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Implementation of OMA LWM2M Engine / IPSO Objects

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Niclas Finne 2015-12-01 04:14:46 +01:00
parent 35fb0614de
commit 3dd11603a7
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3
apps/ipso-objects/Makefile.ipso-objects Normal file
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ipso-objects_src = ipso-temperature.c ipso-button.c ipso-leds-control.c \
ipso-light-control.c ipso-objects.c
CFLAGS += -DWITH_IPSO=1

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apps/ipso-objects/ipso-button.c Normal file
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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 button as a digital input
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "contiki.h"
#include "lwm2m-object.h"
#include "lwm2m-engine.h"
#include "er-coap-engine.h"
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
#if PLATFORM_HAS_BUTTON
#include "dev/button-sensor.h"
PROCESS(ipso_button_process, "ipso-button");
#endif /* PLATFORM_HAS_BUTTON */
static int input_state = 0;
static int polarity = 0;
static int32_t counter = 0;
static int32_t edge_selection = 3;
static int32_t debounce_time = 10;
/*---------------------------------------------------------------------------*/
static int
read_state(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
int value;
if(polarity == 0) {
value = input_state ? 1 : 0;
} else {
value = input_state ? 0 : 1;
}
PRINTF("Read button state (polarity=%d, state=%d): %d\n",
polarity, input_state, value);
return ctx->writer->write_boolean(ctx, outbuf, outsize, value);
}
/*---------------------------------------------------------------------------*/
static int
reset_counter(lwm2m_context_t *ctx, const uint8_t *arg, size_t len,
uint8_t *outbuf, size_t outlen)
{
counter = 0;
return 0;
}
/*---------------------------------------------------------------------------*/
LWM2M_RESOURCES(button_resources,
LWM2M_RESOURCE_CALLBACK(5500, { read_state, NULL, NULL }),
LWM2M_RESOURCE_INTEGER_VAR(5501, &counter),
LWM2M_RESOURCE_BOOLEAN_VAR(5502, &polarity),
LWM2M_RESOURCE_INTEGER_VAR(5503, &debounce_time),
LWM2M_RESOURCE_INTEGER_VAR(5504, &edge_selection),
LWM2M_RESOURCE_CALLBACK(5505, { NULL, NULL, reset_counter }),
LWM2M_RESOURCE_STRING(5751, "Button")
);
LWM2M_INSTANCES(button_instances,
LWM2M_INSTANCE(0, button_resources));
LWM2M_OBJECT(button, 3200, button_instances);
/*---------------------------------------------------------------------------*/
void
ipso_button_init(void)
{
/* register this device and its handlers - the handlers automatically
sends in the object to handle */
lwm2m_engine_register_object(&button);
#if PLATFORM_HAS_BUTTON
process_start(&ipso_button_process, NULL);
#endif /* PLATFORM_HAS_BUTTON */
}
/*---------------------------------------------------------------------------*/
#if PLATFORM_HAS_BUTTON
PROCESS_THREAD(ipso_button_process, ev, data)
{
static struct etimer timer;
int32_t time;
PROCESS_BEGIN();
SENSORS_ACTIVATE(button_sensor);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == sensors_event && data == &button_sensor) {
if(!input_state) {
input_state = 1;
counter++;
if((edge_selection & 2) != 0) {
lwm2m_object_notify_observers(&button, "/0/5500");
}
lwm2m_object_notify_observers(&button, "/0/5501");
time = (debounce_time * CLOCK_SECOND / 1000);
if(time < 1) {
time = 1;
}
etimer_set(&timer, (clock_time_t)time);
}
} else if(ev == PROCESS_EVENT_TIMER && data == &timer) {
if(!input_state) {
/* Button is not in pressed state */
} else if(button_sensor.value(0) != 0) {
/* Button is still pressed */
etimer_reset(&timer);
} else {
input_state = 0;
if((edge_selection & 1) != 0) {
lwm2m_object_notify_observers(&button, "/0/5500");
}
}
}
}
PROCESS_END();
}
#endif /* PLATFORM_HAS_BUTTON */
/*---------------------------------------------------------------------------*/
/** @} */

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apps/ipso-objects/ipso-leds-control.c Normal file
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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 for LEDs
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "lwm2m-object.h"
#include "lwm2m-engine.h"
#include "er-coap-engine.h"
#include "dev/leds.h"
#include <stdint.h>
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
#if LEDS_ALL > 3
#define LEDS_CONTROL_NUMBER 3
#elif LEDS_ALL > 1
#define LEDS_CONTROL_NUMBER 2
#else
#define LEDS_CONTROL_NUMBER 1
#endif
struct led_state {
unsigned long last_on_time;
uint32_t total_on_time;
uint8_t is_on;
};
static struct led_state states[LEDS_CONTROL_NUMBER];
static lwm2m_instance_t leds_control_instances[LEDS_CONTROL_NUMBER];
/*---------------------------------------------------------------------------*/
static int
read_state(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
uint8_t idx = ctx->object_instance_index;
if(idx >= LEDS_CONTROL_NUMBER) {
return 0;
}
return ctx->writer->write_boolean(ctx, outbuf, outsize,
states[idx].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;
uint8_t idx = ctx->object_instance_index;
if(idx >= LEDS_CONTROL_NUMBER) {
return 0;
}
len = ctx->reader->read_boolean(ctx, inbuf, insize, &value);
if(len > 0) {
if(value) {
if(!states[idx].is_on) {
states[idx].is_on = 1;
states[idx].last_on_time = clock_seconds();
#if PLATFORM_HAS_LEDS
leds_on(1 << idx);
#endif /* PLATFORM_HAS_LEDS */
}
} else if(states[idx].is_on) {
states[idx].total_on_time += clock_seconds() - states[idx].last_on_time;
states[idx].is_on = 0;
#if PLATFORM_HAS_LEDS
leds_off(1 << idx);
#endif /* PLATFORM_HAS_LEDS */
}
} else {
PRINTF("IPSO leds control - ignored illegal write to on/off\n");
}
return len;
}
/*---------------------------------------------------------------------------*/
static int
read_on_time(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
unsigned long now;
uint8_t idx = ctx->object_instance_index;
if(idx >= LEDS_CONTROL_NUMBER) {
return 0;
}
if(states[idx].is_on) {
/* Update the on time */
now = clock_seconds();
states[idx].total_on_time += now - states[idx].last_on_time;
states[idx].last_on_time = now;
}
return ctx->writer->write_int(ctx, outbuf, outsize,
(int32_t)states[idx].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;
uint8_t idx = ctx->object_instance_index;
if(idx >= LEDS_CONTROL_NUMBER) {
return 0;
}
len = ctx->reader->read_int(ctx, inbuf, insize, &value);
if(len > 0 && value == 0) {
PRINTF("IPSO leds control - reset On Time\n");
states[idx].total_on_time = 0;
if(states[idx].is_on) {
states[idx].last_on_time = clock_seconds();
}
} else {
PRINTF("IPSO leds control - ignored illegal write to On Time\n");
}
return len;
}
/*---------------------------------------------------------------------------*/
LWM2M_RESOURCES(leds_control_resources,
LWM2M_RESOURCE_CALLBACK(5850, { read_state, write_state, NULL }),
LWM2M_RESOURCE_CALLBACK(5852, { read_on_time, write_on_time, NULL })
);
LWM2M_OBJECT(leds_control, 3311, leds_control_instances);
/*---------------------------------------------------------------------------*/
void
ipso_leds_control_init(void)
{
lwm2m_instance_t template = LWM2M_INSTANCE(0, leds_control_resources);
int i;
/* Initialize the instances */
for(i = 0; i < LEDS_CONTROL_NUMBER; i++) {
leds_control_instances[i] = template;
leds_control_instances[i].id = i;
}
/* register this device and its handlers - the handlers automatically
sends in the object to handle */
lwm2m_engine_register_object(&leds_control);
PRINTF("IPSO leds control initialized with %u instances\n",
LEDS_CONTROL_NUMBER);
}
/*---------------------------------------------------------------------------*/
/** @} */

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apps/ipso-objects/ipso-light-control.c Normal file
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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);
}
/*---------------------------------------------------------------------------*/
/** @} */

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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 oma-lwm2m
* @{
*/
/**
* \file
* Implementation of the IPSO Objects
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "contiki.h"
#include "ipso-objects.h"
/*---------------------------------------------------------------------------*/
void
ipso_objects_init(void)
{
/* initialize any relevant object for the IPSO Objects */
#ifdef IPSO_TEMPERATURE
ipso_temperature_init();
#endif
#if PLATFORM_HAS_BUTTON
ipso_button_init();
#endif
#ifdef IPSO_LIGHT_CONTROL
ipso_light_control_init();
#elif PLATFORM_HAS_LEDS
ipso_leds_control_init();
#endif
}
/*---------------------------------------------------------------------------*/
/** @} */

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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 apps
* @{
*/
/**
* \defgroup ipso-objects An implementation of IPSO Objects
* @{
*
* This application is an implementation of IPSO Objects for
* OMA Lightweight M2M.
*/
/**
* \file
* Header file for the Contiki IPSO Objects for OMA LWM2M
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#ifndef IPSO_OBJECTS_H_
#define IPSO_OBJECTS_H_
#include "contiki-conf.h"
void ipso_temperature_init(void);
void ipso_button_init(void);
void ipso_light_control_init(void);
void ipso_leds_control_init(void);
/* the init function to register the IPSO objects */
void ipso_objects_init(void);
struct ipso_objects_actuator {
/**
* \brief Initialize the driver.
*/
void (* init)(void);
/**
* \brief Check if the actuator is on or off.
*
* \return Zero if the actuator is off and non-zero otherwise.
*/
int (* is_on)(void);
/**
* \brief Set the actuator to on or off.
*
* \param onoroff Zero to set the actuator to off and non-zero otherwise.
* \return Zero if ok and a non-zero error code otherwise.
*/
int (* set_on)(int onoroff);
/**
* \brief Set the actuator to on or off.
*
* \param onoroff Zero to set the actuator to off and non-zero otherwise.
* \return Zero if ok and a non-zero error code otherwise.
*/
int (* get_dim_level)(void);
/**
* \brief Set the dim level of the actuator.
*
* \param level The dim level between 0% and 100%.
* \return Zero if ok and a non-zero error code otherwise.
*/
int (* set_dim_level)(int level);
};
struct ipso_objects_sensor {
/**
* \brief Initialize the driver.
*/
void (* init)(void);
/**
* \brief Read the sensor value in 1/1000 units.
*
* \param value A pointer to the variable to hold the sensor value.
* \return Zero if ok and a non-zero error code otherwise.
*/
int (* read_value)(int32_t *value);
};
#endif /* IPSO_OBJECTS_H_ */
/**
* @}
* @}
*/

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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 Temperature
* \author
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include <stdint.h>
#include "ipso-objects.h"
#include "lwm2m-object.h"
#include "lwm2m-engine.h"
#include "er-coap-engine.h"
#ifdef IPSO_TEMPERATURE
extern const struct ipso_objects_sensor IPSO_TEMPERATURE;
#endif /* IPSO_TEMPERATURE */
#ifndef IPSO_TEMPERATURE_MIN
#define IPSO_TEMPERATURE_MIN (-50 * LWM2M_FLOAT32_FRAC)
#endif
#ifndef IPSO_TEMPERATURE_MAX
#define IPSO_TEMPERATURE_MAX (80 * LWM2M_FLOAT32_FRAC)
#endif
static struct ctimer periodic_timer;
static int32_t min_temp;
static int32_t max_temp;
static int read_temp(int32_t *value);
/*---------------------------------------------------------------------------*/
static int
temp(lwm2m_context_t *ctx, uint8_t *outbuf, size_t outsize)
{
int32_t value;
if(read_temp(&value)) {
return ctx->writer->write_float32fix(ctx, outbuf, outsize,
value, LWM2M_FLOAT32_BITS);
}
return 0;
}
/*---------------------------------------------------------------------------*/
LWM2M_RESOURCES(temperature_resources,
/* Temperature (Current) */
LWM2M_RESOURCE_CALLBACK(5700, { temp, NULL, NULL }),
/* Units */
LWM2M_RESOURCE_STRING(5701, "Celcius"),
/* Min Range Value */
LWM2M_RESOURCE_FLOATFIX(5603, IPSO_TEMPERATURE_MIN),
/* Max Range Value */
LWM2M_RESOURCE_FLOATFIX(5604, IPSO_TEMPERATURE_MAX),
/* Min Measured Value */
LWM2M_RESOURCE_FLOATFIX_VAR(5601, &min_temp),
/* Max Measured Value */
LWM2M_RESOURCE_FLOATFIX_VAR(5602, &max_temp),
);
LWM2M_INSTANCES(temperature_instances,
LWM2M_INSTANCE(0, temperature_resources));
LWM2M_OBJECT(temperature, 3303, temperature_instances);
/*---------------------------------------------------------------------------*/
static int
read_temp(int32_t *value)
{
#ifdef IPSO_TEMPERATURE
int32_t temp;
if(IPSO_TEMPERATURE.read_value == NULL ||
IPSO_TEMPERATURE.read_value(&temp) != 0) {
return 0;
}
/* Convert milliCelsius to fix float */
*value = (temp * LWM2M_FLOAT32_FRAC) / 1000;
if(*value < min_temp) {
min_temp = *value;
lwm2m_object_notify_observers(&temperature, "/0/5601");
}
if(*value > max_temp) {
max_temp = *value;
lwm2m_object_notify_observers(&temperature, "/0/5602");
}
return 1;
#else /* IPSO_TEMPERATURE */
return 0;
#endif /* IPSO_TEMPERATURE */
}
/*---------------------------------------------------------------------------*/
static void
handle_periodic_timer(void *ptr)
{
static int32_t last_value = IPSO_TEMPERATURE_MIN;
int32_t v;
/* Only notify when the value has changed since last */
if(read_temp(&v) && v != last_value) {
last_value = v;
lwm2m_object_notify_observers(&temperature, "/0/5700");
}
ctimer_reset(&periodic_timer);
}
/*---------------------------------------------------------------------------*/
void
ipso_temperature_init(void)
{
int32_t v;
min_temp = IPSO_TEMPERATURE_MAX;
max_temp = IPSO_TEMPERATURE_MIN;
#ifdef IPSO_TEMPERATURE
if(IPSO_TEMPERATURE.init) {
IPSO_TEMPERATURE.init();
}
#endif /* IPSO_TEMPERATURE */
/* register this device and its handlers - the handlers automatically
sends in the object to handle */
lwm2m_engine_register_object(&temperature);
/* update temp and min/max + notify any listeners */
read_temp(&v);
ctimer_set(&periodic_timer, CLOCK_SECOND * 10, handle_periodic_timer, NULL);
}
/*---------------------------------------------------------------------------*/
/** @} */