Introduction - If you have any usage issues, please Google them yourself
stm32f417 development board rt-thread1.2 operating system migration.
1 UART3/6 is ok
2.finsh is ok
3 running led is ok
4 External RAM available (61wv1024)
5.NAND MT29F4D08 drive available
6.NAND of UFFS file system available