1. Install vim/emacs
sudo zypper in emacs
2. Install sdcc
sudo zypper in sdcc
3. download python script sdcflash
wget https://github.com/laborer/stcflash/raw/master/stcflash.py
you may need to install python-serial
sudo zypper in python-serial
4. write codes
5. sdcc compile them
sdcc hello.c
6. Transfer file
pacihx hello.ihx > hello.hex
objcopy -I ihex -O binary hello.hex hello.bin
7. upoload hello.hex/hello.bin
sudo python sdcflash.py -l 9600