摘要: 错误1:Library reports error: __use_no_semihosting was requested, but _ttywrch was referenced 在usart.c文件的_sys_exit(int x){x = x;}大约47行后面加入//__use_no_semi 阅读全文
posted @ 2020-08-27 15:13 511442592 阅读(455) 评论(0) 推荐(0)