Each core provides a different USBAPI
Nobody has claimed this yet.
Assessment
- Difficulty
- 5/5
- Estimated time
- Over a week
- Newbie friendliness
- 25/100
- Issue type
- Feature
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- cpp
- Domain
- api, embedded-iot
Research direction
Start with api/USBAPI.h and compare the implementations in the avr, samd, megaavr, and mbed core paths named in the issue, including USBCore.cpp, USBDeviceClass, and PluggableUSBModule. The issue does not define a concrete change, so first establish the intended compatibility scope; done would require an agreed common USB API across the affected cores.
Written by the indexing model from the issue text.
Description
The Arduino Core API defines a very low level USB api in api/USBAPI.h. This API is implemented by the avr core in cores/arduino/USBCore.cpp. But it is not implemented by samd core, which implements the same functionality but in its own USBDeviceClass class. The USB implementation in megaavr core (USBCore.cpp) is a copy of the avr usb implementation with some deviations. The mbed core implements its own version of the PluggableUSBModule.
As a result, each core implements its own USB API which is incompatible with the others, there exist many code duplicates and users of the USB API have to understand and adapt their code to each individual core implementation.
Are there any plans to improve this situation?
- Dominant language
- C++
- Stars
- 306
- Forks
- 150
- PR merge metrics
- No merged PRs in 30d
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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