104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
/* ****************************************************************************
|
|
* link/link.h -- internal header for link management.
|
|
* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
|
|
*
|
|
* This file is part of libcasio.
|
|
* libcasio is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 3.0 of the License,
|
|
* or (at your option) any later version.
|
|
*
|
|
* libcasio 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
|
|
* ************************************************************************* */
|
|
#ifndef LOCAL_LINK_H
|
|
# define LOCAL_LINK_H 1
|
|
# include "../internals.h"
|
|
|
|
/* Internals macros. */
|
|
# define response (handle->casio_link_response)
|
|
# define command_is_supported(CASIO__N) \
|
|
casio_seven_command_is_supported(&handle->casio_link_env, CASIO__N)
|
|
/* ************************************************************************* */
|
|
/* Link structure */
|
|
/* ************************************************************************* */
|
|
/* Link handle internal flags. */
|
|
# define casio_linkflag_sendalt 0x0001 /* use alternative buffer */
|
|
# define casio_linkflag_alloc 0x0002 /* was allocated */
|
|
# define casio_linkflag_active 0x0004 /* active status */
|
|
# define casio_linkflag_shifted 0x0008 /* shift status */
|
|
# define casio_linkflag_init 0x0010 /* is initialized */
|
|
# define casio_linkflag_term 0x0020 /* is terminated */
|
|
# define casio_linkflag_check 0x0040 /* make the initial check */
|
|
# define casio_linkflag_disc 0x0080 /* make the dev. discovery */
|
|
# define casio_linkflag_ended 0x0100 /* the communication has ended. */
|
|
|
|
/* Link handle structure. */
|
|
struct casio_link_s {
|
|
/* flags - see above */
|
|
unsigned long casio_link_flags;
|
|
|
|
/* stream settings */
|
|
casio_stream_t *casio_link_stream;
|
|
|
|
/* lock */
|
|
casio_mutex_t casio_link_lock;
|
|
|
|
/* protocol 7.00-related core things */
|
|
casio_seven_env_t casio_link_env; /* see `protocol/seven/devices.c` */
|
|
casio_seven_packet_t casio_link_response;
|
|
casio_link_info_t casio_link_info;
|
|
casio_seven_type_t casio_link_last_type;
|
|
casio_seven_type_t casio_link_curr_type;
|
|
unsigned int casio_link_last_command;
|
|
|
|
/* MCS head */
|
|
casio_mcshead_t casio_link_mcshead;
|
|
|
|
/* Protocol 7.00 server callbacks. */
|
|
casio_seven_server_func_t *casio_link_seven_callbacks[256];
|
|
|
|
/* Raw sending packet buffers. */
|
|
size_t casio_link_send_buffers_size[2];
|
|
unsigned char casio_link_send_buffers[2][MAX_PACKET_SIZE];
|
|
|
|
/* Raw receiving packet buffers. */
|
|
unsigned char casio_link_recv_buffer[MAX_PACKET_SIZE];
|
|
};
|
|
|
|
/* Decode the data field of specific packets. */
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_decode_data
|
|
OF((casio_link_t *casio__handle,
|
|
const unsigned char *casio__raw, unsigned int casio__raw_size));
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_decode_command
|
|
OF((casio_link_t *casio__handle,
|
|
const unsigned char *casio__raw, unsigned int casio__raw_size));
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_decode_ack
|
|
OF((casio_link_t *casio__handle,
|
|
const unsigned char *casio__raw, unsigned int casio__raw_size));
|
|
|
|
/* Special send functions. */
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_send_again
|
|
OF((casio_link_t *casio__handle));
|
|
|
|
/* Special packet functions. */
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_send_err_resend
|
|
OF((casio_link_t *casio__handle));
|
|
CASIO_EXTERN int CASIO_EXPORT casio_seven_send_timeout_check
|
|
OF((casio_link_t *casio__handle));
|
|
|
|
/* Encode and decode raw data. */
|
|
CASIO_EXTERN unsigned int CASIO_EXPORT casio_seven_decoderaw
|
|
OF((void *casio__dest, const void *casio__encoded,
|
|
unsigned int casio__size));
|
|
CASIO_EXTERN unsigned int CASIO_EXPORT casio_seven_encoderaw
|
|
OF((void *casio__dest, const void *casio__raw,
|
|
unsigned int casio__size));
|
|
|
|
#endif
|