---
active: true
derived: false
header: 'Switch Debouncer'
level: 1.6
normative: true
reviewed: null
links:
  - SWE-025
asil: QM
---

# SWA-006: Switch Debouncer

## Responsibility

Software debouncing of the EPB switch. Provides a stable apply /
release signal to the apply controller. Implemented in
`src/switch_debouncer.c`.

## Provided interfaces

```c
Status switch_init(void);
void   switch_step_10ms(SwitchRaw raw);
SwitchState switch_get_state(void);
```

## Mapping to requirements

| Requirement | How covered |
|-------------|-------------|
| SWE-025 | 50 ms debounce logic |