Arduino GMail Notification

multi_servo.ino

#include <Servo.h> 
 
int led = 13, override = HIGH;
int OVERRIDE_PIN = 2;
const int SERVO_COUNT = 2;
Servo servoArray[SERVO_COUNT];
int servoPins[SERVO_COUNT] = {9,10};
int servoStates[SERVO_COUNT] = {270,10};
 
void blink(int duration, int repeat) {
  for (int i = 0; i < repeat; i++) {  
    digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay(duration);
    digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
    delay(2*duration);
  }
}

int convertInt(String s) {
  char floatbuf[32]; // make this at least big enough for the whole string
  s.toCharArray(floatbuf, sizeof(floatbuf));
  int i = atoi(floatbuf);
  return i;
}
 
void setup() {
  blink(200, 3); //start
  Serial.begin(9600);
  // while the serial stream is not open, do nothing:
  while (!Serial);
 
  // Ready the servos
  for (int i=0;i<SERVO_COUNT;i++) {
    servoArray[i].attach(servoPins[i]);
    delay(200);
    servoArray[i].write(servoStates[i]);
  }
  delay(200);
  // Set up the override pin
  delay(1000);
  digitalWrite(OVERRIDE_PIN, HIGH);
  blink(200, 2); //ready
}
 
String servoIdStr, stateStr;
 
void loop() {
  if(Serial.available() > 0) {
    for (int i=0;i<SERVO_COUNT;i++) {
      servoIdStr = Serial.readStringUntil(':');
      if (i == SERVO_COUNT-1) {
        stateStr = Serial.readStringUntil('\n');
      } else {
        stateStr = Serial.readStringUntil(',');
      }
      servoIdStr.trim();
      stateStr.trim();
      int servoId = servoIdStr.toInt(), state = stateStr.toInt();
      if (servoStates[servoId] != state) {
        servoArray[servoId].write(state);
        servoStates[servoId] = state;
      }
    }
  } else {
    blink(200, 1);
  }
}

notify.py

#!/usr/bin/python
 
from optparse import OptionParser
import serial
import feedparser
import time

mailboxes = {
    "junk": {
        "username":"",
        "password":"",
        "servo": "1",
        "init": "10", # servo acting weirdly at 0 and 180
        "raised": "90"
    },
    "work": {
        "username":"",
        "password":"",
        "servo": "0",
        "init": "270",
        "raised": "90"
    }
}

server="mail.google.com"
path="/gmail/feed/atom/important"
 
HALFWAY = 90
INIT = 270
 
def write(message):
    ser = serial.Serial("/dev/ttyACM0", 9600, timeout=1)
    try:
        ser.write(message)
    finally:
        ser.close()

def main():
    message_parts = []
    for key, value in mailboxes.iteritems():
        email = feedparser.parse("https://" + value["username"] + ":" + value["password"] + "@" + server + path)
        entries = email.entries
        if entries:
            print "got mail", value["username"]
            message_parts.append(value["servo"] + ":" + value["raised"])
        else:
            message_parts.append(value["servo"] + ":" + value["init"])
    write(",".join(message_parts))

if __name__ == '__main__':
    print 'Mail Notifier v1'
    parser = OptionParser()
    parser.add_option("-m", "--message", dest="message")
    (options, args) = parser.parse_args()
    if not options.message:
        while True:
            main()
            time.sleep(15)
    else:
        write(options.message)