优化获取COM口的逻辑
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Makefile
2
Makefile
@ -51,7 +51,7 @@ main.hex: $(TARGET)
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flash:
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-sudo chmod 777 $(COM)
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-./reset_mcu.sh
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-./reset_mcu.sh $(COM)
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-stcgal -P stc89 -p $(COM) main.hex
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#led.bin:led.hex
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@ -16,9 +16,13 @@
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# --- ---- --- -----------
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# 0.0.01 2024-07-14 Feng Bohan initial version
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#===========================================================================
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stty -F /dev/ttyUSB0 speed 9600 cs8 -parenb -cstopb raw -echo -echoe -echok -echoctl -echoke
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if [ "$#" -ne 1 ]; then
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echo "错误:此脚本需要且仅需要一个参数, 作为COM口号"
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exit 1 # 使用非零状态码退出表示异常
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fi
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stty -F $1 speed 9600 cs8 -parenb -cstopb raw -echo -echoe -echok -echoctl -echoke
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echo -e "RESET!" > /dev/ttyUSB0
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echo -e "RESET!" > $1
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#说明:
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