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Wireshark and ESP32 setup

How to setup Wireshark to work with any ESP32

  • Go into Firmware/ESP32
  • Create main/wifi_creds.h and add there SSID and Password for you WiFi AP
#define EXAMPLE_ESP_WIFI_SSID      "your-ssid"
#define EXAMPLE_ESP_WIFI_PASS      "your-password"
  • Go into main/CanIf.c and select GPIO where you have connected CAN transciever
#define TX_GPIO_NUM                     (GPIO_NUM_5)
#define RX_GPIO_NUM                     (GPIO_NUM_4)
  • Go into main/uart.c and select GPIO where you have connected KLINE transciever
#define TXD1_PIN                         (GPIO_NUM_38)
#define RXD1_PIN                         (GPIO_NUM_37)
  • Open esp-idf (Power Shell or CMD) go to Firmware/ESP32
  • Setup device using idf.py set-target esp32 (or idf.py set-target esp32s3 etc.)
  • Compile firmware using idf.py build
  • Upload firmware using idf.py -p COMn flash where COMn is debug UART of your ESP32 device
  • Start Wireshark using wireshark -k -i TCP@127.0.0.1:19000 for Datagram (PDU) tracing or wireshark -k -i TCP@127.0.0.1:19001 for SocketCAN tracing. Replace 127.0.0.1 with IP address of ESP32 device.
  • Copy scripts into Wireshark LUA script folder Help -> About -> Folders -> Personal Lua Plugins
  • If you want to further develop those scripts, use something like mklink /J "C:\Path\To\AppData\Roaming\Wireshark\plugins" "D:\Git\Monitor\Plugins"
  • You can also load coloring rules via View -> Coloring Rules -> Import