osd-contiki/examples/osd/dual-rgbw-actor/er-example-server.c
2014-11-19 13:38:51 +01:00

266 lines
8.9 KiB
C

/*
* Copyright (C) 2011-2014, Matthias Kovatsch and other contributors.
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/**
* \file
* Erbium (Er) Dual RGBW Led REST Engine example (with CoAP-specific code)
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
* Harald Pichler <harald@the-develop.net>
* Marcus Priesch <marcus@priesch.co.at>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "contiki.h"
#include "contiki-net.h"
#include "erbium.h"
#include "dev/t4-servo-sensor.h"
/* For CoAP-specific example: not required for normal RESTful Web service. */
#if WITH_COAP == 3
#include "er-coap-03.h"
#elif WITH_COAP == 7
#include "er-coap-07.h"
#elif WITH_COAP == 12
#include "er-coap-12.h"
#elif WITH_COAP == 13
#include "er-coap-13.h"
#else
#warning "Erbium example without CoAP-specifc functionality"
#endif /* CoAP-specific example */
#define DEBUG 1
#if DEBUG
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]",(lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3],(lladdr)->addr[4], (lladdr)->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#define PRINTLLADDR(addr)
#endif
/******************************************************************************/
/*
* Resources are defined by the RESOURCE macro.
* Signature: resource name, the RESTful methods it handles, and its URI path (omitting the leading slash).
*/
RESOURCE(info, METHOD_GET, "info", "title=\"Info\";rt=\"text\"");
/*
* A handler function named [resource name]_handler must be implemented for each RESOURCE.
* A buffer for the response payload is provided through the buffer pointer. Simple resources can ignore
* preferred_size and offset, but must respect the REST_MAX_CHUNK_SIZE limit for the buffer.
* If a smaller block size is requested for CoAP, the REST framework automatically splits the data.
*/
void
info_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
char message[100];
int index = 0;
int length = 0; /* |<-------->| */
/* Some data that has the length up to REST_MAX_CHUNK_SIZE. For more, see the chunk resource. */
// jSON Format
index += sprintf(message + index,"{\n \"Version\" : \"V1.0pre1\",\n");
index += sprintf(message + index," \"name\" : \"Dual RGBW Led Actor\"\n");
index += sprintf(message + index,"}\n");
length = strlen(message);
memcpy(buffer, message,length );
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_response_payload(response, buffer, length);
}
RESOURCE(t4_servo, METHOD_GET | METHOD_PUT , "a/dual_rgbw_led", "title=\"Dual RGBW Led Actor\";rt=\"dual_rgbw_led\"");
void
t4_servo_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int success = 1;
char temp[100];
int index = 0;
int length = 0;
const char *value = NULL;
size_t len = 0;
int r1 = t4_servo_sensor.value(0);
int g1 = t4_servo_sensor.value(1);
int b1 = t4_servo_sensor.value(2);
int w1 = t4_servo_sensor.value(3);
int r2 = t4_servo_sensor.value(4);
int g2 = t4_servo_sensor.value(5);
int b2 = t4_servo_sensor.value(6);
int w2 = t4_servo_sensor.value(7);
switch(REST.get_method_type(request)){
case METHOD_GET:
// jSON Format
index += sprintf(temp + index,"{\"r1\":%d,", r1);
index += sprintf(temp + index, "\"g1\":%d,", g1);
index += sprintf(temp + index, "\"b1\":%d,", b1);
index += sprintf(temp + index, "\"w1\":%d,", w1);
index += sprintf(temp + index, "\"r2\":%d,", r2);
index += sprintf(temp + index, "\"g2\":%d,", g2);
index += sprintf(temp + index, "\"b2\":%d,", b2);
index += sprintf(temp + index, "\"w2\":%d,", w2);
index += sprintf(temp + index,"}\n");
length = strlen(temp);
memcpy(buffer, temp, length);
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_response_payload(response, buffer, length);
break;
case METHOD_POST:
success = 0;
break;
case METHOD_PUT:
// Note that we have to set all at once:
// red=255&green=255&blue=255&white=255
// otherwise we get "bad request"
if (success && (len=REST.get_post_variable(request, "r1", &value))) {
t4_servo_sensor.configure(0,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "g1", &value))) {
t4_servo_sensor.configure(1,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "b1", &value))) {
t4_servo_sensor.configure(2,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "w1", &value))) {
t4_servo_sensor.configure(3,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "r2", &value)))
{
t4_servo_sensor.configure(4,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "g2", &value))) {
t4_servo_sensor.configure(5,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "b2", &value))) {
t4_servo_sensor.configure(6,(unsigned char) atoi(value));
} else {
success = 0;
}
if (success && (len=REST.get_post_variable(request, "w2", &value))) {
t4_servo_sensor.configure(7,(unsigned char) atoi(value));
} else {
success = 0;
}
break;
default:
success = 0;
}
if (!success) {
REST.set_response_status(response, REST.status.BAD_REQUEST);
}
}
void
hw_init()
{
}
PROCESS(rest_server_example, "Erbium Example Server");
AUTOSTART_PROCESSES(&rest_server_example, &sensors_process);
PROCESS_THREAD(rest_server_example, ev, data)
{
PROCESS_BEGIN();
PRINTF("Starting Erbium Example Server\n");
#ifdef RF_CHANNEL
PRINTF("RF channel: %u\n", RF_CHANNEL);
#endif
#ifdef IEEE802154_PANID
PRINTF("PAN ID: 0x%04X\n", IEEE802154_PANID);
#endif
PRINTF("uIP buffer: %u\n", UIP_BUFSIZE);
PRINTF("LL header: %u\n", UIP_LLH_LEN);
PRINTF("IP+UDP header: %u\n", UIP_IPUDPH_LEN);
PRINTF("REST max chunk: %u\n", REST_MAX_CHUNK_SIZE);
/* if static routes are used rather than RPL */
#if !UIP_CONF_IPV6_RPL && !defined (CONTIKI_TARGET_MINIMAL_NET) && !defined (CONTIKI_TARGET_NATIVE)
set_global_address();
configure_routing();
#endif
/* Initialize the OSD Hardware. */
hw_init();
/* Initialize the REST engine. */
rest_init_engine();
/* Activate the application-specific resources. */
rest_activate_resource(&resource_info);
SENSORS_ACTIVATE(t4_servo_sensor);
rest_activate_resource(&resource_t4_servo);
/* Define application-specific events here. */
while(1) {
PROCESS_WAIT_EVENT();
}
PROCESS_END();
}