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