2022-03-09 16:06:55 +00:00
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# SqueakPhone: Running Squeak Smalltalk as the UI for a PostmarketOS-based Cellphone
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2022-03-09 15:42:47 +00:00
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2022-03-09 16:06:55 +00:00
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License: MIT.
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2022-03-09 15:42:47 +00:00
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Copyright ©2020–2022 Tony Garnock-Jones.
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2022-03-09 16:06:55 +00:00
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SqueakPhone comes in two pieces: this is the `git`-based portion, and **there's another part
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that lives in [SqueakSource](https://squeaksource.com/SqueakPhone.html)**.
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2022-03-09 20:41:11 +00:00
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## Loading the Smalltalk code into an existing image
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You can work with most of the codebase without actually running it on a phone. (In fact, it
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also makes sense to transfer images back and forth between desktop VMs and the phone.)
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2022-03-09 16:06:55 +00:00
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The relevant packages to load into your Squeak image are:
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```smalltalk
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Installer squeaksource project: 'Preserves'; install: 'Preserves'.
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Installer squeaksource project: 'TouchScrolling'; install: 'TouchScrolling'.
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Installer squeaksource project: 'TiledMaps'; install: 'TiledMaps'.
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Installer squeaksource
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project: 'SyndicatedActors';
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install: 'BTree-Collections';
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install: 'SyndicatedActors'.
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Installer squeaksource
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project: 'SqueakPhone';
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install: 'LinuxIO';
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install: 'SqueakPhone'.
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```
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2022-03-09 20:41:11 +00:00
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## Building/installing the system for on-phone use
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2022-03-09 16:06:55 +00:00
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Follow these steps after [installing the base Synit
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system](https://synit.org/book/install.html).
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Check out the `squeak-phone` repository:
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git clone https://git.syndicate-lang.org/tonyg/squeak-phone
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Install [`squeaker`](https://github.com/tonyg/squeaker) so that the `squeaker` program is on
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your `$PATH`.
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Run `make dev`. Eventually, a window should open with a transient Squeak image with a fully
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loaded set of SqueakPhone packages.
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If that worked, try `make images/current`. Then, connect your phone, set up SSH to log in to
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it, and run
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```shell
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./push-image-to-phone.sh PHONEHOSTNAME
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```
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This will use `rsync` (which has to already have been installed with `apk add rsync` on the
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phone) to synchronise
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- the `images/current/` image files
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- the `sounds/` folder
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- `squeak.pr`, the `syndicate-server` configuration responsible for defining and starting the
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Squeak [synit](https://synit.org/) service.
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## Notes on working with PostmarketOS
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### How to use pmbootstrap
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2022-03-09 15:37:19 +00:00
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Switching devices:
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pmbootstrap config device <new_device>
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e.g.
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pmbootstrap config device pine64-pinephone
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pmbootstrap config device samsung-herolte
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pmbootstrap config device qemu-amd64
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Building for Samsung Galaxy S7 (samsung-herolte):
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pmbootstrap install --android-recovery-zip
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Building for Pinephone (pine64-pinephone):
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pmbootstrap install --sdcard BLOCKDEV
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Building for qemu-amd64:
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pmbootstrap install
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pmbootstrap qemu
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2022-03-09 16:06:55 +00:00
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### How to install on Samsung Galaxy S7
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2022-03-09 15:37:19 +00:00
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(See https://wiki.postmarketos.org/wiki/Installation_from_recovery_mode )
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Reboot holding power + home + volup to enter the recovery. Choose
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Advanced, ADB sideload.
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Then run
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pmbootstrap flasher --method adb sideload
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2022-03-09 16:06:55 +00:00
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### How to use RNDIS to connect via ssh over USB
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2022-03-09 15:37:19 +00:00
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(See https://wiki.postmarketos.org/wiki/USB_Network )
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For pinephone, which *does* get a MAC address for the RNDIS device:
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sudo ip a del 10.42.0.1/32 dev usb0
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sudo ip a add 172.16.42.2/32 dev usb0
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sudo ip r add 172.16.0.0/16 dev usb0
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SSH_AUTH_SOCK= ssh user@172.16.42.1
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... or, huh, just use DHCP to get an address from the phone! It turns
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out to work.
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The equivalent for samsung-herolte is similar but requires inventing a
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MAC address and assigning it at the link layer:
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sudo ip link set dev eth0 address 12:12:12:12:12:12
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sudo ip a add 172.16.42.2/32 dev eth0
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sudo ip r add 172.16.0.0/16 dev eth0
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SSH_AUTH_SOCK= ssh user@172.16.42.1
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2022-03-09 16:06:55 +00:00
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### How to set up WiFi on a running instance
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2022-03-09 15:37:19 +00:00
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(See https://wiki.postmarketos.org/wiki/WiFi)
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When you pick "none" UI, you get no nmcli *or* wpa_supplicant.
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Pick "console". Then you get both.
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sudo nmcli device wifi connect <SSID> password <PASSWORD> ifname wlan0
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