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Manual Installation Instructions (on Linux)

Create the base image from Raspberry Pi OS buster, and flash it to a microSD card.

make image-buster

Username: xmrsigner Password: xmrsigner

Plug the pi zero into your usb and on the pi zero end in the USB OTG port.

make dev-device-shell

will search the pi on you usb ethernet port, and ssh with the ssh key into the pi as user xmrsigner

Now launch the Raspberry Pi's System Configuration tool using the command:

sudo raspi-config

Set the following:

  • Interface Options:
    • Camera: enable
    • SPI: enable
  • Localisation Options:
    • Locale: arrow up and down through the list and select or deselect languages with the spacebar.
      • Deselect the default language option that is selected
      • Select en_US.UTF-8 UTF-8 for US English
  • You will also need to configure the WiFi settings if you are using the #1 option above to connect to the internet

When you exit the System Configuration tool, you will be prompted to reboot the system; allow the system to reboot and continue with these instructions.

Install dependencies

Copy this entire box and run it as one command (will take 15-20min to complete):

sudo apt-get update && sudo apt-get install -y wiringpi python3-pip \
   python3-numpy python-pil libopenjp2-7 git python3-opencv \
   python3-picamera libatlas-base-dev qrencode

Install zbar

zbar is "an open source software suite for reading bar codes" (more info here: https://github.com/mchehab/zbar).

SeedSigner requires zbar at 0.23.x or higher.

Download the binary:

curl -L http://raspbian.raspberrypi.org/raspbian/pool/main/z/zbar/libzbar0_0.23.90-1_armhf.deb --output libzbar0_0.23.90-1_armhf.deb

And then install it:

sudo apt install ./libzbar0_0.23.90-1_armhf.deb

Cleanup:

rm libzbar0_0.23.90-1_armhf.deb

Install the C library for Broadcom BCM 2835

This library "provides functions for reading digital inputs and setting digital outputs, using SPI and I2C, and for accessing the system timers."

Run each of the following individual steps:

wget http://www.airspayce.com/mikem/bcm2835/bcm2835-1.60.tar.gz
tar zxvf bcm2835-1.60.tar.gz
cd bcm2835-1.60/
sudo ./configure
sudo make && sudo make check && sudo make install
cd ..
rm bcm2835-1.60.tar.gz
sudo rm -rf bcm2835-1.60

Install XmrSigner

sudo mkdir -p /opt/xmrsigner
sudo chown -R xmrsigner:xmrsigner /opt/xmrsigner
cd /opt/xmrsigner
python3 -m venv .

Then logout of the XmrSigner and

make dev-device-install-requirements
make dev-device-rsync

will install the requirements and copy the source of XmrSigner to the XmrSigner development device

Finally:

make dev-device-reboot

After the pi zero cam up again, you can wath the logfile with:

make dev-device-log

I know it is still a bit complicated but I ran out of time, I will integrate this all in make image-buster ASAP.