#L9c - afisare date achiztionate din sensorul
# de umiditate sol conectat la ADC1 , pin 32.
# analogici prin intermediul convertorului A/D
# Cursorul potentiometrului este conectat ADC0,  pin 31
#-------------------------------------------------- 
# LCD de tp Nokia 5110 conectat la SPI
# Utilizeaza  micropython-pcd8544_fb.py 
# Conexiuni:
#-----------------------------------------------

import pcd8544_fb
from machine import Pin, SPI
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)

cs = Pin(14, Pin.OUT)
dc = Pin(15,Pin.OUT)
rst= Pin(13,Pin.OUT)
back_light = Pin(9,Pin.OUT,value=1)
lcd=pcd8544_fb.PCD8544_FB(spi,cs,dc,rst)
led=Pin("LED", Pin.OUT)

a_sensor=machine.ADC(26)   # cursor potentiometru la pin 31
hum=machine.ADC(27)        # sensor umiditate sol
#----------------------------------------------------

while 1:
    led.off()
    s=a_sensor.read_u16()      # lectura date 16 biti
    # s=hum.read_u16()         # sensor umiditate 
    v=s*3.3/67780              # valoare in volti calibrata
    lcd.fill(0)                # clear dsplay Nokia 5110
    sleep(0.5)  

    lcd.text("SM9 - 2025 ",2,0,1)     # afisare linia 9, col. 0, 1=vizibil
    
    lcd.text("Humidity ",0,18,1)   # afisare col. 19
    lcd.text("   Sensor:",0,27,1) 
    #lcd.text(str(v),10,40,1)         # afisare numar
    lcd.text(str('{:.2f}'.format(v)),2  5,40,1) # afisare cu 2 zecimale 
    lcd.clear()                        
    lcd.show()                          # actualizare display
    led.on()
    sleep(0.5)