sbl::GpioHandle Struct Reference

GPIO pin handle with port, pin number, and polarity. More...

Detailed Description

GPIO pin handle with port, pin number, and polarity.

Represents a GPIO pin as resolved from hardware manifests. Used to pass pin configuration to driver functions.

Examples:

• RP2040 GPIO25: GpioHandle{0, 25, false} - Single port MCU
• STM32 PC7: GpioHandle{2, 7, false} - Port C (2), pin 7
• Active-low LED: GpioHandle{0, 25, true} - write(true) drives LOW

Definition at line 29 of file handle.hpp.

#include <handle.hpp>

Public Member Functions
constexpr bool	effective_level (bool logical_state) const noexcept
	Get the effective physical level accounting for active_low.

Public Attributes
uint32_t	port
	GPIO port number (0 for single-port MCUs)
uint32_t	pin
	Pin number within port.
bool	active_low
	True if signal is active-low (inverted)

Member Function Documentation

effective_level()

constexpr bool sbl::GpioHandle::effective_level ( bool  logical_state ) const

inlineconstexprnoexcept

Get the effective physical level accounting for active_low.

Parameters

logical_state

Logical state (true = active/on, false = inactive/off)

Returns

Physical level to write to hardware

Definition at line 39 of file handle.hpp.

References active_low.

Member Data Documentation

port

uint32_t sbl::GpioHandle::port

GPIO port number (0 for single-port MCUs)

Definition at line 30 of file handle.hpp.

pin

uint32_t sbl::GpioHandle::pin

Pin number within port.

Definition at line 31 of file handle.hpp.

active_low

bool sbl::GpioHandle::active_low

True if signal is active-low (inverted)

Definition at line 32 of file handle.hpp.

Referenced by effective_level().

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The documentation for this struct was generated from the following file:

• src/sbl/hw/hal/gpio/handle.hpp