import serial
import sys
import os
import time
def read_temperature_from_serial(port):
try:
with serial.Serial(port, baudrate=9600, timeout=2) as ser:
# Read a line from the serial port
line = ser.readline().decode('utf-8').strip()
# Attempt to convert to a float
return float(line)
except serial.SerialException as e:
print(f"Serial error: {e}")
sys.exit(1)
except ValueError:
print("Received invalid temperature data.")
return None
def save_temperature_to_file(file_path, temperature):
# Ensure the directory exists
os.makedirs(os.path.dirname(file_path), exist_ok=True)
# Write the temperature value to the file
with open(file_path, 'w') as file:
file.write(f"{temperature:.1f}")
def main():
if len(sys.argv) != 2:
print("Usage: python3 script.py <COM_PORT>")
sys.exit(1)
com_port = sys.argv[1]
file_path = r"c:\temperature\temp.sensor"
while True:
temperature = read_temperature_from_serial(com_port)
if temperature is not None:
save_temperature_to_file(file_path, temperature)
print(f"Temperature {temperature:.1f} saved to {file_path}")
else:
print("Skipping invalid temperature reading.")
time.sleep(5)
if __name__ == "__main__":
main()
