385 lines
15 KiB
C
385 lines
15 KiB
C
/*
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* Copyright (c) 2015 NXP B.V.
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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 NXP B.V. nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY NXP B.V. AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NXP B.V. OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Theo van Daele <theo.van.daele@nxp.com>
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*
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*/
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#include "contiki.h"
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#include "net/ip/uip.h"
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#include "tools/rpl-tools.h"
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#include "rest-engine.h"
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#include "dev/leds.h"
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#include "button-sensor.h"
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#include "pot-sensor.h"
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#include <stdio.h>
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#include <stdlib.h>
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static char content[REST_MAX_CHUNK_SIZE];
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static int content_len = 0;
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static void event_sensors_dr1199_handler();
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static void get_sensors_dr1199_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_switch_sw1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_switch_sw2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_switch_sw3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_switch_sw4_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_switch_dio8_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void get_pot_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void put_post_led_all_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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#define CONTENT_PRINTF(...) { if(content_len < sizeof(content)) { content_len += snprintf(content + content_len, sizeof(content) - content_len, __VA_ARGS__); } }
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#define PARSE_SWITCH(POSITION) if(button_sensor.value(0) & (1 << POSITION)) { \
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CONTENT_PRINTF("PRESSED"); \
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} else { \
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CONTENT_PRINTF("RELEASED"); \
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}
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#define SET_LED(LED) if(atoi((const char *)request_content) != 0) { \
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leds_on(LED); \
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} else { \
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leds_off(LED); \
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}
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/*---------------------------------------------------------------------------*/
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PROCESS(start_app, "START_APP");
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AUTOSTART_PROCESSES(&sensors_process, &start_app);
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/*---------------------------------------------------------------------------*/
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/*********** CoAP sensor/ resource *************************************************/
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/*******************************************************************/
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/* Observable resource and event handler to obtain all sensor data */
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/*******************************************************************/
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EVENT_RESOURCE(resource_sensors_dr1199, /* name */
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"obs;title=\"All_DR1199_sensors\"", /* attributes */
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get_sensors_dr1199_handler, /* GET handler */
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NULL, /* POST handler */
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NULL, /* PUT handler */
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NULL, /* DELETE handler */
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event_sensors_dr1199_handler); /* event handler */
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static void
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get_sensors_dr1199_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.APPLICATION_JSON) {
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content_len = 0;
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CONTENT_PRINTF("{\"DR1199\":[");
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CONTENT_PRINTF("{\"Switch\":\"0x%X\"},", button_sensor.value(0));
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CONTENT_PRINTF("{\"Pot\":\"%d\"}", pot_sensor.value(0));
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CONTENT_PRINTF("]}");
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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static void
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event_sensors_dr1199_handler()
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{
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/* Registered observers are notified and will trigger the GET handler to create the response. */
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REST.notify_subscribers(&resource_sensors_dr1199);
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}
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/***********************************************/
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/* Resource and handler to obtain switch value */
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/***********************************************/
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RESOURCE(resource_switch_sw1,
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"title=\"SW1\"",
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get_switch_sw1_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_switch_sw1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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PARSE_SWITCH(1)
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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RESOURCE(resource_switch_sw2,
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"title=\"SW2\"",
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get_switch_sw2_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_switch_sw2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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PARSE_SWITCH(2)
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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RESOURCE(resource_switch_sw3,
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"title=\"SW3\"",
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get_switch_sw3_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_switch_sw3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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PARSE_SWITCH(3)
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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RESOURCE(resource_switch_sw4,
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"title=\"SW4\"",
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get_switch_sw4_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_switch_sw4_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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PARSE_SWITCH(4)
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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RESOURCE(resource_switch_dio8,
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"title=\"DIO8\"",
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get_switch_dio8_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_switch_dio8_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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PARSE_SWITCH(0)
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/*******************************************************/
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/* Resource and handler to obtain potentiometer value */
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/*******************************************************/
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RESOURCE(resource_pot,
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"title=\"Potentiometer\"",
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get_pot_handler,
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NULL,
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NULL,
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NULL);
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static void
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get_pot_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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content_len = 0;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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CONTENT_PRINTF("%d", pot_sensor.value(0));
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_response_payload(response, (uint8_t *)content, content_len);
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}
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}
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/************************************/
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/* Resource and handler to set leds */
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/************************************/
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RESOURCE(resource_led_d1,
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"title=\"LED D1 <[0,1]>\"",
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NULL,
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put_post_led_d1_handler,
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put_post_led_d1_handler,
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NULL);
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static void
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put_post_led_d1_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_GREEN)
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}
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}
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RESOURCE(resource_led_d2,
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"title=\"LED D2 <[0,1]>\"",
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NULL,
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put_post_led_d2_handler,
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put_post_led_d2_handler,
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NULL);
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static void
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put_post_led_d2_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_BLUE)
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}
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}
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RESOURCE(resource_led_d3,
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"title=\"LED D3 <[0,1]>\"",
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NULL,
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put_post_led_d3_handler,
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put_post_led_d3_handler,
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NULL);
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static void
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put_post_led_d3_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_RED)
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}
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}
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RESOURCE(resource_led_d3_1174,
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"title=\"LED D3 1174<[0,1]>\"",
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NULL,
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put_post_led_d3_1174_handler,
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put_post_led_d3_1174_handler,
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NULL);
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static void
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put_post_led_d3_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_GP0);
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}
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}
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RESOURCE(resource_led_d6_1174,
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"title=\"LED D6 1174<[0,1]>\"",
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NULL,
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put_post_led_d6_1174_handler,
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put_post_led_d6_1174_handler,
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NULL);
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static void
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put_post_led_d6_1174_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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SET_LED(LEDS_GP1);
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}
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}
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RESOURCE(resource_led_all,
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"title=\"LED All <[0,1]>\"",
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NULL,
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put_post_led_all_handler,
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put_post_led_all_handler,
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NULL);
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static void
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put_post_led_all_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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const uint8_t *request_content;
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.get_request_payload(request, &request_content);
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if(atoi((const char *)request_content) != 0) {
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leds_on(LEDS_ALL);
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} else {
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leds_off(LEDS_ALL);
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(start_app, ev, data)
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{
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PROCESS_BEGIN();
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static int is_coordinator = 0;
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/* is_coordinator = node_id == 1; */
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/* Make sensor active for measuring */
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SENSORS_ACTIVATE(button_sensor);
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SENSORS_ACTIVATE(pot_sensor);
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/* Start net stack */
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if(is_coordinator) {
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uip_ipaddr_t prefix;
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uip_ip6addr(&prefix, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
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rpl_tools_init(&prefix);
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} else {
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rpl_tools_init(NULL);
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} printf("Starting RPL node\n");
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rest_init_engine();
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rest_activate_resource(&resource_switch_sw1, "DR1199/Switch/SW1");
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rest_activate_resource(&resource_switch_sw2, "DR1199/Switch/SW2");
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rest_activate_resource(&resource_switch_sw3, "DR1199/Switch/SW3");
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rest_activate_resource(&resource_switch_sw4, "DR1199/Switch/SW4");
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rest_activate_resource(&resource_switch_dio8, "DR1199/Switch/DIO8");
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rest_activate_resource(&resource_pot, "DR1199/Potentiometer");
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rest_activate_resource(&resource_led_d1, "DR1199/LED/D1");
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rest_activate_resource(&resource_led_d2, "DR1199/LED/D2");
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rest_activate_resource(&resource_led_d3, "DR1199/LED/D3");
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rest_activate_resource(&resource_led_d3_1174, "DR1199/LED/D3On1174");
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rest_activate_resource(&resource_led_d6_1174, "DR1199/LED/D6On1174");
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rest_activate_resource(&resource_led_all, "DR1199/LED/All");
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rest_activate_resource(&resource_sensors_dr1199, "DR1199/AllSensors");
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/* If sensor process generates an event, call event_handler of resource.
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This will make this resource observable by the client */
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL((ev == sensors_event) &&
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((data == &button_sensor) || (data == &pot_sensor)));
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event_sensors_dr1199_handler();
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}
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PROCESS_END();
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}
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