Merge pull request #12 from peachcloud/2021_update
Add active repositories and remove dev setup doc
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DEV_SETUP.md
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DEV_SETUP.md
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# PeachCloud
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## Development Environment
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### Background
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In order to be flexible in supporting single-board computers beyond the Raspberry Pi alone, and to take full advantage of 64-bit support on ARMv8 devices, development for PeachCloud is being targeted at Debian ARM64.
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No official image has yet been released by Debian for the Raspberry Pi 3, though a preview image of Debian 10 (Buster) is available [from their wiki](https://wiki.debian.org/RaspberryPi3). The major known issue with that preview image is broken wireless (the built-in wireless interface does not work). Fortunately, Michael Stapelberg has posted [an updated version of the preview image](https://people.debian.org/~stapelberg/2018/01/08/raspberry-pi-3) with WiFi that works out of the box.
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### Operating System
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Debian 10 (Buster). Kernel version: 4.14.0-3-arm64.
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### Hardware
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Raspberry Pi 3B+.
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### Packages
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List of all packages manually-installed during development environment setup.
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`man-db, locales, sudo, vim, git, build-essential, wget, network-manager, net-tools, curl, hostapd, dnsmasq, openssh-server, iptables-persistent, ufw, bridge-utils, ntp, ssl-cert, wpasupplicant, avahi-daemon, libssl-dev, pkg-config, i2c-tools, nmtui`
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_Note: This list may be incomplete and will be checked during the next phase of development._
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### Software Setup
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Install Rust using [rustup](https://rustup.rs/):
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`curl https://sh.rustup.rs -sSf | sh`
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_Note: This method of installation will fail with SSL cert errors if the datetime is not correctly set on the Pi and / or the `ssl-cert` package is not installed._
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Set Rust to nightly (necessary for compiling [Rocket](https://rocket.rs)):
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`rustup default nightly`
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### Hardware Setup
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**RTC over I²C**
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_Tested with DS1338 RTC module._
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Ensure `i2c-tools` Debian package has been installed. Then run the following to ensure the RTC is correctly wired and connected to the Pi:
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`sudo modprobe i2c-dev`
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`sudo i2cdetect -y 1`
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The final command in the sequence prints an array to the console, with 68 denoting the presence of the RTC module. This is a sign that the device is properly wired and connected.
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Append the following two lines to `/boot/firmware/config.txt`:
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`dtoverlay=i2c-rtc,ds1307`
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`dtparam=i2c_arm=on`
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Add required kernel modules:
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`sudo modprobe i2c-bcm2835`
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`sudo modprobe rtc-ds1307`
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Append the following three lines to `/etc/modules`:
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`i2c-dev`
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`i2c-bcm2835`
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`rtc-ds1307`
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Apply the `dtb` patch detailed in the **Bug Fixes** section of this document (below).
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Initialize the device by running the following commands:
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`sudo bash`
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`echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device`
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`exit`
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Run the `i2cdetect` tool to ensure the RTC kernel driver is working:
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`sudo i2cdetect -y 1`
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A `UU` entry in the output arrays denotes success. If you still see `68` or similar, the module is not being controlled by the kernel driver.
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_Note: This Scuttlebutt dev-diary post by @glyph documents the process step-by-step (%aEVy1gyTSl4qrbazrwrgnrLs4pRVobELwQjH/TUtsAc=.sha256)._
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**GPIO**
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GPIO appears to be working out-of-the-box, but be aware that all pin numbers are offset by 458 for Debian on the Raspberry Pi 3 (as mentioned in the [Debian RaspberryPi3 wiki](https://wiki.debian.org/RaspberryPi3)).
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### Bug Fixes
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The clock frequency property is not set for I²C in the device tree of the Debian image we are working with. The `dtb` (device tree blob) must be decompiled, patched, and recompiled.
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Copy the existing `dtb` to a temporary working directory (exact location is up to you):
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`cp /boot/firmware/bcm2837-rpi-3-b.dtb /tmp/`
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`cd /tmp`
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Install the compiler / decompiler:
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`sudo apt-get install device-tree-compiler`
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Generate a human-readable decompiled device tree (`dts`):
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`dtc -I dtb -O dts > bcm2837-rpi-3-b.dts`
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Open the `dts` and add the clock-frequency property (line 570):
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`clock-frequency = <0x186a0>;`
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Save and exit the document. Recompile the patched `dts` to binary blob format:
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`dtc -O dtb -o bcm2837-rpi-3-b.dtb bcm2837-rpi-3-b.dts`
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Replace the existing `dtb` with the newly-patched version (you may wish to backup the old `dtb` first):
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`cp bcm2837-rpi-3-b.dtb /boot/firmware/bcm2837-rpi-3-b.dtb`
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Reboot and ensure no `i2c could not read clock-frequency property` errors persist in the kernel logs (`/var/log/kern.log`).
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44
README.md
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README.md
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@ -1,17 +1,49 @@
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# [PeachCloud](http://peachcloud.org) :peach: :cloud:
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_better [Scuttlebutt](https://scuttlebutt.nz) cloud infrastructure as a hardware product._
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_Better [Scuttlebutt](https://scuttlebutt.nz) cloud infrastructure as a hardware product._
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[**_support us on OpenCollective!_**](https://opencollective.com/peachcloud)
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[**_Support us on OpenCollective!_**](https://opencollective.com/peachcloud)
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## background
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## Background
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- April 2018 project proposal: [`%HqwAsltORROCh4uyOq6iV+SsqU3OuNUevnq+5dwCqVI=.sha256`](https://viewer.scuttlebot.io/%25HqwAsltORROCh4uyOq6iV%2BSsqU3OuNUevnq%2B5dwCqVI%3D.sha256)
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- November 2018 project pivot: [`%9NCyTf+oBxG0APlXRCKtrGZj3t+i+Kp3pKPN1gtFX2c=.sha256`](https://viewer.scuttlebot.io/%259NCyTf%2BoBxG0APlXRCKtrGZj3t%2Bi%2BKp3pKPN1gtFX2c%3D.sha256)
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## [TODO](https://github.com/orgs/peachcloud/projects/4)
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## Active Repositories
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## dev diaries
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**Documentation**
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- [peach-devdocs](https://github.com/peachcloud/peach-devdocs) - Developer documentation for PeachCloud in the form of a Markdown book
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**Devops**
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- [peach-vps](https://github.com/peachcloud/peach-vps) - Setup scripts and configuration files for deploying a PeachCloud development server
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**Image building & device configuration**
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- [peach-config](https://github.com/peachcloud/peach-config) - Configuration instructions, files and scripts
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- [peach-img-builder](https://github.com/peachcloud/peach-img-builder) - Vmdb2 script for building a Debian disc image for Raspberry Pi with PeachCloud pre-installed
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**Microservices**
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- [peach-buttons](https://github.com/peachcloud/peach-buttons) - Emit GPIO events using JSON-RPC pubsub over WS
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- [peach-oled](https://github.com/peachcloud/peach-oled) - Write and draw to OLED display using JSON-RPC over HTTP
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- [peach-menu](https://github.com/peachcloud/peach-menu) - A menu for monitoring and interacting with the PeachCloud device
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- [peach-network](https://github.com/peachcloud/peach-network) - Query and configure network interfaces using JSON-RPC over HTTP
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- [peach-stats](https://github.com/peachcloud/peach-stats) - Query system statistics using JSON-RPC over HTTP
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- [peach-lib](https://github.com/peachcloud/peach-lib) - JSON-RPC client library for the PeachCloud ecosystem
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- [peach-monitor](https://github.com/peachcloud/peach-monitor) - Monitor network data usage and set alert flags based on user-defined thresholds
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**Diagnostics**
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- [peach-probe](https://github.com/peachcloud/peach-probe) - Probe PeachCloud microservices to evaluate their state and ensure correct API responses
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**Web interface**
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- [peach-patterns](https://github.com/peachcloud/peach-patterns) - Pattern library for the PeachCloud UI design system
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- [peach-web](https://github.com/peachcloud/peach-web) - A web interface for monitoring and interacting with the PeachCloud device
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## Developer Diaries
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- [@ahdinosaur](https://github.com/ahdinosaur): `@6ilZq3kN0F+dXFHAPjAwMm87JEb/VdB+LC9eIMW3sa0=.ed25519`
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- 1: [`%bSkZCJBmNYUmECNKYOiWkgEeRxrlo2UghNBzE6Cph94=.sha256`](https://viewer.scuttlebot.io/%25bSkZCJBmNYUmECNKYOiWkgEeRxrlo2UghNBzE6Cph94%3D.sha256)
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@ -19,7 +51,7 @@ _better [Scuttlebutt](https://scuttlebutt.nz) cloud infrastructure as a hardware
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- [@mycognosist](https://github.com/mycognosist): `@HEqy940T6uB+T+d9Jaa58aNfRzLx9eRWqkZljBmnkmk=.ed25519`
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- [`%mKUByRp4Gib6fqP1q2/dHg+ueSoR+Sj2Y0D7T0Np0D4=.sha256`](https://viewer.scuttlebot.io/%25mKUByRp4Gib6fqP1q2%2FdHg%2BueSoR%2BSj2Y0D7T0Np0D4%3D.sha256)
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## accounts
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## Accounts
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- [GitHub](https://github.com/peachcloud)
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- [Twitter](https://twitter.com/peachcloudorg)
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