Decision Workspace
embassy-stm32 vs embassy-usb vs embassy-usb-synopsys-otg
Side-by-side comparison of Rust crates
65
embassy-stm32
growingv0.6.0
Embassy Hardware Abstraction Layer (HAL) for ST STM32 series microcontrollers
70
embassy-usb
growingv0.6.0
Async USB device stack for embedded devices in Rust.
70
embassy-usb-synopsys-otg
growingv0.3.2
`embassy-usb-driver` implementation for Synopsys OTG USB controllers
Core Metrics
| embassy-stm32 | embassy-usb | embassy-usb-synopsys-otg | |
|---|---|---|---|
| Health Score | 65 | 70 | 70 |
| Total Downloads | 400.3K | 639.1K | 630.9K |
| 30d Downloads | 38.9K | 63.3K | 54.3K |
| Dependents | 99 | 212 | 19 |
| Releases | 7 | 8 | 5 |
| Last Updated | 7d ago | 7d ago | 7d ago |
| Age | 4y 11m | 4y 11m | 1y 11m |
Health Breakdown
embassy-stm32
Maintenance
16
Quality
13
Community
16
Popularity
7
Documentation
13
embassy-usb
Maintenance
16
Quality
17
Community
17
Popularity
7
Documentation
13
embassy-usb-synopsys-otg
Maintenance
19
Quality
16
Community
15
Popularity
7
Documentation
13
Technical Details
| embassy-stm32 | embassy-usb | embassy-usb-synopsys-otg | |
|---|---|---|---|
| Version | 0.6.0 | 0.6.0 | 0.3.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 53 | 12 | 5 |
| Crate Size | 575KB | 62KB | 30KB |
| Features | 1576 | 20 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 2 (team) | 2 (team) | 2 (team) |
Links
Quick Verdict
- •embassy-usb leads with a health score of 70/100, but none of the options score above 80.
- •embassy-usb is depended on by 212 crates — strongest ecosystem trust.