Lingxiang Zheng lxzheng

## c_api.h
/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,

## rec.sh
#!/bin/bash
if [[ "$1" == "" ]]; then
   echo usage: $0 file.mp4
   exit
fi
export LANG=C
echo "select the window with mouse for recording:"
geo=`xwininfo |grep geometry`
loc=${geo#*geometry }
size=${loc%%+*}

## del_local_route.sh
for i in {2..7}
do
	sudo route del -net 192.168.1.$[2**i] netmask 255.255.255.$[256-2**i]
done
for i in 0 3
do
	sudo route del -net 192.168.1.$i netmask 255.255.255.255
done

## rp4_usb_gadget_ethernet_uart.md

      
              1 file
            
          
              0 forks
            
          
                0 comments
              
            
              0 stars
            
          
                lxzheng
                / rp4_usb_gadget_ethernet_uart.md
            
            
              Last active
              July 16, 2022 02:52
            
              
                raspberrypi 4 USB OTG gadget ethernet
              
          
    树莓派4虚拟网卡与串口终端

树莓派在启动时, 会从SD卡里读取一些系统配置参数. 包括硬件功能等，这些参数配置储存在/boot/config.txt文件中。在linux内核启动时，可以指定一些相关的启动参数，在树莓派中，内核命令行启动参数存放在/boot/cmdline.txt。在树莓派4中启动USB虚拟网卡或串口终端需要修改这两个文件
USB 虚拟网卡配置

修改/boot/config.txt

在文件的[pi4]或[all]小节中添加如下配置。关于config.tx文件的详细说明参见 树莓派文档

  
## usb-freedos.txt
#download freedos iso img FD12CD.iso from http://www.freedos.org/
#download bios file and uzip to bios dir
#create an empty disk image
dd if=/dev/zero of=dos48m.img bs=1k count=48k
#install free dos to disk img
qemu-system-x86_64 -cdrom FD12CD.iso dos48m.img -boot d
#after installed the free dos, mount the disk image and copy bios flash files into the img.
sudo losetup -P -f dos48m.img
losetup -j dos48m.img
#mount the foud out loop dev loop19p1

## autoipv6
#!/bin/sh
INTERFACE=$1 # 状态发生变化的网络接口
STATUS=$2 # 网络接口的新状态：up, down, vpn-up, vpn-down

IF_WIFI=wlp2s0
IF_ETH=enp0s25
IPV4_DEV=ppp0
ISATAP_ROUTER=210.34.219.49
XMU_IPV6_PREFIX=2001:da8:e800:45c0:200:5efe
LANG=en
	/* Copyright 2018 The TensorFlow Authors. All Rights Reserved.

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	#!/bin/bash
	if [[ "$1" == "" ]]; then
	echo usage: $0 file.mp4
	exit
	fi
	export LANG=C
	echo "select the window with mouse for recording:"
	geo=`xwininfo \|grep geometry`
	loc=${geo#*geometry }
	size=${loc%%+*}
	for i in {2..7}
	do
	sudo route del -net 192.168.1.$[2i] netmask 255.255.255.$[256-2i]
	done
	for i in 0 3
	do
	sudo route del -net 192.168.1.$i netmask 255.255.255.255
	done
	#download freedos iso img FD12CD.iso from http://www.freedos.org/
	#download bios file and uzip to bios dir
	#create an empty disk image
	dd if=/dev/zero of=dos48m.img bs=1k count=48k
	#install free dos to disk img
	qemu-system-x86_64 -cdrom FD12CD.iso dos48m.img -boot d
	#after installed the free dos, mount the disk image and copy bios flash files into the img.
	sudo losetup -P -f dos48m.img
	losetup -j dos48m.img
	#mount the foud out loop dev loop19p1
	#!/bin/sh
	INTERFACE=$1 # 状态发生变化的网络接口
	STATUS=$2 # 网络接口的新状态：up, down, vpn-up, vpn-down

	IF_WIFI=wlp2s0
	IF_ETH=enp0s25
	IPV4_DEV=ppp0
	ISATAP_ROUTER=210.34.219.49
	XMU_IPV6_PREFIX=2001:da8:e800:45c0:200:5efe
	LANG=en