29 lines
929 B
Markdown
29 lines
929 B
Markdown
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# Introduce
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This is [ymodem protocal](http://pauillac.inria.fr/~doligez/zmodem/ymodem.txt).
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According to it, the sb rb application is realized, which is used to send files and receive files respectively
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# Usage
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In the ubuntu system, lszrz needs to be installed, can use `sudo apt install lszrz`.
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Use minicom to communicate with the board.
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## Sendfile to pc
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use sb command like this `nsh> sb /tmp/test.c ...`, this command support send multiple files together
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then use `<Ctrl + a> , r` chose `ymodem` to receive board file.
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## Sendfile to board
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use rb cmd like this `nsh> sb`, this command support receive multiple files together
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then use `<Ctrl + a> , s` chose `ymodem`, then chose what file need to send.
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## help
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can use `sb -h` or `rb -h` get help.
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# Debug
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Because the serial port is used for communication, the log is printed to the debug file
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you can use `CONFIG_SYSTEM_YMODEM_DEBUGFILE_PATH` set debug file path.
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