from abstract_instrument import abstract_instrument
  import socket
  
  #==============================================================================
  
  ALL_VAL_TYPE = ['PWR_MKR1']
  ALL_CHANNELS = ['1']
  
  ADDRESS = "192.168.0.17"
  CONF_VAL_TYPE = ['CALC:MARK1:MAX:PEAK']
  
  #==============================================================================
  
  class FPC1000(abstract_instrument):
  	def __init__(self, channels, vtypes, address):
  		self.address = address
  		self.port = 5555
  		self.channels = channels
  		self.vtypes = vtypes
  
  	def model(self):
  		#self.send("*IDN?")
  		#return self.read()
  		return "FPC1000"
  
  	def connect(self):
  		print('Connecting to device @%s:%s...' %(self.address, self.port))
  		self.sock = socket.socket(socket.AF_INET,
  							 socket.SOCK_STREAM,
  							 socket.IPPROTO_TCP)
  		self.sock.settimeout(10.0)	# Don't hang around forever
  		self.sock.connect((self.address, self.port))
  		#self.send("SYST:BEEP")
  		print('  --> Ok')
  		print(self.model())
  		self.configure()
  
  	def configure(self):
  		for ch in self.channels:
  			self.send(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])])
  
  	def getValue(self):
  		mes = ''
  		for ch in self.channels:
  			self.send('CALC:MARK1:MAX:PEAK')
  			self.send("CALC:MARK1:Y?")
  			mesTemp = self.read()
  			mes = mes + '\t' + mesTemp
  		return mes
  
  	def read(self):
  		ans = ''
  		nb_data_list = []
  		nb_data = ''
  		try:
  			while ans != '
  ':
  				ans = self.sock.recv(1)
  				nb_data_list.append(ans) # Return the number of data
  			list_size = len(nb_data_list)
  			for j in range (0, list_size):
  				nb_data = nb_data+nb_data_list[j]
  			return nb_data
  		except socket.timeout:
  			print "Socket timeout error when reading."
  			raise
  
  	def disconnect(self):
  		#self.send('*RST')
  		#self.send("SYST:BEEP")
  		self.sock.close()
  
  	def send(self, command):
  		self.sock.send("%s
  "%command)