#Pico Geiger Nuclear GSM  Alert
#La Pico W este conectat sensorul de radiatii nucleare Pocket Geiger,
#LCD de ip Nokia 5110, modul GSM de SIM800L EVB modificat.
#Conexiuni la Pico board cu numerotare conector fizic :
#Pocket Geiger -2 (GP1)
#GSM:
#Tx - 7 (GP5)
#Rx - 6 (GP4)
#Nokia LCD:
#RST -17 (GP13)
#CE   -19 (GP14)
#DC   -20 (GP15)
#DIN -15  (GP11)
#ClK  -14 (GP10)
#Vcc -36
#GND -38
#BL  -12
#LED green -21
#LED red -9


import pcd8544_fb  # Lib for Nokia 5110
from machine import Pin, SPI, UART
from utime import sleep

spi=SPI(1)  # implicit foloseste sck-GP10, mosi-GP11
            # miso -GP8, baud=1900000,
spi.init(baudrate=1000000,polarity=0,phase=0)
ser = UART(1,9600)   # Pico Tx este la pin6, Rx la pin 7
                     # Am conectat si Rx pentru ser.read()
cs = Pin(14, Pin.OUT) #Nokia cs
dc = Pin(15,Pin.OUT)  #Nokia dc
rst= Pin(13,Pin.OUT)  #Nokia rst
back_light = Pin(9,Pin.OUT,value=1) #Nokia bl
lcd=pcd8544_fb.PCD8544_FB(spi,cs,dc,rst)


ledred = Pin(6, Pin.OUT)      # pin 9
ledgreen= Pin(16, Pin.OUT)    # pin 21

geiger=Pin(1,Pin.IN,Pin.PULL_UP) # pocket geiger

global a                 # contor pulsuri Geiger a=0 
a=0
def numar(pin):            # contor pulsuri gama
	sleep(0.001)
	global a 
        a=a+1              # incrementare contor pulsuri
	ledred.off()       # aprind led/sun 
	sleep(0.1)
	ledred.on()        # sting led 
	
geiger.irq(trigger=Pin.IRQ_RISING, handler=numar)  # intrerupere

def sendsms():
	ser.write("AT\r\n")        # initializare GSM modem
	sleep(0.5)
	ser.write("AT+CMGF=1\r\n") # mod lucru SMS
	sleep(0.5)
	ser.write("AT+CMGS=\"+40746831351\"\r\n") # numar telefon
	sleep(0.3)
	ser.write("La Barnova nivelul radiatiilor gama este normal") # mesaj
	sleep(0.3)
	ser.write(chr(26))  # send SMS
	sleep(0.2)

while 1 :
	global a
	#a=a+1
	if a>10 :           # depasire nivel natural
		sendsms()   # send SMS
		a=0         # clear contor
	lcd.fill(0)         # clear dsplay Nokia 5110
 	sleep(0.6)  
	lcd.text("Gamma Ray:",0,0,1) # afisare header
	lcd.text(str(a),0,30,1)      # afisare ni