# Program test achizitie date de la tub Geiger Muller si afisare
# integrala suma nr.  pulsuri.
# Pulsurile genereaza intreruperi  la pin 11.
# LCD cu interfata I2C este conectat la pinii 3 si 5.
# La pin 37 este conectat LED de pe panou.

import lcddriver
import  time
import RPi.GPIO as GPIO

 
lcd = lcddriver.lcd() 
lcd.lcd_clear() 

#lcd.lcd_display_string("Cu Tine", 2)

GPIO.setmode(GPIO.BOARD) 
GPIO.setup(37, GPIO.OUT) # led test control 
GPIO.output(37, 1)       # sting led panou 
GPIO.setup(13, GPIO.IN, pull_up_down=GPIO.PUD_UP) # sursa int 

a="global"                 # contor pulsuri Geiger a=0 
a=0
def intr(chanel):
	global a 
        a=a+1              # incrementare contor pulsuri
	GPIO.output(37, 0) # aprind led test time.sleep(0.05) 
	time.sleep(0.01)
	GPIO.output(37, 1) # sting led 
#	a=a+1              # incrementare contor pulsuri Geiger

GPIO.add_event_detect(13, GPIO.FALLING, callback=intr, bouncetime=50) #ms 

lcd.lcd_display_string(" IFT-UTI-ICDA ",1) 


while 1:
	time.sleep(1)      # interval de masurare print("Astept 2 
#	lcd.lcd_clear() 

	lcd.lcd_display_string("Gama Ray:      ",2)    # sterg a
#	lcd.lcd_display_string("Gama Ray:"+str(round(a*3.14,3)),2)    # formatare
	lcd.lcd_display_string("Gama Ray: "+str(a),2)    # formatare

#	a=0