Related software:
http://sdcc.sourceforge.net/ https://github.com/vdudouyt/stm8flash
Install stlink sudo apt-get update sudo apt-get install cmake sudo apt-get install libusb-1.0-0-dev git clone https://github.com/texane/stlink stlink cd stlink make sudo udevadm control --reload Reboot
Install compiler sudo apt-get install sdcc
Install stm8s flash tool git clone https://github.com/vdudouyt/stm8flash.git cd stm8flash make sudo make install
Install example project git clone https://github.com/vdudouyt/sdcc-examples-stm8.git cd sdcc-examples-stm8
flash command stm8flash -c stlinkv2 -p stm8s103 -w blinky.ihx