# xlib_backup

**Repository Path**: xiuye_engineer/xlib_backup

## Basic Information

- **Project Name**: xlib_backup
- **Description**: backup xlib
- **Primary Language**: Unknown
- **License**: Unlicense
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-07-16
- **Last Updated**: 2025-07-22

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# xlib

#### 介绍
##### C and C++ library
##### UBoot bootloader
##### Linux 系统移植 ARM-A 开发版
##### Linux Drivers

#### 阶段
##### 1.C programming language
##### 2.C++ programming language
##### 3.ARM Cortex-A9 ASM
##### 4.ARM Board Exynos4412
##### 5.UBoot for ARM Board
##### 6.Linux 3.14 Drivers for ARM

#### 项目
##### MQTT 控制设备和接收设备状态
##### 查看摄像头视频


# Linux OS 移植
## 1.U-Boot 编译和配置
### 配置环境cmd：pri
```C++
u-boot
FS4412 # pri
serverip 192.168.2.55
baudrate=115200
bootargs=root=/dev/ram rw console=ttySAC2,115200 clk_ignore_unused init=/linuxrc
 ip=192.168.2.88
bootargs1=root=/dev/nfs nfsroot=192.168.2.55:/home/hqyj/Desktop/25021/rootfs0,v3
 rw console=ttySAC2,115200 clk_ignore_unused init=/linuxrc ip=192.168.2.88
bootargs2=root=/dev/ram rw console=ttySAC2,115200 clk_ignore_unused init=/linuxr
c ip=192.168.2.88
bootasergs=root=/dev/nfs nfsroot=192.168.1.100:/home/hqyj/rootfs rw console=ttyS
AC2,115200 init=/linuxrc ip=192.168.1.200 clk_ignore_unused=true
bootcmd=movi read kernel 41000000;movi read dtb 42000000;movi read rootfs 430000
00 7000000;bootm 41000000 43000000 42000000
bootcmd1=tftp 41000000 uImage;tftp 42000000 exynos4412-fs4412.dtb;bootm 41000000
 - 42000000
bootcmd2=tftp 41000000 uImage;tftp 42000000 exynos4412-fs4412.dtb;tftp 43000000
ramdisk.img;bootm 41000000 43000000 42000000
bootcmdcopy=tftp 41000000 uImage;tftp 42000000 exynos4412-fs4412.dtb;tftp 430000
00 ramdisk.img;bootm 41000000 43000000 42000000
bootcmdcopy2=movi read kernel 41000000;movi read dtb 42000000;movi read rootfs 4
3000000 300000;bootm 41000000 43000000 42000000
bootdelay=3
ethact=dm9000
ethaddr=11:22:33:44:55:66
fileaddr=43000000
filesize=64FEB3A
gatewayip=192.168.2.1
ipaddr=192.168.2.88
netmask=255.255.255.0
serverip=192.168.2.55
stderr=serial
stdin=serial
stdout=serial


tftp 41000000 uImage
movi write kernel 41000000
tftp 42000000 exynos4412-fs4412.dtb
movi write dtb 42000000
tftp 43000000 ramdisk.img
movi write rootfs 43000000 7000000 //根据文件大小设置


set bootcmd "movi read kernel 41000000;movi read dtb 42000000;movi read rootfs 43000000 7000000;bootm 41000000 43000000 42000000"

u-boot
FS # pri
baudrate=115200
bootargs=root=/dev/mmcblk1p1 rw rootwait console=ttySAC2,115200 init=/linuxrc clk_ignore_unused
bootcmd=mmc read 41000000 865 2800; mmc read 43000000 801 64; bootm 41000000 - 43000000
bootdelay=1
ethact=dm9000
ethaddr=11:22:33:44:55:66
fileaddr=41000000
filesize=8941
gatewayip=192.168.2.1
ipaddr=192.168.2.111
netmask=255.255.255.0
serverip=192.168.2.222
stderr=serial
stdin=serial
stdout=serial



//烧写到EMMC
tftp 41000000 uImage
movi write kernel 41000000
tftp 42000000 exynos4412-fs4412.dtb
movi write dtb 42000000
tftp 43000000 ramdisk.img
movi write rootfs 43000000 300000
movi write rootfs 43000000 7000000
//从emmc启动
set bootcmd "movi read kernel 41000000;movi read dtb 42000000;movi read rootfs 43000000 300000;bootm 41000000 43000000 42000000"
set bootcmd "movi read kernel 41000000;movi read dtb 42000000;movi read rootfs 43000000 7000000;bootm 41000000 43000000 42000000"

6453fc9
7000000
rtsp://192.168.2.97:8554/live/stream

set bootargs $bootargs1
set bootcmd $bootcmd1

set bootargs $bootargs2
set bootcmd $bootcmd3

```


# git usage
```C++
列出未跟踪的文件
git ls-files --others --ignored --exclude-standard


```