V2.1

• Improved startup_gd32fxxx.S
• CMSIS has its own project now
• Upgraded to CMSIS V5.0.5
• Removed lib-debug. Now part of lib-hal
• Updated to latest GD32 Firmware
• Introduced debug software UART0
• Major cleanup lib-configstore
• In order to support Newlib; removed lib-c, lib-c++ and added lib-clib
• In order to support FreeRTOS; Added Software timers in H.A.L. framework.
• Major update network stack. Added support for RFC 5227 and RFC 3927
• Updated Art-Net with latest specifications
• Improved support for RDMNet LLRP only
• Moved parameter utc_offset to "env.txt"
• Improved HTTP Server
• Added support for remote UART shell
• Removed lib-rdmdiscovery, lib-rdmnet and lib-rdmresponder
• Removed lib-oscclient and lib-oscserver

V2.0

• Improved build system
• Added stack debug framework
• Removed not used source files
• Added support DMX delta output
• Added Manufacturer PIDs (https://www.gd32-dmx.org/rdm.html)
• Added support for void __libc_init_array(void)
• Changed the layout of the config store.
  • Before upgrading the firmware it is advised to make a backup of the configuration.
  • After the upgrade, then restore the saved configuration.
• lib-artnet : V1.58
• lib-e131 : V1.27
• Removed lib-artnet4
• Improved Network abstraction layer
• Improved PHY initialization process
• Improved embedded HTTP server
• Added support for secondary (permanent) IP address
  • The node is always available on the secondary IP address (2.x.x.x) for ping and http requests.