EasyArm-i.mx280a开发板入门指南:上电启动与登录详解
参看了https://blog.csdn.net/weixin_50875614/article/details/117886606?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7EBlogOpenSearchComplete%7ERate-1-117886606-blog-140788585.235%5Ev43%5Epc_blog_bottom_relevance_base6&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7EBlogOpenSearchComplete%7ERate-1-117886606-blog-140788585.235%5Ev43%5Epc_blog_bottom_relevance_base6&utm_relevant_index=1
做以下补充:
1.usb线插入5V电源接口
2.短接jp4跳线,禁用watchdog,以便正常启动。(不这样做,板子会不停重新启动)
3.TTL串口调试线查到调试口上面(DUTX DURX GND),对于已经插上扩展板的情况下,TTL串口调试线插到J11(扩展接口 21(DRX) 22(DTX) 23(GND)引脚)
串口通讯配置
登录过程:
BusyBox v1.20.2 () multi-call binary.
Usage: xz -d [-cf] [FILE]…
Decompress FILE (or stdin)
-d Decompress
-c Write to stdout
-f Force
root@EasyARM-iMX28x /bin# lsusb
Bus 001 Device 001: ID 1d6b:0002
Bus 002 Device 001: ID 1d6b:0002
root@EasyARM-iMX28x /bin# ifname
-sh: ifname: not found
root@EasyARM-iMX28x /bin# id
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel)
root@EasyARM-iMX28x /bin#
arm-none-linux-gnueabi-gcc (Freescale MAD — Linaro 2011.07 — Built at 2011/08/10 09:20) 4.6.2 20110630 (prerelease)
root filesystem built on Tue, 05 Feb 2013 11:11:58 +0800
Freescale Semiconductor, Inc.
EasyARM-iMX28x login: root
Password:
login[1113]: root login on 'ttyAM0'
BusyBox v1.20.2 () built-in shell (ash)
Enter 'help' for a list of built-in commands.
this board is EasyARM-iMX280
root@EasyARM-iMX28x ~#
4.通过网口调试:
网口的ip地址是192.168.0.100,协议ssh2
用户名:root
密码:root
登录成功:
作者:brightsm