[技术]

【飞凌RZ/G2L开发板试用体验】+04+LED闪烁

2022-8-24 02:14:36 1233

0 https://www.bilibili.com/video/BV1iG4y1r7Sv?is_story_h5=false&p=1&share_from=ugc&share_medium=android&share_plat=android&share_session_id=dfccb9a8-5f37-40b9-b5a8-df0db1e33a76&share_source=WEIXIN&share_tag=s_i×tamp=1661278375&unique_k=W3l4vRe&vd_source=9966fdc256db6b5639c72f783d90080d 创建方法如下： sudo -s touch grade.sh vim grade.sh #/bin/bash #Verson:0.1 #Auther:diql #Pragram:This pragram is calculation your grade #import an argument read -p "Please input your grade:" x declare -i x #jugemet $x value is none or not if [ "$x" == "" ];then echo "You don't input your grade...." exit 5 fi #jugement the gread level if [[ "$x" -ge "90" && "$x" -le "100" ]];then echo "Congratulation,Your grade is A." elif [[ "$x" -ge "80" && "$x" -le "89" ]];then echo "Good,Your grade is B." elif [[ "$x" -ge "70" && "$x" -le "79" ]];then echo "Ok.Your grade is C." elif [[ "$x" -ge "60" && "$x" -le "69" ]];then echo "Yeah,Your grade is D." elif [[ "$x" -lt "60" ]];then echo "Right,Your grade is F." else echo "Unknow argument...." fi 键入: esc :wq chmod 700 grade.sh ./grade.sh ./build.sh all /etc/update.sh ----------------------------------------------------------- 附带pwm071.sh ---------------------------------------------- #! /bin/sh if [ $# != 2 ]; then echo "$0 <1/0>" echo "User:$0 P3_7 1" exit 0 fi VAL=$1 N=${VAL##_} T=${VAL#P} M=${T%_} GPIOID=$((${M} 8 + ${N} + 120)) echo "==== GPIOID ${GPIOID} ======" if [ ! -d /sys/class/gpio/gpio$GPIOID ]; then echo $GPIOID > /sys/class/gpio/export echo out > /sys/class/gpio/gpio${GPIOID}/direction fi echo "===$1===$2" echo $2 > /sys/class/gpio/gpio${GPIOID}/value for((i=1;i<=10;i+=1)) do sleep 1 echo $i echo 1 > /sys/class/gpio/gpio${GPIOID}/value sleep 1 echo 0 > /sys/class/gpio/gpio${GPIOID}/value done 0
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