Introduction - If you have any usage issues, please Google them yourself
Ba Duan code experimental results of this experiment, the system is running, 8 digital tube started it 1234, after a delay, shown as 2345, after a period of delay, the display 3456 ,..... ....。 Continues, and each LED display to 9 do not show, and later start again. Debug in flash, you need to modify the RO BASE is 0x00000000, the other not modify, recompile download can run. Debugging in the sdram when the need to modify the RO BASE to 0xa0000000, others do not modify, recompile and download can be run.