keil直接生成bin优化编译文件，hex不能很好说明程序文件大小。测试好像只能arm由此功能，因为需要先生成.AXF文件才能自动转换成BIN-keil optimizing compiler directly generate bin file, hex file sizes are not well explained procedures. Thus it seems only arm function test, because of the need Mr. into. AXF fil