摘要: 编译时候报错.. Library reports error: __use_no_semihosting was requested, but _ttywrch was referenced 上网找了解决方法 在usart.c文件的 _sys_exit(int x) { x = x; } 大约47行 阅读全文
posted @ 2017-03-18 22:24 半夏生 阅读(1859) 评论(0) 推荐(0) 编辑