152 lines
5.5 KiB
C
152 lines
5.5 KiB
C
/*
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* Copyright (c) 2015, Yanzi Networks AB.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup oma-lwm2m
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* @{
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*/
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/**
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* \file
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* Implementation of the Contiki OMA LWM2M device
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* \author
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* Joakim Eriksson <joakime@sics.se>
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* Niclas Finne <nfi@sics.se>
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*/
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#include "lwm2m-object.h"
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#include "lwm2m-device.h"
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#include "lwm2m-engine.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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static int32_t time_offset = 0;
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/*---------------------------------------------------------------------------*/
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static int
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read_lwtime(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
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{
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return ctx->writer->write_int(ctx, outbuf, outsize,
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time_offset + clock_seconds());
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}
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/*---------------------------------------------------------------------------*/
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static int
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set_lwtime(lwm2m_context_t *ctx, const uint8_t *inbuf, size_t insize,
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uint8_t *outbuf, size_t outsize)
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{
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/* assume that this only read one TLV value */
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int32_t lw_time;
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size_t len = ctx->reader->read_int(ctx, inbuf, insize, &lw_time);
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if(len == 0) {
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PRINTF("FAIL: could not read time '%*.s'\n", (int)insize, inbuf);
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} else {
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PRINTF("Got: time: %*.s => %" PRId32 "\n", (int)insize, inbuf, lw_time);
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time_offset = lw_time - clock_seconds();
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PRINTF("Write time...%" PRId32 " => offset = %" PRId32 "\n",
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lw_time, time_offset);
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}
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/* return the number of bytes read */
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return len;
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}
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/*---------------------------------------------------------------------------*/
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#ifdef PLATFORM_REBOOT
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static struct ctimer reboot_timer;
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static void
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do_the_reboot(void *ptr)
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{
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PLATFORM_REBOOT();
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}
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static int
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reboot(lwm2m_context_t *ctx, const uint8_t *arg, size_t argsize,
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uint8_t *outbuf, size_t outsize)
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{
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PRINTF("Device will reboot!\n");
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ctimer_set(&reboot_timer, CLOCK_SECOND / 2, do_the_reboot, NULL);
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return 0;
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}
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#endif /* PLATFORM_REBOOT */
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/*---------------------------------------------------------------------------*/
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#ifdef PLATFORM_FACTORY_DEFAULT
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static int
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factory_reset(lwm2m_context_t *ctx, const uint8_t *arg, size_t arg_size,
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uint8_t *outbuf, size_t outsize)
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{
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PRINTF("Device will do factory default!\n");
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PLATFORM_FACTORY_DEFAULT();
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return 0;
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}
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#endif /* PLATFORM_FACTORY_DEFAULT */
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/*---------------------------------------------------------------------------*/
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LWM2M_RESOURCES(device_resources,
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#ifdef LWM2M_DEVICE_MANUFACTURER
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LWM2M_RESOURCE_STRING(0, LWM2M_DEVICE_MANUFACTURER),
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#endif /* LWM2M_DEVICE_MANUFACTURER */
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#ifdef LWM2M_DEVICE_TYPE
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LWM2M_RESOURCE_STRING(17, LWM2M_DEVICE_TYPE),
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#endif /* LWM2M_DEVICE_TYPE */
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#ifdef LWM2M_DEVICE_MODEL_NUMBER
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LWM2M_RESOURCE_STRING(1, LWM2M_DEVICE_MODEL_NUMBER),
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#endif /* LWM2M_DEVICE_MODEL_NUMBER */
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#ifdef LWM2M_DEVICE_SERIAL_NO
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LWM2M_RESOURCE_STRING(2, LWM2M_DEVICE_SERIAL_NO),
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#endif /* LWM2M_DEVICE_SERIAL_NO */
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#ifdef LWM2M_DEVICE_FIRMWARE_VERSION
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LWM2M_RESOURCE_STRING(3, LWM2M_DEVICE_FIRMWARE_VERSION),
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#endif /* LWM2M_DEVICE_FIRMWARE_VERSION */
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#ifdef PLATFORM_REBOOT
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LWM2M_RESOURCE_CALLBACK(4, { NULL, NULL, reboot }),
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#endif /* PLATFORM_REBOOT */
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#ifdef PLATFORM_FACTORY_DEFAULT
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LWM2M_RESOURCE_CALLBACK(5, { NULL, NULL, factory_reset }),
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#endif /* PLATFORM_FACTORY_DEFAULT */
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/* Current Time */
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LWM2M_RESOURCE_CALLBACK(13, { read_lwtime, set_lwtime, NULL }),
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);
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LWM2M_INSTANCES(device_instances, LWM2M_INSTANCE(0, device_resources));
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LWM2M_OBJECT(device, 3, device_instances);
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/*---------------------------------------------------------------------------*/
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void
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lwm2m_device_init(void)
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{
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/**
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* Register this device and its handlers - the handlers
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* automatically sends in the object to handle.
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*/
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PRINTF("*** Init lwm2m-device\n");
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lwm2m_engine_register_object(&device);
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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