# Simple demo of the MAX31865 thermocouple amplifier.
# Will print the temperature every second.
import time

import machine
import adafruit_max31865


# Initialize SPI bus and sensor.
spi=machine.SPI(
                -1,
                sck=machine.Pin(14, machine.Pin.OUT),
                mosi=machine.Pin(13, machine.Pin.OUT),
                miso=machine.Pin(12, machine.Pin.OUT)
                )
spi.init(baudrate=115200, polarity=0, phase=1)
cs=machine.Pin(2)
sensor=adafruit_max31865.MAX31865(spi, cs)
# Note you can optionally provide the thermocouple RTD nominal, the reference
# resistance, and the number of wires for the sensor (2 the default, 3, or 4)
# with keyword args:
# sensor = adafruit_max31865.MAX31865(spi, cs, rtd_nominal=100, ref_resistor=430.0, wires=2)

# Main loop to print the temperature every second.
while True:
    # Read temperature.
    temp = sensor.temperature
    # Print the value.
    print("Temperature: {0:0.3f}C".format(temp))
    # Delay for a second.
    time.sleep(1.0)