CherryUSB
uhubctl
CherryUSB | uhubctl | |
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1 | 31 | |
1,033 | 2,075 | |
3.1% | - | |
9.5 | 6.6 | |
4 days ago | 12 days ago | |
C | C | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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CherryUSB
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CherryUSB - A lightweight USB device/host stack for embedded systems, open-source permissively licensed.
Link to repo: https://github.com/sakumisu/CherryUSB
uhubctl
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I2c-USB-hub: An i2C Controllable USB 2.0 Hub
In my experience this support was rare. I had an issue a few years ago with multiple USB 3 cameras (Intel Realsense) on a mobile robot that would periodically freeze up and need to be hard-reset, and a power-controllable hub seemed like the least-bad way to hack around it. I found my way to this tool, with its convenient list of compatible hardware:
https://github.com/mvp/uhubctl
Of the USB 3 options on the list, several were EOL or impossible to find, and when I ordered one each of the remainder, there was only one I could get working, and it wasn't reliable about being able to reset a device that had frozen to the point where Linux no longer had sysfs entries for it.
We ended up instead using a hub with an internal jumper to disable bus power, and then putting the self power line through a separately-controllable relay.
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Does RPI ZERO W have a low-power mode? (eink reader project)
Best you can tweak is to disable the WiFi / Bluetooth and possibly the USB ports (edit - USB look no go https://github.com/mvp/uhubctl)
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Would a headphone to USB adapter work through a USB C hub?
There's an extremely useful feature called USB Per-Port Power Switching, that's somewhat rare because nobody knows about it. If you use a Unix-family operating system, then here's a C driver. Windows doesn't currently have this feature, but could add it in the future -- let's hope they do!
- RTL_433 fails, how to bring it back without pulling the dongle
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Kb2040 and usb hub not seeing all of my boards
https://github.com/codazoda/hub-ctrl.c or https://github.com/mvp/uhubctl can be used if the hubs have "Per-port power switching". The second link also has a long description.
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Recommendation for USB relay
If you were using a USB-powered drive and Linux/Mac/Unix, you could use uhubctl with one of the (uncommon) hubs that support Per-Port Power Switching (PPPS).
- uhubctl - USB hub per-port power control
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Customized Pi for Humidor
Actually some of the Pi boards USB ports can be controlled by Uhubctl but you have to note the restrictions on the board you are using - mainly how many you effect and the "minor" fact of the USB also controls the Ethernet and WiFi power on some boards!
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Mac Mini touchscreen issue
Agreed this is not the right sub for this, but you got me curious. Without diving too deep, check out https://github.com/mvp/uhubctl
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Alternatives to Clear-Com Call Signal Flasher?
I've also used Qlab on both ends to trigger USB led flashes via OSC using uhubctl. You'll need a usb hub for that.
What are some alternatives?
tinyusb - An open source cross-platform USB stack for embedded system
libwdi - Windows Driver Installer library for USB devices
AqaraCameraHubfw - Aqara Camera Hub G2/G2H and Aqara Hub E1 firmwares
PS5-Camera-Firmware-Loader - A cross-platform utility for loading custom firmware onto the PlayStation 5 camera, written in Rust
esp32_usb_soft_host - ESP32 software USB host through general IO pins. We can connect up to 4 USB-LS HID (keyboard mouse joystick) devices simultaneously.
RPi4 - Raspberry Pi 4 UEFI Firmware Images
hidapitester - Simple command-line program to test HIDAPI
libusb - A cross-platform library to access USB devices
kiauh - Klipper Installation And Update Helper
libimobiledevice-glue - A library with common code used by libraries and tools around the libimobiledevice project
Rufus - The Reliable USB Formatting Utility
OctoPrint-TPLinkSmartplug