[riot-notifications] [RIOT-OS/RIOT] saul_pwm: auto-init'able RGB LEDs and dimmers (#15106)

chrysn notifications at github.com
Wed Nov 4 11:38:56 CET 2020


I'll write an update to handle out-of-bounds (I'd conceptionally prefer
erring out, but may need to clip to avoid partial application; currently
OOB values are silently ignored).

The LD2 limitation is strage. My test sequence would be:

With `examples/saul`, enable all very dimly (you should see the individual LED spots) with

```
saul write 2 3 3 3
```

For comparison, with `tests/periph_gpio`, I can blink red with

```
init_out 0 8
clear 0 8
set 0 8
```

green with

```
init_out 1 9
clear 1 9
set 1 9
```

and blue with


```
init_out 0 12
clear 0 12
set 0 12
```

Do these work with your board?

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