from machine import I2C, Pin, PWM
import utime

class DS1307:
    def __init__(self, i2c):
        self.i2c = i2c
        self.address = 0x68

    def _bcd_to_dec(self, bcd):
        return (bcd // 16) * 10 + (bcd % 16)

    def _dec_to_bcd(self, dec):
        return (dec // 10) * 16 + (dec % 10)

    def get_time(self):
        try:
            data = self.i2c.readfrom_mem(self.address, 0x00, 7)
            seconds = self._bcd_to_dec(data[0])
            minutes = self._bcd_to_dec(data[1])
            hours = self._bcd_to_dec(data[2])
            day = self._bcd_to_dec(data[3])
            date = self._bcd_to_dec(data[4])
            month = self._bcd_to_dec(data[5])
            year = self._bcd_to_dec(data[6]) + 2000
            return (year, month, date, hours, minutes, seconds)
        except OSError as e:
            print(f"Error reading from DS1307: {e}")
            return None

    def set_time(self, year, month, date, day, hours, minutes, seconds):
        self.i2c.writeto_mem(self.address, 0x00, bytearray([
            self._dec_to_bcd(seconds),
            self._dec_to_bcd(minutes),
            self._dec_to_bcd(hours),
            self._dec_to_bcd(day),
            self._dec_to_bcd(date),
            self._dec_to_bcd(month),
            self._dec_to_bcd(year - 2000)
        ]))

# Initialize I2C
i2c = I2C(0, scl=Pin(1), sda=Pin(0))

# Initialize DS1307
rtc = DS1307(i2c)

# Initialize Servo Motor
servo_pin = Pin(15)
pwm = PWM(servo_pin)
pwm.freq(50)  # Standard frequency for servos

def set_servo_angle(angle):
    # Convert the angle to a duty cycle (0-1023 for 10-bit resolution)
    duty = int(500 + (angle / 180) * 2000)
    pwm.duty_u16(duty * 65535 // 1023)

while True:
    time_data = rtc.get_time()
    if time_data:
        year, month, date, hours, minutes, seconds = time_data
        print(f"{hours}:{minutes}:{seconds} {date}/{month}/{year}")

        # Check if the current time is 15:36
        if hours == 15 and minutes == 36:
            set_servo_angle(90)  # Example angle to move the servo to
            print("Servo moved to 90 degrees at 15:36")

    utime.sleep(1)