rust/va108xx-rs
7
0
Fork 0
Code Issues Pull Requests Projects Releases 19 Wiki Activity

larger GPIO refactoring and Async UART update

Browse Source
This commit is contained in:
Robin Müller
2025-02-15 18:10:15 +01:00
parent 31b25b0211
commit caf54e5a70
27 changed files with 927 additions and 1172 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
va108xx-hal/src/lib.rs
View File

@ -1,6 +1,7 @@
#![no_std]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
use gpio::Port;
pub use va108xx;
pub use va108xx as pac;
@ -19,18 +20,12 @@ pub mod uart;
#[derive(Debug, Eq, Copy, Clone, PartialEq)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum FunSel {
Sel0 = 0b00,
Sel1 = 0b01,
Sel2 = 0b10,
Sel3 = 0b11,
}
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum PortSel {
PortA,
PortB,
}
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub enum PeripheralSelect {
@ -77,37 +72,33 @@ impl InterruptConfig {
pub type IrqCfg = InterruptConfig;
#[derive(Debug, PartialEq, Eq)]
#[derive(Debug, PartialEq, Eq, thiserror::Error)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct InvalidPin(pub(crate) ());
#[error("invalid pin with number {0}")]
pub struct InvalidPinError(u8);
/// Can be used to manually manipulate the function select of port pins
/// Can be used to manually manipulate the function select of port pins.
///
/// The function selection table can be found on p.36 of the programmers guide. Please note
/// that most of the structures and APIs in this library will automatically correctly configure
/// the pin or statically expect the correct pin type.
pub fn port_function_select(
ioconfig: &mut pac::Ioconfig,
port: PortSel,
port: Port,
pin: u8,
funsel: FunSel,
) -> Result<(), InvalidPin> {
match port {
PortSel::PortA => {
if pin > 31 {
return Err(InvalidPin(()));
}
ioconfig
.porta(pin as usize)
.modify(|_, w| unsafe { w.funsel().bits(funsel as u8) });
Ok(())
}
PortSel::PortB => {
if pin > 23 {
return Err(InvalidPin(()));
}
ioconfig
.portb0(pin as usize)
.modify(|_, w| unsafe { w.funsel().bits(funsel as u8) });
Ok(())
}
) -> Result<(), InvalidPinError> {
if (port == Port::A && pin >= 32) || (port == Port::B && pin >= 24) {
return Err(InvalidPinError(pin));
}
let reg_block = match port {
Port::A => ioconfig.porta(pin as usize),
Port::B => ioconfig.portb0(pin as usize),
};
reg_block.modify(|_, w| unsafe { w.funsel().bits(funsel as u8) });
Ok(())
}
/// Enable a specific interrupt using the NVIC peripheral.