osd-contiki/examples/osd/ota-update/res_bootloader.c
Ralf Schlatterbeck 0c3a9c6b5a Fix OTA update
Image 0 did not work. We now get rid of bootloader_backup_irq_table and
do this manually: We may not write to address 0 while an image is
running. So for image 0 we write the lower 8 pages to the backup
address. For all other images (ony image 1 currently) we write to
*both*, the original address *and* the backup address. This is done
because some addresses in the lower 8 pages *are* used at the original
address and the bootloader doesn't (want to) know which addresses are
which.
There are more safeguards now: We refuse to write to the active or
boot_next image (if boot_next is not boot_default). We mark the uploaded
partition as not ok.
Needs latest bootloader with commit ID a5771ae033b57.
2017-08-27 15:00:04 +02:00

261 lines
5.8 KiB
C

/*
* Copyright (c) 2015, Ralf Schlatterbeck Open Source Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Bootloader ressources
* \author
* Ralf Schlatterbeck <rsc@runtux.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "contiki.h"
#include "contiki-net.h"
#include "rest-engine.h"
#include "er-coap-engine.h"
#include "uiplib.h"
#include "generic_resource.h"
#include "bootloader_if.h"
#include "Arduino.h"
/*
* Resources to be activated need to be imported through the extern keyword.
* The build system automatically compiles the resources in the
* corresponding sub-directory.
*/
static size_t
part_count
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
return snprintf (buf, bsize, "%ld", bootloader_get_part_count ());
}
GENERIC_RESOURCE
( part_count
, Partition Count
, count
, 0
, NULL
, part_count
);
static size_t
part_size
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
return snprintf (buf, bsize, "%ld", bootloader_get_part_size ());
}
GENERIC_RESOURCE
( part_size
, Partition Size
, count
, 0
, NULL
, part_size
);
static size_t
get_boot_default
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
return snprintf (buf, bsize, "%ld", bootloader_get_boot_default ());
}
static int
set_boot_default
(const char *name, const char *uri, const char *query, const char *s)
{
uint32_t tmp = strtoul (s, NULL, 10);
bootloader_set_boot_default (tmp);
return 0;
}
GENERIC_RESOURCE
( boot_default
, Default boot partition
, count
, 0
, set_boot_default
, get_boot_default
);
static size_t
get_boot_next
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
return snprintf (buf, bsize, "%ld", bootloader_get_boot_next ());
}
static int
set_boot_next
(const char *name, const char *uri, const char *query, const char *s)
{
uint32_t tmp = strtoul (s, NULL, 10);
bootloader_set_boot_next (tmp);
return 0;
}
GENERIC_RESOURCE
( boot_next
, Next boot partition
, count
, 0
, set_boot_next
, get_boot_next
);
static size_t
get_active_part
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
return snprintf (buf, bsize, "%ld", bootloader_get_active_part ());
}
GENERIC_RESOURCE
( active_part
, Currently active partition
, count
, 0
, NULL
, get_active_part
);
/*
* Parse query info. We insist that the query starts with 'part='
* Then we parse the integer following the part= string and return the
* number. The number is always positive, if something goes wrong we
* return a negative number.
*/
static int get_query_partition (const char *query)
{
if (strncmp (query, "part=", 5)) {
return -1;
}
return strtoul (query + 5, NULL, 10);
}
static size_t
get_part_start
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
int idx = get_query_partition (query);
if (idx < 0) {
return snprintf (buf, bsize, "Invalid: \"%s\" use part=N query", query);
}
return snprintf (buf, bsize, "%ld", bootloader_get_part_start (idx));
}
GENERIC_RESOURCE
( part_start
, Start of partition
, count
, 0
, NULL
, get_part_start
);
static int
set_part_ok
(const char *name, const char *uri, const char *query, const char *s)
{
uint32_t tmp = strtoul (s, NULL, 10);
int idx = get_query_partition (query);
if (idx < 0) {
return -1;
}
if (tmp) {
bootloader_set_part_ok (idx);
} else {
bootloader_clr_part_ok (idx);
}
return 0;
}
static size_t
get_part_ok
( const char *name
, const char *uri
, const char *query
, char *buf
, size_t bsize
)
{
int idx = get_query_partition (query);
if (idx < 0) {
return snprintf (buf, bsize, "Invalid: \"%s\" use part=N query", query);
}
return snprintf (buf, bsize, "%ld", bootloader_get_part_ok (idx));
}
GENERIC_RESOURCE
( part_ok
, Set/Clear Partition OK flag
, count
, 0
, set_part_ok
, get_part_ok
);