first commit

timer_chine.py

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+import serial
+from serial import SerialException
+import datetime
+import binascii
+import logging
+import time
+import json
+
+import re
+
+# Configuration Data (later to be put in Panel2Net.conf)
+# SerialPort: Name of RPi serial port receiving the panel data
+# SerialPort = "COM1"
+SerialPort = "COM1"
+# BaudRate: Serial port speed (Baud, Default will be adjusted later)
+BaudRate = 19200
+# PackageByTime: Time Duration until a package is closed
+# and sent off (seconds)
+PackageByTime = 0.1
+# PackageByLength*	Length (in bytes) of data input
+# until a package is closed and sent off
+PackageByLength = 128
+# PackageByLength = 256    #попробовать нужно !!!!!!!!!!!!!!!!!!!!
+# PackageByLength = 256
+
+# MaxBuffer before flushing (in order to avoid buffer overflow)
+BufferMax = 2000
+
+
+# LogFileName: Name of LogFile
+current_time = datetime.datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
+LogFileName = f"timer_megasport5_{current_time}.log"
+# LogFileSize Maximum Size of LogFile (in Mbytes)
+LogFileSize = 10
+# LogLevel	Minimum Severity Level to be logged (see severity in Logs)
+LogLevel = "E"
+
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="%(asctime)s %(levelname)s %(message)s",
+    filename=LogFileName,
+    filemode="w",
+)
+
+def hexspace(string, length):
+    return ' '.join(string[i:i+length] for i in range(0,len(string),length))
+
+ser = serial.Serial()
+ser.port = SerialPort
+ser.baudrate = BaudRate
+ser.bytesize = serial.EIGHTBITS # number of bits per bytes
+ser.parity = serial.PARITY_NONE         #  PARITY_NONE # set parity check: no parity
+ser.stopbits = serial.STOPBITS_ONE  # number of stop bits
+ser.timeout = PackageByTime # non-block read
+ser.xonxoff = False     # disable software flow control
+ser.rtscts = False       # disable hardware (RTS/CTS) flow control
+ser.dsrdtr = False      # disable hardware (DSR/DTR) flow control
+ser.writeTimeout = 0    # timeout for write
+
+while True:
+    try:
+        print("Initializing")
+        ser.close()
+        ser.open()
+        if ser.is_open:
+            try:
+                ser.reset_input_buffer()
+                # flush input buffer, discarding all its contents
+                ser.reset_output_buffer()
+                # flush output buffer, aborting current output
+                # and discard all that is in buffer
+                RequestCount = 0
+                print("Port Opening")
+                # Initialise RetryCounter
+                RetryCount = 0
+                # Initialise Variable to take remainder string
+                remainder_hex = b""
+
+                while True:
+                    # Read from Serial Interface
+                    response = ser.read(PackageByLength)
+                    # print(response)
+                    if len(response) > 0:
+                        # In case there is something coming down the serial path
+                        logging.debug(response)
+
+                        if response != b"":
+                            cdata = binascii.hexlify(response)
+                            ddata = cdata.decode("utf-8").upper()
+                            edata = hexspace(ddata, 2)
+                            temp_data = edata.split()
+                            temp_new = [int(t, 16) for t in temp_data]
+                            timer = f"{temp_new[3]}:{temp_new[2]}"
+                            seconds = temp_new[5]
+                            # milliseconds = str(temp_new[6])[0]
+                            print(len(temp_new), edata, temp_new, timer, seconds)
+
+                        
+                    else:
+                        # In case nothing is coming down the serial interface
+                        print(
+                            "\rWaiting for serial input...",
+                            end="          ",
+                            flush=True,
+                        )
+
+            # in case that the Serial Read or HTTP request fails
+            except Exception as e1:
+                print("error communicating...: " + str(e1))
+                logging.error("error communicating...: " + str(e1))
+
+        else:
+            print("Port Opening Failed... trying again in 5 seconds")
+            time.sleep(0.1)
+            ser.close()
+
+    except SerialException:
+        print("No port connected... trying again in 5 seconds")
+        time.sleep(0.1)