how-to-setup-dji-m100.md

@@ -212,4 +212,42 @@ Using Manifold to Control Matrice 100
 https://dl.djicdn.com/downloads/manifold/en/Using_Manifold_to_Control_Matrice_100_en.pdf
 
 Using Manifold to Acquire Data from X3 Camera
-https://dl.djicdn.com/downloads/manifold/en/Using_the_Manifold_to_Acquire_Data_from_X3_Camera_demo2_en_v1.1.pdf
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+https://dl.djicdn.com/downloads/manifold/en/Using_the_Manifold_to_Acquire_Data_from_X3_Camera_demo2_en_v1.1.pdf
+
+## Nvidia Jetson TX1: Flashing procedure 
+*Note: the host MUST have Ubuntu 14.04 and at least 15GB space (if you wish to also clone another TX1, you need an additional 15GB).
+
+1- Download the latest version of jetpack. 
+
+https://developer.nvidia.com/embedded/jetpack
+
+2- Follow installation procedure that is given. 
+
+http://docs.nvidia.com/jetpack-l4t/index.html#developertools/mobile/jetpack/l4t/2.3/jetpack_l4t_install.htm
+
+When it gets to the Component Manager to review the packages, make sure to pick **JetPack L4T 2.2.1**. Then choose Jetson TX1 32-bit and ubuntu host. After flashing it will ask if you would like the post installation packages of CUDA, OpenCV, etc. You can cancel and exit here if you do not need these packages or wish to restore an image. If you are unable to connect to internet after flashing, try:
+```
+dhclient -r eth0
+sudo dhclient eth0
+```
+**TO CLONE**
+
+cd into the directory containing the L4T bootloader on the host PC (../Linux_for_Tegra_32_tx1/bootloader). Connect the TX1 via USB and place the system in Force USB Recovery Mode. When the device is in this mode, the command 'lsusb'  should show Nvidia Corp.The command below will save the 15GB eMMC image to the specified file on the host PC. 
+```
+sudo ./tegraflash.py --bl cboot.bin --applet nvtboot_recovery.bin --chip 0x21 --cmd "read APP my_backup_image_APP.img"
+```
+*To clone will take 15GB and 1 to 2 hours to complete.*
+
+**TO RESTORE**
+
+cd into the directory containing the L4T bootloader on the host PC (../Linux_for_Tegra_32_tx1/bootloader). Connect the TX1 via USB and place the system in Force USB Recovery Mode. When the device is in this mode, the command 'lsusb'  should show Nvidia Corp. The command below will restore the 15GB eMMC image from the host PC to the TX1.
+```
+sudo ./tegraflash.py --bl cboot.bin --applet nvtboot_recovery.bin --chip 0x21 --cmd "write APP my_backup_image_APP.img"
+```
+*To restore will take 1 to 2 hours to complete.*
+
+After restoring, press the reset button on the TX1 to exit Force USB Recovery Mode. You may need to wait up to 5 minutes before it connects to a monitor. 
+
+The following files should be changed for proper renaming of the drone: /etc/hostname, /etc/hostapd/hostapd.conf, and /etc/hosts.
+
+To ensure it can connect to the network, look to "/etc/udev/rules.d/70-persistent..." and comment out the lines with eth0 and wlan0. Then change the lines with eth1 and wlan1 to be eth0 and wlan0.
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