Orchard Firmware Developer's Guide

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Orchard Firmware Developer's Guide

For the sake of convenience, Orchard firmware development, including compilation, flashing, and manufacturing provisioning is all done with a single tool: A Raspberry Pi.

Recommended tools:


1. Download the RPi firmware image (~2.5GiB). 2. Image the downloaded firmware onto an SD card using the following Linux command:

zcat orchard-pi-dev.img.gz | sudo dd of=/dev/sdX bs=1M   # for SD cards mounted via USB adapters


zcat orchard-pi-dev.img.gz | sudo dd of=/dev/mmcblkX bs=1M  # for machines with directly accessible SD cards

Note that /dev/sdX is the device node of the SD card as mounted on your Linux system. If you don't know what we're talking about, be careful, because if you pick the wrong /dev/sdX node you'll end up destroying your local system boot disk.

3. Insert card into RPi and boot. Figure out the IP address of the RPi and ssh into it.

  • If you don't know how to get the IP address, one method is to access the local router configuration page and query the DHCP client list and look for the rasperrypi client. This works if you're in a home environment where you have access to the local DHCP server
  • If you don't have access to that, you can plug in an HDMI monitor and keyboard and find the IP address using ifconfig