airwch

AirTag firmware for WCH

Requirements

• Latest RISC-V toolchain from HydraUSB3
• CMake >= 3.12
• WCHISPTool

BLE data update guide

1. Edit MAC address in src/main.c
2. Edit data in src/main.c after 30, 0xFF

Programming guide

1. Open WCHISPTool
2. Put AirWCH on programming rig with battery pin facing to buttons
3. While holding blue button connect rig to USB
4. Add your firmware.hex as Object File 1 in WCHISPTool
5. Press Download
6. Wait for download
7. ???
8. PROFIT