Project idea is to use RTC(real time clock) and synchronise time using SNTP protocol. Time should be printed over serial and through web browser, rtc time can be updated with update button.
I do not use any tools for compilation. Sources are compiled with simple bash script. Compile:
chmod +x make.sh(if necessary)
make.sh
Compiled using: arm-none-eabi-gcc (GNU Arm Embedded Toolchain 10.3-2021.10) 10.3.1 20210824 (release)Link GNU bash, version 5.2.21(1)-release (x86_64-pc-linux-gnu)
Board can be programmed over USB cable using https://github.com/ch32-rs/wchisp.
wchisp flash output.elf
lwip usage is based on another project with lwip port for ch579: https://gitee.com/maji19971221/lwip-routine. Project uses lwip: https://savannah.nongnu.org/projects/lwip/