#!/usr/bin/env python3
########################################################################
# Filename    : I2CLCD1602.py
# Description : Use the LCD display data
# Author      : freenove
# modification: 2018/08/03
########################################################################
from PCF8574 import PCF8574_GPIO
from Adafruit_LCD1602 import Adafruit_CharLCD
from time import sleep, strftime
from datetime import datetime
import RPi.GPIO as GPIO
import time
#from os import path
import os
GPIO.setmode(GPIO.BCM)
jecris = 0
LEDV = 17
#LEDR = 13
INPT = 18
INPT2 = 23
from datetime import datetime
datetime.now()
GPIO.setwarnings(False)
appui = True
tutu=0
global tito
tito=("eee")
global titoa
titoa=("eee")
now = datetime.now()
PCF8574_address = 0x27  # I2C address of the PCF8574 chip.
PCF8574A_address = 0x3F  # I2C address of the PCF8574A chip.
# Create PCF8574 GPIO adapter.

if os.path.isfile('/media/pi/8Elise/MonFichier.txt') == False :
  f = open('/media/pi/8Elise/MonFichier.txt','w')
  
def temp_ref1() :
   now = datetime.now()
   heure = now.strftime('%Y-%m-%d %H:%M:%S.%f')
   virgule()
   global secon_ref1
   secon_ref1 = (int (now.strftime('%M') )* 60)+(int (now.strftime('%S')))+tutu
   print (secon_ref1)
   print (heure)
def temp_ref2() :
   now = datetime.now()
   heure = now.strftime('%Y-%m-%d %H:%M:%S.%f')
   virgule()
   global secon_ref2
   secon_ref2 = (int (now.strftime('%M') )* 60)+(int (now.strftime('%S')))+tutu
   print (secon_ref2)
   print (heure)
def temp_ecoul1() :
 
   now = datetime.now()
 
   heure = now.strftime('%Y-%m-%d %H:%M:%S.%f')
   virgule()

   global seco1
   
   seco1 = (int (now.strftime('%M') )* 60)+(int (now.strftime('%S')))+tutu
      
   print (seco1)
   print (heure)

def temp_ecoul2() :   
   
   now = datetime.now()
   heure = now.strftime('%Y-%m-%d %H:%M:%S.%f')
   virgule()
   global seco2
 
   print (seco2)
   print (heure)
   
def jecri() :
    global f
    f = open('/media/pi/8Elise/MonFichier.txt','a')
    
    jecris = 0
    f.write(tito +'\n')   

  
def virgule():
   now = datetime.now()
   toto = now.strftime('%S.%f')
   print(now.strftime('%S.%f'))
   titi = int( (toto[3:9]))
   global tutu
   tutu=titi/1000000
   print (tutu)
  
 
def get_cpu_temp():     # get CPU temperature and store it into file "/sys/class/thermal/thermal_zone0/temp"
    tmp = open('/sys/class/thermal/thermal_zone0/temp')
    cpu = tmp.read()
    tmp.close()
    return '{:.2f}'.format( float(cpu)/1000 ) + ' C'
 
def get_time_now():     # get system time
    return datetime.now().strftime('    %H:%M:%S')
    
def loop():
    mcp.output(3,1)     # turn on LCD backlight
    lcd.begin(16,2)     # set number of LCD lines and columns
    global titoa
    while titoa == ('eee'):         
        #lcd.clear()
        lcd.setCursor(0,0)  # set cursor position
        lcd.message( 'CPU: ' + get_cpu_temp()+'    '+'\n' )# display CPU temperature
        lcd.message( get_time_now() )   # display the time
        sleep(1)
        
        lcd.setCursor(0,0)  # set cursor position
        #lcd.message( 'ce que je veux'+'\n' )# display CPU temperature
        lcd.message( str((3600/(seco1-secon_ref1)))+'\n' )# display CPU temperature
        lcd.message( get_time_now() )   # display the time
        sleep(1)
        titoa = ('rrr')
def destroy():
    lcd.clear()

virgule()

secon_ref1 = (int (now.strftime('%M') )* 60)+(int (now.strftime('%S')))+tutu
secon_ref2 = secon_ref1
seco1      = secon_ref1
seco2      = secon_ref1

temp_ref1()
temp_ref2()
print('robert')

jecri()

GPIO.setup(LEDV, GPIO.OUT)
GPIO.output(LEDV, False)

GPIO.setup(INPT,  GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(INPT2, GPIO.IN, pull_up_down=GPIO.PUD_UP)
COMPTEUR1 = 0
COMPTEUR2 = 0

try:
    mcp = PCF8574_GPIO(PCF8574_address)
except:
    try:
     mcp = PCF8574_GPIO(PCF8574A_address)
    except:
         print ('I2C Address Error !')
         exit(1)
         
lcd = Adafruit_CharLCD(pin_rs=0, pin_e=2, pins_db=[4,5,6,7], GPIO=mcp)

loop()

while appui:
  if GPIO.input(INPT)==0:
     
     temp_ecoul1()
    
     COMPTEUR1 += 1
     print (str(COMPTEUR1)+" 1 ")
     print(" watt produit : " + str((3600/(seco1-secon_ref1))))
     f.write(" watt produit : "+str((3600/(seco1-secon_ref1)))+'\n')
     loop()
     time.sleep(0.36)
     temp_ref1()
     jecris += 1
     if (jecris > 10):
        f.close()
        jecri()
     titoa = ('eee')
    
     #appui = False
     #loop()
    
# Create LCD, passing in MCP GPIO adapter.
     
     
  if GPIO.input(INPT2)==0:
     temp_ecoul2()
     COMPTEUR2 += 1
     print (str(COMPTEUR2) +" 2 ")
     print(" watt conso : "+str((3600/(seco2-secon_ref2))))
    
     tito =" watt conso : "+str(round(3600/(seco2-secon_ref2),2))
     time.sleep(0.36)
     temp_ref2()
     jecris +=1
     if (jecris >10):
         
        f.close()
        jecri()
     titoa = ('eee')
    # f.close()
if __name__ == '__main__':
    print ('Program is starting ... ')
    try:
        loop()
    except KeyboardInterrupt:
        destroy()