"Failed to connect to system bus: %s\n",strerror(-r));gotofinish;}/* 调用系统dbus接口方法 */r=sd_bus_call_method(bus,"org.freedesktop.PolicyKit1",/* service to contact */"/org/freedesktop
I noticed that when logging in on CUI, then dbus-daemon executed with the expected command line, andsd_bus_default_user()e.g.SYSTEMCTL_FORCE_BUS=1 systemctl --user status dbus.serviceworks fine. But with XFCE, it does not work... ...
// 连接到系统总线 connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error); if (dbus_error_is_set(&error)) { fprintf(stderr, "D-Bus connection error: %s\n", error.message); dbus_error_free(&error); return 1; } // 注册对象和方法 success = dbus_connection_register_object_path(connection...
sd_event_source *busSource =NULL; sd_bus_slot *slot =NULL;intret =sd_event_default(&event);chartmp ='0'; read(fd, &tmp,sizeof(char)); ret = sd_bus_open_system(&bus); ret = sd_bus_add_object_vtable(bus, &slot,"/org/watchdogd1","org.watchdogd1", watchdogPmon,NULL); r...
学ARM从STM32开始 STM32开发板库函数教程--实战篇 官方网站:http 官方店铺:http://z 官方论坛:http 刘洋课堂:http://s 1 97 第 页共 页 官 网站: 4.35 STM32 SD存储卡指令协议 4.35.1概述 SD简介 SD卡是基于flash的存储卡。 SD卡和MMC卡的区别在于初始化过程不同。 SD卡的通信协议包括SD总线和SPI两...
Requesting system reboot [ 175.041596] musb-hdrc musb-hdrc: remove, state 1 [ 175.046294] usb usb1: USB disconnect, address 1 [ 175.090566] musb-hdrc musb-hdrc: USB bus 1 deregistered [ 175.095939] USB 1.1 clocked from USB 2.0 PHY -- can't power it down ...
执行vim hi1910B-emmc-default.dtsi命令,按如下回显信息注释掉加粗字体的两行代码,并增加non-removable代码。 sdhci1: sdhci1@82010000 { // sd compatible = "hisilicon,sdhci_sd"; reg = <0x0 0x82010000 0x0 0x10000>; interrupt-parent = <&mbigen_sd>; interrupts = <917 4>; bus-width = <4>...
[ 0.001883] pid_max: default: 32768 minimum: 301 [ 0.002285] Mount-cache hash table e...
Filesystem Size Used Avail Use% Mounted on overlay 98G 98G 728M 100% / tmpfs 64M 0 64M 0% /dev tmpfs 15G 0 15G 0% /sys/fs/cgroup /dev/vda4 99G 54G 45G 55% /tmp /dev/vdb 98G 98G 728M 100% /mnt/workspace overlay 99G 54G 45G 55% /etc/dsw tmpfs 15G 0 15G 0% /...
在MTD上常用的文件文件系统是JFFS2日志闪存文件系统版本2(Journaling Flash FileSystem)。JFFS2用于微型嵌入式设备的原始闪存芯片的文件系统。JFFS2文件系统是日志结构化的,这意味着它基本上是一长列节点。每个节点包含有关文件的部分信息 ― 可能是文件的名称、也许是一些数据。与Ext2文件系统相比,JFFS2因为有以下...