cfg_store.c File Reference

A/B image selection, CRC (see cfg_store.h). More...

#include "cfg_store.h"
#include <string.h>
#include <stddef.h>

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Data Structures
struct	cal_set_v1_t
struct	cfg_image_v1_t

Macros
#define	V1_PARAMS   24 /* P_TAKEOFF_ALT .. P_COMPASS_PRIMARY */

Functions
uint32_t	cfg_crc32 (const void *data, uint32_t len)
static int	valid_version (const void *page)
static int	valid (const cfg_image_t *im)
static int	latest_page (void)
static void	cal_from_v1 (cal_set_t *d, const cal_set_v1_t *s)
void	cfg_params_put (cfg_image_t *img, const float v[PARAM_COUNT])
	parameters <-> slots (unknown ids ignored, missing ids -> default)
void	cfg_params_get (const cfg_image_t *img, float v[PARAM_COUNT])
int	cfg_load (cfg_image_t *out)
	latest valid image (version 1 converted); returns 0 if found, -1 if none (out left untouched)
int	cfg_save (cfg_image_t *img)
	writes img (seq and crc filled here) to the other page; 0 = ok

Detailed Description

A/B image selection, CRC (see cfg_store.h).

Definition in file cfg_store.c.

Macro Definition Documentation

V1_PARAMS

#define V1_PARAMS   24 /* P_TAKEOFF_ALT .. P_COMPASS_PRIMARY */

Definition at line 21 of file cfg_store.c.

Function Documentation

cfg_crc32()

uint32_t cfg_crc32	(	const void *	data,
		uint32_t	len
	)

Definition at line 9 of file cfg_store.c.

Referenced by cfg_save(), and valid_version().

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valid_version()

static int valid_version ( const void *  page )

static

Definition at line 43 of file cfg_store.c.

References cfg_crc32(), CFG_MAGIC, CFG_VERSION, cfg_image_v1_t::crc, cfg_image_t::crc, cfg_image_t::magic, cfg_image_v1_t::size, cfg_image_t::size, cfg_image_v1_t::version, and cfg_image_t::version.

Referenced by cfg_load(), latest_page(), and valid().

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valid()

static int valid ( const cfg_image_t *  im )

static

Definition at line 54 of file cfg_store.c.

References CFG_VERSION, and valid_version().

Referenced by cfg_save().

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latest_page()

static int latest_page ( void  )

static

Definition at line 56 of file cfg_store.c.

References cfg_flash_page(), CFG_PAGES, cfg_image_t::seq, seq, and valid_version().

Referenced by cfg_load(), and cfg_save().

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cal_from_v1()

static void cal_from_v1 ( cal_set_t *  d, const cal_set_v1_t *  s  )

static

Definition at line 68 of file cfg_store.c.

References cal_set_t::accel, cal_set_defaults(), cal_set_t::compass, cal_set_t::done_mask, cal_set_t::gyro, batt_state_t::level, cal_set_t::level, cal_set_t::motors, and s.

Referenced by cfg_load().

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cfg_params_put()

void cfg_params_put	(	cfg_image_t *	img,
		const float	v[PARAM_COUNT]
	)

parameters <-> slots (unknown ids ignored, missing ids -> default)

Definition at line 76 of file cfg_store.c.

References CFG_PARAM_SLOTS, g_param_def, cfg_param_t::id, param_def_t::id, PARAM_COUNT, cfg_image_t::params, and cfg_param_t::value.

Referenced by cfg_load(), and save_image().

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cfg_params_get()

void cfg_params_get	(	const cfg_image_t *	img,
		float	v[PARAM_COUNT]
	)

Definition at line 85 of file cfg_store.c.

References CFG_PARAM_SLOTS, g_param_def, cfg_param_t::id, PARAM_COUNT, cfg_image_t::params, params_index(), and cfg_param_t::value.

Referenced by app_task_boot().

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cfg_load()

int cfg_load

(

cfg_image_t *

out

)

latest valid image (version 1 converted); returns 0 if found, -1 if none (out left untouched)

Definition at line 95 of file cfg_store.c.

References cfg_image_v1_t::bak, cfg_image_t::bak, cfg_image_v1_t::bak_mask, cfg_image_t::bak_mask, cfg_image_t::batt_used_scale_i, cfg_image_v1_t::cal, cfg_image_t::cal, cal_from_v1(), cfg_flash_page(), CFG_MAGIC, cfg_params_put(), CFG_VERSION, param_def_t::def, g_param_def, latest_page(), cfg_image_t::magic, cfg_image_v1_t::name, cfg_image_t::name, PARAM_COUNT, cfg_image_v1_t::params, pg(), cfg_image_v1_t::seq, cfg_image_t::seq, cfg_image_t::size, V1_PARAMS, valid_version(), and cfg_image_t::version.

Referenced by app_task_boot().

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cfg_save()

int cfg_save

(

cfg_image_t *

img

)

writes img (seq and crc filled here) to the other page; 0 = ok

Definition at line 117 of file cfg_store.c.

References cfg_crc32(), cfg_flash_page(), cfg_flash_write(), CFG_MAGIC, CFG_PAGES, CFG_VERSION, cfg_image_t::crc, latest_page(), cfg_image_t::magic, cfg_image_t::seq, seq, cfg_image_t::size, valid(), and cfg_image_t::version.

Referenced by save_image(), and save_image_keep_params().

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