#!/usr/bin/env python2
# -*- coding: utf-8 -*-
"""
Created on Sun Dec  4 23:16:26 2016

@author: sheldom


mouse = file('/dev/input/mouse0')
while True:
    status, dx, dy = tuple(ord(c) for c in mouse.read(3))

    def to_signed(n):
        return n-((0x80 & n) << 1)

    dx = to_signed(dx)
    dy = to_signed(dy)
    print "%#02x %d %d" % (status, dx, dy)

    """

import struct
#import numpy as np
import time
import csv


file = open( "/dev/input/mice", "rb" );

def getMouseEvent():
  buf = file.read(3);
 # button = ord( buf[0] );
 # bLeft = button & 0x1;
 # bMiddle = ( button & 0x4 ) > 0;
 # bRight = ( button & 0x2 ) > 0;
  x,y = struct.unpack( "bb", buf[1:] );
  print ("x: %d, y: %d\n" % (x, y) );
  return int(x), int(y)
  # return stuffs

  def int_aprox_trap(f,xMin,xMax,numDiv):

    deltaX=(xMax -xMin)/float(numDiv)

    inte=(f(xMin) + f(xMax))/2.0

    k=1

    while k < numDiv:

        inte += f(xMin + k*deltaX)

        k += 1

    return inte * deltaX
i=0
lista = []
while( i<2000 ):
  i=i+1
  dx,dy=getMouseEvent();

  lista.extend([[i,dx,dy]])
  time.sleep(0.001)
  print(i)

file.close();
print(lista)

#f = open('datos.csv','w')
#f.write('i,Dx,Dy\n')
with open("output.csv", "wb") as f:
      writer = csv.writer(f)
      writer.writerows(lista)




f.close();