linking...
arm-none-eabi-objcopy -O binary "rtthread.elf" "rtthread.bin"
arm-none-eabi-size --format=berkeley "rtthread.elf"
text data bss dec hex filename
53384 1808 3324 58516 e494 rtthread.elf
下载RtThread Studio y试试，配个简单的GPIO驱动，工程代码就这么大
Used Size(B) Used Size(KB)
Flash: 55192 B 53.90 KB
RAM: 5132 B 5.01 KB
15:52:00 Build Finished. 0 errors, 0 warnings. (took 4s.702ms)
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