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[arch/linux] implement persistent settings

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This commit is contained in:
Felix Ruess
2015-02-14 18:29:02 +01:00
parent 8b1742fde8
commit 429ae81574
1 changed files with 22 additions and 6 deletions
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sw/airborne/arch/linux/subsystems/settings_arch.c
+22 -6
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2009-2013 The Paparazzi Team
* Copyright (C) 2009-2015 The Paparazzi Team
*
* This file is part of paparazzi.
*
@@ -23,21 +23,37 @@
* @file arch/linux/subsystems/settings_arch.c
* linux arch Persistent settings.
*
* Unimplemented.
* Saves the PersistentSettings struct to a binary file.
*/
#include "subsystems/settings.h"
#include <stdio.h>
/** Default file used to store persistent settings */
#ifndef PERSISTENT_SETTINGS_FILE
#define PERSISTENT_SETTINGS_FILE "pprz_persistent_settings.binary"
#endif
int32_t persistent_write(uint32_t ptr, uint32_t size)
{
ptr = ptr;
size = size;
FILE *file= fopen(PERSISTENT_SETTINGS_FILE, "wb");
if (file != NULL) {
fwrite(ptr, size, 1, file);
fclose(file);
return 0;
}
printf("Could not open settings file %s to write!\n", PERSISTENT_SETTINGS_FILE);
return -1;
}
int32_t persistent_read(uint32_t ptr, uint32_t size)
{
ptr = ptr;
size = size;
FILE *file= fopen(PERSISTENT_SETTINGS_FILE, "rb");
if (file != NULL) {
fread(ptr, size, 1, file);
fclose(file);
return 0;
}
printf("Could not open settings file %s to read!\n", PERSISTENT_SETTINGS_FILE);
return -1;
}