pressurama-pc.py

import serial, os, sys, datetime
outfile = open("out.csv", "a")
# port = ""
# usb_count = 0
# devices = os.listdir("/dev")
# for device in devices:
#     if "cu.usbmodem" in device:
#         port = device
#         usb_count += 1
# if usb_count == 0:
#     sys.exit("No port found")
# if usb_count > 1:
#     sys.exit("Multiple ports found")
# port = "/dev/" + port
port = "COM3"
data = []
ser = serial.Serial(port, 2000000)
ser.flush()
while True:
    s = ser.readline().decode("utf-8")
    if s.startswith("X") and s.strip().endswith("Y") and \
    s.count("X") == 1 and s.count("Y") == 1 and \
    s.count(" ") == 9 and s.count(":") == 8:
        print(ser.inWaiting(), datetime.datetime.now().isoformat(), end="\t")
        outfile.write(datetime.datetime.now().isoformat())
        tokens = s.split(" ")
        for token in tokens:
            if ":" in token:
                channel = int(token.split(":")[0])
                measurement = float(token.split(":")[1])
                print("%0.1f\t" % (measurement), end="")
                outfile.write("," + str(measurement))
        print()
        outfile.write("\n")
        # outfile.flush()
        # os.fsync(outfile)