main.py

"""
recieves measurements from arduino and sends it to pi,
also controls relay for lamp
"""
import socket
from time import sleep
from machine import Pin, UART
import uos
from ntptime import settime
import utime

PI_IP = '192.168.178.3'
NUM_PLANTS = 3

light_pin = Pin(5, Pin.OUT)
light_pin.off()

uos.dupterm(None, 1)
uart = UART(0, 9600)
uart.init(9600, bits=8, parity=None, stop=1, timeout=1800000)

count = 0
while True:
    try:
        if not count:
            print('set time')
            settime()
    except:
        print('no time available')
    print('localtime ', utime.localtime()[3])
    if (utime.localtime()[3] >= 18 or utime.localtime()[3] <= 1):

        light_pin.off()
        print('light on')
    else:
        light_pin.on()
        print('light off')

    if not count % 30:
        for i in range(NUM_PLANTS):
            try:
                val = uart.readline()
                val = val.decode()
                print('val ', val)
            except:
                print('no data')
                val = -1
            if val != -1:
                soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                try:
                    print('trying')
                    soc.connect((PI_IP, 1234))
                    print('connected')
                    soc.send(val)
                    print('send')
                except:
                    print('connection failed')
                soc.close()
    count += 1
    print(count)
    count %= 1440
    sleep(1)