twitterのリプライをArduinoで通知してみた

mention.rb

#!/usr/bin/env ruby
# encoding : utf-8

require 'userstream'
require 'yaml'
require 'serialport'

sp = SerialPort.new("/dev/ttyACM0", 9600, 8, 1, SerialPort::NONE)

stream_config = YAML.load_file(File.expand_path(File.dirname(__FILE__) + '/config.yml'))
UserStream.configure do |config|
  config.consumer_key = stream_config[:consumer_key]
  config.consumer_secret = stream_config[:consumer_secret]
  config.oauth_token = stream_config[:oauth_token]
  config.oauth_token_secret = stream_config[:oauth_token_secret]
end

client = UserStream.client
client.user do |status|
  if status.has_key? "text"
    if status.in_reply_to_screen_name == "nefo_mi"
      sp.puts "@#{status.user.screen_name} "
    end
  end
end
sp.close 

twitter_notification.c

#include <LiquidCrystal.h>
int incomingByte;
char inByte;
String inMsg;
boolean led;
int light;
LiquidCrystal lcd(7,8,9,10,11,12,13);

void setup()
{
  lcd.begin(2, 16);
  lcd.clear();
  lcd.print("Twitter Mention");

  lcd.setCursor(0, 1);
  lcd.print("Notification");
  Serial.begin(9600);
  Serial.println("setupDone");
 
  led = false;
  light = 0; 
}

void loop()
{
  if (Serial.available() > 0) {
    inByte = Serial.read();
    if((inByte >= 65 && inByte <= 90) || (inByte >= 97 && inByte <= 122) 
        || (inByte >= 48 && inByte <= 57) || (inByte == 64) || (inByte == 95)){
      inMsg.concat(inByte);
    }
  
    if (inByte == 10 || inByte == 13){
      inByte = 0;
      lcd.clear();
      lcd.print(inMsg);
      inMsg = "";
      led = true;
      light = 0;
    }
  }
  
  if (led){
    if (light % 2 == 0){
      digitalWrite(5, HIGH);
      digitalWrite(6, LOW);
    }else{    
      digitalWrite(5, LOW);
      digitalWrite(6, HIGH);
    }
    
    delay(500);
    
    if(++light >= 100){
      led = false;
      digitalWrite(5, LOW);
      digitalWrite(6, LOW);
    }
  }
}