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Getting started with embedded LINUX device commissioning

Getting started with embedded LINUX device commissioning

table of Contents

First, embedded board application, development environment

Common hexadecimal values

Second, the basic operation of WINDOWS PC

Serial terminal software

HyperTerminal

Putty

secureCRT

Text review tool

Network settings

Note that the same IP network segment conflicts between the two network ports.

Ethernet switch and docking cable

Native IP view

View network continuity

FTP client

Telnet client

Install TFTP SERVER

Dynamic domain name DDNS and port mapping

WiFi AP settings

Third, LINUX PC environment settings

Common LINUX commands

View the list of currently running processes

View the local IP address

Set the IP address

View storage space

View mounted storage devices

View memory spares

Copy and paste text

Common command

Vi(m) usage

Minicom usage

Use of soft, hard disk and optical drive

Diff create software patch, patch with patch

Hard disk partition under LINUX

Configuration and installation of several services in Ubuntu

Correction source

Compile embedded LINUX kernel error

FTP service

SSH service

NFS service

Save every time you add sudo

Configuring tftp SERVER

Unable to run make menuconfig

Samba

Telnetd service

NFS mount command

PDF file garbled:

Unable to execute shell script caused by different shells

Fix grub

Dual hard disk dual boot

Ubuntu how to access the share file in 192.168.6.16

Fourth, commonly used u-boot command

BLACKFIN platform

1. View & set the TFTP SERVER IP address:

2. Download the uClinux kernel to the target board memory

3. Burn the uClinux kernel image file to the FLASH of the target board.

4. Download the u-boot.bin running the update or burn the updated uboot

DAVINCI platform

1, bootargs

2, download the burning kernel:

3, download and update u-boot

4, clear the u-boot parameter area (env)

5, DAVINCI platform, run u-boot in memory:

Five, common hardware interface test command

3G dialing

SD card

Hard disk

FOR DAVINCI platform:

FOR BLACKFIN platform:

Audio

BLACKFIN platform

Typical straight-through test:

Video

Ethernet

Extended serial port

BLACKFIN platform:

WiFi

RTC

BLACKFIN platform:

GPS

Process information in common serial port records

Basic common process information

Terminate a process

Format

Online upgrade

Miscellaneous

IP address of DAVINCI platform

How to judge whether the system restarts during long copying

Video file storage location

View DDR2 work frequency

Lsusb information

Crash & App Crash Dump

How to check if the board can communicate with the 3G module

View board ESN

WIFI transport ifconfig/iwconfig

Dual card / four card dial number ifconfig

How to judge the successful dialing of 3G transmission