huchuan2025/EVB-E单板基本命令.md at ccf0d09b3098fbb271b0b966fb1e6ef1160c14dc

网络mount
- mount -t nfs -o nolock 192.168.9.12:/data/nfs/huchuan /mnt
启动脚本 sh /acme/scripts/enable_usb_func.sh sh /acme/scripts/enable_nfs.sh ifconfig usb0 192.168.100.100 route add default gw 192.168.100.1 #mount -t nfs -o nolock -o tcp -o rsize=32768,wsize=32768 192.168.9.12:/data/nfs/huchuan/sys0407-003 /acme cd /acme/scripts sh load_evb_E_linux_all.sh ln -s /acme/usr/bin/dbclient /usr/bin/dbclient
拷贝
- scp -r huchuan@192.168.9.12:~/Workspace/qa/sdk_6920_qa/gtestlib/lib/* /acme/lib
- scp -r huchuan@192.168.9.12:~/Workspace/qa/sdk_6920_qa/bin/TEST_GREEN_SNS_VI_ISP_VPSS_720P /acme/bin
- scp -r huchuan@192.168.9.12:~/Workspace/qa/sdk_6920_qa/bin/TEST_FILTER_TOP /acme/bin
配置dns
- root@acme:~# cat /etc/resolv.conf nameserver 114.114.114.114
查看时钟
- mount -t debugfs none /sys/kernel/debug
- cat /sys/kernel/debug/clk/clk_summary
9901调压
- 0.6v
  - i2cset -r -y 0 0x40 0x1 0x31
  - i2cset -r -y 0 0x40 0x1 0x30
- 0.4v
  - i2cset -r -y 0 0x40 0x1 0x9
  - i2cset -r -y 0 0x40 0x1 0x8
查看寄存器
- devmem 0x5000006c
切换日夜全彩
- echo set night 0 0 0 > /tmp/icr
临时关闭金字塔
- echo 3 ISP -s 0 pyr 0 > /tmp/pid
查看cpu工作模式
- cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
强制进入升级模式
- devmem 0x48080074 w 0x200008
常见频率配置
- devmem 0x50000010 32 0xff // 配置总线为396Mhz
- devmem 0x50000010 32 0x1bf // 配置总线为198Mhz