Decision Workspace
mwatch-kernel-stm32l4 vs atsamd-hal vs stm32f4xx-hal
Side-by-side comparison of Rust crates
41
mwatch-kernel-stm32l4
growingv2.0.0
A embedded 'Smart' watch
67
atsamd-hal
growingv0.23.3
HAL and Peripheral access API for ATSAMD11, ATSAMD21, ATSAMD51, ATSAME51, ATSAME53 and ATSAME54 microcontrollers
63
stm32f4xx-hal
growingv0.23.0
Peripheral access API for STM32F4 series microcontrollers
Core Metrics
| mwatch-kernel-stm32l4 | atsamd-hal | stm32f4xx-hal | |
|---|---|---|---|
| Health Score | 41 | 67 | 63 |
| Total Downloads | 1.5K | 658.7K | 700.7K |
| 30d Downloads | 0 | 4.8K | 24.5K |
| Dependents | 0 | 472 | 332 |
| Releases | 1 | 41 | 42 |
| Last Updated | 1249d ago | 83d ago | 244d ago |
| Age | 3y 5m | 7y 2m | 7y 7m |
Health Breakdown
mwatch-kernel-stm32l4
Maintenance
1
Quality
20
Community
6
Popularity
4
Documentation
10
atsamd-hal
Maintenance
13
Quality
14
Community
18
Popularity
7
Documentation
15
stm32f4xx-hal
Maintenance
9
Quality
14
Community
18
Popularity
7
Documentation
15
Technical Details
| mwatch-kernel-stm32l4 | atsamd-hal | stm32f4xx-hal | |
|---|---|---|---|
| Version | 2.0.0 | 0.23.3 | 0.23.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | 0BSD |
| Dependencies | 21 | 51 | 65 |
| Crate Size | 21KB | 351KB | 266KB |
| Features | 7 | 51 | 103 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.85.1 | 1.62 |
| Owners | 1 | 1 (team) | 2 (team) |
Links
Quick Verdict
- •atsamd-hal leads with a health score of 67/100, but none of the options score above 80.
- •stm32f4xx-hal has the most downloads (700.7K), suggesting wider adoption.
- •atsamd-hal is depended on by 472 crates — strongest ecosystem trust.
- •⚠ mwatch-kernel-stm32l4 has not been updated in over a year.
- •atsamd-hal, stm32f4xx-hal are pre-1.0 — API may change.