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Do reset in a good way instead of a wacky way

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This commit is contained in:
Jennifer Wilcox 2021-04-25 11:17:33 -05:00
parent b3b7677f82
commit 7e45c96a65
1 changed files with 2 additions and 9 deletions
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11
rp2040-hal/src/gpio.rs
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@ -89,7 +89,6 @@ macro_rules! gpio {
use core::convert::Infallible;
use core::marker::PhantomData;
use embedded_hal::digital::v2::{InputPin, OutputPin, StatefulOutputPin};
use pac::generic::ResetValue;
use super::*;
impl GpioExt<pac::$PADSX, pac::SIO> for pac::$GPIOX {
@ -120,12 +119,6 @@ macro_rules! gpio {
)+
}
fn reset_pad(pads: &pac::$padsx::RegisterBlock, index: usize) {
let reset_value: u32 = pac::$padsx::GPIO::reset_value();
// This is safe, we get the value we're setting directly from the PAC
pads.gpio[index].write(|w| unsafe { w.bits(reset_value) });
}
fn set_gpio_function(gpios: &pac::$gpiox::RegisterBlock, index: usize, function: GpioFunction) {
gpios.gpio[index]
.gpio_ctrl
@ -152,7 +145,7 @@ macro_rules! gpio {
self,
) -> $PXi<Output> {
unsafe {
reset_pad(&*pac::$PADSX::ptr(), $i);
(*pac::$PADSX::ptr()).gpio[$i].reset();
}
unsafe {
set_gpio_function(&*pac::$GPIOX::ptr(), $i, GpioFunction::Sio);
@ -168,7 +161,7 @@ macro_rules! gpio {
self,
) -> $PXi<Input> {
unsafe {
reset_pad(&*pac::$PADSX::ptr(), $i);
(*pac::$PADSX::ptr()).gpio[$i].reset();
}
unsafe {
set_gpio_function(&*pac::$GPIOX::ptr(), $i, GpioFunction::Sio);