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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "0f12f0b2", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import socket\n", | ||
| "import logging\n", | ||
| "import struct" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "729f2f52", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "UDP_IP = \"\" #CAN to Ethernet device (program this with Arduino)\n", | ||
| "UDP_PORT = 9101 # This is specified in the CAN2Ethernet Arduino Sketch\n", | ||
| "rxSocket = socket.socket(socket.AF_INET, #Internet\n", | ||
| " socket.SOCK_DGRAM) #UDP \n", | ||
| "rxSocket.bind((UDP_IP,UDP_PORT))" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "836fb6ec", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "#logging.basicConfig(filename='can_data.txt', filemode='w', level=logging.DEBUG)\n", | ||
| "\n", | ||
| "logger = logging.getLogger(__name__)\n", | ||
| "for h in logger.handlers:\n", | ||
| " logger.removeHandler(h)\n", | ||
| "logger.setLevel(logging.INFO)\n", | ||
| "fh = logging.handlers.RotatingFileHandler('can_data.txt',mode='w',maxBytes=100000000,backupCount=999)\n", | ||
| "fh.setLevel(logging.INFO)\n", | ||
| "formatter = logging.Formatter('%(message)s')\n", | ||
| "fh.setFormatter(formatter)\n", | ||
| "logger.addHandler(fh)\n", | ||
| "logger.handlers" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "4e76fecd", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "\n", | ||
| "for i in range(500):\n", | ||
| " data,addr = rxSocket.recvfrom(1500) \n", | ||
| " message_format = data[0]\n", | ||
| " udp_tx_count = struct.unpack(\"<L\",data[1:5])[0]\n", | ||
| " can_rx_count = struct.unpack(\"<L\",data[5:9])[0]\n", | ||
| " device_msg_time_sec = struct.unpack(\"<L\",data[9:13])[0]\n", | ||
| " print(message_format, udp_tx_count, can_rx_count, device_msg_time_sec)\n", | ||
| " for msg_start in range(13,len(data),19):\n", | ||
| " \n", | ||
| " i = msg_start\n", | ||
| " channel = data[i]\n", | ||
| " if channel !=0:\n", | ||
| " break\n", | ||
| " i+=1\n", | ||
| " micros = struct.unpack(\"<L\",data[i:i+3]+b'\\x00')[0]\n", | ||
| " i+=3\n", | ||
| " can_controller_time = struct.unpack(\"<H\",data[i:i+2])[0]\n", | ||
| " i+=2\n", | ||
| " can_id = struct.unpack(\"<L\",data[i:i+4])[0]\n", | ||
| " i+=4\n", | ||
| " can_len = data[i]\n", | ||
| " i+=1\n", | ||
| " data_string=\"\".join([\"{:02X}\".format(b) for b in data[i:i+can_len]])\n", | ||
| " \n", | ||
| " if micros>=1000000:\n", | ||
| " device_msg_time_sec+=1\n", | ||
| " micros-=1000000\n", | ||
| " \n", | ||
| " #print('\\t',channel,micros,can_controller_time,\"{:08X}\".format(can_id),can_len,data_string)\n", | ||
| " logger.info(\"({}.{:06d}) can{} {:08X}#{}\".format(device_msg_time_sec,micros,channel,can_id,data_string))" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "d13c5531", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "\"use" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "1c07b7d9", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python 3 (ipykernel)", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.8.10" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 5 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| import socket | ||
| import logging | ||
| import logging.handlers | ||
| import struct | ||
| UDP_IP = "" #CAN to Ethernet device (program this with Arduino) | ||
| UDP_PORT = 9101 # This is specified in the CAN2Ethernet Arduino Sketch | ||
| rxSocket = socket.socket(socket.AF_INET, #Internet | ||
| socket.SOCK_DGRAM) #UDP | ||
| rxSocket.bind((UDP_IP,UDP_PORT)) | ||
|
|
||
| logger = logging.getLogger(__name__) | ||
| for h in logger.handlers: | ||
| logger.removeHandler(h) | ||
| logger.setLevel(logging.INFO) | ||
| fh = logging.handlers.RotatingFileHandler('can_data.txt',mode='w',maxBytes=100000000,backupCount=999) | ||
| fh.setLevel(logging.INFO) | ||
| formatter = logging.Formatter('%(message)s') | ||
| fh.setFormatter(formatter) | ||
| logger.addHandler(fh) | ||
|
|
||
|
|
||
| while True: | ||
| data,addr = rxSocket.recvfrom(1500) | ||
| message_format = data[0] | ||
| udp_tx_count = struct.unpack("<L",data[1:5])[0] | ||
| can_rx_count = struct.unpack("<L",data[5:9])[0] | ||
| device_msg_time_sec = struct.unpack("<L",data[9:13])[0] | ||
| #print(message_format, udp_tx_count, can_rx_count, device_msg_time_sec) | ||
| for msg_start in range(13,len(data),19): | ||
| i = msg_start | ||
| channel = data[i] | ||
| if channel !=0: | ||
| break | ||
| i+=1 | ||
| micros = struct.unpack("<L",data[i:i+3]+b'\x00')[0] | ||
| i+=3 | ||
| can_controller_time = struct.unpack("<H",data[i:i+2])[0] | ||
| i+=2 | ||
| can_id = struct.unpack("<L",data[i:i+4])[0] | ||
| i+=4 | ||
| can_len = data[i] | ||
| i+=1 | ||
| data_string="".join(["{:02X}".format(b) for b in data[i:i+can_len]]) | ||
|
|
||
| if micros>=1000000: | ||
| device_msg_time_sec+=1 | ||
| micros-=1000000 | ||
|
|
||
| #print('\t',channel,micros,can_controller_time,"{:08X}".format(can_id),can_len,data_string) | ||
| logger.info("({}.{:06d}) can{} {:08X}#{}".format(device_msg_time_sec,micros,channel,can_id,data_string)) |