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27 lines
651 B
Bash
27 lines
651 B
Bash
#!/bin/sh
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prefix=$1
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is_in_windows() {
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[ "$(uname -o)" = Cygwin ] || [ "$(uname -o)" = Msys ]
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}
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# 最后一个 tty 是主 tty，显示的信息最全
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is_first=true
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for tty in tty0 ttyS0 ttyAMA0; do
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# hytron 有ttyS0 但无法写入
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# cygwin 没有 tty0，所以 windows 下 tty0 免检
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if { [ "$tty" = tty0 ] && is_in_windows; } || stty -g -F "/dev/$tty" >/dev/null 2>&1; then
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if $is_first; then
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is_first=false
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else
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printf " "
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fi
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printf "%s" "$prefix$tty"
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if [ "$prefix" = "console=" ] && [ "$tty" = ttyS0 ]; then
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printf ",115200n8"
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fi
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fi
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done
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