contiki/apps/ipso-objects/ipso-light-control.c

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/*
* Copyright (c) 2015, Yanzi Networks AB.
* 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 copyright holder 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 COPYRIGHT HOLDER 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup ipso-objects
* @{
*
*/
/**
* \file
* Implementation of OMA LWM2M / IPSO Light Control
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "ipso-objects.h"
#include "lwm2m-object.h"
#include "lwm2m-engine.h"
#ifdef IPSO_LIGHT_CONTROL
extern const struct ipso_objects_actuator IPSO_LIGHT_CONTROL;
#endif /* IPSO_LIGHT_CONTROL */
/*---------------------------------------------------------------------------*/
static unsigned long last_on_time;
static uint32_t total_on_time;
static int dim_level = 0;
static uint8_t is_on = 0;
/*---------------------------------------------------------------------------*/
static int
read_state(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
return ctx->writer->write_boolean(ctx, outbuf, outsize, is_on ? 1 : 0);
}
/*---------------------------------------------------------------------------*/
static int
write_state(lwm2m_context_t *ctx, const uint8_t *inbuf, size_t insize,
uint8_t *outbuf, size_t outsize)
{
int value;
size_t len;
len = ctx->reader->read_boolean(ctx, inbuf, insize, &value);
if(len > 0) {
if(value) {
if(!is_on) {
is_on = 1;
last_on_time = clock_seconds();
}
} else {
if(is_on) {
total_on_time += clock_seconds() - last_on_time;
is_on = 0;
}
}
#ifdef IPSO_LIGHT_CONTROL
if(IPSO_LIGHT_CONTROL.set_on) {
IPSO_LIGHT_CONTROL.set_on(value);
} else if(IPSO_LIGHT_CONTROL.set_dim_level) {
dim_level = value ? 100 : 0;
IPSO_LIGHT_CONTROL.set_dim_level(dim_level);
}
#endif /* IPSO_LIGHT_CONTROL */
}
return len;
}
/*---------------------------------------------------------------------------*/
static int
read_dim(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
return ctx->writer->write_int(ctx, outbuf, outsize, dim_level);
}
/*---------------------------------------------------------------------------*/
static int
write_dim(lwm2m_context_t *ctx, const uint8_t *inbuf, size_t insize,
uint8_t *outbuf, size_t outsize)
{
int32_t value;
size_t len;
len = ctx->reader->read_int(ctx, inbuf, insize, &value);
if(len > 0) {
if(value < 0) {
value = 0;
} else if(value > 100) {
value = 100;
}
dim_level = value;
if(value > 0) {
if(!is_on) {
is_on = 1;
last_on_time = clock_seconds();
}
} else {
if(is_on) {
total_on_time += clock_seconds() - last_on_time;
is_on = 0;
}
}
#ifdef IPSO_LIGHT_CONTROL
if(IPSO_LIGHT_CONTROL.set_dim_level) {
IPSO_LIGHT_CONTROL.set_dim_level(dim_level);
} else if(IPSO_LIGHT_CONTROL.set_on) {
IPSO_LIGHT_CONTROL.set_on(is_on);
}
#endif /* IPSO_LIGHT_CONTROL */
}
return len;
}
/*---------------------------------------------------------------------------*/
static int
read_on_time(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
unsigned long now;
if(is_on) {
/* Update the on time */
now = clock_seconds();
total_on_time += now - last_on_time;
last_on_time = now;
}
return ctx->writer->write_int(ctx, outbuf, outsize, (int32_t)total_on_time);
}
/*---------------------------------------------------------------------------*/
static int
write_on_time(lwm2m_context_t *ctx,
const uint8_t *inbuf, size_t insize,
uint8_t *outbuf, size_t outsize)
{
int32_t value;
size_t len;
len = ctx->reader->read_int(ctx, inbuf, insize, &value);
if(len > 0 && value == 0) {
total_on_time = 0;
if(is_on) {
last_on_time = clock_seconds();
}
}
return len;
}
/*---------------------------------------------------------------------------*/
LWM2M_RESOURCES(light_control_resources,
LWM2M_RESOURCE_CALLBACK(5850, { read_state, write_state, NULL }),
LWM2M_RESOURCE_CALLBACK(5851, { read_dim, write_dim, NULL }),
LWM2M_RESOURCE_CALLBACK(5852, { read_on_time, write_on_time, NULL }),
);
LWM2M_INSTANCES(light_control_instances,
LWM2M_INSTANCE(0, light_control_resources));
LWM2M_OBJECT(light_control, 3311, light_control_instances);
/*---------------------------------------------------------------------------*/
void
ipso_light_control_init(void)
{
#ifdef IPSO_LIGHT_CONTROL
if(IPSO_LIGHT_CONTROL.init) {
IPSO_LIGHT_CONTROL.init();
}
if(IPSO_LIGHT_CONTROL.is_on) {
is_on = IPSO_LIGHT_CONTROL.is_on();
}
if(IPSO_LIGHT_CONTROL.get_dim_level) {
dim_level = IPSO_LIGHT_CONTROL.get_dim_level();
if(dim_level > 0 && IPSO_LIGHT_CONTROL.is_on == NULL) {
is_on = 1;
}
}
#endif /* IPSO_LIGHT_CONTROL */
last_on_time = clock_seconds();
lwm2m_engine_register_object(&light_control);
}
/*---------------------------------------------------------------------------*/
/** @} */