39bc2fe05c
Separate the usage enums and remove the unneeded values from each. Signed-off-by: Michael Keller <github@ike.ch>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
#include <string.h>
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#define MAXGASES 16
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#define MAXSTRINGS 32
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// dc_get_field() data
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typedef struct dc_field_cache {
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unsigned int initialized;
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// DC_GET_FIELD_xyz
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unsigned int DIVETIME;
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double MAXDEPTH;
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double AVGDEPTH;
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double ATMOSPHERIC;
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dc_divemode_t DIVEMODE;
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unsigned int GASMIX_COUNT;
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dc_salinity_t SALINITY;
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dc_gasmix_t GASMIX[MAXGASES];
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// misc - clean me up!
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double lowsetpoint;
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double highsetpoint;
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double customsetpoint;
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// This (along with GASMIX) should be something like
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// dc_tank_t TANK[MAXGASES]
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// but that's for later
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dc_tankinfo_t tankinfo[MAXGASES];
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dc_tank_usage_t tankusage[MAXGASES];
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double tanksize[MAXGASES];
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double tankworkingpressure[MAXGASES];
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// DC_GET_FIELD_STRING
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dc_field_string_t strings[MAXSTRINGS];
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} dc_field_cache_t;
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dc_status_t dc_field_add_string(dc_field_cache_t *, const char *desc, const char *data);
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dc_status_t dc_field_add_string_fmt(dc_field_cache_t *, const char *desc, const char *fmt, ...);
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dc_status_t dc_field_get_string(dc_field_cache_t *, unsigned idx, dc_field_string_t *value);
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dc_status_t dc_field_get(dc_field_cache_t *, dc_field_type_t, unsigned int, void *);
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/*
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* Macro to make it easy to set DC_FIELD_xyz values.
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*
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* This explains why dc_field_cache member names are
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* those odd all-capitalized names: they match the
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* names of the DC_FIELD_xyz enums.
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*/
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#define DC_ASSIGN_FIELD(cache, name, value) do { \
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(cache).initialized |= 1u << DC_FIELD_##name; \
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(cache).name = (value); \
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} while (0)
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#define DC_ASSIGN_IDX(cache, name, idx, value) do { \
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(cache).initialized |= 1u << DC_FIELD_##name; \
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(cache).name[idx] = (value); \
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} while (0)
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// Ugly define thing makes the code much easier to read
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// I'd love to use __typeof__, but that's a gcc'ism
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#define DC_FIELD_VALUE(cache, p, NAME) \
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(memcpy((p), &(cache).NAME, sizeof((cache).NAME)), DC_STATUS_SUCCESS)
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#define DC_FIELD_INDEX(cache, p, NAME, idx) \
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(memcpy((p), (cache).NAME+idx, sizeof((cache).NAME[0])), DC_STATUS_SUCCESS)
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