import serial                                         # import Serial Library
import numpy as np                                    # Import numpy
import adafruit_max31856
import matplotlib.pyplot as plt                       #import matplotlib library
from drawnow import *
import datetime
import math
import csv


Temp1= []
Temp2=[]
plt.ion()
cnt=0

def makeFig(): #Create a function that makes our desired plot
    #plt.ylim(80,90)                                 #Set y min and max values
    plt.title('My Super Beautiful Live Streaming Sensor Data :-)')      #Plot the title
    plt.grid(True)                                  #Turn the grid on
    plt.ylabel('Temperature')                         #Set ylabels
    plt.plot(Temp1, 'ro-',label='Temp1')       #plot the temperature
    plt.plot(Temp2, 'b^-',label='Temp2')
    plt.legend(loc='upper left')                    #plot the legend

plt.show()

## user-defined params

serialPort = 'COM3'      ## the serial device
path = 'C:\\Users\\Alphinity\\Desktop\\python3\\'             ## the output file path
outputFile = "signalSerial.csv"  ## the output file name


ser = serial.Serial('COM3', 115200)
outputFile = path + outputFile


f = open(outputFile,'w')            #create and/or open a file and give the command to write the informations
f.write(outputFile)                 #write inside the file created
f.close()

print ("Writing the serial stream into file: " + outputFile)
print (" [to see the stream: tail -f '+outputFile+' ]")
print (" [to exit: ctrl+c (the elegant way :) ]")

while True:                               # While loop that loops forever
    line = ser.readline()
    string = line
    Temp1.append(string[0])                      #Build our tempF array by appending temp readings
    Temp2.append(string[1])
    drawnow(makeFig)
    plt.pause(.000001)
    cnt=cnt+1
    if(cnt>50):                            #If you have 50 or more points, delete the first one from the array
        Temp1.pop(0)                       #This allows us to just see the last 50 data points
        #Temp2.pop(0)
    if (string != ''):
      f = open(outputFile, 'a')
      f.write(str(string))
      f.write("\n")
      f.close()
      print(string.decode())               ## ctrl+c to stop the code

valueRead.decode().strip()