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#!/usr/bin/env python
import sys
import os
import serial
import time
import glob
# Creates a pyserial Serial instance
def createSerialPort(port=None, baudrate=115200, verbose=False):
if port == None:
ports = scan()
if verbose:
print(ports)
if len(ports) > 0: port = ports[0]
if port == None:
if verbose:
print("No serial ports found")
return None
if verbose:
print("Opening serial port: " + port)
#Timeout value 10" max travel, 1RPM, 20 threads/in = 200 seconds
serialport = serial.Serial(port, baudrate, timeout=200)
if verbose:
print("Serial Open?: " + str(serialport.isOpen()))
print("Baud Rate: " + str(serialport.baudrate))
return serialport
def scan():
"""scans for available ports. returns a list filenames"""
available = []
for i in range(256):
try:
s = serial.Serial(i)
available.append(s.portstr)
s.close()
except serial.SerialException, err:
pass
if sys.platform.lower() == 'darwin':
macports = glob.glob("/dev/tty.usbserial-*")
available.extend(macports);
return available
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