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Owner: User #524297
Pterodactyl
Feature Progress Matrix
| Feature | GUMSTIX | RASPBERRY PI | COTTON CANDY |
|---|---|---|---|
| Operating System | Linux (Yocto) |
Linux (Android) Linux (Ubuntu) |
|
| Cross-compiler Suite |
included in Ubuntu (gnueabi) |
included in Ubuntu (gnueabi-hf) |
included in Ubuntu (gnueabi) |
| USB support for external floppy | VERIFIED |
verified |
verified |
| Copy script runs successfully | verified |
verified |
verified |
| Systemd Service script | verified |
verified |
UNverified |
| External hardware support | GPIO | GPIO | |
| Visual Indicator (LEDLight Emitting Diode) | verified |
verified |
verified |
| Haptic Indicator (PWM Thumper) | verified |
verified |
UNverified |
| On-SD card Storage | verified |
Tentative EDBEmbedded Devices Branch Development Schedule
-
1 Jul 2013- Internal demonstration of 3 devices with pros/cons/observations
- 8 Jul 2013- Requirements List used for evaluation
-
11 Jul 2013- User #77554- Code Review (Time TBD)
- Systemd scripts- (User #77554)
-
C Source Code- (User #77554)
-
15 Jul 2013- Architecture Selection
- 29 Jul 2013- Final Package Selection
Gumstix Overo EarthSTORM + Pinto-TH Breakout Board
Building a Gumstix SD Card
- Requires: factory/mlo-updated, factory/u-boot, sakoman/uImage, sakoman/images/(root_filesystem_tarball)
- Using User #77555's unsupported Yocto Linux 3.5 image (sakoman-usb-gadget-multi-getty-image.tar.bz2),
- includes USBUniversal Serial Bus multi-gadget kernel module (g_multi.ko), which contains:
- mass storage (g_mass_storage.ko)
- serial console (g_serial.ko)
- ethernet (g_ether.ko)
- includes USBUniversal Serial Bus multi-gadget kernel module (g_multi.ko), which contains:
Console over USBUniversal Serial Bus on Mac OSOperating System X
- Requires drivers, install and reboot: FTDIUSBSerialDriver_v2_2_18.dmg
Running Services on the Gumstix
-
uses Linux systemd for process/service management
-
/etc/systemd/system/*.target.wants/– stores links to systemd configure files for services that are enabled -
/lib/systemd/system– stores systemd configure files for all services -
/usr/lib/systemd/scripts– stores support scripts for systemd services
-
[Unit]
Description=Benign Service Description
After=syslog.target
[Service]
Type=simple
ExecStart=/path/to/script.sh
Restart=always
[Install]
WantedBy=multi-user.target
$ sudo systemctl enable imaged.service # <--- creates symlinks to start imaged.service at bootup
# equivalent to:
# ln -sf /lib/systemd/system/imaged.service /etc/systemd/system/basic.target.wants/imaged.service
$ sudo systemctl poweroff # <--- causes system to shut down cleanly and power offGumstix Diagram Resources
- gum-pinto-PCB30011.pdf (Breakout board with single USBUniversal Serial Bus OTG port)
- gum-thumbo-PCB30021.pdf (Breakout board with USBUniversal Serial Bus device port)
- gum-thumbo-PCB30021.bot.png
- gum-janus-PCB30029.pdf (Tweener board that provides console over USBUniversal Serial Bus)
- pinto_pinout.png (easiest reference for Pinto)
Controlling GPIO from User Space
# setup
$ echo 146 > /sys/class/gpio/export
$ echo out > /sys/class/gpio/gpio146/direction
# echo to value: 1 for on, 0 for off.
$ echo 1 > /sys/class/gpio/gpio146/value LED and Thumper Tester Circuits
('jiraissues' missing)
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