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本文适用OpenH ARMony开源鸿蒙系统,本次使用的是深圳触觉智能专注研发生产的鸿蒙开发板,搭载瑞芯微RK3568芯片。 一、查看文件路径8 D+ X' l( z3 g
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; {( d& s" {1 J$ D3 K- F首先init.rkxxx.cfg文件在系统路径/vendor/etc/,如下图所示:C:\Users\industio>hdc shell# cd vendor/etc/# lsaudio fstab.rk3568 iqfil.json soc_peRFbattery hdfconfig iqfiles thermal_configcgroup_sched init onsdistributedhardware init.rk3568.cfg paramfirmware init.rk3568.usb.cfg ressched"7 C/ C7 d: T# S/ f
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二、文件传至本地
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( a) x% y, k4 w% y7 i( P将需要需要修改的cfg文件从文件系统中拉下来放在本地目录,命令是:hdc file recv '系统路径' '本地文件路径',如下图所示:
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# Y" ]6 e2 i5 N/ ~+ q+ S8 lC:\Users\industio>hdc file recv /vendor/etc/init.rk3568.cfg D:\[I][2024-07-25 10:49:35] HdcFile::TransferSummary successFileTransfer finish, Size:3581, File count = 1, time:127ms rate:28.20kB/s 三、修改文件, `, }: e' [1 G4 n6 U' O8 v; T7 A
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: @$ V2 Q8 B, _" M在cfg文件中增加权限,注意在对文件修改不要使用TAB键,复制前一行代码后再修改防止出错 { "import" : [ "init.${ohos.boot.hardware}.usb.cfg" ], "jobs" : [{ "name" : "pre-init", "cmds" : [ "write /proc/sys/vm/min_free_kbytes 10240", "mount debugfs /sys/kernel/debug /sys/kernel/debug mode=755", "write /sys/kernel/debug/hisi_inno_phy/role peripheral" ] }, { "name" : "init", "cmds" : [ "write /proc/1/oom_score_adj -1000", "chown system system /sys/kernel/hungtask/userlist", "symlink /dev/block/platform/fe310000.sdhci/by-name /dev/block/by-name" ] }, { "name" : "boot", //在此位置添加设备权限 "cmds" : [ "write /sys/block/zram0/disksize 1024M", "mkswap /dev/block/zram0", "swapon /dev/block/zram0", "chmod 777 /dev/ttyAMA2",+ "chmod 666 /dev/bus/usb/005/001"+ "chmod 666 /dev/bus/usb/005/002" "chmod 775 /sys/class/rfkill/rfkill0/state", ] }, { "name" : "post-fs-data", "cmds" : [ "restorecon", "restorecon /data/updater" ] } ], "services" : [{ "name" : "ispserver", "path" : ["/vendor/bin/ispserver"], "once" : 1, "secon" : "u:r:ispserver:s0", "uid": "ispserver", "gid": [ "ispserver", "camera_host" ] } ]}
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; t* Q* }4 o: J5 b当修改完成后将文件推送回去,命令如下: hdc shell mount -o remount,rw /vendor //重新挂载设备,将设备改为可读可写hdc file send “本地路径” “/vendor/etc/init.rkxxx.cfg” //将修改好的文件覆盖到系统当中hdc shell reboot //将文件推送回去,系统重启
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