------------*
UPS_Open
Open the UPS monitor device (serial port).
Parameters: DevName - Name of the device to open.
Returns: File descriptor that was opened.
*-------------------------------------------------------------------*/
int UPS_Open (char *DevName);
/*-------------------------------------------------------------------*
UPS_Setup
Set up the port for monitoring. Optionally kill the UPS
power (only works if the UPS is on battery).
Parameters: fd - File descriptor of monitor device.
kill - TRUE to shut down UPS power.
Returns: Nothing.
*-------------------------------------------------------------------*/
void UPS_Setup (int fd, int kill);
/*-------------------------------------------------------------------*
UPS_Check
Check the status of the UPS (Ok, On Battery, or Low Battery).
Parameters: fd - File descriptor of monitor device.
Returns: S_* status code.
*-------------------------------------------------------------------*/
int UPS_Check (int fd);
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