#!/usr/bin/env python

import sys
import serial
import time

class CambridgeCLI:
	"""This is the CLI for the CambridgeAudio Controller"""

	# Open serial port for read/write later
	ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=1)

	def __init__(self):
		#Debuggering the serial
		print self.ser
		#Just to be sure...
		self.ser.flushInput()

	def vol_amp_up(self):
		self.ser.write ("#1,02\r")
		time.sleep (0.1)
		self.ser.write ("#1,02\r")
		time.sleep (0.1)
		self.ser.write ("#1,02\r")
		time.sleep (0.1)
		self.ser.write ("#1,02\r")
		time.sleep (0.1)
		self.ser.write ("#1,02\r")

	def vol_amp_down(self):
		self.ser.write ("#1,03\r")
		time.sleep (0.1)
	        self.ser.write ("#1,03\r")
        	time.sleep (0.1)
	        self.ser.write ("#1,03\r")
	        time.sleep (0.1)
	        self.ser.write ("#1,03\r")
	        time.sleep (0.1)
	        self.ser.write ("#1,03\r")

	def vol_amp_mute (self):
		self.ser.write ("#1,11,01\r")

	def amp_off (self):
		self.ser.write ("#1,01,0\r")

	def amp_on (self):
		self.ser.write ("#1,01,1\r")

if __name__ == "__main__":
	mainstuff = CambridgeCLI ()
	if sys.argv[1] == "up":
		mainstuff.vol_amp_up ()
	elif sys.argv[1] == "down":
		mainstuff.vol_amp_down ()
	elif sys.argv[1] == "off":
		mainstuff.amp_off ()
	elif sys.argv[1] == "on":
		mainstuff.amp_on ()
	else:
		mainstuff.vol_amp_mute ()