25354c4792b8ab3a3b2823e9ac84b8b68f828f2d
Otherwise during initial setup or wakeup, nothing may happen for long enough to trigger a watchdog reset into the bootloader.
ku1255cfw
Custom open firmware for the Lenovo KU-1255 compact USB keyboard
Dev setup
- OpenViszla USB protocol analyzer
- 5V-tolerant PL2303 UART interface (e.g. https://www.adafruit.com/product/954)
- S15 pad (SN8F2288 UTX) connected to header for UART debug interface
Languages
Assembly
82.9%
Python
17.1%
