contiki/apps/shell/shell-sensortweet.c

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/*
* Copyright (c) 2009, Swedish Institute of Computer Science.
* 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
* Shell command that posts sensor data to Twitter
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "contiki-net.h"
#include "cfs/cfs.h"
#include "dev/sht11.h"
#include "shell.h"
#include "twitter.h"
#include <stdio.h>
#include <string.h>
#define MAX_USERNAME_PASSWORD 32
/*---------------------------------------------------------------------------*/
PROCESS(sensortweet_process, "sensortweet");
SHELL_COMMAND(sensortweet_command,
"sensortweet",
"sensortweet <username:password>: post sensor data to Twitter",
&sensortweet_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(sensortweet_process, ev, data)
{
char message[140];
char username_password[MAX_USERNAME_PASSWORD];
int temp;
uint16_t humidity;
uint16_t battery_indicator;
int humidity_converted;
PROCESS_BEGIN();
/* Open the username/password file. */
if(data == NULL) {
PROCESS_EXIT();
}
strncpy(username_password, data, MAX_USERNAME_PASSWORD);
/* username_password[len] = 0;*/
temp = sht11_temp();
humidity = sht11_humidity();
battery_indicator = sht11_sreg() & 0x40? 1: 0;
humidity_converted = (int)(-4L + 405L * humidity / 10000L);
if(humidity_converted > 100) {
humidity_converted = 100;
}
if(humidity_converted < 0) {
humidity_converted = 0;
}
if(!battery_indicator) {
snprintf(message, sizeof(message), "Contiki #sensortweet %d.%d: Temperature %d.%d C, humidity %d%%",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
(temp / 10 - 396) / 10,
(temp / 10 - 396) % 10,
humidity_converted);
} else {
snprintf(message, sizeof(message), "Contiki #sensortweet %d.%d: Battery low",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1]);
}
twitter_post((uint8_t *)username_password, message);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_sensortweet_init(void)
{
shell_register_command(&sensortweet_command);
}
/*---------------------------------------------------------------------------*/