arduinoReaderTest.py

import serial
import random
import time
import string

# Change timeout so we can quickly see what's wrong
arduino = serial.Serial(port='/dev/cu.usbserial-A600egLQ', baudrate=115200, timeout=0.1)

print "Connected:", arduino.isOpen()

testList = []
c = 0
while (c < 10):
    a = random.randint(50,150)
    testList.append(a)
    c+=1

# Length will be 9 always (c<10 determines how many items we have)
length = len(testList)
points = 20
writeString = str(length) + str(testList) + str(points)

print "Writing this string:", writeString

arduino.write(writeString)
d = 0
dataList = []
while (d < points):
    readIn = arduino.readline()
    # Print the actual string we get - maybe we don't get \r\n at the end
    print repr(readIn)
    point = string.translate(readIn, None, deletions='\r\n')

    print point
    dataList.append(point)
    
    d+=1

arduino.close()
maximum = max(dataList)
print 'The Maximum point returned is:', maximum