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Instead of using fixed size arrays, use a new cylinder_table structure. The code copies the weightsystem code, but is significantly more complex because cylinders are such an integral part of the core. Two functions to access the cylinders were added: get_cylinder() and get_or_create_cylinder() The former does a simple array access and supposes that the cylinder exists. The latter is used by the parser(s) and if a cylinder with the given id does not exist, cylinders up to that id are generated. One point will make C programmers cringe: the cylinder structure is passed by value. This is due to the way the table-macros work. A refactoring of the table macros is planned. It has to be noted that the size of a cylinder_t is 64 bytes, i.e. 8 long words on a 64-bit architecture, so passing on the stack is probably not even significantly slower than passing as reference. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef DISPLAY_H
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#define DISPLAY_H
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#include "libdivecomputer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Plot info with smoothing, velocity indication
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* and one-, two- and three-minute minimums and maximums */
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struct plot_info {
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int nr;
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int nr_cylinders;
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int maxtime;
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int meandepth, maxdepth;
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int minpressure, maxpressure;
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int minhr, maxhr;
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int mintemp, maxtemp;
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enum {AIR, NITROX, TRIMIX, FREEDIVING} dive_type;
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double endtempcoord;
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double maxpp;
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struct plot_data *entry;
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struct plot_pressure_data *pressures; /* cylinders.nr blocks of nr entries. */
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};
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extern struct divecomputer *select_dc(struct dive *);
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extern unsigned int dc_number;
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extern unsigned int amount_selected;
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extern int is_default_dive_computer_device(const char *);
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extern int is_default_dive_computer(const char *, const char *);
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typedef void (*device_callback_t)(const char *name, void *userdata);
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int enumerate_devices(device_callback_t callback, void *userdata, unsigned int transport);
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#define AMB_PERCENTAGE 50.0
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#ifdef __cplusplus
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}
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#endif
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#endif // DISPLAY_H
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