111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
/* generic_modbus.h - Driver for generic UPS connected via modbus RIO
|
|
*
|
|
* Copyright (C)
|
|
* 2021 Dimitris Economou <dimitris.s.economou@gmail.com>
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
|
|
#ifndef NUT_GENERIC_MODBUS_H
|
|
#define NUT_GENERIC_MODBUS_H
|
|
|
|
/* UPS device details */
|
|
#define DEVICE_MFR "UNKNOWN"
|
|
#define DEVICE_MODEL "unknown"
|
|
|
|
/* serial access parameters */
|
|
#define BAUD_RATE 9600
|
|
#define PARITY 'N'
|
|
#define DATA_BIT 8
|
|
#define STOP_BIT 1
|
|
|
|
/*
|
|
* modbus response and byte timeouts
|
|
* us: 1 - 999999
|
|
*/
|
|
#define MODRESP_TIMEOUT_s 0
|
|
#define MODRESP_TIMEOUT_us 200000
|
|
#define MODBYTE_TIMEOUT_s 0
|
|
#define MODBYTE_TIMEOUT_us 50000
|
|
|
|
|
|
/* modbus access parameters */
|
|
#define MODBUS_SLAVE_ID 5
|
|
|
|
/* shutdown repeat on error */
|
|
#define FSD_REPEAT_CNT 3
|
|
|
|
/* shutdown repeat interval in ms */
|
|
#define FSD_REPEAT_INTRV 1500
|
|
|
|
/* definition of register type */
|
|
enum regtype {
|
|
COIL = 0,
|
|
INPUT_B,
|
|
INPUT_R,
|
|
HOLDING
|
|
};
|
|
typedef enum regtype regtype_t;
|
|
|
|
/* UPS device state enum */
|
|
enum devstate {
|
|
OL_T = 0,
|
|
OB_T,
|
|
LB_T,
|
|
HB_T,
|
|
RB_T,
|
|
CHRG_T,
|
|
DISCHRG_T,
|
|
BYPASS_T,
|
|
CAL_T,
|
|
OFF_T,
|
|
OVER_T,
|
|
TRIM_T,
|
|
BOOST_T,
|
|
FSD_T
|
|
};
|
|
typedef enum devstate devstate_t;
|
|
|
|
/* UPS state signal attributes */
|
|
struct sigattr {
|
|
int addr; /* register address */
|
|
regtype_t type; /* register type */
|
|
int noro; /* 1: normally open contact 0: normally closed contact. */
|
|
/* noro is used to indicate the logical ON or OFF in regard
|
|
of the contact state. if noro is set to 1 then ON corresponds
|
|
to an open contact */
|
|
};
|
|
typedef struct sigattr sigattr_t;
|
|
|
|
#define NUMOF_SIG_STATES 14
|
|
#define NOTUSED -1
|
|
|
|
/* define the duration of the shutdown pulse */
|
|
#define SHTDOWN_PULSE_DURATION NOTUSED
|
|
|
|
/*
|
|
* associate PULS signals to NUT device states
|
|
*
|
|
* Ready contact <--> 1:HB, 0:CHRG
|
|
* Buffering contact <--> 1:OB, 0:OL
|
|
* Battery-low <--> 1:LB
|
|
* Replace Battery <--> 1:RB
|
|
* Inhibit buffering <--> 1:FSD
|
|
*/
|
|
|
|
|
|
#endif /* NUT_GENERIC_MODBUS_H */
|