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cmake: param refactoring

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Use a struct to contain all the parameters so the ordering in
memory is not machine dependent.

Add number of parameters to the param struct. The struct actually
allows direct accessing by the member name if desired.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
This commit is contained in:
Mark Charlebois
2015-09-11 12:41:00 -07:00
parent ad321927e9
commit fc3acdb2c1
4 changed files with 62 additions and 30 deletions
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src/modules/systemlib/param/param.c
+3 -5
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@@ -63,6 +63,7 @@
#include "uORB/uORB.h"
#include "uORB/topics/parameter_update.h"
#include "px4_parameters.h"
#if 0
# define debug(fmt, args...) do { warnx(fmt, ##args); } while(0)
@@ -86,14 +87,11 @@ extern struct param_info_s param_array[];
extern struct param_info_s *param_info_base;
extern struct param_info_s *param_info_limit;
#else
extern const struct param_info_s __param_start, __param_end;
// FIXME - start and end are reversed
static const struct param_info_s *param_info_base = &__param_end;
static const struct param_info_s *param_info_limit = &__param_start;
static const struct param_info_s *param_info_base = (const struct param_info_s *)&px4_parameters;
#endif
#define param_info_count ((unsigned)(param_info_limit - param_info_base))
#define param_info_count px4_parameters.param_count
/**
* Storage for modified parameters.