import machine
import onewire
import ds18x20
from tm1637 import TM1637
import utime

# Initialize DS18B20 sensor
pin_data = machine.Pin(18)  # Data pin connected to GP7
ow = onewire.OneWire(pin_data)
temp_sensor = ds18x20.DS18X20(ow)
sensors = temp_sensor.scan()

# Initialize TM1637 display
tm = TM1637(clk=machine.Pin(16), dio=machine.Pin(17))



# DS18B20


tm.scroll("Starting", delay=200)
utime.sleep_ms(1)
tm.show('    ')

def read_temperature():
    # Start temperature conversion
    temp_sensor.convert_temp()

    # Wait for conversion to complete
    utime.sleep_ms(750)

    print(temp_sensor.read_temp(sensors[0]))
    # Read temperature
    return temp_sensor.read_temp(sensors[0])


def display_temperature(temp_celsius):
    try:
        # Convert temperature to integer (remove decimal point)
        temp_int = int(temp_celsius)

        # Convert temperature to string and add " C"
        temp_str = "{}".format(temp_int)

        # Display temperature on TM1637
        tm.write([0, 0, 0, 0])  # Clear previous display
        tm.temperature(temp_int)
        # tm.show(temp_str)  # Scroll temperature value
   
    except Exception as e:
        print("Error displaying temperature:", e)


try:
    while True:
        # Read temperature from DS18B20
        temperature_celsius = read_temperature()

        # Display temperature on TM1637
        display_temperature(temperature_celsius)

except KeyboardInterrupt:
    print("\nMeasurement stopped.")