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/*
* Higher level bjnp IO communication implementation for
* bjnp backend for the Common UNIX Printing System (CUPS).
* Copyright 2008-2014 by Louis Lagendijk
*
* 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; version 2 or later.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef BJNP_IO_H
#define BJNP_IO_H
/* IEEE1284 related definitons */
#define INK_LEVEL_TOKEN "CIR:"
#define INK_WARNING_TOKEN "CTK:"
#define PRINTER_STATUS_TOKEN "BST:"
#define PAPER_STATUS_TOKEN "DJS:"
#define PARAMETER_SEPARATOR ';'
#define INK_LEVEL_DELIMITER ","
#define INK_WARNING_DELIMITER ",/,"
#define PAPER_PARAM_DELIMETER ","
#define DJS_PAPER_OUT "ID"
#define DJS_CANCELLING "CC"
#define BJNP_PAPER_OUT_THRESHOLD 5
#define BST_PRINTING 0x80
#define BST_BUSY 0x20
#define BST_ERROR 0x08
/* printer status capabilities */
#define BJNP_REPORT_MARKER_LEVELS 1
#define BJNP_REPORT_INK_STATUS 2
#define BJNP_REPORT_PRINTER_STATUS 4
#define BJNP_REPORT_PAPER_STATUS 8
#define BJNP_REPORT_ALL (BJNP_REPORT_MARKER_LEVELS | BJNP_REPORT_INK_STATUS | BJNP_REPORT_PRINTER_STATUS | BJNP_REPORT_PAPER_STATUS)
#define BJNP_CARTRIDGES_MAX 16
/*
* Ink level warning levels
*/
/* TODO: Convert to enum */
typedef enum bjnp_ink_level_t {
LEVEL_OK = 0,
LEVEL_LOW = 1,
LEVEL_EMPTY = 2,
LEVEL_UNKNOWN = 3
} bjnp_ink_level_t;
struct printer_s {
int fd; /* tcp socket for the printer */
http_addr_t printer_sa; /* address struct for printer */
/* printer information for side channel */
char IEEE1284_id[BJNP_IEEE1284_MAX];
char model[BJNP_MODEL_MAX];
/* Protocol information */
int serial; /* last used serial number for command */
uint16_t session_id; /* session-id for this printjob */
uint16_t seq_no; /* Last command */
ssize_t io_count; /* last sent TCP data count */
bjnp_command_t print_buf; /* print buffer */
char io_free; /* is printbuffer free to be used? */
/*
* Printer reporting capabilities
*/
int reporting_capabilities;
/*
* Warning levels per cartridge
*/
int no_cartridges; /* number of warning levels (ink cartridges) found */
struct {
int cart_index; /* type of cartridge as index in cartridge_types */
int warning; /* warning level */
int marker_level;
} cartridges[BJNP_CARTRIDGES_MAX];
/*
* warnings set
*/
int global_ink_warning_level;
int paper_out; /* number of consecutive times paper out is reported */
int first_output; /* at first output we report additional info */
time_t last_level_report; /* last time we reported the levels */
} printer_s;
#endif
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