Posted inPowerPC
MPC8245 issue bad crc when booting
发现为内存配置问题。128M内存配置为64M 修正为128M配置。 That's all.
Posted inEmbedded
Dail with GPRS modem using ppp
Require: pppd & chat dail on script kernel support - CONFIG_PPP pppd为point-to-point协议守护程序，用来建立internet连接。 chat为modem的自动交互脚本程序，pppd通过chat解析用户编写好的脚本对modem进行初始化并建立连接 注意： 脚本里面需要包含 AT+CGDCONT=1,"IP","CMNET" 用来对sim card做初始化设置。
Posted inCrossCompile
How to Cross Compile ppp
git clone git://ozlabs.org/~paulus/ppp.git ./configure CC=arm-linux-gcc make That's all.
Posted inEmbedded
minicom输出乱码
以前使用TERM=linux发现minicom输出经常有乱码现象。 env显示TERM默认为vt102，从host linux拷贝文件"/usr/share/terminfo/v/vt102"至rootfs 重新生成rootfs Done。
Posted inEmbedded
minicom issue “You don’t exist. Go away.”
On my Embedded board, minicom issue "You don't exist. Go away." and exit. It's because of that system call 'getpwuid' failured. Inserted perror() after called getpwuid, system issued "No such…
Posted inCF-Card
DailKeeper V3 CF-Card Timing Verified
New DailKeeper V3 board with new CF-Card told "DriveReady SeekComplete Error" and so on. The problem was solved after ajust CS assert to RD assert width as 70ns.
Posted inRootfs
How to enable user ftp while disable user shell
As wu-ftpd man say "The user must have a standard shell returned by getusershell" and getusershell() function returns the next line from the file /etc/shells. Step1: assign /usr/sbin/nologin shell to…
Posted inDebian
How to find fastest source on debian
# apt-get install apt-spy # mv sources.list sources.list.bak # apt-spy update # apt-spy -d testing -a Asia That's all.
Posted inuClinux
SamSung S3C44B0 Board Port Finish
SamSung S3C44B0 Board Port finish. Hardware Cpu: S3C44B0 Mem: 32M Flash: 8M Intel Flash Software u-boot-1.3.2 kernel-2.6.9 uClinux-20070130