(1) support the full range of STM32, GD32 all series debugging interface, including STM32 F0, F1, F2, F3, GD32 F1, F3 all series
(2) Firmware upgrade, firmware is always up to date, follow-up free upgrade supports more chip firmware
(3) The real offline downloader, hex/bin is saved in the offline downloader, directly programming the target CPU
(4) File data is stored in FLASH in encrypted mode to protect data security and cannot be cracked.
(5) Support remote file loading, the downloader can also complete the download file safely.