#-----------------------------------------------------------------------#
# Objectives:                                                           #                                                         
#                                        #
#    - Get and print RTC-Based System time on LCD                       #
#                                                                       #
# Author: Markus Pfeil                                                  #
# Created Date: 5-12-2025                                             #
#    
# Based on a projec by Drop Bos                                          #                  #
# ----------------------------------------------------------------------#


from lcd1602 import LCD
from ds1307 import DS1307
from machine import Pin, I2C, RTC
from utime import sleep, time


print("Starting Heart...")
print("...")

# 1. set up heartbeat
led_one = Pin(5, Pin.OUT)

led_one.high()

# 2. set up I2C
i2c = I2C(0, scl = Pin(1), sda = Pin(0), freq = 100000) # default values: scl=Pin(9), sda=Pin(8), freq=400000


# 3. LCD setup
# https://toptechboy.com/lcd1602-display-library-for-micropython-and-the-raspberry-pi-pico-w/
lcd = LCD(bus = i2c)



# 4. setup rtc
# https://github.com/peter-l5/DS1307/blob/main/ds1307.py
sys_clock = DS1307(scl=Pin(7), sda=Pin(6))

print("...")


def system_time_display():

# Get time and write to LCD

    lcd.clear()   
    sys_time_now = sys_clock.datetime
    now = sys_time_now 
    lcd.write(0, 0, f"Date: {now[2]:02}-{now[1]:02}-{now[0]:0}")
    lcd.write(0, 1, f"Time: {now[3]:02}:{now[4]:02}:{now[5]:02}")

        

while True:
    #Create the 1s rythm
    system_time_display()
    led_one.low()
    sleep(0.5)
    led_one.high()
    sleep(0.5)