84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
|
|
** Copyright (C) 2017 Marcus Priesch, All rights reserved
|
|
** In Prandnern 31, A--2122 Riedenthal, Austria. office@priesch.co.at
|
|
** ****************************************************************************
|
|
**
|
|
**
|
|
** This program is free software; you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation; either version 2 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** This program is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with this program; if not, write to the Free Software
|
|
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
** ****************************************************************************
|
|
**
|
|
**++
|
|
** Name
|
|
** wind_speed
|
|
**
|
|
** Purpose
|
|
** provide wind resource
|
|
**
|
|
**
|
|
** Revision Dates
|
|
** 8-Aug-2017 (MPR) Creation
|
|
** ««revision-date»»···
|
|
**--
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
|
|
#include <string.h>
|
|
#include "rest-engine.h"
|
|
#include "Arduino.h"
|
|
|
|
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
|
|
RESOURCE(res_wind_speed,
|
|
"title=\"Windspeed\";rt=\"Windspeed\"",
|
|
res_get_handler,
|
|
NULL,
|
|
NULL,
|
|
NULL);
|
|
|
|
extern int ws_speed_hi ;
|
|
extern int ws_speed_lo ;
|
|
extern char ws_unit [8];
|
|
|
|
static void
|
|
res_get_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.TEXT_PLAIN) {
|
|
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
|
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d.%02d", ws_speed_hi, ws_speed_lo);
|
|
|
|
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
|
|
|
} else if(accept == REST.type.APPLICATION_JSON) {
|
|
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
|
|
snprintf((char *)buffer, REST_MAX_CHUNK_SIZE,
|
|
"{'speed':%d.%02d,'unit':'%s'}", ws_speed_hi, ws_speed_lo, ws_unit);
|
|
|
|
REST.set_response_payload(response, buffer, strlen((char *)buffer));
|
|
|
|
} else {
|
|
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
|
|
const char *msg = "Supporting content-types text/plain application/json";
|
|
REST.set_response_payload(response, msg, strlen(msg));
|
|
}
|
|
}
|
|
|
|
|
|
|