import serial
import logging

import modbus_tk
import modbus_tk.defines as cst
from modbus_tk import modbus_rtu

class inst_temp:
	def __init__(self,com,band):
		#self.logger = modbus_tk.utils.create_logger("dummy")
		self.logger = logging.getLogger("modbus_tk")
		if not self.logger.handlers:
			self.logger = modbus_tk.utils.create_logger("console")
		#self.ser = serial.Serial(com,band,bytesize=8, parity='N', stopbits=1)
		try:
			self.master = modbus_rtu.RtuMaster(
					serial.Serial(com, band, bytesize=8, parity='N', stopbits=1)
				)
			self.master.set_timeout(5.0)
			self.master.set_verbose(True)
			self.logger.info("connected")
			print("*-----------------------------*")
			print("* TEMP Connected.             *")
		except modbus_tk.modbus.ModbusError as exc:
			self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
	
	def temp_on(self):
		try:
			self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 212, output_value=256))
			self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 1200, output_value=256))
		except modbus_tk.modbus.ModbusError as exc:
			self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
		print("temp on")
	
	def temp_off(self):
		try:
			self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 212, output_value=256))
			self.logger.info(self.master.execute(1, cst.WRITE_SINGLE_COIL, 1200, output_value=0))
		except modbus_tk.modbus.ModbusError as exc:
			self.logger.error("%s- Code=%d", exc, exc.get_exception_code())
		print("temp off")
		
	def read_temp(self):
		print("read temp")

	def write_temp(self,temp):
		print("write temp")

	def temp_close(self):
		self.master.close()
		print("* TEMP unConnected.           *")
		print("*-----------------------------*")