Struct GpioDriver

pub struct GpioDriver<'a> {
    callbacks: [Option<Box<dyn FnMut(u32, EventType) + 'a>>; 16],
    configs: [GpioConfig; 16],
}

A GPIO driver for STM32F407

Fields

callbacks: [Option<Box<dyn FnMut(u32, EventType) + 'a>>; 16]

Callbacks for each pin (indexed by pin number)

configs: [GpioConfig; 16]

Configuration for each pin

Implementations

impl<'a> GpioDriver<'a>

pub fn new() -> Self

pub fn new_gpioa() -> Self

Create a new GPIOA driver instance

pub fn new_gpiob() -> Self

Create a new GPIOB driver instance

pub fn new_gpioc() -> Self

Create a new GPIOC driver instance

pub fn new_gpiod() -> Self

Create a new GPIOD driver instance

pub fn new_gpioe() -> Self

Create a new GPIOE driver instance

fn get_gpio_regs(port: u8) -> *mut RegisterBlock

Get GPIO register block for a given port

fn get_rcc_regs() -> *mut RegisterBlock

Get RCC register block

fn enable_gpio_clock(port: u8)

Enable GPIO port clock

fn decode_pin(pin: u32) -> (u8, u8)

Extract port and pin from Pin identifier Pin format: (port << 4) | pin_number where port: 0=GPIOA, 1=GPIOB, 2=GPIOC, 3=GPIOD, 4=GPIOE and pin_number: 0-15

fn encode_pin(port: u8, pin_num: u8) -> u32

Encode port and pin into Pin identifier

fn configure_pin(&mut self, pin: u32, config: GpioConfig) -> Result<(), i32>

Configure a GPIO pin

Trait Implementations

impl<'a> Gpio<'a> for GpioDriver<'a>

fn setup( &mut self, pin: u32, callback: impl FnMut(u32, EventType) + 'a, ) -> Result<(), i32>

Initializes a GPIO pin and registers a callback for events.

fn set_direction(&mut self, pin: u32, direction: Direction) -> Result<(), i32>

Sets the direction of a GPIO pin.

fn set_output_mode(&mut self, pin: u32, mode: OutputMode) -> Result<(), i32>

Sets the output mode of a GPIO pin.

fn set_pull_resistor( &mut self, pin: u32, resistor: PullResistor, ) -> Result<(), i32>

Sets the internal pull-up or pull-down resistor for a GPIO pin.

fn set_event_trigger( &mut self, pin: u32, trigger: EventTrigger, ) -> Result<(), i32>

Sets the event trigger for a GPIO pin.

fn set_output(&mut self, pin: u32, value: bool)

Sets the output level of a GPIO pin. value is true for high, false for low.

fn get_input(&self, pin: u32) -> bool

Gets the input level of a GPIO pin. Returns true for high, false for low.