import serial,time

# Can be Downloaded from this Link
# https://pypi.python.org/pypi/pyserial

# Global Variables
ser = 0


# Function to Initialize the Serial Port
def init_serial():
    COMNUM = 3  # Enter Your COM Port Number Here.
    global ser  # Must be declared in Each Function
    ser = serial.Serial()
    ser.baudrate = 9600
    ser.port = COMNUM -1  # COM Port Name Start from 0

    # ser.port = '/dev/ttyUSB0' #If Using Linux

    # Specify the TimeOut in seconds, so that SerialPort
    # Doesn't hangs
    ser.timeout = 1
    ser.open()  # Opens SerialPort

    # print port open or closed
    if ser.isOpen():
        print 'Open: ' + ser.portstr


# Function Ends Here


# Call the Serial Initilization Function, Main Program Starts from here
init_serial()

temp = ['AT+CWMODE=2\r']
for x in temp:
   # temp2=temp[x]
    ser.flushInput()
    ser.write(x)# Writes to the SerialPort
    print ('command sent'+ x)
    #y= ser.In_waiting
    #print(y)
    time.sleep(2)
    ser.flushOutput()
    if (ser.isOpen()):
        bytes = ser.readline() # Read from Serial Port
        print(bytes)  # Print What is Read from Port
'''cmd2= "AT+CWMODE=1\r"
ser.write(cmd2)
if (ser.isOpen()):
    bytes = ser.readline()  # Read from Serial Port
    print(bytes)  # Print What is Read from Port
cmd3 = "AT+CWMODE?\r"
ser.write(cmd3)'''
if (ser.isOpen()):
    bytes = ser.readline()  # Read from Serial Port
    print(bytes)  # Print What is Read from Port

    # Ctrl+C to Close Python Window