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RSS订阅原创 ubuntu18.04 安装 ncurses
编译uboot、kernel时候，make menuconfig会报错$ make menuconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/mconf.o<command-line>:0:12: fatal error: ncurses.h: No such file or directoryco...
2020-04-18 11:10:05
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原创 find 排除多个目录写法
在网上看了很多，都讲的非常模糊，这里做出比较深入的阐述find . -path ./bin -a -prune -o -path ./sbin -a -prune -o -name "build.sh" -print这样，上面的语句意思可以看成find .if ( -path ./build 为真） -pruneelse if ( -path ./uboot 为真...
2019-02-27 10:08:44
2971
转载 GPIO知识点之开漏(open drain)和推挽(push pull)输出
申明：本段copy自https://www.edaboard.com/showthread.php?97365-question-push-pull-or-open-drain-modeThe push-pull output actually uses two transistors. Each will be on to drive the output to the appropriate ...
2018-07-05 19:01:16
6663
转载 ACK是什么意思
<br />ACK - ACK signal <br />In some digital communication protocols, ACK is the name of a signal that data has been received successfully (for example, with an acceptable number of errors). The ACK signal is sent by the receiving station (destination) bac
2010-09-06 15:22:00
5717
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