c205299c02
The set_latency function is the perfect example of a feature that should be implemented as an ioctl: it's only implemented by a single driver, and the functionality is also highly platform specific.
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2016 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef DC_IOSTREAM_PRIVATE_H
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#define DC_IOSTREAM_PRIVATE_H
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#include <libdivecomputer/common.h>
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#include <libdivecomputer/context.h>
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#include <libdivecomputer/iostream.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct dc_iostream_vtable_t dc_iostream_vtable_t;
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struct dc_iostream_t {
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const dc_iostream_vtable_t *vtable;
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dc_context_t *context;
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dc_transport_t transport;
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};
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struct dc_iostream_vtable_t {
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size_t size;
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dc_status_t (*set_timeout) (dc_iostream_t *iostream, int timeout);
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dc_status_t (*set_break) (dc_iostream_t *iostream, unsigned int value);
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dc_status_t (*set_dtr) (dc_iostream_t *iostream, unsigned int value);
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dc_status_t (*set_rts) (dc_iostream_t *iostream, unsigned int value);
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dc_status_t (*get_lines) (dc_iostream_t *iostream, unsigned int *value);
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dc_status_t (*get_available) (dc_iostream_t *iostream, size_t *value);
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dc_status_t (*configure) (dc_iostream_t *iostream, unsigned int baudrate, unsigned int databits, dc_parity_t parity, dc_stopbits_t stopbits, dc_flowcontrol_t flowcontrol);
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dc_status_t (*poll) (dc_iostream_t *iostream, int timeout);
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dc_status_t (*read) (dc_iostream_t *iostream, void *data, size_t size, size_t *actual);
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dc_status_t (*write) (dc_iostream_t *iostream, const void *data, size_t size, size_t *actual);
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dc_status_t (*ioctl) (dc_iostream_t *iostream, unsigned int request, void *data, size_t size);
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dc_status_t (*flush) (dc_iostream_t *iostream);
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dc_status_t (*purge) (dc_iostream_t *iostream, dc_direction_t direction);
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dc_status_t (*sleep) (dc_iostream_t *iostream, unsigned int milliseconds);
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dc_status_t (*close) (dc_iostream_t *iostream);
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};
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dc_iostream_t *
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dc_iostream_allocate (dc_context_t *context, const dc_iostream_vtable_t *vtable, dc_transport_t transport);
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void
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dc_iostream_deallocate (dc_iostream_t *iostream);
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int
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dc_iostream_isinstance (dc_iostream_t *iostream, const dc_iostream_vtable_t *vtable);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* DC_IOSTREAM_PRIVATE_H */
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