If the length of data in the driver's input buffer is less than the buffer defined for sio_read(), all data in the driver's input buffer will be transferred to that of sio_read(). Otherwise, sio_read() reads specified length bytes from the driver's input buffer.图片说明](https://img-ask.csdn.net/upload/201708/29/1503972825_663954.png)
英语翻译,用的PCOMM库,如果读取的数据比定义的长度小,会怎么样
- 写回答
- 好问题 0 提建议
- 关注问题
- 邀请回答
-
