#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue May  5 14:52:57 2020

@author: nits
"""

import minimalmodbus
import time

import configfile
conf = configfile.Configuration()
import Adafruit_BBIO.UART as UART
from datetime import datetime


class WindSensor():

    def __init__(self): #initialise network connection and parameters
        conf = configfile.Configuration()
        UART.setup(conf.uart)
            
        self.inst = minimalmodbus.Instrument(conf.port_name, conf.slave_address)  # port name, slave address (in decimal)
        self.inst.serial.baudrate = conf.baudrate         # Baud
        self.inst.serial.parity   = conf.parity
        self.inst.serial.stopbits = conf.stopbits
        self.inst.mode = conf.mode
        self.inst.close_port_after_each_call=conf.close_port_after_each_call
        self.inst.debug=conf.debug_serial
        self.inst.serial.timeout = conf.timeout
        self.inst.handle_local_echo = conf.handle_local_echo
        self.error=0
        self.errorcounter = 0
        self.cyclecounter = 0 
     
    
    
    #read temperature from sensor
    def readTemp(self):
        try:
            temp = self.inst.read_long(30405,4,True)/10
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
            #time.sleep(0.1)
            return 0
        return temp
    
    #read speed from sensor
    def readWindSpeed(self):
        try:
            temp = self.inst.read_long(30003,4,False)/10
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
            self.error=1
            
            return 0
        return temp
    #read wind direction from sensor        
    def readWindDirection(self):
        try:
            temp = self.inst.read_long(30203,4,False)/10
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
           # time.sleep(0.1)
            error=1
            
            return 0
        return temp
        
    #read date and time from sensor  
    def readDateTime(self):
        try:
             date = self.inst.read_long(34601,4,False)
             uhr = self.inst.read_long(34603,4,False)
             date_time = datetime.strptime(str(date)+str(uhr), '%Y%m%d%H%M%S');
             date_info=date_time.strftime('%Y-%m-%d %H:%M:%S');
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
            return ""
        return date_info
    
    #read compass angle from sensor    
    def readCompassAngle(self):
        try:
            temp = self.inst.read_long(35081,4,False)/10
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
          
            error=1
            return 0
            
        return temp
    #function to read parameter
    def readP(self,address):
        try:
            param = self.inst.read_long(address,3,False)
            print("The value of the address ",address,"is: ",param)
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
          
            error=1
            return 0
            
    #function to set parameter
    def setP(self,address,value):
        try:
            param = self.inst.write_register(address,value,functioncode=16)
            print("The value of the address ",address,"has been changed to: ",value)
        except Exception as error:
            print ("[!] Exception occurred: ", error)
            self.errorcounter = self.errorcounter + 1
          
            error=1
            return 0
        return 1