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串口发送代码问题

Other Parts Discussed in Thread: CCSTUDIO

采用串口升级的时候,更新的程序代码是通过SCI口发送给DSP的,我看见论坛上有人说发送的是二进制文件,请问是通过串口调试工具直接发送.bin文件吗?还是把二进制文件打开,把里面的内容拷贝到文本文件.txt里,然后发送文本文件啊?另外,我怎么可以知道我的二进制文件大小是多大呀?因为我接收的时候希望通过二进制文件的大小来判断是否接收完毕。