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contiki/examples/jn516x/rpl/coap-dr1199-node/dr1199-node.c

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/*
* Copyright (c) 2015 NXP B.V.
* 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 NXP B.V. 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 NXP B.V. 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 NXP B.V. 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.
*
* Author: Theo van Daele <theo.van.daele@nxp.com>
*
*/
#include "contiki.h"
#include "net/ip/uip.h"
#include "net/ipv6/uip-ds6.h"
#include "tools/rpl-tools.h"
#include "rest-engine.h"
#include "dev/leds.h"
#include "button-sensor.h"
#include "pot-sensor.h"
#include <stdio.h>
#include <stdlib.h>
static char content[REST_MAX_CHUNK_SIZE];
static int content_len = 0;
static void event_sensors_dr1199_handler();
static void get_sensors_dr1199_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_switch_sw1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_switch_sw2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_switch_sw3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_switch_sw4_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_switch_dio8_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void get_pot_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
static void put_post_led_all_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
#define CONTENT_PRINTF(...) { if(content_len < sizeof(content)) { content_len += snprintf(content + content_len, sizeof(content) - content_len, __VA_ARGS__); } }
#define PARSE_SWITCH(POSITION) if(button_sensor.value(0) & (1 << POSITION)) { \
CONTENT_PRINTF("PRESSED"); \
} else { \
CONTENT_PRINTF("RELEASED"); \
}
#define SET_LED(LED) if(atoi((const char *)request_content) != 0) { \
leds_on(LED); \
} else { \
leds_off(LED); \
}
/*---------------------------------------------------------------------------*/
PROCESS(start_app, "START_APP");
AUTOSTART_PROCESSES(&sensors_process, &start_app);
/*---------------------------------------------------------------------------*/
/*********** CoAP sensor/ resource *************************************************/
/*******************************************************************/
/* Observable resource and event handler to obtain all sensor data */
/*******************************************************************/
EVENT_RESOURCE(resource_sensors_dr1199, /* name */
"obs;title=\"All_DR1199_sensors\"", /* attributes */
get_sensors_dr1199_handler, /* GET handler */
NULL, /* POST handler */
NULL, /* PUT handler */
NULL, /* DELETE handler */
event_sensors_dr1199_handler); /* event handler */
static void
get_sensors_dr1199_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.APPLICATION_JSON) {
content_len = 0;
CONTENT_PRINTF("{\"DR1199\":[");
CONTENT_PRINTF("{\"Switch\":\"0x%X\"},", button_sensor.value(0));
CONTENT_PRINTF("{\"Pot\":\"%d\"}", pot_sensor.value(0));
CONTENT_PRINTF("]}");
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
static void
event_sensors_dr1199_handler()
{
/* Registered observers are notified and will trigger the GET handler to create the response. */
REST.notify_subscribers(&resource_sensors_dr1199);
}
/***********************************************/
/* Resource and handler to obtain switch value */
/***********************************************/
RESOURCE(resource_switch_sw1,
"title=\"SW1\"",
get_switch_sw1_handler,
NULL,
NULL,
NULL);
static void
get_switch_sw1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
PARSE_SWITCH(1)
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
RESOURCE(resource_switch_sw2,
"title=\"SW2\"",
get_switch_sw2_handler,
NULL,
NULL,
NULL);
static void
get_switch_sw2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
PARSE_SWITCH(2)
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
RESOURCE(resource_switch_sw3,
"title=\"SW3\"",
get_switch_sw3_handler,
NULL,
NULL,
NULL);
static void
get_switch_sw3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
PARSE_SWITCH(3)
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
RESOURCE(resource_switch_sw4,
"title=\"SW4\"",
get_switch_sw4_handler,
NULL,
NULL,
NULL);
static void
get_switch_sw4_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
PARSE_SWITCH(4)
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
RESOURCE(resource_switch_dio8,
"title=\"DIO8\"",
get_switch_dio8_handler,
NULL,
NULL,
NULL);
static void
get_switch_dio8_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
PARSE_SWITCH(0)
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/*******************************************************/
/* Resource and handler to obtain potentiometer value */
/*******************************************************/
RESOURCE(resource_pot,
"title=\"Potentiometer\"",
get_pot_handler,
NULL,
NULL,
NULL);
static void
get_pot_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
content_len = 0;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
CONTENT_PRINTF("%d", pot_sensor.value(0));
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(response, (uint8_t *)content, content_len);
}
}
/************************************/
/* Resource and handler to set leds */
/************************************/
RESOURCE(resource_led_d1,
"title=\"LED D1 <[0,1]>\"",
NULL,
put_post_led_d1_handler,
put_post_led_d1_handler,
NULL);
static void
put_post_led_d1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_GREEN)
}
}
RESOURCE(resource_led_d2,
"title=\"LED D2 <[0,1]>\"",
NULL,
put_post_led_d2_handler,
put_post_led_d2_handler,
NULL);
static void
put_post_led_d2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_BLUE)
}
}
RESOURCE(resource_led_d3,
"title=\"LED D3 <[0,1]>\"",
NULL,
put_post_led_d3_handler,
put_post_led_d3_handler,
NULL);
static void
put_post_led_d3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_RED)
}
}
RESOURCE(resource_led_d3_1174,
"title=\"LED D3 1174<[0,1]>\"",
NULL,
put_post_led_d3_1174_handler,
put_post_led_d3_1174_handler,
NULL);
static void
put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_GP0);
}
}
RESOURCE(resource_led_d6_1174,
"title=\"LED D6 1174<[0,1]>\"",
NULL,
put_post_led_d6_1174_handler,
put_post_led_d6_1174_handler,
NULL);
static void
put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
SET_LED(LEDS_GP1);
}
}
RESOURCE(resource_led_all,
"title=\"LED All <[0,1]>\"",
NULL,
put_post_led_all_handler,
put_post_led_all_handler,
NULL);
static void
put_post_led_all_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
const uint8_t *request_content;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.get_request_payload(request, &request_content);
if(atoi((const char *)request_content) != 0) {
leds_on(LEDS_ALL);
} else {
leds_off(LEDS_ALL);
}
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(start_app, ev, data)
{
PROCESS_BEGIN();
static int is_coordinator = 0;
/* is_coordinator = node_id == 1; */
/* Make sensor active for measuring */
SENSORS_ACTIVATE(button_sensor);
SENSORS_ACTIVATE(pot_sensor);
/* Start net stack */
if(is_coordinator) {
uip_ipaddr_t prefix;
uip_ip6addr(&prefix, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
rpl_tools_init(&prefix);
} else {
rpl_tools_init(NULL);
} printf("Starting RPL node\n");
rest_init_engine();
rest_activate_resource(&resource_switch_sw1, "DR1199/Switch/SW1");
rest_activate_resource(&resource_switch_sw2, "DR1199/Switch/SW2");
rest_activate_resource(&resource_switch_sw3, "DR1199/Switch/SW3");
rest_activate_resource(&resource_switch_sw4, "DR1199/Switch/SW4");
rest_activate_resource(&resource_switch_dio8, "DR1199/Switch/DIO8");
rest_activate_resource(&resource_pot, "DR1199/Potentiometer");
rest_activate_resource(&resource_led_d1, "DR1199/LED/D1");
rest_activate_resource(&resource_led_d2, "DR1199/LED/D2");
rest_activate_resource(&resource_led_d3, "DR1199/LED/D3");
rest_activate_resource(&resource_led_d3_1174, "DR1199/LED/D3On1174");
rest_activate_resource(&resource_led_d6_1174, "DR1199/LED/D6On1174");
rest_activate_resource(&resource_led_all, "DR1199/LED/All");
rest_activate_resource(&resource_sensors_dr1199, "DR1199/AllSensors");
/* If sensor process generates an event, call event_handler of resource.
This will make this resource observable by the client */
while(1) {
PROCESS_WAIT_EVENT_UNTIL((ev == sensors_event) &&
((data == &button_sensor) || (data == &pot_sensor)));
event_sensors_dr1199_handler();
}
PROCESS_END();
}
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