programming

stcdude

https://github.com/nekromant/stcdude
http://ncrmnt.org/wp/tag/stcdude/

stcgal

https://github.com/grigorig/stcgal

dpavlin@x200:/rest/cvs/stcgal$ ./stcgal.py 
Waiting for MCU, please cycle power: done
WARNING: Unknown model F51F!
Target model:
  Name: UNKNOWN
  Magic: F51F
  Code flash: 62.0 KB
  EEPROM flash: 0.0 KB
Target frequency: 122.847 MHz
Target BSL version: 7.1T
Target options:
  reset_pin_enabled=False
  low_voltage_detect=True
  oscillator_stable_delay=4096
  power_on_reset_delay=long
  clock_gain=high
  clock_source=internal
  watchdog_por_enabled=False
  watchdog_stop_idle=True
  watchdog_prescale=32
  eeprom_erase_enabled=False
  bsl_pindetect_enabled=True
Disconnected!

stc-isp

https://github.com/van9ogh/stc-isp