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This commit is contained in:
Philipp Scheff 2023-07-03 22:57:33 +02:00
parent 71afa40a69
commit af15b49bfe
2 changed files with 27 additions and 20 deletions
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31
embassy-stm32/src/can/bxcan.rs
View File

@ -1,9 +1,8 @@
use core::cell::{RefCell, RefMut};
use core::future::poll_fn; use core::future::poll_fn;
use core::marker::PhantomData; use core::marker::PhantomData;
use core::ops::{Deref, DerefMut}; use core::ops::{Deref, DerefMut};
use core::task::Poll; use core::task::Poll;
use core::cell::RefMut;
use core::cell::RefCell;
pub use bxcan; pub use bxcan;
use bxcan::{Data, ExtendedId, Frame, Id, StandardId}; use bxcan::{Data, ExtendedId, Frame, Id, StandardId};
@ -155,7 +154,11 @@ impl<'d, T: Instance> Can<'d, T> {
pub fn set_bitrate(&mut self, bitrate: u32) { pub fn set_bitrate(&mut self, bitrate: u32) {
let bit_timing = Self::calc_bxcan_timings(T::frequency(), bitrate).unwrap(); let bit_timing = Self::calc_bxcan_timings(T::frequency(), bitrate).unwrap();
self.can.borrow_mut().modify_config().set_bit_timing(bit_timing).leave_disabled(); self.can
.borrow_mut()
.modify_config()
.set_bit_timing(bit_timing)
.leave_disabled();
} }
/// Queues the message to be sent but exerts backpressure /// Queues the message to be sent but exerts backpressure
@ -432,19 +435,19 @@ impl<'d, T: Instance> Drop for Can<'d, T> {
} }
} }
// impl<'d, T: Instance> Deref for Can<'d, T> { impl<'d, T: Instance> Deref for Can<'d, T> {
// type Target = bxcan::Can<BxcanInstance<'d, T>>; type Target = RefCell<bxcan::Can<BxcanInstance<'d, T>>>;
// fn deref(&self) -> &Self::Target { fn deref(&self) -> &Self::Target {
// self.can.borrow() &self.can
// } }
// } }
// impl<'d, T: Instance> DerefMut for Can<'d, T> { impl<'d, T: Instance> DerefMut for Can<'d, T> {
// fn deref_mut(&mut self) -> &mut Self::Target { fn deref_mut(&mut self) -> &mut Self::Target {
// self.can.borrow_mut() &mut self.can
// } }
// } }
pub(crate) mod sealed { pub(crate) mod sealed {
use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex; use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;

14
examples/stm32f7/src/bin/can.rs
View File

@ -2,15 +2,17 @@
#![no_main] #![no_main]
#![feature(type_alias_impl_trait)] #![feature(type_alias_impl_trait)]
use core::borrow::BorrowMut; use core::borrow::{Borrow, BorrowMut};
use core::borrow::Borrow;
use cortex_m_rt::entry; use cortex_m_rt::entry;
use defmt::*; use defmt::*;
use embassy_executor::Spawner; use embassy_executor::Spawner;
use embassy_stm32::bind_interrupts; use embassy_stm32::bind_interrupts;
use embassy_stm32::can::bxcan::filter::Mask32; use embassy_stm32::can::bxcan::filter::Mask32;
use embassy_stm32::can::bxcan::{Fifo, Frame, StandardId, Data}; use embassy_stm32::can::bxcan::{Data, Fifo, Frame, StandardId};
use embassy_stm32::can::{Can,CanTx,CanRx, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, TxInterruptHandler}; use embassy_stm32::can::{
Can, CanRx, CanTx, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, TxInterruptHandler,
};
use embassy_stm32::gpio::{Input, Pull}; use embassy_stm32::gpio::{Input, Pull};
use embassy_stm32::peripherals::CAN3; use embassy_stm32::peripherals::CAN3;
use {defmt_rtt as _, panic_probe as _}; use {defmt_rtt as _, panic_probe as _};
@ -45,7 +47,9 @@ async fn main(spawner: Spawner) {
core::mem::forget(rx_pin); core::mem::forget(rx_pin);
let CAN: &'static mut Can<'static, CAN3> = static_cell::make_static!(Can::new(p.CAN3, p.PA8, p.PA15, Irqs)); let CAN: &'static mut Can<'static, CAN3> = static_cell::make_static!(Can::new(p.CAN3, p.PA8, p.PA15, Irqs));
CAN.as_mut().modify_filters().enable_bank(0, Fifo::Fifo0, Mask32::accept_all()); CAN.as_mut()
.modify_filters()
.enable_bank(0, Fifo::Fifo0, Mask32::accept_all());
CAN.as_mut() CAN.as_mut()
.modify_config() .modify_config()