Ethernet Over USB net helper script and docs
- for CDC ECM driver
Squashed commit of the following:
commit aa9a715498e15ad46d43318a663d296f38160cf8
Author: Adam Feuer <adam@starcat.io>
Date: Mon Feb 24 16:42:52 2020 -0800
code formatting; removed ping
commit 56520b7f7e2b7f03697eacc2f2b5450b0f7af676
Author: Adam Feuer <adam@starcat.io>
Date: Mon Feb 24 16:42:32 2020 -0800
add description of netusb.sh helper script
commit afee3d33b1e66138afb7e9713d86b765ceab55b0
Author: Adam Feuer <adam@starcat.io>
Date: Mon Feb 24 16:41:40 2020 -0800
readme formatting
commit 772e36021f4aee2ba1df408ad29d8b9adedeed9f
Author: Adam Feuer <adam@starcat.io>
Date: Sun Feb 23 11:38:50 2020 -0800
updated readme, removed redundant configs
commit 082785178aa6e0d1578034b4b163785fdcb61f22
Author: Adam Feuer <adam@starcat.io>
Date: Sat Feb 22 17:40:05 2020 -0800
README, defconfig, and helper script improvements
This commit is contained in:
Adam Feuer
Xiang Xiao
parent
90eed5c8f8
commit
511e548613
@ -790,7 +790,9 @@ Networking
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Networking support via the can be added to NSH by selecting the following
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configuration options. The SAMA5D36 supports two different Ethernet MAC
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peripherals: (1) The 10/100Base-T EMAC peripheral and (2) the
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10/100/1000Base-T GMAC peripheral.
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10/100/1000Base-T GMAC peripheral. Ethernet over USB using the
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CDC ECM driver is also supported, and should work on Linux, macOS, and
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Windows.
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Selecting the EMAC peripheral
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-----------------------------
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@ -834,6 +836,21 @@ Networking
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PHY selection. Later in the configuration steps, you will need to select
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the KSZ9081 PHY for GMAC (See below)
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Selecting Ethernet over USB (CDC ECM driver)
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--------------------------------------------
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This uses the USB 2.0 connector labeled USB-A. On the host computer you will
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need to configure the CDC ECM Ethernet over USB driver (see below for Linux
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configuration script).
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CONFIG_USBDEV=y
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CONFIG_USBDEV_DMA=y
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CONFIG_USBDEV_DUALSPEED=y
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CONFIG_NET_CDCECM=y
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CONFIG_NET_ETH_PKTSIZE=1514
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You can also use the defconfig file in `boards/arm/sama5/sama5d3-xplained/configs/ethernet-over-usb-2-high-speed`.
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Common configuration settings
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-----------------------------
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@ -1019,6 +1036,69 @@ Networking
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CONFIG_NSH_NETINIT_RETRYMSEC=2000 : Configure the network monitor as you like
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CONFIG_NSH_NETINIT_SIGNO=18
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Ethernet Over USB Configuration Script
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--------------------------------------
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There is a configuration script for Linux that will configure the USB Ethernet interface,
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it is in `tools/netusb.sh`. You can use it as follows:
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Once you boot a NuttX system with the CDC ECM Ethernet over USB device, the Linux network interface
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will be added to your system. You should see something like the following messages in
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/var/log/kern.log:
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[302074.552879] usb 1-2: new high-speed USB device number 107 using ehci-pci
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[302074.718264] usb 1-2: New USB device found, idVendor=0525, idProduct=a4a2, bcdDevice= 1.00
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[302074.718267] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
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[302074.718269] usb 1-2: Product: CDC/ECM Ethernet
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[302074.718271] usb 1-2: Manufacturer: NuttX
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[302074.718272] usb 1-2: SerialNumber: 0
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[302074.760638] cdc_ether 1-2:1.0 usb0: register 'cdc_ether' at usb-0000:02:03.0-2, CDC Ethernet Device, 02:00:00:11:22:33
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[302074.796215] cdc_ether 1-2:1.0 ens160u4u2: renamed from usb0
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If you execute the command 'ifconfig -a' you should see a new interface:
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$ ifconfig -a
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ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
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inet 192.168.46.156 netmask 255.255.255.0 broadcast 192.168.46.255
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inet6 fe80::20c:29ff:fe57:d0f8 prefixlen 64 scopeid 0x20<link>
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ether 00:0c:29:57:d0:f8 txqueuelen 1000 (Ethernet)
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RX packets 7628014 bytes 2002078802 (2.0 GB)
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RX errors 0 dropped 0 overruns 0 frame 0
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TX packets 6040388 bytes 5327276865 (5.3 GB)
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TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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ens160u4u2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
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inet6 fe80::ff:fe11:2233 prefixlen 64 scopeid 0x20<link>
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ether 02:00:00:11:22:33 txqueuelen 1000 (Ethernet)
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RX packets 36798 bytes 51705300 (51.7 MB)
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RX errors 0 dropped 0 overruns 0 frame 0
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TX packets 24196 bytes 1312512 (1.3 MB)
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TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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ens33 is the host Ethernet or wireless LAN interface. ens160u4u2 is the USB Ethernet
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interface.
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The script will bring up the interface, configure it, and set up routes and IP Tables rules so the
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nuttx system can access the internet:
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$ sudo ./tools/netusb.sh ens33 ens160u4u2 on
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This will bring down the interface, configure it, and delete routes and IP Tables rules:
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$ sudo ./tools/netusb.sh ens33 ens160u4u2 off
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Now that the new interface has an IP address, you can ping the NuttX box at 10.0.0.2
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(or whatever IP address you configured it to have). If you configured the telnet daemon
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and started it, you should be able to telnet to the board using:
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$ telnet 10.0.0.2
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The helper script also sets up Network Address Translation (NAT) so the NuttX system
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can access the Internet. If that is not what you want, you can remove the iptables
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AT25 Serial FLASH
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=================
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@ -1380,86 +1460,10 @@ USB High-Speed Device
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CDC/ECM Ethernet Over USB
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-------------------------
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This will select the CDC/ECM Ethernet over USB device. Defaults for the other
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options should be okay.
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This allows networking to the host system via Ethernet over USB. See the
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Networking section for configuration. On USB 2.0 High Speed, the CDC ECM
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driver uses DMA and can transfer 4.4 MBytes/sec (34 Mbits/sec).
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CONFIG_NET_CDCECM=y
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CONFIG_CDCECM_EP0MAXPACKET=64
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CONFIG_CDCECM_EPINTIN=1
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CONFIG_CDCECM_EPINTIN_FSSIZE=16
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CONFIG_CDCECM_EPINTIN_HSSIZE=16
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CONFIG_CDCECM_EPBULKOUT=5
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CONFIG_CDCECM_EPBULKOUT_FSSIZE=64
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CONFIG_CDCECM_EPBULKOUT_HSSIZE=512 # needed for non-fragmentation IP and ICMP packets in HS mode
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CONFIG_CDCECM_EPBULKIN=2
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CONFIG_CDCECM_EPBULKIN_FSSIZE=64
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CONFIG_CDCECM_EPBULKIN_HSSIZE=512 # needed for non-fragmentation IP and ICMP packets in HS mode
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CONFIG_CDCECM_VENDORID=0x0525
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CONFIG_CDCECM_PRODUCTID=0xa4a2
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CONFIG_CDCECM_VENDORSTR="NuttX"
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CONFIG_CDCECM_PRODUCTSTR="CDC/ECM Ethernet"
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There are two defconfig files that have been tested with these configurations:
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ethernet-over-usb/defconfig
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ethernet-over-usb-telnetd/defconfig
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The latter has a telnetd enabled, so once the system boots, you can issue the telnetd command,
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and then telnet into it from the host.
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To use them, copy them to .config, and run 'make menuconfig' (you don't have to change anything),
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then save the file. Then run 'make' to make NuttX.
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On Linux, a helper script is provided called helpers/netusb-up.sh. This script can be used
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to configure the Linux USB Ethernet Gadget network interface. Once you boot a NuttX system with the
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CDC ECM Ethernet over USB device, the Linux network interface will be added to your system. You should
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see something like the following messages in /var/log/kern.log:
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[302074.552879] usb 1-2: new high-speed USB device number 107 using ehci-pci
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[302074.718264] usb 1-2: New USB device found, idVendor=0525, idProduct=a4a2, bcdDevice= 1.00
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[302074.718267] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
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[302074.718269] usb 1-2: Product: CDC/ECM Ethernet
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[302074.718271] usb 1-2: Manufacturer: NuttX
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[302074.718272] usb 1-2: SerialNumber: 0
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[302074.760638] cdc_ether 1-2:1.0 usb0: register 'cdc_ether' at usb-0000:02:03.0-2, CDC Ethernet Device, 02:00:00:11:22:33
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[302074.796215] cdc_ether 1-2:1.0 ens35u2: renamed from usb0
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If you execute the command 'ifconfig -a' you should see a new interface:
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$ ifconfig -a
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ens35u2: flags=4098<BROADCAST,MULTICAST> mtu 576
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ether 02:00:00:11:22:33 txqueuelen 1000 (Ethernet)
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RX packets 0 bytes 0 (0.0 B)
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RX errors 0 dropped 0 overruns 0 frame 0
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TX packets 0 bytes 0 (0.0 B)
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TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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If you run the netusb-up.sh script, then do ifconfig, you should see the following:
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$ sudo ./netusb-up.sh
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$ ifconfig -a
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ens35u2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 576
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ether 02:00:00:11:22:33 txqueuelen 1000 (Ethernet)
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RX packets 0 bytes 0 (0.0 B)
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RX errors 0 dropped 0 overruns 0 frame 0
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TX packets 15 bytes 2477 (2.4 KB)
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TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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ens35u2:0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 576
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inet 10.0.0.1 netmask 255.255.255.0 broadcast 10.0.0.255
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ether 02:00:00:11:22:33 txqueuelen 1000 (Ethernet)
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Now that the new interface has an IP address, you can ping the NuttX box at 10.0.0.2
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(or whatever IP address you configured it to have). If you used the telnet defconfig,
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you should be able to telnet to the board using:
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$ telnet 10.0.0.2
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The helper script also sets up Network Address Translation (NAT) so the NuttX system
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can access the Internet. If that is not what you want, you can remove the iptables
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NAT commands from the script.
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Debugging USB Device
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--------------------
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@ -25,11 +25,13 @@ CONFIG_BOARDCTL_USBDEVCTRL=y
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CONFIG_BOARD_LOOPSPERMSEC=65775
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CONFIG_BOOT_RUNFROMSDRAM=y
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CONFIG_BUILTIN=y
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CONFIG_CDCECM_EPINTIN_HSSIZE=16
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DEV_LOOP=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_EXAMPLES_TCPBLASTER=y
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CONFIG_EXAMPLES_TCPBLASTER_GROUPSIZE=200
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CONFIG_EXAMPLES_TCPECHO=y
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CONFIG_EXAMPLES_WGET=y
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CONFIG_EXAMPLES_WGET_URL="http://10.0.0.1/"
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CONFIG_FAT_LCNAMES=y
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@ -37,11 +39,13 @@ CONFIG_FAT_LFN=y
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CONFIG_FS_FAT=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_EXCLUDE_VERSION=y
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CONFIG_FS_ROMFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_INTELHEX_BINARY=y
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CONFIG_IOB_NBUFFERS=24
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CONFIG_IOB_THROTTLE=0
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CONFIG_INTERPRETERS_CHIBI_SCHEME=y
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CONFIG_IOB_NBUFFERS=72
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CONFIG_IOB_THROTTLE=16
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CONFIG_MAX_TASKS=16
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CONFIG_MAX_WDOGPARMS=2
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CONFIG_MMCSD=y
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@ -49,17 +53,18 @@ CONFIG_NETINIT_NETLOCAL=y
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CONFIG_NETINIT_NOMAC=y
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CONFIG_NETUTILS_NETLIB_GENERICURLPARSER=y
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CONFIG_NETUTILS_TELNETC=y
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CONFIG_NETUTILS_TELNETD=y
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CONFIG_NETUTILS_WEBCLIENT=y
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CONFIG_NET_ARP_IPIN=y
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CONFIG_NET_ARP_SEND=y
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CONFIG_NET_BROADCAST=y
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CONFIG_NET_CDCECM=y
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CONFIG_NET_ETH_PKTSIZE=1514
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CONFIG_NET_ICMP=y
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CONFIG_NET_ICMP_SOCKET=y
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CONFIG_NET_ROUTE=y
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CONFIG_NET_STATISTICS=y
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CONFIG_NET_TCP=y
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CONFIG_NET_TCPBACKLOG=y
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CONFIG_NET_TCP_NOTIFIER=y
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CONFIG_NET_TCP_WRITE_BUFFERS=y
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CONFIG_NET_UDP=y
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@ -69,6 +74,7 @@ CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_PROMPT_STRING="nsh> "
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CONFIG_NSH_ROMFSETC=y
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CONFIG_PREALLOC_MQ_MSGS=4
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PREALLOC_WDOGS=16
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@ -96,8 +102,13 @@ CONFIG_SAMA5_PIO_IRQ=y
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CONFIG_SAMA5_UART1=y
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CONFIG_SAMA5_UDPHS=y
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CONFIG_SCHED_HPWORK=y
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CONFIG_SCHED_LPNTHREADS=2
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CONFIG_SCHED_LPWORK=y
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CONFIG_SCHED_WAITPID=y
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CONFIG_SDCLONE_DISABLE=y
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CONFIG_SERIAL_TERMIOS=y
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CONFIG_SIG_DEFAULT=y
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CONFIG_SIG_EVTHREAD=y
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CONFIG_START_DAY=31
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CONFIG_START_MONTH=7
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CONFIG_START_YEAR=2014
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@ -111,8 +122,12 @@ CONFIG_SYSTEM_NSH=y
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CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
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CONFIG_SYSTEM_PING=y
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CONFIG_SYSTEM_VI=y
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CONFIG_TTY_SIGINT=y
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CONFIG_TTY_SIGSTP=y
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CONFIG_USBDEV=y
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CONFIG_USBDEV_DMA=y
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CONFIG_USBDEV_DUALSPEED=y
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CONFIG_USBDEV_TRACE=y
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CONFIG_USBDEV_TRACE_NRECORDS=512
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CONFIG_USER_ENTRYPOINT="nsh_main"
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CONFIG_WDOG_INTRESERVE=2
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@ -1,117 +0,0 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_DISABLE_OS_API is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="sama5d3-xplained"
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CONFIG_ARCH_BOARD_SAMA5D3_XPLAINED=y
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CONFIG_ARCH_CHIP="sama5"
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CONFIG_ARCH_CHIP_ATSAMA5D36=y
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CONFIG_ARCH_CHIP_SAMA5=y
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CONFIG_ARCH_CHIP_SAMA5D3=y
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CONFIG_ARCH_INTERRUPTSTACK=2048
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CONFIG_ARCH_IRQPRIO=y
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CONFIG_ARCH_LOWVECTORS=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARM_SEMIHOSTING_SYSLOG=y
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CONFIG_BOARDCTL_USBDEVCTRL=y
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CONFIG_BOARD_LOOPSPERMSEC=65775
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CONFIG_BOOT_RUNFROMSDRAM=y
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CONFIG_BUILTIN=y
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CONFIG_CDCECM_EPINTIN_HSSIZE=16
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_SYMBOLS=y
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CONFIG_DEV_LOOP=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_EXAMPLES_WGET=y
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CONFIG_EXAMPLES_WGET_URL="http://10.0.0.1/"
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CONFIG_FAT_LCNAMES=y
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CONFIG_FAT_LFN=y
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CONFIG_FS_FAT=y
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CONFIG_FS_PROCFS=y
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CONFIG_FS_PROCFS_EXCLUDE_VERSION=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_INTELHEX_BINARY=y
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CONFIG_IOB_NBUFFERS=24
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CONFIG_IOB_THROTTLE=0
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CONFIG_MAX_TASKS=16
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CONFIG_MAX_WDOGPARMS=2
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CONFIG_MMCSD=y
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CONFIG_NETINIT_NETLOCAL=y
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CONFIG_NETINIT_NOMAC=y
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CONFIG_NETUTILS_NETLIB_GENERICURLPARSER=y
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CONFIG_NETUTILS_TELNETC=y
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CONFIG_NETUTILS_WEBCLIENT=y
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CONFIG_NET_ARP_IPIN=y
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CONFIG_NET_ARP_SEND=y
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CONFIG_NET_BROADCAST=y
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CONFIG_NET_CDCECM=y
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CONFIG_NET_ICMP=y
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CONFIG_NET_ICMP_SOCKET=y
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CONFIG_NET_ROUTE=y
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CONFIG_NET_STATISTICS=y
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CONFIG_NET_TCP=y
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CONFIG_NET_TCP_NOTIFIER=y
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CONFIG_NET_TCP_WRITE_BUFFERS=y
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CONFIG_NET_UDP=y
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CONFIG_NFILE_DESCRIPTORS=8
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CONFIG_NFILE_STREAMS=8
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_PROMPT_STRING="nsh> "
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CONFIG_PREALLOC_MQ_MSGS=4
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PREALLOC_WDOGS=16
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CONFIG_RAM_SIZE=268435456
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CONFIG_RAM_START=0x20000000
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CONFIG_RAM_VSTART=0x20000000
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CONFIG_RAW_BINARY=y
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CONFIG_READLINE_CMD_HISTORY=y
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CONFIG_READLINE_CMD_HISTORY_LEN=100
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CONFIG_READLINE_CMD_HISTORY_LINELEN=120
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CONFIG_READLINE_TABCOMPLETION=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SAMA5D3XPLAINED_528MHZ=y
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CONFIG_SAMA5_BOOT_SDRAM=y
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CONFIG_SAMA5_DBGU=y
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CONFIG_SAMA5_DBGU_CONSOLE=y
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CONFIG_SAMA5_DBGU_NOCONFIG=y
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CONFIG_SAMA5_HSMC=y
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CONFIG_SAMA5_PIOA_IRQ=y
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CONFIG_SAMA5_PIOB_IRQ=y
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CONFIG_SAMA5_PIOC_IRQ=y
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CONFIG_SAMA5_PIOD_IRQ=y
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CONFIG_SAMA5_PIOE_IRQ=y
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CONFIG_SAMA5_PIO_IRQ=y
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CONFIG_SAMA5_UART1=y
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CONFIG_SAMA5_UDPHS=y
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CONFIG_SCHED_HPWORK=y
|
||||
CONFIG_SCHED_WAITPID=y
|
||||
CONFIG_SDCLONE_DISABLE=y
|
||||
CONFIG_START_DAY=31
|
||||
CONFIG_START_MONTH=7
|
||||
CONFIG_START_YEAR=2014
|
||||
CONFIG_SYMTAB_ORDEREDBYNAME=y
|
||||
CONFIG_SYSLOG_CHARDEV=y
|
||||
CONFIG_SYSLOG_TIMESTAMP=y
|
||||
CONFIG_SYSTEM_CLE_CMD_HISTORY=y
|
||||
CONFIG_SYSTEM_CLE_CMD_HISTORY_LEN=20
|
||||
CONFIG_SYSTEM_CLE_CMD_HISTORY_LINELEN=120
|
||||
CONFIG_SYSTEM_NSH=y
|
||||
CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
|
||||
CONFIG_SYSTEM_PING=y
|
||||
CONFIG_SYSTEM_VI=y
|
||||
CONFIG_USBDEV=y
|
||||
CONFIG_USBDEV_DMA=y
|
||||
CONFIG_USBDEV_DUALSPEED=y
|
||||
CONFIG_USER_ENTRYPOINT="nsh_main"
|
||||
CONFIG_WDOG_INTRESERVE=2
|
||||
@ -787,6 +787,25 @@ mkdeps.c, cnvwindeps.c, mkwindeps.sh, and mknulldeps.sh
|
||||
eventually be solvable but for now continue to use mkwindeps.sh in
|
||||
that mixed environment.
|
||||
|
||||
|
||||
netusb.sh
|
||||
---------
|
||||
|
||||
Helper script used to set up the CDC ECM Ethernet Over USB driver,
|
||||
host routes, and IP Tables rules to support networking with a NuttX
|
||||
system that has a CDC ECM Ethernet Over USB driver configured. Only
|
||||
supported on Linux.
|
||||
|
||||
General usage:
|
||||
|
||||
$ ./tools/netusb.sh
|
||||
Usage: tools/netusb.sh <main-interface> <usb-net-interface> <on|off>
|
||||
|
||||
This has been tested on the SAMA5D3-Xplained board; see
|
||||
`boards/arm/sama5/sama5d3-xplained/README.txt` for more information on how
|
||||
to configure the CDC ECM driver for that board.
|
||||
|
||||
|
||||
README.txt
|
||||
----------
|
||||
|
||||
|
||||
71
tools/netusb.sh
Executable file
71
tools/netusb.sh
Executable file
@ -0,0 +1,71 @@
|
||||
#!/bin/bash
|
||||
|
||||
#****************************************************************************
|
||||
# tools/simhostroute.sh
|
||||
#
|
||||
# Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
# contributor license agreements. See the NOTICE file distributed with
|
||||
# this work for additional information regarding copyright ownership. The
|
||||
# ASF licenses this file to you 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, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
#
|
||||
#****************************************************************************
|
||||
|
||||
# USB Ethernet Gadget interface helper script - sets up nuttx to access
|
||||
# the internet via a host route and IP Tables.
|
||||
|
||||
IP_NET="10.0.0.0/24"
|
||||
IP_NETMASK="255.255.255.0"
|
||||
IP_BROADCAST="10.0.0.255"
|
||||
IP_HOST="10.0.0.1"
|
||||
IP_NUTTX="10.0.0.2"
|
||||
|
||||
if [ $# != 3 ]; then
|
||||
echo "Usage: $0 <main-interface> <usb-net-interface> <on|off>"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
IF_HOST=$1
|
||||
IF_USB=$2
|
||||
STATUS=$3
|
||||
|
||||
net_off() {
|
||||
ip route delete $IP_NET
|
||||
ip route delete $IP_NUTTX/32
|
||||
|
||||
# delete nat rules to clean up
|
||||
iptables -t nat -D POSTROUTING -o $IF_HOST -j MASQUERADE
|
||||
iptables -D FORWARD -i $IF_HOST -o $IF_USB -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -D FORWARD -i $IF_USB -o $IF_HOST -j ACCEPT
|
||||
|
||||
ip route show
|
||||
ifconfig $IF_USB down
|
||||
}
|
||||
|
||||
if [ "$STATUS" == "on" ]; then
|
||||
net_off
|
||||
ifconfig $IF_USB up
|
||||
ifconfig -a
|
||||
ifconfig $IF_USB add $IP_HOST
|
||||
ifconfig $IF_USB:0 broadcast $IP_BROADCAST netmask $IP_NETMASK
|
||||
ip route add $IP_NET dev $IF_USB src $IP_HOST
|
||||
ip route add $IP_NUTTX/32 dev $IF_USB src $IP_HOST
|
||||
|
||||
# nat to allow NuttX to access the internet
|
||||
iptables -t nat -A POSTROUTING -o $IF_HOST -j MASQUERADE
|
||||
iptables -A FORWARD -i $IF_HOST -o $IF_USB -m state --state RELATED,ESTABLISHED -j ACCEPT
|
||||
iptables -A FORWARD -i $IF_USB -o $IF_HOST -j ACCEPT
|
||||
|
||||
ip route show
|
||||
else
|
||||
net_off
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user