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diff --git a/README.md b/README.md new file mode 100644 index 0000000..e840354 --- /dev/null +++ b/README.md @@ -0,0 +1,25 @@ +# T-937/M Serial Reverse Engineering + +This repo contains tools, notes and data from reverse engineering the Puhui T-937/M Reflow Oven's Serial protocol. + +- `captures`: Wireshark captures of Serial communications +- `dissectors`: Wireshark Lua plugins for dissecting messages + - `ch340.lua`: dissects USB captures for CH340/341-based USB-to-Serial converters + - `pl2303.lua`: dissects USB captures for PL2303-based USB-to-Serial converters + - `t937.lua`: dissects the actual Serial messages + +## Capturing USB-to-Serial communications on Windows + +- install Wireshark with USBPcap + - make sure you [have `USBPcapCMD.exe` in your extcap directory][usbpcapcmd] +- add the Lua scripts to your plugins or instruct wireshark to load them from elsewhere: + - `-Xlua_script:ch340.lua,t937.lua` +- set up capture options + - disable "Capture from all devices connected" + - disable "Capture from newly connected devices" + - enable Inject already connected devices' descriptors..." + - enable only the USB-to-Serial device +- start capturing +- connect from Pb-Free.exe + +[usbpcapcmd]: https://desowin.org/usbpcap/tour.html |